diff options
102 files changed, 11978 insertions, 7569 deletions
diff --git a/Documentation/RelNotes/2.11.0.txt b/Documentation/RelNotes/2.11.0.txt new file mode 100644 index 0000000000..2be6ef1823 --- /dev/null +++ b/Documentation/RelNotes/2.11.0.txt @@ -0,0 +1,133 @@ +Git 2.11 Release Notes +====================== + +Updates since v2.10 +------------------- + +UI, Workflows & Features + + * "git format-patch --cover-letter HEAD^" to format a single patch + with a separate cover letter now numbers the output as [PATCH 0/1] + and [PATCH 1/1] by default. + + * An incoming "git push" that attempts to push too many bytes can now + be rejected by setting a new configuration variable at the receiving + end. + + * "git nosuchcommand --help" said "No manual entry for gitnosuchcommand", + which was not intuitive, given that "git nosuchcommand" said "git: + 'nosuchcommand' is not a git command". + + * "git clone --resurse-submodules --reference $path $URL" is a way to + reduce network transfer cost by borrowing objects in an existing + $path repository when cloning the superproject from $URL; it + learned to also peek into $path for presense of corresponding + repositories of submodules and borrow objects from there when able. + + * The "git diff --submodule={short,log}" mechanism has been enhanced + to allow "--submodule=diff" to show the patch between the submodule + commits bound to the superproject. + + +Performance, Internal Implementation, Development Support etc. + + * The delta-base-cache mechanism has been a key to the performance in + a repository with a tightly packed packfile, but it did not scale + well even with a larger value of core.deltaBaseCacheLimit. + + * Enhance "git status --porcelain" output by collecting more data on + the state of the index and the working tree files, which may + further be used to teach git-prompt (in contrib/) to make fewer + calls to git. + + * Extract a small helper out of the function that reads the authors + script file "git am" internally uses. + (merge a77598e jc/am-read-author-file later to maint). + + * Lifts calls to exit(2) and die() higher in the callchain in + sequencer.c files so that more helper functions in it can be used + by callers that want to handle error conditions themselves. + + * "git am" has been taught to make an internal call to "git apply"'s + innards without spawning the latter as a separate process. + + * The ref-store abstraction was introduced to the refs API so that we + can plug in different backends to store references. + + * The "unsigned char sha1[20]" to "struct object_id" conversion + continues. Notable changes in this round includes that ce->sha1, + i.e. the object name recorded in the cache_entry, turns into an + object_id. + + +Also contains various documentation updates and code clean-ups. + + +Fixes since v2.10 +----------------- + +Unless otherwise noted, all the fixes since v2.9 in the maintenance +track are contained in this release (see the maintenance releases' +notes for details). + + * Clarify various ways to specify the "revision ranges" in the + documentation. + (merge a117be4 po/range-doc later to maint). + + * "diff-highlight" script (in contrib/) learned to work better with + "git log -p --graph" output. + (merge 3dbfe2b bh/diff-highlight-graph later to maint). + + * The test framework left the number of tests and success/failure + count in the t/test-results directory, keyed by the name of the + test script plus the process ID. The latter however turned out not + to serve any useful purpose. The process ID part of the filename + has been removed. + (merge 5c885c1 jk/test-lib-drop-pid-from-results later to maint). + + * Having a submodule whose ".git" repository is somehow corrupt + caused a few commands that recurse into submodules loop forever. + (merge 10f5c52 jc/submodule-anchor-git-dir later to maint). + + * "git symbolic-ref -d HEAD" happily removes the symbolic ref, but + the resulting repository becomes an invalid one. Teach the command + to forbid removal of HEAD. + (merge 12cfa79 jc/forbid-symbolic-ref-d-HEAD later to maint). + + * A test spawned a short-lived background process, which sometimes + prevented the test directory from getting removed at the end of the + script on some platforms. + (merge 5babb5b js/t6026-clean-up later to maint). + + * Update a few tests that used to use GIT_CURL_VERBOSE to use the + newer GIT_TRACE_CURL. + (merge 14e2411 ep/use-git-trace-curl-in-tests later to maint). + + * "git pack-objects --include-tag" was taught that when we know that + we are sending an object C, we want a tag B that directly points at + C but also a tag A that points at the tag B. We used to miss the + intermediate tag B in some cases. + (merge b773dde jk/pack-tag-of-tag later to maint). + + * Update Japanese translation for "git-gui". + (merge 02748bc sy/git-gui-i18n-ja later to maint). + + * "git fetch http::/site/path" did not die correctly and segfaulted + instead. + (merge d63ed6e jk/fix-remote-curl-url-wo-proto later to maint). + + * "git commit-tree" stopped reading commit.gpgsign configuration + variable that was meant for Porcelain "git commit" in Git 2.9; we + forgot to update "git gui" to look at the configuration to match + this change. + (merge f14a310 js/git-gui-commit-gpgsign later to maint). + + * Other minor doc, test and build updates and code cleanups. + (merge 3e1952e jk/squelch-false-warning-from-gcc-o3 later to maint). + (merge ca2baa3 rs/compat-strdup later to maint). + (merge d233097 rs/hex2chr later to maint). + (merge c00bfc9 js/t9903-chaining later to maint). + (merge 5e4e5bb sb/xdiff-remove-unused-static-decl later to maint). + (merge 5cb5fe4 sb/transport-report-missing-submodule-on-stderr later to maint). + (merge a1c8044 ah/misc-message-fixes later to maint). + (merge ca9b37e sb/diff-cleanup later to maint). diff --git a/Documentation/config.txt b/Documentation/config.txt index 0bcb6790d6..32f065ca6a 100644 --- a/Documentation/config.txt +++ b/Documentation/config.txt @@ -2517,6 +2517,12 @@ receive.unpackLimit:: especially on slow filesystems. If not set, the value of `transfer.unpackLimit` is used instead. +receive.maxInputSize:: + If the size of the incoming pack stream is larger than this + limit, then git-receive-pack will error out, instead of + accepting the pack file. If not set or set to 0, then the size + is unlimited. + receive.denyDeletes:: If set to true, git-receive-pack will deny a ref update that deletes the ref. Use this to prevent such a ref deletion via a push. @@ -2847,6 +2853,18 @@ submodule.fetchJobs:: in parallel. A value of 0 will give some reasonable default. If unset, it defaults to 1. +submodule.alternateLocation:: + Specifies how the submodules obtain alternates when submodules are + cloned. Possible values are `no`, `superproject`. + By default `no` is assumed, which doesn't add references. When the + value is set to `superproject` the submodule to be cloned computes + its alternates location relative to the superprojects alternate. + +submodule.alternateErrorStrategy + Specifies how to treat errors with the alternates for a submodule + as computed via `submodule.alternateLocation`. Possible values are + `ignore`, `info`, `die`. Default is `die`. + tag.forceSignAnnotated:: A boolean to specify whether annotated tags created should be GPG signed. If `--annotate` is specified on the command line, it takes diff --git a/Documentation/diff-config.txt b/Documentation/diff-config.txt index d5a5b17d50..0eded24034 100644 --- a/Documentation/diff-config.txt +++ b/Documentation/diff-config.txt @@ -122,10 +122,11 @@ diff.suppressBlankEmpty:: diff.submodule:: Specify the format in which differences in submodules are - shown. The "log" format lists the commits in the range like - linkgit:git-submodule[1] `summary` does. The "short" format - format just shows the names of the commits at the beginning - and end of the range. Defaults to short. + shown. The "short" format just shows the names of the commits + at the beginning and end of the range. The "log" format lists + the commits in the range like linkgit:git-submodule[1] `summary` + does. The "diff" format shows an inline diff of the changed + contents of the submodule. Defaults to "short". diff.wordRegex:: A POSIX Extended Regular Expression used to determine what is a "word" diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt index 705a873942..7805a0ccad 100644 --- a/Documentation/diff-options.txt +++ b/Documentation/diff-options.txt @@ -210,13 +210,16 @@ any of those replacements occurred. of the `--diff-filter` option on what the status letters mean. --submodule[=<format>]:: - Specify how differences in submodules are shown. When `--submodule` - or `--submodule=log` is given, the 'log' format is used. This format lists - the commits in the range like linkgit:git-submodule[1] `summary` does. - Omitting the `--submodule` option or specifying `--submodule=short`, - uses the 'short' format. This format just shows the names of the commits - at the beginning and end of the range. Can be tweaked via the - `diff.submodule` configuration variable. + Specify how differences in submodules are shown. When specifying + `--submodule=short` the 'short' format is used. This format just + shows the names of the commits at the beginning and end of the range. + When `--submodule` or `--submodule=log` is specified, the 'log' + format is used. This format lists the commits in the range like + linkgit:git-submodule[1] `summary` does. When `--submodule=diff` + is specified, the 'diff' format is used. This format shows an + inline diff of the changes in the submodule contents between the + commit range. Defaults to `diff.submodule` or the 'short' format + if the config option is unset. --color[=<when>]:: Show colored diff. @@ -569,5 +572,8 @@ endif::git-format-patch[] --no-prefix:: Do not show any source or destination prefix. +--line-prefix=<prefix>:: + Prepend an additional prefix to every line of output. + For more detailed explanation on these common options, see also linkgit:gitdiffcore[7]. diff --git a/Documentation/git-clone.txt b/Documentation/git-clone.txt index ec41d3d698..e316c4bd51 100644 --- a/Documentation/git-clone.txt +++ b/Documentation/git-clone.txt @@ -90,13 +90,16 @@ If you want to break the dependency of a repository cloned with `-s` on its source repository, you can simply run `git repack -a` to copy all objects from the source repository into a pack in the cloned repository. ---reference <repository>:: +--reference[-if-able] <repository>:: If the reference repository is on the local machine, automatically setup `.git/objects/info/alternates` to obtain objects from the reference repository. Using an already existing repository as an alternate will require fewer objects to be copied from the repository being cloned, reducing network and local storage costs. + When using the `--reference-if-able`, a non existing + directory is skipped with a warning instead of aborting + the clone. + *NOTE*: see the NOTE for the `--shared` option, and also the `--dissociate` option. diff --git a/Documentation/git-index-pack.txt b/Documentation/git-index-pack.txt index 7a4e055520..1b4b65d665 100644 --- a/Documentation/git-index-pack.txt +++ b/Documentation/git-index-pack.txt @@ -87,6 +87,8 @@ OPTIONS Specifying 0 will cause Git to auto-detect the number of CPU's and use maximum 3 threads. +--max-input-size=<size>:: + Die, if the pack is larger than <size>. Note ---- diff --git a/Documentation/git-receive-pack.txt b/Documentation/git-receive-pack.txt index 000ee8dba2..0ccd5fbc78 100644 --- a/Documentation/git-receive-pack.txt +++ b/Documentation/git-receive-pack.txt @@ -33,6 +33,9 @@ post-update hooks found in the Documentation/howto directory. option, which tells it if updates to a ref should be denied if they are not fast-forwards. +A number of other receive.* config options are available to tweak +its behavior, see linkgit:git-config[1]. + OPTIONS ------- <directory>:: diff --git a/Documentation/git-status.txt b/Documentation/git-status.txt index e1e8f57cdd..725065ef2d 100644 --- a/Documentation/git-status.txt +++ b/Documentation/git-status.txt @@ -32,11 +32,14 @@ OPTIONS --branch:: Show the branch and tracking info even in short-format. ---porcelain:: +--porcelain[=<version>]:: Give the output in an easy-to-parse format for scripts. This is similar to the short output, but will remain stable across Git versions and regardless of user configuration. See below for details. ++ +The version parameter is used to specify the format version. +This is optional and defaults to the original version 'v1' format. --long:: Give the output in the long-format. This is the default. @@ -96,7 +99,7 @@ configuration variable documented in linkgit:git-config[1]. -z:: Terminate entries with NUL, instead of LF. This implies - the `--porcelain` output format if no other format is given. + the `--porcelain=v1` output format if no other format is given. --column[=<options>]:: --no-column:: @@ -180,12 +183,12 @@ in which case `XY` are `!!`. If -b is used the short-format status is preceded by a line -## branchname tracking info + ## branchname tracking info -Porcelain Format -~~~~~~~~~~~~~~~~ +Porcelain Format Version 1 +~~~~~~~~~~~~~~~~~~~~~~~~~~ -The porcelain format is similar to the short format, but is guaranteed +Version 1 porcelain format is similar to the short format, but is guaranteed not to change in a backwards-incompatible way between Git versions or based on user configuration. This makes it ideal for parsing by scripts. The description of the short format above also describes the porcelain @@ -207,6 +210,124 @@ field from the first filename). Third, filenames containing special characters are not specially formatted; no quoting or backslash-escaping is performed. +Porcelain Format Version 2 +~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Version 2 format adds more detailed information about the state of +the worktree and changed items. Version 2 also defines an extensible +set of easy to parse optional headers. + +Header lines start with "#" and are added in response to specific +command line arguments. Parsers should ignore headers they +don't recognize. + +### Branch Headers + +If `--branch` is given, a series of header lines are printed with +information about the current branch. + + Line Notes + ------------------------------------------------------------ + # branch.oid <commit> | (initial) Current commit. + # branch.head <branch> | (detached) Current branch. + # branch.upstream <upstream_branch> If upstream is set. + # branch.ab +<ahead> -<behind> If upstream is set and + the commit is present. + ------------------------------------------------------------ + +### Changed Tracked Entries + +Following the headers, a series of lines are printed for tracked +entries. One of three different line formats may be used to describe +an entry depending on the type of change. Tracked entries are printed +in an undefined order; parsers should allow for a mixture of the 3 +line types in any order. + +Ordinary changed entries have the following format: + + 1 <XY> <sub> <mH> <mI> <mW> <hH> <hI> <path> + +Renamed or copied entries have the following format: + + 2 <XY> <sub> <mH> <mI> <mW> <hH> <hI> <X><score> <path><sep><origPath> + + Field Meaning + -------------------------------------------------------- + <XY> A 2 character field containing the staged and + unstaged XY values described in the short format, + with unchanged indicated by a "." rather than + a space. + <sub> A 4 character field describing the submodule state. + "N..." when the entry is not a submodule. + "S<c><m><u>" when the entry is a submodule. + <c> is "C" if the commit changed; otherwise ".". + <m> is "M" if it has tracked changes; otherwise ".". + <u> is "U" if there are untracked changes; otherwise ".". + <mH> The octal file mode in HEAD. + <mI> The octal file mode in the index. + <mW> The octal file mode in the worktree. + <hH> The object name in HEAD. + <hI> The object name in the index. + <X><score> The rename or copy score (denoting the percentage + of similarity between the source and target of the + move or copy). For example "R100" or "C75". + <path> The pathname. In a renamed/copied entry, this + is the path in the index and in the working tree. + <sep> When the `-z` option is used, the 2 pathnames are separated + with a NUL (ASCII 0x00) byte; otherwise, a tab (ASCII 0x09) + byte separates them. + <origPath> The pathname in the commit at HEAD. This is only + present in a renamed/copied entry, and tells + where the renamed/copied contents came from. + -------------------------------------------------------- + +Unmerged entries have the following format; the first character is +a "u" to distinguish from ordinary changed entries. + + u <xy> <sub> <m1> <m2> <m3> <mW> <h1> <h2> <h3> <path> + + Field Meaning + -------------------------------------------------------- + <XY> A 2 character field describing the conflict type + as described in the short format. + <sub> A 4 character field describing the submodule state + as described above. + <m1> The octal file mode in stage 1. + <m2> The octal file mode in stage 2. + <m3> The octal file mode in stage 3. + <mW> The octal file mode in the worktree. + <h1> The object name in stage 1. + <h2> The object name in stage 2. + <h3> The object name in stage 3. + <path> The pathname. + -------------------------------------------------------- + +### Other Items + +Following the tracked entries (and if requested), a series of +lines will be printed for untracked and then ignored items +found in the worktree. + +Untracked items have the following format: + + ? <path> + +Ignored items have the following format: + + ! <path> + +### Pathname Format Notes and -z + +When the `-z` option is given, pathnames are printed as is and +without any quoting and lines are terminated with a NUL (ASCII 0x00) +byte. + +Otherwise, all pathnames will be "C-quoted" if they contain any tab, +linefeed, double quote, or backslash characters. In C-quoting, these +characters will be replaced with the corresponding C-style escape +sequences and the resulting pathname will be double quoted. + + CONFIGURATION ------------- diff --git a/Documentation/git-unpack-objects.txt b/Documentation/git-unpack-objects.txt index 3e887d1610..b3de50d710 100644 --- a/Documentation/git-unpack-objects.txt +++ b/Documentation/git-unpack-objects.txt @@ -44,6 +44,9 @@ OPTIONS --strict:: Don't write objects with broken content or links. +--max-input-size=<size>:: + Die, if the pack is larger than <size>. + GIT --- Part of the linkgit:git[1] suite diff --git a/GIT-VERSION-GEN b/GIT-VERSION-GEN index 6754ab076e..55e88b02d4 100755 --- a/GIT-VERSION-GEN +++ b/GIT-VERSION-GEN @@ -1,7 +1,7 @@ #!/bin/sh GVF=GIT-VERSION-FILE -DEF_VER=v2.10.0 +DEF_VER=v2.10.0.GIT LF=' ' @@ -696,6 +696,7 @@ LIB_OBJS += abspath.o LIB_OBJS += advice.o LIB_OBJS += alias.o LIB_OBJS += alloc.o +LIB_OBJS += apply.o LIB_OBJS += archive.o LIB_OBJS += archive-tar.o LIB_OBJS += archive-zip.o @@ -1 +1 @@ -Documentation/RelNotes/2.10.1.txt
\ No newline at end of file +Documentation/RelNotes/2.11.0.txt
\ No newline at end of file diff --git a/apply.c b/apply.c new file mode 100644 index 0000000000..e32702153c --- /dev/null +++ b/apply.c @@ -0,0 +1,4988 @@ +/* + * apply.c + * + * Copyright (C) Linus Torvalds, 2005 + * + * This applies patches on top of some (arbitrary) version of the SCM. + * + */ + +#include "cache.h" +#include "blob.h" +#include "delta.h" +#include "diff.h" +#include "dir.h" +#include "xdiff-interface.h" +#include "ll-merge.h" +#include "lockfile.h" +#include "parse-options.h" +#include "quote.h" +#include "rerere.h" +#include "apply.h" + +static void git_apply_config(void) +{ + git_config_get_string_const("apply.whitespace", &apply_default_whitespace); + git_config_get_string_const("apply.ignorewhitespace", &apply_default_ignorewhitespace); + git_config(git_default_config, NULL); +} + +static int parse_whitespace_option(struct apply_state *state, const char *option) +{ + if (!option) { + state->ws_error_action = warn_on_ws_error; + return 0; + } + if (!strcmp(option, "warn")) { + state->ws_error_action = warn_on_ws_error; + return 0; + } + if (!strcmp(option, "nowarn")) { + state->ws_error_action = nowarn_ws_error; + return 0; + } + if (!strcmp(option, "error")) { + state->ws_error_action = die_on_ws_error; + return 0; + } + if (!strcmp(option, "error-all")) { + state->ws_error_action = die_on_ws_error; + state->squelch_whitespace_errors = 0; + return 0; + } + if (!strcmp(option, "strip") || !strcmp(option, "fix")) { + state->ws_error_action = correct_ws_error; + return 0; + } + return error(_("unrecognized whitespace option '%s'"), option); +} + +static int parse_ignorewhitespace_option(struct apply_state *state, + const char *option) +{ + if (!option || !strcmp(option, "no") || + !strcmp(option, "false") || !strcmp(option, "never") || + !strcmp(option, "none")) { + state->ws_ignore_action = ignore_ws_none; + return 0; + } + if (!strcmp(option, "change")) { + state->ws_ignore_action = ignore_ws_change; + return 0; + } + return error(_("unrecognized whitespace ignore option '%s'"), option); +} + +int init_apply_state(struct apply_state *state, + const char *prefix, + struct lock_file *lock_file) +{ + memset(state, 0, sizeof(*state)); + state->prefix = prefix; + state->prefix_length = state->prefix ? strlen(state->prefix) : 0; + state->lock_file = lock_file; + state->newfd = -1; + state->apply = 1; + state->line_termination = '\n'; + state->p_value = 1; + state->p_context = UINT_MAX; + state->squelch_whitespace_errors = 5; + state->ws_error_action = warn_on_ws_error; + state->ws_ignore_action = ignore_ws_none; + state->linenr = 1; + string_list_init(&state->fn_table, 0); + string_list_init(&state->limit_by_name, 0); + string_list_init(&state->symlink_changes, 0); + strbuf_init(&state->root, 0); + + git_apply_config(); + if (apply_default_whitespace && parse_whitespace_option(state, apply_default_whitespace)) + return -1; + if (apply_default_ignorewhitespace && parse_ignorewhitespace_option(state, apply_default_ignorewhitespace)) + return -1; + return 0; +} + +void clear_apply_state(struct apply_state *state) +{ + string_list_clear(&state->limit_by_name, 0); + string_list_clear(&state->symlink_changes, 0); + strbuf_release(&state->root); + + /* &state->fn_table is cleared at the end of apply_patch() */ +} + +static void mute_routine(const char *msg, va_list params) +{ + /* do nothing */ +} + +int check_apply_state(struct apply_state *state, int force_apply) +{ + int is_not_gitdir = !startup_info->have_repository; + + if (state->apply_with_reject && state->threeway) + return error("--reject and --3way cannot be used together."); + if (state->cached && state->threeway) + return error("--cached and --3way cannot be used together."); + if (state->threeway) { + if (is_not_gitdir) + return error(_("--3way outside a repository")); + state->check_index = 1; + } + if (state->apply_with_reject) { + state->apply = 1; + if (state->apply_verbosity == verbosity_normal) + state->apply_verbosity = verbosity_verbose; + } + if (!force_apply && (state->diffstat || state->numstat || state->summary || state->check || state->fake_ancestor)) + state->apply = 0; + if (state->check_index && is_not_gitdir) + return error(_("--index outside a repository")); + if (state->cached) { + if (is_not_gitdir) + return error(_("--cached outside a repository")); + state->check_index = 1; + } + if (state->check_index) + state->unsafe_paths = 0; + if (!state->lock_file) + return error("BUG: state->lock_file should not be NULL"); + + if (state->apply_verbosity <= verbosity_silent) { + state->saved_error_routine = get_error_routine(); + state->saved_warn_routine = get_warn_routine(); + set_error_routine(mute_routine); + set_warn_routine(mute_routine); + } + + return 0; +} + +static void set_default_whitespace_mode(struct apply_state *state) +{ + if (!state->whitespace_option && !apply_default_whitespace) + state->ws_error_action = (state->apply ? warn_on_ws_error : nowarn_ws_error); +} + +/* + * This represents one "hunk" from a patch, starting with + * "@@ -oldpos,oldlines +newpos,newlines @@" marker. The + * patch text is pointed at by patch, and its byte length + * is stored in size. leading and trailing are the number + * of context lines. + */ +struct fragment { + unsigned long leading, trailing; + unsigned long oldpos, oldlines; + unsigned long newpos, newlines; + /* + * 'patch' is usually borrowed from buf in apply_patch(), + * but some codepaths store an allocated buffer. + */ + const char *patch; + unsigned free_patch:1, + rejected:1; + int size; + int linenr; + struct fragment *next; +}; + +/* + * When dealing with a binary patch, we reuse "leading" field + * to store the type of the binary hunk, either deflated "delta" + * or deflated "literal". + */ +#define binary_patch_method leading +#define BINARY_DELTA_DEFLATED 1 +#define BINARY_LITERAL_DEFLATED 2 + +/* + * This represents a "patch" to a file, both metainfo changes + * such as creation/deletion, filemode and content changes represented + * as a series of fragments. + */ +struct patch { + char *new_name, *old_name, *def_name; + unsigned int old_mode, new_mode; + int is_new, is_delete; /* -1 = unknown, 0 = false, 1 = true */ + int rejected; + unsigned ws_rule; + int lines_added, lines_deleted; + int score; + unsigned int is_toplevel_relative:1; + unsigned int inaccurate_eof:1; + unsigned int is_binary:1; + unsigned int is_copy:1; + unsigned int is_rename:1; + unsigned int recount:1; + unsigned int conflicted_threeway:1; + unsigned int direct_to_threeway:1; + struct fragment *fragments; + char *result; + size_t resultsize; + char old_sha1_prefix[41]; + char new_sha1_prefix[41]; + struct patch *next; + + /* three-way fallback result */ + struct object_id threeway_stage[3]; +}; + +static void free_fragment_list(struct fragment *list) +{ + while (list) { + struct fragment *next = list->next; + if (list->free_patch) + free((char *)list->patch); + free(list); + list = next; + } +} + +static void free_patch(struct patch *patch) +{ + free_fragment_list(patch->fragments); + free(patch->def_name); + free(patch->old_name); + free(patch->new_name); + free(patch->result); + free(patch); +} + +static void free_patch_list(struct patch *list) +{ + while (list) { + struct patch *next = list->next; + free_patch(list); + list = next; + } +} + +/* + * A line in a file, len-bytes long (includes the terminating LF, + * except for an incomplete line at the end if the file ends with + * one), and its contents hashes to 'hash'. + */ +struct line { + size_t len; + unsigned hash : 24; + unsigned flag : 8; +#define LINE_COMMON 1 +#define LINE_PATCHED 2 +}; + +/* + * This represents a "file", which is an array of "lines". + */ +struct image { + char *buf; + size_t len; + size_t nr; + size_t alloc; + struct line *line_allocated; + struct line *line; +}; + +static uint32_t hash_line(const char *cp, size_t len) +{ + size_t i; + uint32_t h; + for (i = 0, h = 0; i < len; i++) { + if (!isspace(cp[i])) { + h = h * 3 + (cp[i] & 0xff); + } + } + return h; +} + +/* + * Compare lines s1 of length n1 and s2 of length n2, ignoring + * whitespace difference. Returns 1 if they match, 0 otherwise + */ +static int fuzzy_matchlines(const char *s1, size_t n1, + const char *s2, size_t n2) +{ + const char *last1 = s1 + n1 - 1; + const char *last2 = s2 + n2 - 1; + int result = 0; + + /* ignore line endings */ + while ((*last1 == '\r') || (*last1 == '\n')) + last1--; + while ((*last2 == '\r') || (*last2 == '\n')) + last2--; + + /* skip leading whitespaces, if both begin with whitespace */ + if (s1 <= last1 && s2 <= last2 && isspace(*s1) && isspace(*s2)) { + while (isspace(*s1) && (s1 <= last1)) + s1++; + while (isspace(*s2) && (s2 <= last2)) + s2++; + } + /* early return if both lines are empty */ + if ((s1 > last1) && (s2 > last2)) + return 1; + while (!result) { + result = *s1++ - *s2++; + /* + * Skip whitespace inside. We check for whitespace on + * both buffers because we don't want "a b" to match + * "ab" + */ + if (isspace(*s1) && isspace(*s2)) { + while (isspace(*s1) && s1 <= last1) + s1++; + while (isspace(*s2) && s2 <= last2) + s2++; + } + /* + * If we reached the end on one side only, + * lines don't match + */ + if ( + ((s2 > last2) && (s1 <= last1)) || + ((s1 > last1) && (s2 <= last2))) + return 0; + if ((s1 > last1) && (s2 > last2)) + break; + } + + return !result; +} + +static void add_line_info(struct image *img, const char *bol, size_t len, unsigned flag) +{ + ALLOC_GROW(img->line_allocated, img->nr + 1, img->alloc); + img->line_allocated[img->nr].len = len; + img->line_allocated[img->nr].hash = hash_line(bol, len); + img->line_allocated[img->nr].flag = flag; + img->nr++; +} + +/* + * "buf" has the file contents to be patched (read from various sources). + * attach it to "image" and add line-based index to it. + * "image" now owns the "buf". + */ +static void prepare_image(struct image *image, char *buf, size_t len, + int prepare_linetable) +{ + const char *cp, *ep; + + memset(image, 0, sizeof(*image)); + image->buf = buf; + image->len = len; + + if (!prepare_linetable) + return; + + ep = image->buf + image->len; + cp = image->buf; + while (cp < ep) { + const char *next; + for (next = cp; next < ep && *next != '\n'; next++) + ; + if (next < ep) + next++; + add_line_info(image, cp, next - cp, 0); + cp = next; + } + image->line = image->line_allocated; +} + +static void clear_image(struct image *image) +{ + free(image->buf); + free(image->line_allocated); + memset(image, 0, sizeof(*image)); +} + +/* fmt must contain _one_ %s and no other substitution */ +static void say_patch_name(FILE *output, const char *fmt, struct patch *patch) +{ + struct strbuf sb = STRBUF_INIT; + + if (patch->old_name && patch->new_name && + strcmp(patch->old_name, patch->new_name)) { + quote_c_style(patch->old_name, &sb, NULL, 0); + strbuf_addstr(&sb, " => "); + quote_c_style(patch->new_name, &sb, NULL, 0); + } else { + const char *n = patch->new_name; + if (!n) + n = patch->old_name; + quote_c_style(n, &sb, NULL, 0); + } + fprintf(output, fmt, sb.buf); + fputc('\n', output); + strbuf_release(&sb); +} + +#define SLOP (16) + +static int read_patch_file(struct strbuf *sb, int fd) +{ + if (strbuf_read(sb, fd, 0) < 0) + return error_errno("git apply: failed to read"); + + /* + * Make sure that we have some slop in the buffer + * so that we can do speculative "memcmp" etc, and + * see to it that it is NUL-filled. + */ + strbuf_grow(sb, SLOP); + memset(sb->buf + sb->len, 0, SLOP); + return 0; +} + +static unsigned long linelen(const char *buffer, unsigned long size) +{ + unsigned long len = 0; + while (size--) { + len++; + if (*buffer++ == '\n') + break; + } + return len; +} + +static int is_dev_null(const char *str) +{ + return skip_prefix(str, "/dev/null", &str) && isspace(*str); +} + +#define TERM_SPACE 1 +#define TERM_TAB 2 + +static int name_terminate(int c, int terminate) +{ + if (c == ' ' && !(terminate & TERM_SPACE)) + return 0; + if (c == '\t' && !(terminate & TERM_TAB)) + return 0; + + return 1; +} + +/* remove double slashes to make --index work with such filenames */ +static char *squash_slash(char *name) +{ + int i = 0, j = 0; + + if (!name) + return NULL; + + while (name[i]) { + if ((name[j++] = name[i++]) == '/') + while (name[i] == '/') + i++; + } + name[j] = '\0'; + return name; +} + +static char *find_name_gnu(struct apply_state *state, + const char *line, + const char *def, + int p_value) +{ + struct strbuf name = STRBUF_INIT; + char *cp; + + /* + * Proposed "new-style" GNU patch/diff format; see + * http://marc.info/?l=git&m=112927316408690&w=2 + */ + if (unquote_c_style(&name, line, NULL)) { + strbuf_release(&name); + return NULL; + } + + for (cp = name.buf; p_value; p_value--) { + cp = strchr(cp, '/'); + if (!cp) { + strbuf_release(&name); + return NULL; + } + cp++; + } + + strbuf_remove(&name, 0, cp - name.buf); + if (state->root.len) + strbuf_insert(&name, 0, state->root.buf, state->root.len); + return squash_slash(strbuf_detach(&name, NULL)); +} + +static size_t sane_tz_len(const char *line, size_t len) +{ + const char *tz, *p; + + if (len < strlen(" +0500") || line[len-strlen(" +0500")] != ' ') + return 0; + tz = line + len - strlen(" +0500"); + + if (tz[1] != '+' && tz[1] != '-') + return 0; + + for (p = tz + 2; p != line + len; p++) + if (!isdigit(*p)) + return 0; + + return line + len - tz; +} + +static size_t tz_with_colon_len(const char *line, size_t len) +{ + const char *tz, *p; + + if (len < strlen(" +08:00") || line[len - strlen(":00")] != ':') + return 0; + tz = line + len - strlen(" +08:00"); + + if (tz[0] != ' ' || (tz[1] != '+' && tz[1] != '-')) + return 0; + p = tz + 2; + if (!isdigit(*p++) || !isdigit(*p++) || *p++ != ':' || + !isdigit(*p++) || !isdigit(*p++)) + return 0; + + return line + len - tz; +} + +static size_t date_len(const char *line, size_t len) +{ + const char *date, *p; + + if (len < strlen("72-02-05") || line[len-strlen("-05")] != '-') + return 0; + p = date = line + len - strlen("72-02-05"); + + if (!isdigit(*p++) || !isdigit(*p++) || *p++ != '-' || + !isdigit(*p++) || !isdigit(*p++) || *p++ != '-' || + !isdigit(*p++) || !isdigit(*p++)) /* Not a date. */ + return 0; + + if (date - line >= strlen("19") && + isdigit(date[-1]) && isdigit(date[-2])) /* 4-digit year */ + date -= strlen("19"); + + return line + len - date; +} + +static size_t short_time_len(const char *line, size_t len) +{ + const char *time, *p; + + if (len < strlen(" 07:01:32") || line[len-strlen(":32")] != ':') + return 0; + p = time = line + len - strlen(" 07:01:32"); + + /* Permit 1-digit hours? */ + if (*p++ != ' ' || + !isdigit(*p++) || !isdigit(*p++) || *p++ != ':' || + !isdigit(*p++) || !isdigit(*p++) || *p++ != ':' || + !isdigit(*p++) || !isdigit(*p++)) /* Not a time. */ + return 0; + + return line + len - time; +} + +static size_t fractional_time_len(const char *line, size_t len) +{ + const char *p; + size_t n; + + /* Expected format: 19:41:17.620000023 */ + if (!len || !isdigit(line[len - 1])) + return 0; + p = line + len - 1; + + /* Fractional seconds. */ + while (p > line && isdigit(*p)) + p--; + if (*p != '.') + return 0; + + /* Hours, minutes, and whole seconds. */ + n = short_time_len(line, p - line); + if (!n) + return 0; + + return line + len - p + n; +} + +static size_t trailing_spaces_len(const char *line, size_t len) +{ + const char *p; + + /* Expected format: ' ' x (1 or more) */ + if (!len || line[len - 1] != ' ') + return 0; + + p = line + len; + while (p != line) { + p--; + if (*p != ' ') + return line + len - (p + 1); + } + + /* All spaces! */ + return len; +} + +static size_t diff_timestamp_len(const char *line, size_t len) +{ + const char *end = line + len; + size_t n; + + /* + * Posix: 2010-07-05 19:41:17 + * GNU: 2010-07-05 19:41:17.620000023 -0500 + */ + + if (!isdigit(end[-1])) + return 0; + + n = sane_tz_len(line, end - line); + if (!n) + n = tz_with_colon_len(line, end - line); + end -= n; + + n = short_time_len(line, end - line); + if (!n) + n = fractional_time_len(line, end - line); + end -= n; + + n = date_len(line, end - line); + if (!n) /* No date. Too bad. */ + return 0; + end -= n; + + if (end == line) /* No space before date. */ + return 0; + if (end[-1] == '\t') { /* Success! */ + end--; + return line + len - end; + } + if (end[-1] != ' ') /* No space before date. */ + return 0; + + /* Whitespace damage. */ + end -= trailing_spaces_len(line, end - line); + return line + len - end; +} + +static char *find_name_common(struct apply_state *state, + const char *line, + const char *def, + int p_value, + const char *end, + int terminate) +{ + int len; + const char *start = NULL; + + if (p_value == 0) + start = line; + while (line != end) { + char c = *line; + + if (!end && isspace(c)) { + if (c == '\n') + break; + if (name_terminate(c, terminate)) + break; + } + line++; + if (c == '/' && !--p_value) + start = line; + } + if (!start) + return squash_slash(xstrdup_or_null(def)); + len = line - start; + if (!len) + return squash_slash(xstrdup_or_null(def)); + + /* + * Generally we prefer the shorter name, especially + * if the other one is just a variation of that with + * something else tacked on to the end (ie "file.orig" + * or "file~"). + */ + if (def) { + int deflen = strlen(def); + if (deflen < len && !strncmp(start, def, deflen)) + return squash_slash(xstrdup(def)); + } + + if (state->root.len) { + char *ret = xstrfmt("%s%.*s", state->root.buf, len, start); + return squash_slash(ret); + } + + return squash_slash(xmemdupz(start, len)); +} + +static char *find_name(struct apply_state *state, + const char *line, + char *def, + int p_value, + int terminate) +{ + if (*line == '"') { + char *name = find_name_gnu(state, line, def, p_value); + if (name) + return name; + } + + return find_name_common(state, line, def, p_value, NULL, terminate); +} + +static char *find_name_traditional(struct apply_state *state, + const char *line, + char *def, + int p_value) +{ + size_t len; + size_t date_len; + + if (*line == '"') { + char *name = find_name_gnu(state, line, def, p_value); + if (name) + return name; + } + + len = strchrnul(line, '\n') - line; + date_len = diff_timestamp_len(line, len); + if (!date_len) + return find_name_common(state, line, def, p_value, NULL, TERM_TAB); + len -= date_len; + + return find_name_common(state, line, def, p_value, line + len, 0); +} + +static int count_slashes(const char *cp) +{ + int cnt = 0; + char ch; + + while ((ch = *cp++)) + if (ch == '/') + cnt++; + return cnt; +} + +/* + * Given the string after "--- " or "+++ ", guess the appropriate + * p_value for the given patch. + */ +static int guess_p_value(struct apply_state *state, const char *nameline) +{ + char *name, *cp; + int val = -1; + + if (is_dev_null(nameline)) + return -1; + name = find_name_traditional(state, nameline, NULL, 0); + if (!name) + return -1; + cp = strchr(name, '/'); + if (!cp) + val = 0; + else if (state->prefix) { + /* + * Does it begin with "a/$our-prefix" and such? Then this is + * very likely to apply to our directory. + */ + if (!strncmp(name, state->prefix, state->prefix_length)) + val = count_slashes(state->prefix); + else { + cp++; + if (!strncmp(cp, state->prefix, state->prefix_length)) + val = count_slashes(state->prefix) + 1; + } + } + free(name); + return val; +} + +/* + * Does the ---/+++ line have the POSIX timestamp after the last HT? + * GNU diff puts epoch there to signal a creation/deletion event. Is + * this such a timestamp? + */ +static int has_epoch_timestamp(const char *nameline) +{ + /* + * We are only interested in epoch timestamp; any non-zero + * fraction cannot be one, hence "(\.0+)?" in the regexp below. + * For the same reason, the date must be either 1969-12-31 or + * 1970-01-01, and the seconds part must be "00". + */ + const char stamp_regexp[] = + "^(1969-12-31|1970-01-01)" + " " + "[0-2][0-9]:[0-5][0-9]:00(\\.0+)?" + " " + "([-+][0-2][0-9]:?[0-5][0-9])\n"; + const char *timestamp = NULL, *cp, *colon; + static regex_t *stamp; + regmatch_t m[10]; + int zoneoffset; + int hourminute; + int status; + + for (cp = nameline; *cp != '\n'; cp++) { + if (*cp == '\t') + timestamp = cp + 1; + } + if (!timestamp) + return 0; + if (!stamp) { + stamp = xmalloc(sizeof(*stamp)); + if (regcomp(stamp, stamp_regexp, REG_EXTENDED)) { + warning(_("Cannot prepare timestamp regexp %s"), + stamp_regexp); + return 0; + } + } + + status = regexec(stamp, timestamp, ARRAY_SIZE(m), m, 0); + if (status) { + if (status != REG_NOMATCH) + warning(_("regexec returned %d for input: %s"), + status, timestamp); + return 0; + } + + zoneoffset = strtol(timestamp + m[3].rm_so + 1, (char **) &colon, 10); + if (*colon == ':') + zoneoffset = zoneoffset * 60 + strtol(colon + 1, NULL, 10); + else + zoneoffset = (zoneoffset / 100) * 60 + (zoneoffset % 100); + if (timestamp[m[3].rm_so] == '-') + zoneoffset = -zoneoffset; + + /* + * YYYY-MM-DD hh:mm:ss must be from either 1969-12-31 + * (west of GMT) or 1970-01-01 (east of GMT) + */ + if ((zoneoffset < 0 && memcmp(timestamp, "1969-12-31", 10)) || + (0 <= zoneoffset && memcmp(timestamp, "1970-01-01", 10))) + return 0; + + hourminute = (strtol(timestamp + 11, NULL, 10) * 60 + + strtol(timestamp + 14, NULL, 10) - + zoneoffset); + + return ((zoneoffset < 0 && hourminute == 1440) || + (0 <= zoneoffset && !hourminute)); +} + +/* + * Get the name etc info from the ---/+++ lines of a traditional patch header + * + * FIXME! The end-of-filename heuristics are kind of screwy. For existing + * files, we can happily check the index for a match, but for creating a + * new file we should try to match whatever "patch" does. I have no idea. + */ +static int parse_traditional_patch(struct apply_state *state, + const char *first, + const char *second, + struct patch *patch) +{ + char *name; + + first += 4; /* skip "--- " */ + second += 4; /* skip "+++ " */ + if (!state->p_value_known) { + int p, q; + p = guess_p_value(state, first); + q = guess_p_value(state, second); + if (p < 0) p = q; + if (0 <= p && p == q) { + state->p_value = p; + state->p_value_known = 1; + } + } + if (is_dev_null(first)) { + patch->is_new = 1; + patch->is_delete = 0; + name = find_name_traditional(state, second, NULL, state->p_value); + patch->new_name = name; + } else if (is_dev_null(second)) { + patch->is_new = 0; + patch->is_delete = 1; + name = find_name_traditional(state, first, NULL, state->p_value); + patch->old_name = name; + } else { + char *first_name; + first_name = find_name_traditional(state, first, NULL, state->p_value); + name = find_name_traditional(state, second, first_name, state->p_value); + free(first_name); + if (has_epoch_timestamp(first)) { + patch->is_new = 1; + patch->is_delete = 0; + patch->new_name = name; + } else if (has_epoch_timestamp(second)) { + patch->is_new = 0; + patch->is_delete = 1; + patch->old_name = name; + } else { + patch->old_name = name; + patch->new_name = xstrdup_or_null(name); + } + } + if (!name) + return error(_("unable to find filename in patch at line %d"), state->linenr); + + return 0; +} + +static int gitdiff_hdrend(struct apply_state *state, + const char *line, + struct patch *patch) +{ + return 1; +} + +/* + * We're anal about diff header consistency, to make + * sure that we don't end up having strange ambiguous + * patches floating around. + * + * As a result, gitdiff_{old|new}name() will check + * their names against any previous information, just + * to make sure.. + */ +#define DIFF_OLD_NAME 0 +#define DIFF_NEW_NAME 1 + +static int gitdiff_verify_name(struct apply_state *state, + const char *line, + int isnull, + char **name, + int side) +{ + if (!*name && !isnull) { + *name = find_name(state, line, NULL, state->p_value, TERM_TAB); + return 0; + } + + if (*name) { + int len = strlen(*name); + char *another; + if (isnull) + return error(_("git apply: bad git-diff - expected /dev/null, got %s on line %d"), + *name, state->linenr); + another = find_name(state, line, NULL, state->p_value, TERM_TAB); + if (!another || memcmp(another, *name, len + 1)) { + free(another); + return error((side == DIFF_NEW_NAME) ? + _("git apply: bad git-diff - inconsistent new filename on line %d") : + _("git apply: bad git-diff - inconsistent old filename on line %d"), state->linenr); + } + free(another); + } else { + /* expect "/dev/null" */ + if (memcmp("/dev/null", line, 9) || line[9] != '\n') + return error(_("git apply: bad git-diff - expected /dev/null on line %d"), state->linenr); + } + + return 0; +} + +static int gitdiff_oldname(struct apply_state *state, + const char *line, + struct patch *patch) +{ + return gitdiff_verify_name(state, line, + patch->is_new, &patch->old_name, + DIFF_OLD_NAME); +} + +static int gitdiff_newname(struct apply_state *state, + const char *line, + struct patch *patch) +{ + return gitdiff_verify_name(state, line, + patch->is_delete, &patch->new_name, + DIFF_NEW_NAME); +} + +static int gitdiff_oldmode(struct apply_state *state, + const char *line, + struct patch *patch) +{ + patch->old_mode = strtoul(line, NULL, 8); + return 0; +} + +static int gitdiff_newmode(struct apply_state *state, + const char *line, + struct patch *patch) +{ + patch->new_mode = strtoul(line, NULL, 8); + return 0; +} + +static int gitdiff_delete(struct apply_state *state, + const char *line, + struct patch *patch) +{ + patch->is_delete = 1; + free(patch->old_name); + patch->old_name = xstrdup_or_null(patch->def_name); + return gitdiff_oldmode(state, line, patch); +} + +static int gitdiff_newfile(struct apply_state *state, + const char *line, + struct patch *patch) +{ + patch->is_new = 1; + free(patch->new_name); + patch->new_name = xstrdup_or_null(patch->def_name); + return gitdiff_newmode(state, line, patch); +} + +static int gitdiff_copysrc(struct apply_state *state, + const char *line, + struct patch *patch) +{ + patch->is_copy = 1; + free(patch->old_name); + patch->old_name = find_name(state, line, NULL, state->p_value ? state->p_value - 1 : 0, 0); + return 0; +} + +static int gitdiff_copydst(struct apply_state *state, + const char *line, + struct patch *patch) +{ + patch->is_copy = 1; + free(patch->new_name); + patch->new_name = find_name(state, line, NULL, state->p_value ? state->p_value - 1 : 0, 0); + return 0; +} + +static int gitdiff_renamesrc(struct apply_state *state, + const char *line, + struct patch *patch) +{ + patch->is_rename = 1; + free(patch->old_name); + patch->old_name = find_name(state, line, NULL, state->p_value ? state->p_value - 1 : 0, 0); + return 0; +} + +static int gitdiff_renamedst(struct apply_state *state, + const char *line, + struct patch *patch) +{ + patch->is_rename = 1; + free(patch->new_name); + patch->new_name = find_name(state, line, NULL, state->p_value ? state->p_value - 1 : 0, 0); + return 0; +} + +static int gitdiff_similarity(struct apply_state *state, + const char *line, + struct patch *patch) +{ + unsigned long val = strtoul(line, NULL, 10); + if (val <= 100) + patch->score = val; + return 0; +} + +static int gitdiff_dissimilarity(struct apply_state *state, + const char *line, + struct patch *patch) +{ + unsigned long val = strtoul(line, NULL, 10); + if (val <= 100) + patch->score = val; + return 0; +} + +static int gitdiff_index(struct apply_state *state, + const char *line, + struct patch *patch) +{ + /* + * index line is N hexadecimal, "..", N hexadecimal, + * and optional space with octal mode. + */ + const char *ptr, *eol; + int len; + + ptr = strchr(line, '.'); + if (!ptr || ptr[1] != '.' || 40 < ptr - line) + return 0; + len = ptr - line; + memcpy(patch->old_sha1_prefix, line, len); + patch->old_sha1_prefix[len] = 0; + + line = ptr + 2; + ptr = strchr(line, ' '); + eol = strchrnul(line, '\n'); + + if (!ptr || eol < ptr) + ptr = eol; + len = ptr - line; + + if (40 < len) + return 0; + memcpy(patch->new_sha1_prefix, line, len); + patch->new_sha1_prefix[len] = 0; + if (*ptr == ' ') + patch->old_mode = strtoul(ptr+1, NULL, 8); + return 0; +} + +/* + * This is normal for a diff that doesn't change anything: we'll fall through + * into the next diff. Tell the parser to break out. + */ +static int gitdiff_unrecognized(struct apply_state *state, + const char *line, + struct patch *patch) +{ + return 1; +} + +/* + * Skip p_value leading components from "line"; as we do not accept + * absolute paths, return NULL in that case. + */ +static const char *skip_tree_prefix(struct apply_state *state, + const char *line, + int llen) +{ + int nslash; + int i; + + if (!state->p_value) + return (llen && line[0] == '/') ? NULL : line; + + nslash = state->p_value; + for (i = 0; i < llen; i++) { + int ch = line[i]; + if (ch == '/' && --nslash <= 0) + return (i == 0) ? NULL : &line[i + 1]; + } + return NULL; +} + +/* + * This is to extract the same name that appears on "diff --git" + * line. We do not find and return anything if it is a rename + * patch, and it is OK because we will find the name elsewhere. + * We need to reliably find name only when it is mode-change only, + * creation or deletion of an empty file. In any of these cases, + * both sides are the same name under a/ and b/ respectively. + */ +static char *git_header_name(struct apply_state *state, + const char *line, + int llen) +{ + const char *name; + const char *second = NULL; + size_t len, line_len; + + line += strlen("diff --git "); + llen -= strlen("diff --git "); + + if (*line == '"') { + const char *cp; + struct strbuf first = STRBUF_INIT; + struct strbuf sp = STRBUF_INIT; + + if (unquote_c_style(&first, line, &second)) + goto free_and_fail1; + + /* strip the a/b prefix including trailing slash */ + cp = skip_tree_prefix(state, first.buf, first.len); + if (!cp) + goto free_and_fail1; + strbuf_remove(&first, 0, cp - first.buf); + + /* + * second points at one past closing dq of name. + * find the second name. + */ + while ((second < line + llen) && isspace(*second)) + second++; + + if (line + llen <= second) + goto free_and_fail1; + if (*second == '"') { + if (unquote_c_style(&sp, second, NULL)) + goto free_and_fail1; + cp = skip_tree_prefix(state, sp.buf, sp.len); + if (!cp) + goto free_and_fail1; + /* They must match, otherwise ignore */ + if (strcmp(cp, first.buf)) + goto free_and_fail1; + strbuf_release(&sp); + return strbuf_detach(&first, NULL); + } + + /* unquoted second */ + cp = skip_tree_prefix(state, second, line + llen - second); + if (!cp) + goto free_and_fail1; + if (line + llen - cp != first.len || + memcmp(first.buf, cp, first.len)) + goto free_and_fail1; + return strbuf_detach(&first, NULL); + + free_and_fail1: + strbuf_release(&first); + strbuf_release(&sp); + return NULL; + } + + /* unquoted first name */ + name = skip_tree_prefix(state, line, llen); + if (!name) + return NULL; + + /* + * since the first name is unquoted, a dq if exists must be + * the beginning of the second name. + */ + for (second = name; second < line + llen; second++) { + if (*second == '"') { + struct strbuf sp = STRBUF_INIT; + const char *np; + + if (unquote_c_style(&sp, second, NULL)) + goto free_and_fail2; + + np = skip_tree_prefix(state, sp.buf, sp.len); + if (!np) + goto free_and_fail2; + + len = sp.buf + sp.len - np; + if (len < second - name && + !strncmp(np, name, len) && + isspace(name[len])) { + /* Good */ + strbuf_remove(&sp, 0, np - sp.buf); + return strbuf_detach(&sp, NULL); + } + + free_and_fail2: + strbuf_release(&sp); + return NULL; + } + } + + /* + * Accept a name only if it shows up twice, exactly the same + * form. + */ + second = strchr(name, '\n'); + if (!second) + return NULL; + line_len = second - name; + for (len = 0 ; ; len++) { + switch (name[len]) { + default: + continue; + case '\n': + return NULL; + case '\t': case ' ': + /* + * Is this the separator between the preimage + * and the postimage pathname? Again, we are + * only interested in the case where there is + * no rename, as this is only to set def_name + * and a rename patch has the names elsewhere + * in an unambiguous form. + */ + if (!name[len + 1]) + return NULL; /* no postimage name */ + second = skip_tree_prefix(state, name + len + 1, + line_len - (len + 1)); + if (!second) + return NULL; + /* + * Does len bytes starting at "name" and "second" + * (that are separated by one HT or SP we just + * found) exactly match? + */ + if (second[len] == '\n' && !strncmp(name, second, len)) + return xmemdupz(name, len); + } + } +} + +/* Verify that we recognize the lines following a git header */ +static int parse_git_header(struct apply_state *state, + const char *line, + int len, + unsigned int size, + struct patch *patch) +{ + unsigned long offset; + + /* A git diff has explicit new/delete information, so we don't guess */ + patch->is_new = 0; + patch->is_delete = 0; + + /* + * Some things may not have the old name in the + * rest of the headers anywhere (pure mode changes, + * or removing or adding empty files), so we get + * the default name from the header. + */ + patch->def_name = git_header_name(state, line, len); + if (patch->def_name && state->root.len) { + char *s = xstrfmt("%s%s", state->root.buf, patch->def_name); + free(patch->def_name); + patch->def_name = s; + } + + line += len; + size -= len; + state->linenr++; + for (offset = len ; size > 0 ; offset += len, size -= len, line += len, state->linenr++) { + static const struct opentry { + const char *str; + int (*fn)(struct apply_state *, const char *, struct patch *); + } optable[] = { + { "@@ -", gitdiff_hdrend }, + { "--- ", gitdiff_oldname }, + { "+++ ", gitdiff_newname }, + { "old mode ", gitdiff_oldmode }, + { "new mode ", gitdiff_newmode }, + { "deleted file mode ", gitdiff_delete }, + { "new file mode ", gitdiff_newfile }, + { "copy from ", gitdiff_copysrc }, + { "copy to ", gitdiff_copydst }, + { "rename old ", gitdiff_renamesrc }, + { "rename new ", gitdiff_renamedst }, + { "rename from ", gitdiff_renamesrc }, + { "rename to ", gitdiff_renamedst }, + { "similarity index ", gitdiff_similarity }, + { "dissimilarity index ", gitdiff_dissimilarity }, + { "index ", gitdiff_index }, + { "", gitdiff_unrecognized }, + }; + int i; + + len = linelen(line, size); + if (!len || line[len-1] != '\n') + break; + for (i = 0; i < ARRAY_SIZE(optable); i++) { + const struct opentry *p = optable + i; + int oplen = strlen(p->str); + int res; + if (len < oplen || memcmp(p->str, line, oplen)) + continue; + res = p->fn(state, line + oplen, patch); + if (res < 0) + return -1; + if (res > 0) + return offset; + break; + } + } + + return offset; +} + +static int parse_num(const char *line, unsigned long *p) +{ + char *ptr; + + if (!isdigit(*line)) + return 0; + *p = strtoul(line, &ptr, 10); + return ptr - line; +} + +static int parse_range(const char *line, int len, int offset, const char *expect, + unsigned long *p1, unsigned long *p2) +{ + int digits, ex; + + if (offset < 0 || offset >= len) + return -1; + line += offset; + len -= offset; + + digits = parse_num(line, p1); + if (!digits) + return -1; + + offset += digits; + line += digits; + len -= digits; + + *p2 = 1; + if (*line == ',') { + digits = parse_num(line+1, p2); + if (!digits) + return -1; + + offset += digits+1; + line += digits+1; + len -= digits+1; + } + + ex = strlen(expect); + if (ex > len) + return -1; + if (memcmp(line, expect, ex)) + return -1; + + return offset + ex; +} + +static void recount_diff(const char *line, int size, struct fragment *fragment) +{ + int oldlines = 0, newlines = 0, ret = 0; + + if (size < 1) { + warning("recount: ignore empty hunk"); + return; + } + + for (;;) { + int len = linelen(line, size); + size -= len; + line += len; + + if (size < 1) + break; + + switch (*line) { + case ' ': case '\n': + newlines++; + /* fall through */ + case '-': + oldlines++; + continue; + case '+': + newlines++; + continue; + case '\\': + continue; + case '@': + ret = size < 3 || !starts_with(line, "@@ "); + break; + case 'd': + ret = size < 5 || !starts_with(line, "diff "); + break; + default: + ret = -1; + break; + } + if (ret) { + warning(_("recount: unexpected line: %.*s"), + (int)linelen(line, size), line); + return; + } + break; + } + fragment->oldlines = oldlines; + fragment->newlines = newlines; +} + +/* + * Parse a unified diff fragment header of the + * form "@@ -a,b +c,d @@" + */ +static int parse_fragment_header(const char *line, int len, struct fragment *fragment) +{ + int offset; + + if (!len || line[len-1] != '\n') + return -1; + + /* Figure out the number of lines in a fragment */ + offset = parse_range(line, len, 4, " +", &fragment->oldpos, &fragment->oldlines); + offset = parse_range(line, len, offset, " @@", &fragment->newpos, &fragment->newlines); + + return offset; +} + +/* + * Find file diff header + * + * Returns: + * -1 if no header was found + * -128 in case of error + * the size of the header in bytes (called "offset") otherwise + */ +static int find_header(struct apply_state *state, + const char *line, + unsigned long size, + int *hdrsize, + struct patch *patch) +{ + unsigned long offset, len; + + patch->is_toplevel_relative = 0; + patch->is_rename = patch->is_copy = 0; + patch->is_new = patch->is_delete = -1; + patch->old_mode = patch->new_mode = 0; + patch->old_name = patch->new_name = NULL; + for (offset = 0; size > 0; offset += len, size -= len, line += len, state->linenr++) { + unsigned long nextlen; + + len = linelen(line, size); + if (!len) + break; + + /* Testing this early allows us to take a few shortcuts.. */ + if (len < 6) + continue; + + /* + * Make sure we don't find any unconnected patch fragments. + * That's a sign that we didn't find a header, and that a + * patch has become corrupted/broken up. + */ + if (!memcmp("@@ -", line, 4)) { + struct fragment dummy; + if (parse_fragment_header(line, len, &dummy) < 0) + continue; + error(_("patch fragment without header at line %d: %.*s"), + state->linenr, (int)len-1, line); + return -128; + } + + if (size < len + 6) + break; + + /* + * Git patch? It might not have a real patch, just a rename + * or mode change, so we handle that specially + */ + if (!memcmp("diff --git ", line, 11)) { + int git_hdr_len = parse_git_header(state, line, len, size, patch); + if (git_hdr_len < 0) + return -128; + if (git_hdr_len <= len) + continue; + if (!patch->old_name && !patch->new_name) { + if (!patch->def_name) { + error(Q_("git diff header lacks filename information when removing " + "%d leading pathname component (line %d)", + "git diff header lacks filename information when removing " + "%d leading pathname components (line %d)", + state->p_value), + state->p_value, state->linenr); + return -128; + } + patch->old_name = xstrdup(patch->def_name); + patch->new_name = xstrdup(patch->def_name); + } + if (!patch->is_delete && !patch->new_name) { + error("git diff header lacks filename information " + "(line %d)", state->linenr); + return -128; + } + patch->is_toplevel_relative = 1; + *hdrsize = git_hdr_len; + return offset; + } + + /* --- followed by +++ ? */ + if (memcmp("--- ", line, 4) || memcmp("+++ ", line + len, 4)) + continue; + + /* + * We only accept unified patches, so we want it to + * at least have "@@ -a,b +c,d @@\n", which is 14 chars + * minimum ("@@ -0,0 +1 @@\n" is the shortest). + */ + nextlen = linelen(line + len, size - len); + if (size < nextlen + 14 || memcmp("@@ -", line + len + nextlen, 4)) + continue; + + /* Ok, we'll consider it a patch */ + if (parse_traditional_patch(state, line, line+len, patch)) + return -128; + *hdrsize = len + nextlen; + state->linenr += 2; + return offset; + } + return -1; +} + +static void record_ws_error(struct apply_state *state, + unsigned result, + const char *line, + int len, + int linenr) +{ + char *err; + + if (!result) + return; + + state->whitespace_error++; + if (state->squelch_whitespace_errors && + state->squelch_whitespace_errors < state->whitespace_error) + return; + + err = whitespace_error_string(result); + if (state->apply_verbosity > verbosity_silent) + fprintf(stderr, "%s:%d: %s.\n%.*s\n", + state->patch_input_file, linenr, err, len, line); + free(err); +} + +static void check_whitespace(struct apply_state *state, + const char *line, + int len, + unsigned ws_rule) +{ + unsigned result = ws_check(line + 1, len - 1, ws_rule); + + record_ws_error(state, result, line + 1, len - 2, state->linenr); +} + +/* + * Parse a unified diff. Note that this really needs to parse each + * fragment separately, since the only way to know the difference + * between a "---" that is part of a patch, and a "---" that starts + * the next patch is to look at the line counts.. + */ +static int parse_fragment(struct apply_state *state, + const char *line, + unsigned long size, + struct patch *patch, + struct fragment *fragment) +{ + int added, deleted; + int len = linelen(line, size), offset; + unsigned long oldlines, newlines; + unsigned long leading, trailing; + + offset = parse_fragment_header(line, len, fragment); + if (offset < 0) + return -1; + if (offset > 0 && patch->recount) + recount_diff(line + offset, size - offset, fragment); + oldlines = fragment->oldlines; + newlines = fragment->newlines; + leading = 0; + trailing = 0; + + /* Parse the thing.. */ + line += len; + size -= len; + state->linenr++; + added = deleted = 0; + for (offset = len; + 0 < size; + offset += len, size -= len, line += len, state->linenr++) { + if (!oldlines && !newlines) + break; + len = linelen(line, size); + if (!len || line[len-1] != '\n') + return -1; + switch (*line) { + default: + return -1; + case '\n': /* newer GNU diff, an empty context line */ + case ' ': + oldlines--; + newlines--; + if (!deleted && !added) + leading++; + trailing++; + if (!state->apply_in_reverse && + state->ws_error_action == correct_ws_error) + check_whitespace(state, line, len, patch->ws_rule); + break; + case '-': + if (state->apply_in_reverse && + state->ws_error_action != nowarn_ws_error) + check_whitespace(state, line, len, patch->ws_rule); + deleted++; + oldlines--; + trailing = 0; + break; + case '+': + if (!state->apply_in_reverse && + state->ws_error_action != nowarn_ws_error) + check_whitespace(state, line, len, patch->ws_rule); + added++; + newlines--; + trailing = 0; + break; + + /* + * We allow "\ No newline at end of file". Depending + * on locale settings when the patch was produced we + * don't know what this line looks like. The only + * thing we do know is that it begins with "\ ". + * Checking for 12 is just for sanity check -- any + * l10n of "\ No newline..." is at least that long. + */ + case '\\': + if (len < 12 || memcmp(line, "\\ ", 2)) + return -1; + break; + } + } + if (oldlines || newlines) + return -1; + if (!deleted && !added) + return -1; + + fragment->leading = leading; + fragment->trailing = trailing; + + /* + * If a fragment ends with an incomplete line, we failed to include + * it in the above loop because we hit oldlines == newlines == 0 + * before seeing it. + */ + if (12 < size && !memcmp(line, "\\ ", 2)) + offset += linelen(line, size); + + patch->lines_added += added; + patch->lines_deleted += deleted; + + if (0 < patch->is_new && oldlines) + return error(_("new file depends on old contents")); + if (0 < patch->is_delete && newlines) + return error(_("deleted file still has contents")); + return offset; +} + +/* + * We have seen "diff --git a/... b/..." header (or a traditional patch + * header). Read hunks that belong to this patch into fragments and hang + * them to the given patch structure. + * + * The (fragment->patch, fragment->size) pair points into the memory given + * by the caller, not a copy, when we return. + * + * Returns: + * -1 in case of error, + * the number of bytes in the patch otherwise. + */ +static int parse_single_patch(struct apply_state *state, + const char *line, + unsigned long size, + struct patch *patch) +{ + unsigned long offset = 0; + unsigned long oldlines = 0, newlines = 0, context = 0; + struct fragment **fragp = &patch->fragments; + + while (size > 4 && !memcmp(line, "@@ -", 4)) { + struct fragment *fragment; + int len; + + fragment = xcalloc(1, sizeof(*fragment)); + fragment->linenr = state->linenr; + len = parse_fragment(state, line, size, patch, fragment); + if (len <= 0) { + free(fragment); + return error(_("corrupt patch at line %d"), state->linenr); + } + fragment->patch = line; + fragment->size = len; + oldlines += fragment->oldlines; + newlines += fragment->newlines; + context += fragment->leading + fragment->trailing; + + *fragp = fragment; + fragp = &fragment->next; + + offset += len; + line += len; + size -= len; + } + + /* + * If something was removed (i.e. we have old-lines) it cannot + * be creation, and if something was added it cannot be + * deletion. However, the reverse is not true; --unified=0 + * patches that only add are not necessarily creation even + * though they do not have any old lines, and ones that only + * delete are not necessarily deletion. + * + * Unfortunately, a real creation/deletion patch do _not_ have + * any context line by definition, so we cannot safely tell it + * apart with --unified=0 insanity. At least if the patch has + * more than one hunk it is not creation or deletion. + */ + if (patch->is_new < 0 && + (oldlines || (patch->fragments && patch->fragments->next))) + patch->is_new = 0; + if (patch->is_delete < 0 && + (newlines || (patch->fragments && patch->fragments->next))) + patch->is_delete = 0; + + if (0 < patch->is_new && oldlines) + return error(_("new file %s depends on old contents"), patch->new_name); + if (0 < patch->is_delete && newlines) + return error(_("deleted file %s still has contents"), patch->old_name); + if (!patch->is_delete && !newlines && context && state->apply_verbosity > verbosity_silent) + fprintf_ln(stderr, + _("** warning: " + "file %s becomes empty but is not deleted"), + patch->new_name); + + return offset; +} + +static inline int metadata_changes(struct patch *patch) +{ + return patch->is_rename > 0 || + patch->is_copy > 0 || + patch->is_new > 0 || + patch->is_delete || + (patch->old_mode && patch->new_mode && + patch->old_mode != patch->new_mode); +} + +static char *inflate_it(const void *data, unsigned long size, + unsigned long inflated_size) +{ + git_zstream stream; + void *out; + int st; + + memset(&stream, 0, sizeof(stream)); + + stream.next_in = (unsigned char *)data; + stream.avail_in = size; + stream.next_out = out = xmalloc(inflated_size); + stream.avail_out = inflated_size; + git_inflate_init(&stream); + st = git_inflate(&stream, Z_FINISH); + git_inflate_end(&stream); + if ((st != Z_STREAM_END) || stream.total_out != inflated_size) { + free(out); + return NULL; + } + return out; +} + +/* + * Read a binary hunk and return a new fragment; fragment->patch + * points at an allocated memory that the caller must free, so + * it is marked as "->free_patch = 1". + */ +static struct fragment *parse_binary_hunk(struct apply_state *state, + char **buf_p, + unsigned long *sz_p, + int *status_p, + int *used_p) +{ + /* + * Expect a line that begins with binary patch method ("literal" + * or "delta"), followed by the length of data before deflating. + * a sequence of 'length-byte' followed by base-85 encoded data + * should follow, terminated by a newline. + * + * Each 5-byte sequence of base-85 encodes up to 4 bytes, + * and we would limit the patch line to 66 characters, + * so one line can fit up to 13 groups that would decode + * to 52 bytes max. The length byte 'A'-'Z' corresponds + * to 1-26 bytes, and 'a'-'z' corresponds to 27-52 bytes. + */ + int llen, used; + unsigned long size = *sz_p; + char *buffer = *buf_p; + int patch_method; + unsigned long origlen; + char *data = NULL; + int hunk_size = 0; + struct fragment *frag; + + llen = linelen(buffer, size); + used = llen; + + *status_p = 0; + + if (starts_with(buffer, "delta ")) { + patch_method = BINARY_DELTA_DEFLATED; + origlen = strtoul(buffer + 6, NULL, 10); + } + else if (starts_with(buffer, "literal ")) { + patch_method = BINARY_LITERAL_DEFLATED; + origlen = strtoul(buffer + 8, NULL, 10); + } + else + return NULL; + + state->linenr++; + buffer += llen; + while (1) { + int byte_length, max_byte_length, newsize; + llen = linelen(buffer, size); + used += llen; + state->linenr++; + if (llen == 1) { + /* consume the blank line */ + buffer++; + size--; + break; + } + /* + * Minimum line is "A00000\n" which is 7-byte long, + * and the line length must be multiple of 5 plus 2. + */ + if ((llen < 7) || (llen-2) % 5) + goto corrupt; + max_byte_length = (llen - 2) / 5 * 4; + byte_length = *buffer; + if ('A' <= byte_length && byte_length <= 'Z') + byte_length = byte_length - 'A' + 1; + else if ('a' <= byte_length && byte_length <= 'z') + byte_length = byte_length - 'a' + 27; + else + goto corrupt; + /* if the input length was not multiple of 4, we would + * have filler at the end but the filler should never + * exceed 3 bytes + */ + if (max_byte_length < byte_length || + byte_length <= max_byte_length - 4) + goto corrupt; + newsize = hunk_size + byte_length; + data = xrealloc(data, newsize); + if (decode_85(data + hunk_size, buffer + 1, byte_length)) + goto corrupt; + hunk_size = newsize; + buffer += llen; + size -= llen; + } + + frag = xcalloc(1, sizeof(*frag)); + frag->patch = inflate_it(data, hunk_size, origlen); + frag->free_patch = 1; + if (!frag->patch) + goto corrupt; + free(data); + frag->size = origlen; + *buf_p = buffer; + *sz_p = size; + *used_p = used; + frag->binary_patch_method = patch_method; + return frag; + + corrupt: + free(data); + *status_p = -1; + error(_("corrupt binary patch at line %d: %.*s"), + state->linenr-1, llen-1, buffer); + return NULL; +} + +/* + * Returns: + * -1 in case of error, + * the length of the parsed binary patch otherwise + */ +static int parse_binary(struct apply_state *state, + char *buffer, + unsigned long size, + struct patch *patch) +{ + /* + * We have read "GIT binary patch\n"; what follows is a line + * that says the patch method (currently, either "literal" or + * "delta") and the length of data before deflating; a + * sequence of 'length-byte' followed by base-85 encoded data + * follows. + * + * When a binary patch is reversible, there is another binary + * hunk in the same format, starting with patch method (either + * "literal" or "delta") with the length of data, and a sequence + * of length-byte + base-85 encoded data, terminated with another + * empty line. This data, when applied to the postimage, produces + * the preimage. + */ + struct fragment *forward; + struct fragment *reverse; + int status; + int used, used_1; + + forward = parse_binary_hunk(state, &buffer, &size, &status, &used); + if (!forward && !status) + /* there has to be one hunk (forward hunk) */ + return error(_("unrecognized binary patch at line %d"), state->linenr-1); + if (status) + /* otherwise we already gave an error message */ + return status; + + reverse = parse_binary_hunk(state, &buffer, &size, &status, &used_1); + if (reverse) + used += used_1; + else if (status) { + /* + * Not having reverse hunk is not an error, but having + * a corrupt reverse hunk is. + */ + free((void*) forward->patch); + free(forward); + return status; + } + forward->next = reverse; + patch->fragments = forward; + patch->is_binary = 1; + return used; +} + +static void prefix_one(struct apply_state *state, char **name) +{ + char *old_name = *name; + if (!old_name) + return; + *name = xstrdup(prefix_filename(state->prefix, state->prefix_length, *name)); + free(old_name); +} + +static void prefix_patch(struct apply_state *state, struct patch *p) +{ + if (!state->prefix || p->is_toplevel_relative) + return; + prefix_one(state, &p->new_name); + prefix_one(state, &p->old_name); +} + +/* + * include/exclude + */ + +static void add_name_limit(struct apply_state *state, + const char *name, + int exclude) +{ + struct string_list_item *it; + + it = string_list_append(&state->limit_by_name, name); + it->util = exclude ? NULL : (void *) 1; +} + +static int use_patch(struct apply_state *state, struct patch *p) +{ + const char *pathname = p->new_name ? p->new_name : p->old_name; + int i; + + /* Paths outside are not touched regardless of "--include" */ + if (0 < state->prefix_length) { + int pathlen = strlen(pathname); + if (pathlen <= state->prefix_length || + memcmp(state->prefix, pathname, state->prefix_length)) + return 0; + } + + /* See if it matches any of exclude/include rule */ + for (i = 0; i < state->limit_by_name.nr; i++) { + struct string_list_item *it = &state->limit_by_name.items[i]; + if (!wildmatch(it->string, pathname, 0, NULL)) + return (it->util != NULL); + } + + /* + * If we had any include, a path that does not match any rule is + * not used. Otherwise, we saw bunch of exclude rules (or none) + * and such a path is used. + */ + return !state->has_include; +} + +/* + * Read the patch text in "buffer" that extends for "size" bytes; stop + * reading after seeing a single patch (i.e. changes to a single file). + * Create fragments (i.e. patch hunks) and hang them to the given patch. + * + * Returns: + * -1 if no header was found or parse_binary() failed, + * -128 on another error, + * the number of bytes consumed otherwise, + * so that the caller can call us again for the next patch. + */ +static int parse_chunk(struct apply_state *state, char *buffer, unsigned long size, struct patch *patch) +{ + int hdrsize, patchsize; + int offset = find_header(state, buffer, size, &hdrsize, patch); + + if (offset < 0) + return offset; + + prefix_patch(state, patch); + + if (!use_patch(state, patch)) + patch->ws_rule = 0; + else + patch->ws_rule = whitespace_rule(patch->new_name + ? patch->new_name + : patch->old_name); + + patchsize = parse_single_patch(state, + buffer + offset + hdrsize, + size - offset - hdrsize, + patch); + + if (patchsize < 0) + return -128; + + if (!patchsize) { + static const char git_binary[] = "GIT binary patch\n"; + int hd = hdrsize + offset; + unsigned long llen = linelen(buffer + hd, size - hd); + + if (llen == sizeof(git_binary) - 1 && + !memcmp(git_binary, buffer + hd, llen)) { + int used; + state->linenr++; + used = parse_binary(state, buffer + hd + llen, + size - hd - llen, patch); + if (used < 0) + return -1; + if (used) + patchsize = used + llen; + else + patchsize = 0; + } + else if (!memcmp(" differ\n", buffer + hd + llen - 8, 8)) { + static const char *binhdr[] = { + "Binary files ", + "Files ", + NULL, + }; + int i; + for (i = 0; binhdr[i]; i++) { + int len = strlen(binhdr[i]); + if (len < size - hd && + !memcmp(binhdr[i], buffer + hd, len)) { + state->linenr++; + patch->is_binary = 1; + patchsize = llen; + break; + } + } + } + + /* Empty patch cannot be applied if it is a text patch + * without metadata change. A binary patch appears + * empty to us here. + */ + if ((state->apply || state->check) && + (!patch->is_binary && !metadata_changes(patch))) { + error(_("patch with only garbage at line %d"), state->linenr); + return -128; + } + } + + return offset + hdrsize + patchsize; +} + +#define swap(a,b) myswap((a),(b),sizeof(a)) + +#define myswap(a, b, size) do { \ + unsigned char mytmp[size]; \ + memcpy(mytmp, &a, size); \ + memcpy(&a, &b, size); \ + memcpy(&b, mytmp, size); \ +} while (0) + +static void reverse_patches(struct patch *p) +{ + for (; p; p = p->next) { + struct fragment *frag = p->fragments; + + swap(p->new_name, p->old_name); + swap(p->new_mode, p->old_mode); + swap(p->is_new, p->is_delete); + swap(p->lines_added, p->lines_deleted); + swap(p->old_sha1_prefix, p->new_sha1_prefix); + + for (; frag; frag = frag->next) { + swap(frag->newpos, frag->oldpos); + swap(frag->newlines, frag->oldlines); + } + } +} + +static const char pluses[] = +"++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++"; +static const char minuses[]= +"----------------------------------------------------------------------"; + +static void show_stats(struct apply_state *state, struct patch *patch) +{ + struct strbuf qname = STRBUF_INIT; + char *cp = patch->new_name ? patch->new_name : patch->old_name; + int max, add, del; + + quote_c_style(cp, &qname, NULL, 0); + + /* + * "scale" the filename + */ + max = state->max_len; + if (max > 50) + max = 50; + + if (qname.len > max) { + cp = strchr(qname.buf + qname.len + 3 - max, '/'); + if (!cp) + cp = qname.buf + qname.len + 3 - max; + strbuf_splice(&qname, 0, cp - qname.buf, "...", 3); + } + + if (patch->is_binary) { + printf(" %-*s | Bin\n", max, qname.buf); + strbuf_release(&qname); + return; + } + + printf(" %-*s |", max, qname.buf); + strbuf_release(&qname); + + /* + * scale the add/delete + */ + max = max + state->max_change > 70 ? 70 - max : state->max_change; + add = patch->lines_added; + del = patch->lines_deleted; + + if (state->max_change > 0) { + int total = ((add + del) * max + state->max_change / 2) / state->max_change; + add = (add * max + state->max_change / 2) / state->max_change; + del = total - add; + } + printf("%5d %.*s%.*s\n", patch->lines_added + patch->lines_deleted, + add, pluses, del, minuses); +} + +static int read_old_data(struct stat *st, const char *path, struct strbuf *buf) +{ + switch (st->st_mode & S_IFMT) { + case S_IFLNK: + if (strbuf_readlink(buf, path, st->st_size) < 0) + return error(_("unable to read symlink %s"), path); + return 0; + case S_IFREG: + if (strbuf_read_file(buf, path, st->st_size) != st->st_size) + return error(_("unable to open or read %s"), path); + convert_to_git(path, buf->buf, buf->len, buf, 0); + return 0; + default: + return -1; + } +} + +/* + * Update the preimage, and the common lines in postimage, + * from buffer buf of length len. If postlen is 0 the postimage + * is updated in place, otherwise it's updated on a new buffer + * of length postlen + */ + +static void update_pre_post_images(struct image *preimage, + struct image *postimage, + char *buf, + size_t len, size_t postlen) +{ + int i, ctx, reduced; + char *new, *old, *fixed; + struct image fixed_preimage; + + /* + * Update the preimage with whitespace fixes. Note that we + * are not losing preimage->buf -- apply_one_fragment() will + * free "oldlines". + */ + prepare_image(&fixed_preimage, buf, len, 1); + assert(postlen + ? fixed_preimage.nr == preimage->nr + : fixed_preimage.nr <= preimage->nr); + for (i = 0; i < fixed_preimage.nr; i++) + fixed_preimage.line[i].flag = preimage->line[i].flag; + free(preimage->line_allocated); + *preimage = fixed_preimage; + + /* + * Adjust the common context lines in postimage. This can be + * done in-place when we are shrinking it with whitespace + * fixing, but needs a new buffer when ignoring whitespace or + * expanding leading tabs to spaces. + * + * We trust the caller to tell us if the update can be done + * in place (postlen==0) or not. + */ + old = postimage->buf; + if (postlen) + new = postimage->buf = xmalloc(postlen); + else + new = old; + fixed = preimage->buf; + + for (i = reduced = ctx = 0; i < postimage->nr; i++) { + size_t l_len = postimage->line[i].len; + if (!(postimage->line[i].flag & LINE_COMMON)) { + /* an added line -- no counterparts in preimage */ + memmove(new, old, l_len); + old += l_len; + new += l_len; + continue; + } + + /* a common context -- skip it in the original postimage */ + old += l_len; + + /* and find the corresponding one in the fixed preimage */ + while (ctx < preimage->nr && + !(preimage->line[ctx].flag & LINE_COMMON)) { + fixed += preimage->line[ctx].len; + ctx++; + } + + /* + * preimage is expected to run out, if the caller + * fixed addition of trailing blank lines. + */ + if (preimage->nr <= ctx) { + reduced++; + continue; + } + + /* and copy it in, while fixing the line length */ + l_len = preimage->line[ctx].len; + memcpy(new, fixed, l_len); + new += l_len; + fixed += l_len; + postimage->line[i].len = l_len; + ctx++; + } + + if (postlen + ? postlen < new - postimage->buf + : postimage->len < new - postimage->buf) + die("BUG: caller miscounted postlen: asked %d, orig = %d, used = %d", + (int)postlen, (int) postimage->len, (int)(new - postimage->buf)); + + /* Fix the length of the whole thing */ + postimage->len = new - postimage->buf; + postimage->nr -= reduced; +} + +static int line_by_line_fuzzy_match(struct image *img, + struct image *preimage, + struct image *postimage, + unsigned long try, + int try_lno, + int preimage_limit) +{ + int i; + size_t imgoff = 0; + size_t preoff = 0; + size_t postlen = postimage->len; + size_t extra_chars; + char *buf; + char *preimage_eof; + char *preimage_end; + struct strbuf fixed; + char *fixed_buf; + size_t fixed_len; + + for (i = 0; i < preimage_limit; i++) { + size_t prelen = preimage->line[i].len; + size_t imglen = img->line[try_lno+i].len; + + if (!fuzzy_matchlines(img->buf + try + imgoff, imglen, + preimage->buf + preoff, prelen)) + return 0; + if (preimage->line[i].flag & LINE_COMMON) + postlen += imglen - prelen; + imgoff += imglen; + preoff += prelen; + } + + /* + * Ok, the preimage matches with whitespace fuzz. + * + * imgoff now holds the true length of the target that + * matches the preimage before the end of the file. + * + * Count the number of characters in the preimage that fall + * beyond the end of the file and make sure that all of them + * are whitespace characters. (This can only happen if + * we are removing blank lines at the end of the file.) + */ + buf = preimage_eof = preimage->buf + preoff; + for ( ; i < preimage->nr; i++) + preoff += preimage->line[i].len; + preimage_end = preimage->buf + preoff; + for ( ; buf < preimage_end; buf++) + if (!isspace(*buf)) + return 0; + + /* + * Update the preimage and the common postimage context + * lines to use the same whitespace as the target. + * If whitespace is missing in the target (i.e. + * if the preimage extends beyond the end of the file), + * use the whitespace from the preimage. + */ + extra_chars = preimage_end - preimage_eof; + strbuf_init(&fixed, imgoff + extra_chars); + strbuf_add(&fixed, img->buf + try, imgoff); + strbuf_add(&fixed, preimage_eof, extra_chars); + fixed_buf = strbuf_detach(&fixed, &fixed_len); + update_pre_post_images(preimage, postimage, + fixed_buf, fixed_len, postlen); + return 1; +} + +static int match_fragment(struct apply_state *state, + struct image *img, + struct image *preimage, + struct image *postimage, + unsigned long try, + int try_lno, + unsigned ws_rule, + int match_beginning, int match_end) +{ + int i; + char *fixed_buf, *buf, *orig, *target; + struct strbuf fixed; + size_t fixed_len, postlen; + int preimage_limit; + + if (preimage->nr + try_lno <= img->nr) { + /* + * The hunk falls within the boundaries of img. + */ + preimage_limit = preimage->nr; + if (match_end && (preimage->nr + try_lno != img->nr)) + return 0; + } else if (state->ws_error_action == correct_ws_error && + (ws_rule & WS_BLANK_AT_EOF)) { + /* + * This hunk extends beyond the end of img, and we are + * removing blank lines at the end of the file. This + * many lines from the beginning of the preimage must + * match with img, and the remainder of the preimage + * must be blank. + */ + preimage_limit = img->nr - try_lno; + } else { + /* + * The hunk extends beyond the end of the img and + * we are not removing blanks at the end, so we + * should reject the hunk at this position. + */ + return 0; + } + + if (match_beginning && try_lno) + return 0; + + /* Quick hash check */ + for (i = 0; i < preimage_limit; i++) + if ((img->line[try_lno + i].flag & LINE_PATCHED) || + (preimage->line[i].hash != img->line[try_lno + i].hash)) + return 0; + + if (preimage_limit == preimage->nr) { + /* + * Do we have an exact match? If we were told to match + * at the end, size must be exactly at try+fragsize, + * otherwise try+fragsize must be still within the preimage, + * and either case, the old piece should match the preimage + * exactly. + */ + if ((match_end + ? (try + preimage->len == img->len) + : (try + preimage->len <= img->len)) && + !memcmp(img->buf + try, preimage->buf, preimage->len)) + return 1; + } else { + /* + * The preimage extends beyond the end of img, so + * there cannot be an exact match. + * + * There must be one non-blank context line that match + * a line before the end of img. + */ + char *buf_end; + + buf = preimage->buf; + buf_end = buf; + for (i = 0; i < preimage_limit; i++) + buf_end += preimage->line[i].len; + + for ( ; buf < buf_end; buf++) + if (!isspace(*buf)) + break; + if (buf == buf_end) + return 0; + } + + /* + * No exact match. If we are ignoring whitespace, run a line-by-line + * fuzzy matching. We collect all the line length information because + * we need it to adjust whitespace if we match. + */ + if (state->ws_ignore_action == ignore_ws_change) + return line_by_line_fuzzy_match(img, preimage, postimage, + try, try_lno, preimage_limit); + + if (state->ws_error_action != correct_ws_error) + return 0; + + /* + * The hunk does not apply byte-by-byte, but the hash says + * it might with whitespace fuzz. We weren't asked to + * ignore whitespace, we were asked to correct whitespace + * errors, so let's try matching after whitespace correction. + * + * While checking the preimage against the target, whitespace + * errors in both fixed, we count how large the corresponding + * postimage needs to be. The postimage prepared by + * apply_one_fragment() has whitespace errors fixed on added + * lines already, but the common lines were propagated as-is, + * which may become longer when their whitespace errors are + * fixed. + */ + + /* First count added lines in postimage */ + postlen = 0; + for (i = 0; i < postimage->nr; i++) { + if (!(postimage->line[i].flag & LINE_COMMON)) + postlen += postimage->line[i].len; + } + + /* + * The preimage may extend beyond the end of the file, + * but in this loop we will only handle the part of the + * preimage that falls within the file. + */ + strbuf_init(&fixed, preimage->len + 1); + orig = preimage->buf; + target = img->buf + try; + for (i = 0; i < preimage_limit; i++) { + size_t oldlen = preimage->line[i].len; + size_t tgtlen = img->line[try_lno + i].len; + size_t fixstart = fixed.len; + struct strbuf tgtfix; + int match; + + /* Try fixing the line in the preimage */ + ws_fix_copy(&fixed, orig, oldlen, ws_rule, NULL); + + /* Try fixing the line in the target */ + strbuf_init(&tgtfix, tgtlen); + ws_fix_copy(&tgtfix, target, tgtlen, ws_rule, NULL); + + /* + * If they match, either the preimage was based on + * a version before our tree fixed whitespace breakage, + * or we are lacking a whitespace-fix patch the tree + * the preimage was based on already had (i.e. target + * has whitespace breakage, the preimage doesn't). + * In either case, we are fixing the whitespace breakages + * so we might as well take the fix together with their + * real change. + */ + match = (tgtfix.len == fixed.len - fixstart && + !memcmp(tgtfix.buf, fixed.buf + fixstart, + fixed.len - fixstart)); + + /* Add the length if this is common with the postimage */ + if (preimage->line[i].flag & LINE_COMMON) + postlen += tgtfix.len; + + strbuf_release(&tgtfix); + if (!match) + goto unmatch_exit; + + orig += oldlen; + target += tgtlen; + } + + + /* + * Now handle the lines in the preimage that falls beyond the + * end of the file (if any). They will only match if they are + * empty or only contain whitespace (if WS_BLANK_AT_EOL is + * false). + */ + for ( ; i < preimage->nr; i++) { + size_t fixstart = fixed.len; /* start of the fixed preimage */ + size_t oldlen = preimage->line[i].len; + int j; + + /* Try fixing the line in the preimage */ + ws_fix_copy(&fixed, orig, oldlen, ws_rule, NULL); + + for (j = fixstart; j < fixed.len; j++) + if (!isspace(fixed.buf[j])) + goto unmatch_exit; + + orig += oldlen; + } + + /* + * Yes, the preimage is based on an older version that still + * has whitespace breakages unfixed, and fixing them makes the + * hunk match. Update the context lines in the postimage. + */ + fixed_buf = strbuf_detach(&fixed, &fixed_len); + if (postlen < postimage->len) + postlen = 0; + update_pre_post_images(preimage, postimage, + fixed_buf, fixed_len, postlen); + return 1; + + unmatch_exit: + strbuf_release(&fixed); + return 0; +} + +static int find_pos(struct apply_state *state, + struct image *img, + struct image *preimage, + struct image *postimage, + int line, + unsigned ws_rule, + int match_beginning, int match_end) +{ + int i; + unsigned long backwards, forwards, try; + int backwards_lno, forwards_lno, try_lno; + + /* + * If match_beginning or match_end is specified, there is no + * point starting from a wrong line that will never match and + * wander around and wait for a match at the specified end. + */ + if (match_beginning) + line = 0; + else if (match_end) + line = img->nr - preimage->nr; + + /* + * Because the comparison is unsigned, the following test + * will also take care of a negative line number that can + * result when match_end and preimage is larger than the target. + */ + if ((size_t) line > img->nr) + line = img->nr; + + try = 0; + for (i = 0; i < line; i++) + try += img->line[i].len; + + /* + * There's probably some smart way to do this, but I'll leave + * that to the smart and beautiful people. I'm simple and stupid. + */ + backwards = try; + backwards_lno = line; + forwards = try; + forwards_lno = line; + try_lno = line; + + for (i = 0; ; i++) { + if (match_fragment(state, img, preimage, postimage, + try, try_lno, ws_rule, + match_beginning, match_end)) + return try_lno; + + again: + if (backwards_lno == 0 && forwards_lno == img->nr) + break; + + if (i & 1) { + if (backwards_lno == 0) { + i++; + goto again; + } + backwards_lno--; + backwards -= img->line[backwards_lno].len; + try = backwards; + try_lno = backwards_lno; + } else { + if (forwards_lno == img->nr) { + i++; + goto again; + } + forwards += img->line[forwards_lno].len; + forwards_lno++; + try = forwards; + try_lno = forwards_lno; + } + + } + return -1; +} + +static void remove_first_line(struct image *img) +{ + img->buf += img->line[0].len; + img->len -= img->line[0].len; + img->line++; + img->nr--; +} + +static void remove_last_line(struct image *img) +{ + img->len -= img->line[--img->nr].len; +} + +/* + * The change from "preimage" and "postimage" has been found to + * apply at applied_pos (counts in line numbers) in "img". + * Update "img" to remove "preimage" and replace it with "postimage". + */ +static void update_image(struct apply_state *state, + struct image *img, + int applied_pos, + struct image *preimage, + struct image *postimage) +{ + /* + * remove the copy of preimage at offset in img + * and replace it with postimage + */ + int i, nr; + size_t remove_count, insert_count, applied_at = 0; + char *result; + int preimage_limit; + + /* + * If we are removing blank lines at the end of img, + * the preimage may extend beyond the end. + * If that is the case, we must be careful only to + * remove the part of the preimage that falls within + * the boundaries of img. Initialize preimage_limit + * to the number of lines in the preimage that falls + * within the boundaries. + */ + preimage_limit = preimage->nr; + if (preimage_limit > img->nr - applied_pos) + preimage_limit = img->nr - applied_pos; + + for (i = 0; i < applied_pos; i++) + applied_at += img->line[i].len; + + remove_count = 0; + for (i = 0; i < preimage_limit; i++) + remove_count += img->line[applied_pos + i].len; + insert_count = postimage->len; + + /* Adjust the contents */ + result = xmalloc(st_add3(st_sub(img->len, remove_count), insert_count, 1)); + memcpy(result, img->buf, applied_at); + memcpy(result + applied_at, postimage->buf, postimage->len); + memcpy(result + applied_at + postimage->len, + img->buf + (applied_at + remove_count), + img->len - (applied_at + remove_count)); + free(img->buf); + img->buf = result; + img->len += insert_count - remove_count; + result[img->len] = '\0'; + + /* Adjust the line table */ + nr = img->nr + postimage->nr - preimage_limit; + if (preimage_limit < postimage->nr) { + /* + * NOTE: this knows that we never call remove_first_line() + * on anything other than pre/post image. + */ + REALLOC_ARRAY(img->line, nr); + img->line_allocated = img->line; + } + if (preimage_limit != postimage->nr) + memmove(img->line + applied_pos + postimage->nr, + img->line + applied_pos + preimage_limit, + (img->nr - (applied_pos + preimage_limit)) * + sizeof(*img->line)); + memcpy(img->line + applied_pos, + postimage->line, + postimage->nr * sizeof(*img->line)); + if (!state->allow_overlap) + for (i = 0; i < postimage->nr; i++) + img->line[applied_pos + i].flag |= LINE_PATCHED; + img->nr = nr; +} + +/* + * Use the patch-hunk text in "frag" to prepare two images (preimage and + * postimage) for the hunk. Find lines that match "preimage" in "img" and + * replace the part of "img" with "postimage" text. + */ +static int apply_one_fragment(struct apply_state *state, + struct image *img, struct fragment *frag, + int inaccurate_eof, unsigned ws_rule, + int nth_fragment) +{ + int match_beginning, match_end; + const char *patch = frag->patch; + int size = frag->size; + char *old, *oldlines; + struct strbuf newlines; + int new_blank_lines_at_end = 0; + int found_new_blank_lines_at_end = 0; + int hunk_linenr = frag->linenr; + unsigned long leading, trailing; + int pos, applied_pos; + struct image preimage; + struct image postimage; + + memset(&preimage, 0, sizeof(preimage)); + memset(&postimage, 0, sizeof(postimage)); + oldlines = xmalloc(size); + strbuf_init(&newlines, size); + + old = oldlines; + while (size > 0) { + char first; + int len = linelen(patch, size); + int plen; + int added_blank_line = 0; + int is_blank_context = 0; + size_t start; + + if (!len) + break; + + /* + * "plen" is how much of the line we should use for + * the actual patch data. Normally we just remove the + * first character on the line, but if the line is + * followed by "\ No newline", then we also remove the + * last one (which is the newline, of course). + */ + plen = len - 1; + if (len < size && patch[len] == '\\') + plen--; + first = *patch; + if (state->apply_in_reverse) { + if (first == '-') + first = '+'; + else if (first == '+') + first = '-'; + } + + switch (first) { + case '\n': + /* Newer GNU diff, empty context line */ + if (plen < 0) + /* ... followed by '\No newline'; nothing */ + break; + *old++ = '\n'; + strbuf_addch(&newlines, '\n'); + add_line_info(&preimage, "\n", 1, LINE_COMMON); + add_line_info(&postimage, "\n", 1, LINE_COMMON); + is_blank_context = 1; + break; + case ' ': + if (plen && (ws_rule & WS_BLANK_AT_EOF) && + ws_blank_line(patch + 1, plen, ws_rule)) + is_blank_context = 1; + case '-': + memcpy(old, patch + 1, plen); + add_line_info(&preimage, old, plen, + (first == ' ' ? LINE_COMMON : 0)); + old += plen; + if (first == '-') + break; + /* Fall-through for ' ' */ + case '+': + /* --no-add does not add new lines */ + if (first == '+' && state->no_add) + break; + + start = newlines.len; + if (first != '+' || + !state->whitespace_error || + state->ws_error_action != correct_ws_error) { + strbuf_add(&newlines, patch + 1, plen); + } + else { + ws_fix_copy(&newlines, patch + 1, plen, ws_rule, &state->applied_after_fixing_ws); + } + add_line_info(&postimage, newlines.buf + start, newlines.len - start, + (first == '+' ? 0 : LINE_COMMON)); + if (first == '+' && + (ws_rule & WS_BLANK_AT_EOF) && + ws_blank_line(patch + 1, plen, ws_rule)) + added_blank_line = 1; + break; + case '@': case '\\': + /* Ignore it, we already handled it */ + break; + default: + if (state->apply_verbosity > verbosity_normal) + error(_("invalid start of line: '%c'"), first); + applied_pos = -1; + goto out; + } + if (added_blank_line) { + if (!new_blank_lines_at_end) + found_new_blank_lines_at_end = hunk_linenr; + new_blank_lines_at_end++; + } + else if (is_blank_context) + ; + else + new_blank_lines_at_end = 0; + patch += len; + size -= len; + hunk_linenr++; + } + if (inaccurate_eof && + old > oldlines && old[-1] == '\n' && + newlines.len > 0 && newlines.buf[newlines.len - 1] == '\n') { + old--; + strbuf_setlen(&newlines, newlines.len - 1); + } + + leading = frag->leading; + trailing = frag->trailing; + + /* + * A hunk to change lines at the beginning would begin with + * @@ -1,L +N,M @@ + * but we need to be careful. -U0 that inserts before the second + * line also has this pattern. + * + * And a hunk to add to an empty file would begin with + * @@ -0,0 +N,M @@ + * + * In other words, a hunk that is (frag->oldpos <= 1) with or + * without leading context must match at the beginning. + */ + match_beginning = (!frag->oldpos || + (frag->oldpos == 1 && !state->unidiff_zero)); + + /* + * A hunk without trailing lines must match at the end. + * However, we simply cannot tell if a hunk must match end + * from the lack of trailing lines if the patch was generated + * with unidiff without any context. + */ + match_end = !state->unidiff_zero && !trailing; + + pos = frag->newpos ? (frag->newpos - 1) : 0; + preimage.buf = oldlines; + preimage.len = old - oldlines; + postimage.buf = newlines.buf; + postimage.len = newlines.len; + preimage.line = preimage.line_allocated; + postimage.line = postimage.line_allocated; + + for (;;) { + + applied_pos = find_pos(state, img, &preimage, &postimage, pos, + ws_rule, match_beginning, match_end); + + if (applied_pos >= 0) + break; + + /* Am I at my context limits? */ + if ((leading <= state->p_context) && (trailing <= state->p_context)) + break; + if (match_beginning || match_end) { + match_beginning = match_end = 0; + continue; + } + + /* + * Reduce the number of context lines; reduce both + * leading and trailing if they are equal otherwise + * just reduce the larger context. + */ + if (leading >= trailing) { + remove_first_line(&preimage); + remove_first_line(&postimage); + pos--; + leading--; + } + if (trailing > leading) { + remove_last_line(&preimage); + remove_last_line(&postimage); + trailing--; + } + } + + if (applied_pos >= 0) { + if (new_blank_lines_at_end && + preimage.nr + applied_pos >= img->nr && + (ws_rule & WS_BLANK_AT_EOF) && + state->ws_error_action != nowarn_ws_error) { + record_ws_error(state, WS_BLANK_AT_EOF, "+", 1, + found_new_blank_lines_at_end); + if (state->ws_error_action == correct_ws_error) { + while (new_blank_lines_at_end--) + remove_last_line(&postimage); + } + /* + * We would want to prevent write_out_results() + * from taking place in apply_patch() that follows + * the callchain led us here, which is: + * apply_patch->check_patch_list->check_patch-> + * apply_data->apply_fragments->apply_one_fragment + */ + if (state->ws_error_action == die_on_ws_error) + state->apply = 0; + } + + if (state->apply_verbosity > verbosity_normal && applied_pos != pos) { + int offset = applied_pos - pos; + if (state->apply_in_reverse) + offset = 0 - offset; + fprintf_ln(stderr, + Q_("Hunk #%d succeeded at %d (offset %d line).", + "Hunk #%d succeeded at %d (offset %d lines).", + offset), + nth_fragment, applied_pos + 1, offset); + } + + /* + * Warn if it was necessary to reduce the number + * of context lines. + */ + if ((leading != frag->leading || + trailing != frag->trailing) && state->apply_verbosity > verbosity_silent) + fprintf_ln(stderr, _("Context reduced to (%ld/%ld)" + " to apply fragment at %d"), + leading, trailing, applied_pos+1); + update_image(state, img, applied_pos, &preimage, &postimage); + } else { + if (state->apply_verbosity > verbosity_normal) + error(_("while searching for:\n%.*s"), + (int)(old - oldlines), oldlines); + } + +out: + free(oldlines); + strbuf_release(&newlines); + free(preimage.line_allocated); + free(postimage.line_allocated); + + return (applied_pos < 0); +} + +static int apply_binary_fragment(struct apply_state *state, + struct image *img, + struct patch *patch) +{ + struct fragment *fragment = patch->fragments; + unsigned long len; + void *dst; + + if (!fragment) + return error(_("missing binary patch data for '%s'"), + patch->new_name ? + patch->new_name : + patch->old_name); + + /* Binary patch is irreversible without the optional second hunk */ + if (state->apply_in_reverse) { + if (!fragment->next) + return error("cannot reverse-apply a binary patch " + "without the reverse hunk to '%s'", + patch->new_name + ? patch->new_name : patch->old_name); + fragment = fragment->next; + } + switch (fragment->binary_patch_method) { + case BINARY_DELTA_DEFLATED: + dst = patch_delta(img->buf, img->len, fragment->patch, + fragment->size, &len); + if (!dst) + return -1; + clear_image(img); + img->buf = dst; + img->len = len; + return 0; + case BINARY_LITERAL_DEFLATED: + clear_image(img); + img->len = fragment->size; + img->buf = xmemdupz(fragment->patch, img->len); + return 0; + } + return -1; +} + +/* + * Replace "img" with the result of applying the binary patch. + * The binary patch data itself in patch->fragment is still kept + * but the preimage prepared by the caller in "img" is freed here + * or in the helper function apply_binary_fragment() this calls. + */ +static int apply_binary(struct apply_state *state, + struct image *img, + struct patch *patch) +{ + const char *name = patch->old_name ? patch->old_name : patch->new_name; + struct object_id oid; + + /* + * For safety, we require patch index line to contain + * full 40-byte textual SHA1 for old and new, at least for now. + */ + if (strlen(patch->old_sha1_prefix) != 40 || + strlen(patch->new_sha1_prefix) != 40 || + get_oid_hex(patch->old_sha1_prefix, &oid) || + get_oid_hex(patch->new_sha1_prefix, &oid)) + return error("cannot apply binary patch to '%s' " + "without full index line", name); + + if (patch->old_name) { + /* + * See if the old one matches what the patch + * applies to. + */ + hash_sha1_file(img->buf, img->len, blob_type, oid.hash); + if (strcmp(oid_to_hex(&oid), patch->old_sha1_prefix)) + return error("the patch applies to '%s' (%s), " + "which does not match the " + "current contents.", + name, oid_to_hex(&oid)); + } + else { + /* Otherwise, the old one must be empty. */ + if (img->len) + return error("the patch applies to an empty " + "'%s' but it is not empty", name); + } + + get_oid_hex(patch->new_sha1_prefix, &oid); + if (is_null_oid(&oid)) { + clear_image(img); + return 0; /* deletion patch */ + } + + if (has_sha1_file(oid.hash)) { + /* We already have the postimage */ + enum object_type type; + unsigned long size; + char *result; + + result = read_sha1_file(oid.hash, &type, &size); + if (!result) + return error("the necessary postimage %s for " + "'%s' cannot be read", + patch->new_sha1_prefix, name); + clear_image(img); + img->buf = result; + img->len = size; + } else { + /* + * We have verified buf matches the preimage; + * apply the patch data to it, which is stored + * in the patch->fragments->{patch,size}. + */ + if (apply_binary_fragment(state, img, patch)) + return error(_("binary patch does not apply to '%s'"), + name); + + /* verify that the result matches */ + hash_sha1_file(img->buf, img->len, blob_type, oid.hash); + if (strcmp(oid_to_hex(&oid), patch->new_sha1_prefix)) + return error(_("binary patch to '%s' creates incorrect result (expecting %s, got %s)"), + name, patch->new_sha1_prefix, oid_to_hex(&oid)); + } + + return 0; +} + +static int apply_fragments(struct apply_state *state, struct image *img, struct patch *patch) +{ + struct fragment *frag = patch->fragments; + const char *name = patch->old_name ? patch->old_name : patch->new_name; + unsigned ws_rule = patch->ws_rule; + unsigned inaccurate_eof = patch->inaccurate_eof; + int nth = 0; + + if (patch->is_binary) + return apply_binary(state, img, patch); + + while (frag) { + nth++; + if (apply_one_fragment(state, img, frag, inaccurate_eof, ws_rule, nth)) { + error(_("patch failed: %s:%ld"), name, frag->oldpos); + if (!state->apply_with_reject) + return -1; + frag->rejected = 1; + } + frag = frag->next; + } + return 0; +} + +static int read_blob_object(struct strbuf *buf, const struct object_id *oid, unsigned mode) +{ + if (S_ISGITLINK(mode)) { + strbuf_grow(buf, 100); + strbuf_addf(buf, "Subproject commit %s\n", oid_to_hex(oid)); + } else { + enum object_type type; + unsigned long sz; + char *result; + + result = read_sha1_file(oid->hash, &type, &sz); + if (!result) + return -1; + /* XXX read_sha1_file NUL-terminates */ + strbuf_attach(buf, result, sz, sz + 1); + } + return 0; +} + +static int read_file_or_gitlink(const struct cache_entry *ce, struct strbuf *buf) +{ + if (!ce) + return 0; + return read_blob_object(buf, &ce->oid, ce->ce_mode); +} + +static struct patch *in_fn_table(struct apply_state *state, const char *name) +{ + struct string_list_item *item; + + if (name == NULL) + return NULL; + + item = string_list_lookup(&state->fn_table, name); + if (item != NULL) + return (struct patch *)item->util; + + return NULL; +} + +/* + * item->util in the filename table records the status of the path. + * Usually it points at a patch (whose result records the contents + * of it after applying it), but it could be PATH_WAS_DELETED for a + * path that a previously applied patch has already removed, or + * PATH_TO_BE_DELETED for a path that a later patch would remove. + * + * The latter is needed to deal with a case where two paths A and B + * are swapped by first renaming A to B and then renaming B to A; + * moving A to B should not be prevented due to presence of B as we + * will remove it in a later patch. + */ +#define PATH_TO_BE_DELETED ((struct patch *) -2) +#define PATH_WAS_DELETED ((struct patch *) -1) + +static int to_be_deleted(struct patch *patch) +{ + return patch == PATH_TO_BE_DELETED; +} + +static int was_deleted(struct patch *patch) +{ + return patch == PATH_WAS_DELETED; +} + +static void add_to_fn_table(struct apply_state *state, struct patch *patch) +{ + struct string_list_item *item; + + /* + * Always add new_name unless patch is a deletion + * This should cover the cases for normal diffs, + * file creations and copies + */ + if (patch->new_name != NULL) { + item = string_list_insert(&state->fn_table, patch->new_name); + item->util = patch; + } + + /* + * store a failure on rename/deletion cases because + * later chunks shouldn't patch old names + */ + if ((patch->new_name == NULL) || (patch->is_rename)) { + item = string_list_insert(&state->fn_table, patch->old_name); + item->util = PATH_WAS_DELETED; + } +} + +static void prepare_fn_table(struct apply_state *state, struct patch *patch) +{ + /* + * store information about incoming file deletion + */ + while (patch) { + if ((patch->new_name == NULL) || (patch->is_rename)) { + struct string_list_item *item; + item = string_list_insert(&state->fn_table, patch->old_name); + item->util = PATH_TO_BE_DELETED; + } + patch = patch->next; + } +} + +static int checkout_target(struct index_state *istate, + struct cache_entry *ce, struct stat *st) +{ + struct checkout costate; + + memset(&costate, 0, sizeof(costate)); + costate.base_dir = ""; + costate.refresh_cache = 1; + costate.istate = istate; + if (checkout_entry(ce, &costate, NULL) || lstat(ce->name, st)) + return error(_("cannot checkout %s"), ce->name); + return 0; +} + +static struct patch *previous_patch(struct apply_state *state, + struct patch *patch, + int *gone) +{ + struct patch *previous; + + *gone = 0; + if (patch->is_copy || patch->is_rename) + return NULL; /* "git" patches do not depend on the order */ + + previous = in_fn_table(state, patch->old_name); + if (!previous) + return NULL; + + if (to_be_deleted(previous)) + return NULL; /* the deletion hasn't happened yet */ + + if (was_deleted(previous)) + *gone = 1; + + return previous; +} + +static int verify_index_match(const struct cache_entry *ce, struct stat *st) +{ + if (S_ISGITLINK(ce->ce_mode)) { + if (!S_ISDIR(st->st_mode)) + return -1; + return 0; + } + return ce_match_stat(ce, st, CE_MATCH_IGNORE_VALID|CE_MATCH_IGNORE_SKIP_WORKTREE); +} + +#define SUBMODULE_PATCH_WITHOUT_INDEX 1 + +static int load_patch_target(struct apply_state *state, + struct strbuf *buf, + const struct cache_entry *ce, + struct stat *st, + const char *name, + unsigned expected_mode) +{ + if (state->cached || state->check_index) { + if (read_file_or_gitlink(ce, buf)) + return error(_("failed to read %s"), name); + } else if (name) { + if (S_ISGITLINK(expected_mode)) { + if (ce) + return read_file_or_gitlink(ce, buf); + else + return SUBMODULE_PATCH_WITHOUT_INDEX; + } else if (has_symlink_leading_path(name, strlen(name))) { + return error(_("reading from '%s' beyond a symbolic link"), name); + } else { + if (read_old_data(st, name, buf)) + return error(_("failed to read %s"), name); + } + } + return 0; +} + +/* + * We are about to apply "patch"; populate the "image" with the + * current version we have, from the working tree or from the index, + * depending on the situation e.g. --cached/--index. If we are + * applying a non-git patch that incrementally updates the tree, + * we read from the result of a previous diff. + */ +static int load_preimage(struct apply_state *state, + struct image *image, + struct patch *patch, struct stat *st, + const struct cache_entry *ce) +{ + struct strbuf buf = STRBUF_INIT; + size_t len; + char *img; + struct patch *previous; + int status; + + previous = previous_patch(state, patch, &status); + if (status) + return error(_("path %s has been renamed/deleted"), + patch->old_name); + if (previous) { + /* We have a patched copy in memory; use that. */ + strbuf_add(&buf, previous->result, previous->resultsize); + } else { + status = load_patch_target(state, &buf, ce, st, + patch->old_name, patch->old_mode); + if (status < 0) + return status; + else if (status == SUBMODULE_PATCH_WITHOUT_INDEX) { + /* + * There is no way to apply subproject + * patch without looking at the index. + * NEEDSWORK: shouldn't this be flagged + * as an error??? + */ + free_fragment_list(patch->fragments); + patch->fragments = NULL; + } else if (status) { + return error(_("failed to read %s"), patch->old_name); + } + } + + img = strbuf_detach(&buf, &len); + prepare_image(image, img, len, !patch->is_binary); + return 0; +} + +static int three_way_merge(struct image *image, + char *path, + const struct object_id *base, + const struct object_id *ours, + const struct object_id *theirs) +{ + mmfile_t base_file, our_file, their_file; + mmbuffer_t result = { NULL }; + int status; + + read_mmblob(&base_file, base); + read_mmblob(&our_file, ours); + read_mmblob(&their_file, theirs); + status = ll_merge(&result, path, + &base_file, "base", + &our_file, "ours", + &their_file, "theirs", NULL); + free(base_file.ptr); + free(our_file.ptr); + free(their_file.ptr); + if (status < 0 || !result.ptr) { + free(result.ptr); + return -1; + } + clear_image(image); + image->buf = result.ptr; + image->len = result.size; + + return status; +} + +/* + * When directly falling back to add/add three-way merge, we read from + * the current contents of the new_name. In no cases other than that + * this function will be called. + */ +static int load_current(struct apply_state *state, + struct image *image, + struct patch *patch) +{ + struct strbuf buf = STRBUF_INIT; + int status, pos; + size_t len; + char *img; + struct stat st; + struct cache_entry *ce; + char *name = patch->new_name; + unsigned mode = patch->new_mode; + + if (!patch->is_new) + die("BUG: patch to %s is not a creation", patch->old_name); + + pos = cache_name_pos(name, strlen(name)); + if (pos < 0) + return error(_("%s: does not exist in index"), name); + ce = active_cache[pos]; + if (lstat(name, &st)) { + if (errno != ENOENT) + return error_errno("%s", name); + if (checkout_target(&the_index, ce, &st)) + return -1; + } + if (verify_index_match(ce, &st)) + return error(_("%s: does not match index"), name); + + status = load_patch_target(state, &buf, ce, &st, name, mode); + if (status < 0) + return status; + else if (status) + return -1; + img = strbuf_detach(&buf, &len); + prepare_image(image, img, len, !patch->is_binary); + return 0; +} + +static int try_threeway(struct apply_state *state, + struct image *image, + struct patch *patch, + struct stat *st, + const struct cache_entry *ce) +{ + struct object_id pre_oid, post_oid, our_oid; + struct strbuf buf = STRBUF_INIT; + size_t len; + int status; + char *img; + struct image tmp_image; + + /* No point falling back to 3-way merge in these cases */ + if (patch->is_delete || + S_ISGITLINK(patch->old_mode) || S_ISGITLINK(patch->new_mode)) + return -1; + + /* Preimage the patch was prepared for */ + if (patch->is_new) + write_sha1_file("", 0, blob_type, pre_oid.hash); + else if (get_sha1(patch->old_sha1_prefix, pre_oid.hash) || + read_blob_object(&buf, &pre_oid, patch->old_mode)) + return error("repository lacks the necessary blob to fall back on 3-way merge."); + + if (state->apply_verbosity > verbosity_silent) + fprintf(stderr, "Falling back to three-way merge...\n"); + + img = strbuf_detach(&buf, &len); + prepare_image(&tmp_image, img, len, 1); + /* Apply the patch to get the post image */ + if (apply_fragments(state, &tmp_image, patch) < 0) { + clear_image(&tmp_image); + return -1; + } + /* post_oid is theirs */ + write_sha1_file(tmp_image.buf, tmp_image.len, blob_type, post_oid.hash); + clear_image(&tmp_image); + + /* our_oid is ours */ + if (patch->is_new) { + if (load_current(state, &tmp_image, patch)) + return error("cannot read the current contents of '%s'", + patch->new_name); + } else { + if (load_preimage(state, &tmp_image, patch, st, ce)) + return error("cannot read the current contents of '%s'", + patch->old_name); + } + write_sha1_file(tmp_image.buf, tmp_image.len, blob_type, our_oid.hash); + clear_image(&tmp_image); + + /* in-core three-way merge between post and our using pre as base */ + status = three_way_merge(image, patch->new_name, + &pre_oid, &our_oid, &post_oid); + if (status < 0) { + if (state->apply_verbosity > verbosity_silent) + fprintf(stderr, + "Failed to fall back on three-way merge...\n"); + return status; + } + + if (status) { + patch->conflicted_threeway = 1; + if (patch->is_new) + oidclr(&patch->threeway_stage[0]); + else + oidcpy(&patch->threeway_stage[0], &pre_oid); + oidcpy(&patch->threeway_stage[1], &our_oid); + oidcpy(&patch->threeway_stage[2], &post_oid); + if (state->apply_verbosity > verbosity_silent) + fprintf(stderr, + "Applied patch to '%s' with conflicts.\n", + patch->new_name); + } else { + if (state->apply_verbosity > verbosity_silent) + fprintf(stderr, + "Applied patch to '%s' cleanly.\n", + patch->new_name); + } + return 0; +} + +static int apply_data(struct apply_state *state, struct patch *patch, + struct stat *st, const struct cache_entry *ce) +{ + struct image image; + + if (load_preimage(state, &image, patch, st, ce) < 0) + return -1; + + if (patch->direct_to_threeway || + apply_fragments(state, &image, patch) < 0) { + /* Note: with --reject, apply_fragments() returns 0 */ + if (!state->threeway || try_threeway(state, &image, patch, st, ce) < 0) + return -1; + } + patch->result = image.buf; + patch->resultsize = image.len; + add_to_fn_table(state, patch); + free(image.line_allocated); + + if (0 < patch->is_delete && patch->resultsize) + return error(_("removal patch leaves file contents")); + + return 0; +} + +/* + * If "patch" that we are looking at modifies or deletes what we have, + * we would want it not to lose any local modification we have, either + * in the working tree or in the index. + * + * This also decides if a non-git patch is a creation patch or a + * modification to an existing empty file. We do not check the state + * of the current tree for a creation patch in this function; the caller + * check_patch() separately makes sure (and errors out otherwise) that + * the path the patch creates does not exist in the current tree. + */ +static int check_preimage(struct apply_state *state, + struct patch *patch, + struct cache_entry **ce, + struct stat *st) +{ + const char *old_name = patch->old_name; + struct patch *previous = NULL; + int stat_ret = 0, status; + unsigned st_mode = 0; + + if (!old_name) + return 0; + + assert(patch->is_new <= 0); + previous = previous_patch(state, patch, &status); + + if (status) + return error(_("path %s has been renamed/deleted"), old_name); + if (previous) { + st_mode = previous->new_mode; + } else if (!state->cached) { + stat_ret = lstat(old_name, st); + if (stat_ret && errno != ENOENT) + return error_errno("%s", old_name); + } + + if (state->check_index && !previous) { + int pos = cache_name_pos(old_name, strlen(old_name)); + if (pos < 0) { + if (patch->is_new < 0) + goto is_new; + return error(_("%s: does not exist in index"), old_name); + } + *ce = active_cache[pos]; + if (stat_ret < 0) { + if (checkout_target(&the_index, *ce, st)) + return -1; + } + if (!state->cached && verify_index_match(*ce, st)) + return error(_("%s: does not match index"), old_name); + if (state->cached) + st_mode = (*ce)->ce_mode; + } else if (stat_ret < 0) { + if (patch->is_new < 0) + goto is_new; + return error_errno("%s", old_name); + } + + if (!state->cached && !previous) + st_mode = ce_mode_from_stat(*ce, st->st_mode); + + if (patch->is_new < 0) + patch->is_new = 0; + if (!patch->old_mode) + patch->old_mode = st_mode; + if ((st_mode ^ patch->old_mode) & S_IFMT) + return error(_("%s: wrong type"), old_name); + if (st_mode != patch->old_mode) + warning(_("%s has type %o, expected %o"), + old_name, st_mode, patch->old_mode); + if (!patch->new_mode && !patch->is_delete) + patch->new_mode = st_mode; + return 0; + + is_new: + patch->is_new = 1; + patch->is_delete = 0; + free(patch->old_name); + patch->old_name = NULL; + return 0; +} + + +#define EXISTS_IN_INDEX 1 +#define EXISTS_IN_WORKTREE 2 + +static int check_to_create(struct apply_state *state, + const char *new_name, + int ok_if_exists) +{ + struct stat nst; + + if (state->check_index && + cache_name_pos(new_name, strlen(new_name)) >= 0 && + !ok_if_exists) + return EXISTS_IN_INDEX; + if (state->cached) + return 0; + + if (!lstat(new_name, &nst)) { + if (S_ISDIR(nst.st_mode) || ok_if_exists) + return 0; + /* + * A leading component of new_name might be a symlink + * that is going to be removed with this patch, but + * still pointing at somewhere that has the path. + * In such a case, path "new_name" does not exist as + * far as git is concerned. + */ + if (has_symlink_leading_path(new_name, strlen(new_name))) + return 0; + + return EXISTS_IN_WORKTREE; + } else if ((errno != ENOENT) && (errno != ENOTDIR)) { + return error_errno("%s", new_name); + } + return 0; +} + +static uintptr_t register_symlink_changes(struct apply_state *state, + const char *path, + uintptr_t what) +{ + struct string_list_item *ent; + + ent = string_list_lookup(&state->symlink_changes, path); + if (!ent) { + ent = string_list_insert(&state->symlink_changes, path); + ent->util = (void *)0; + } + ent->util = (void *)(what | ((uintptr_t)ent->util)); + return (uintptr_t)ent->util; +} + +static uintptr_t check_symlink_changes(struct apply_state *state, const char *path) +{ + struct string_list_item *ent; + + ent = string_list_lookup(&state->symlink_changes, path); + if (!ent) + return 0; + return (uintptr_t)ent->util; +} + +static void prepare_symlink_changes(struct apply_state *state, struct patch *patch) +{ + for ( ; patch; patch = patch->next) { + if ((patch->old_name && S_ISLNK(patch->old_mode)) && + (patch->is_rename || patch->is_delete)) + /* the symlink at patch->old_name is removed */ + register_symlink_changes(state, patch->old_name, APPLY_SYMLINK_GOES_AWAY); + + if (patch->new_name && S_ISLNK(patch->new_mode)) + /* the symlink at patch->new_name is created or remains */ + register_symlink_changes(state, patch->new_name, APPLY_SYMLINK_IN_RESULT); + } +} + +static int path_is_beyond_symlink_1(struct apply_state *state, struct strbuf *name) +{ + do { + unsigned int change; + + while (--name->len && name->buf[name->len] != '/') + ; /* scan backwards */ + if (!name->len) + break; + name->buf[name->len] = '\0'; + change = check_symlink_changes(state, name->buf); + if (change & APPLY_SYMLINK_IN_RESULT) + return 1; + if (change & APPLY_SYMLINK_GOES_AWAY) + /* + * This cannot be "return 0", because we may + * see a new one created at a higher level. + */ + continue; + + /* otherwise, check the preimage */ + if (state->check_index) { + struct cache_entry *ce; + + ce = cache_file_exists(name->buf, name->len, ignore_case); + if (ce && S_ISLNK(ce->ce_mode)) + return 1; + } else { + struct stat st; + if (!lstat(name->buf, &st) && S_ISLNK(st.st_mode)) + return 1; + } + } while (1); + return 0; +} + +static int path_is_beyond_symlink(struct apply_state *state, const char *name_) +{ + int ret; + struct strbuf name = STRBUF_INIT; + + assert(*name_ != '\0'); + strbuf_addstr(&name, name_); + ret = path_is_beyond_symlink_1(state, &name); + strbuf_release(&name); + + return ret; +} + +static int check_unsafe_path(struct patch *patch) +{ + const char *old_name = NULL; + const char *new_name = NULL; + if (patch->is_delete) + old_name = patch->old_name; + else if (!patch->is_new && !patch->is_copy) + old_name = patch->old_name; + if (!patch->is_delete) + new_name = patch->new_name; + + if (old_name && !verify_path(old_name)) + return error(_("invalid path '%s'"), old_name); + if (new_name && !verify_path(new_name)) + return error(_("invalid path '%s'"), new_name); + return 0; +} + +/* + * Check and apply the patch in-core; leave the result in patch->result + * for the caller to write it out to the final destination. + */ +static int check_patch(struct apply_state *state, struct patch *patch) +{ + struct stat st; + const char *old_name = patch->old_name; + const char *new_name = patch->new_name; + const char *name = old_name ? old_name : new_name; + struct cache_entry *ce = NULL; + struct patch *tpatch; + int ok_if_exists; + int status; + + patch->rejected = 1; /* we will drop this after we succeed */ + + status = check_preimage(state, patch, &ce, &st); + if (status) + return status; + old_name = patch->old_name; + + /* + * A type-change diff is always split into a patch to delete + * old, immediately followed by a patch to create new (see + * diff.c::run_diff()); in such a case it is Ok that the entry + * to be deleted by the previous patch is still in the working + * tree and in the index. + * + * A patch to swap-rename between A and B would first rename A + * to B and then rename B to A. While applying the first one, + * the presence of B should not stop A from getting renamed to + * B; ask to_be_deleted() about the later rename. Removal of + * B and rename from A to B is handled the same way by asking + * was_deleted(). + */ + if ((tpatch = in_fn_table(state, new_name)) && + (was_deleted(tpatch) || to_be_deleted(tpatch))) + ok_if_exists = 1; + else + ok_if_exists = 0; + + if (new_name && + ((0 < patch->is_new) || patch->is_rename || patch->is_copy)) { + int err = check_to_create(state, new_name, ok_if_exists); + + if (err && state->threeway) { + patch->direct_to_threeway = 1; + } else switch (err) { + case 0: + break; /* happy */ + case EXISTS_IN_INDEX: + return error(_("%s: already exists in index"), new_name); + break; + case EXISTS_IN_WORKTREE: + return error(_("%s: already exists in working directory"), + new_name); + default: + return err; + } + + if (!patch->new_mode) { + if (0 < patch->is_new) + patch->new_mode = S_IFREG | 0644; + else + patch->new_mode = patch->old_mode; + } + } + + if (new_name && old_name) { + int same = !strcmp(old_name, new_name); + if (!patch->new_mode) + patch->new_mode = patch->old_mode; + if ((patch->old_mode ^ patch->new_mode) & S_IFMT) { + if (same) + return error(_("new mode (%o) of %s does not " + "match old mode (%o)"), + patch->new_mode, new_name, + patch->old_mode); + else + return error(_("new mode (%o) of %s does not " + "match old mode (%o) of %s"), + patch->new_mode, new_name, + patch->old_mode, old_name); + } + } + + if (!state->unsafe_paths && check_unsafe_path(patch)) + return -128; + + /* + * An attempt to read from or delete a path that is beyond a + * symbolic link will be prevented by load_patch_target() that + * is called at the beginning of apply_data() so we do not + * have to worry about a patch marked with "is_delete" bit + * here. We however need to make sure that the patch result + * is not deposited to a path that is beyond a symbolic link + * here. + */ + if (!patch->is_delete && path_is_beyond_symlink(state, patch->new_name)) + return error(_("affected file '%s' is beyond a symbolic link"), + patch->new_name); + + if (apply_data(state, patch, &st, ce) < 0) + return error(_("%s: patch does not apply"), name); + patch->rejected = 0; + return 0; +} + +static int check_patch_list(struct apply_state *state, struct patch *patch) +{ + int err = 0; + + prepare_symlink_changes(state, patch); + prepare_fn_table(state, patch); + while (patch) { + int res; + if (state->apply_verbosity > verbosity_normal) + say_patch_name(stderr, + _("Checking patch %s..."), patch); + res = check_patch(state, patch); + if (res == -128) + return -128; + err |= res; + patch = patch->next; + } + return err; +} + +static int read_apply_cache(struct apply_state *state) +{ + if (state->index_file) + return read_cache_from(state->index_file); + else + return read_cache(); +} + +/* This function tries to read the object name from the current index */ +static int get_current_oid(struct apply_state *state, const char *path, + struct object_id *oid) +{ + int pos; + + if (read_apply_cache(state) < 0) + return -1; + pos = cache_name_pos(path, strlen(path)); + if (pos < 0) + return -1; + oidcpy(oid, &active_cache[pos]->oid); + return 0; +} + +static int preimage_oid_in_gitlink_patch(struct patch *p, struct object_id *oid) +{ + /* + * A usable gitlink patch has only one fragment (hunk) that looks like: + * @@ -1 +1 @@ + * -Subproject commit <old sha1> + * +Subproject commit <new sha1> + * or + * @@ -1 +0,0 @@ + * -Subproject commit <old sha1> + * for a removal patch. + */ + struct fragment *hunk = p->fragments; + static const char heading[] = "-Subproject commit "; + char *preimage; + + if (/* does the patch have only one hunk? */ + hunk && !hunk->next && + /* is its preimage one line? */ + hunk->oldpos == 1 && hunk->oldlines == 1 && + /* does preimage begin with the heading? */ + (preimage = memchr(hunk->patch, '\n', hunk->size)) != NULL && + starts_with(++preimage, heading) && + /* does it record full SHA-1? */ + !get_oid_hex(preimage + sizeof(heading) - 1, oid) && + preimage[sizeof(heading) + GIT_SHA1_HEXSZ - 1] == '\n' && + /* does the abbreviated name on the index line agree with it? */ + starts_with(preimage + sizeof(heading) - 1, p->old_sha1_prefix)) + return 0; /* it all looks fine */ + + /* we may have full object name on the index line */ + return get_oid_hex(p->old_sha1_prefix, oid); +} + +/* Build an index that contains the just the files needed for a 3way merge */ +static int build_fake_ancestor(struct apply_state *state, struct patch *list) +{ + struct patch *patch; + struct index_state result = { NULL }; + static struct lock_file lock; + int res; + + /* Once we start supporting the reverse patch, it may be + * worth showing the new sha1 prefix, but until then... + */ + for (patch = list; patch; patch = patch->next) { + struct object_id oid; + struct cache_entry *ce; + const char *name; + + name = patch->old_name ? patch->old_name : patch->new_name; + if (0 < patch->is_new) + continue; + + if (S_ISGITLINK(patch->old_mode)) { + if (!preimage_oid_in_gitlink_patch(patch, &oid)) + ; /* ok, the textual part looks sane */ + else + return error("sha1 information is lacking or " + "useless for submodule %s", name); + } else if (!get_sha1_blob(patch->old_sha1_prefix, oid.hash)) { + ; /* ok */ + } else if (!patch->lines_added && !patch->lines_deleted) { + /* mode-only change: update the current */ + if (get_current_oid(state, patch->old_name, &oid)) + return error("mode change for %s, which is not " + "in current HEAD", name); + } else + return error("sha1 information is lacking or useless " + "(%s).", name); + + ce = make_cache_entry(patch->old_mode, oid.hash, name, 0, 0); + if (!ce) + return error(_("make_cache_entry failed for path '%s'"), + name); + if (add_index_entry(&result, ce, ADD_CACHE_OK_TO_ADD)) { + free(ce); + return error("Could not add %s to temporary index", + name); + } + } + + hold_lock_file_for_update(&lock, state->fake_ancestor, LOCK_DIE_ON_ERROR); + res = write_locked_index(&result, &lock, COMMIT_LOCK); + discard_index(&result); + + if (res) + return error("Could not write temporary index to %s", + state->fake_ancestor); + + return 0; + } + + static void stat_patch_list(struct apply_state *state, struct patch *patch) + { + int files, adds, dels; + + for (files = adds = dels = 0 ; patch ; patch = patch->next) { + files++; + adds += patch->lines_added; + dels += patch->lines_deleted; + show_stats(state, patch); + } + + print_stat_summary(stdout, files, adds, dels); + } + + static void numstat_patch_list(struct apply_state *state, + struct patch *patch) + { + for ( ; patch; patch = patch->next) { + const char *name; + name = patch->new_name ? patch->new_name : patch->old_name; + if (patch->is_binary) + printf("-\t-\t"); + else + printf("%d\t%d\t", patch->lines_added, patch->lines_deleted); + write_name_quoted(name, stdout, state->line_termination); + } + } + + static void show_file_mode_name(const char *newdelete, unsigned int mode, const char *name) + { + if (mode) + printf(" %s mode %06o %s\n", newdelete, mode, name); + else + printf(" %s %s\n", newdelete, name); + } + + static void show_mode_change(struct patch *p, int show_name) + { + if (p->old_mode && p->new_mode && p->old_mode != p->new_mode) { + if (show_name) + printf(" mode change %06o => %06o %s\n", + p->old_mode, p->new_mode, p->new_name); + else + printf(" mode change %06o => %06o\n", + p->old_mode, p->new_mode); + } + } + + static void show_rename_copy(struct patch *p) + { + const char *renamecopy = p->is_rename ? "rename" : "copy"; + const char *old, *new; + + /* Find common prefix */ + old = p->old_name; + new = p->new_name; + while (1) { + const char *slash_old, *slash_new; + slash_old = strchr(old, '/'); + slash_new = strchr(new, '/'); + if (!slash_old || + !slash_new || + slash_old - old != slash_new - new || + memcmp(old, new, slash_new - new)) + break; + old = slash_old + 1; + new = slash_new + 1; + } + /* p->old_name thru old is the common prefix, and old and new + * through the end of names are renames + */ + if (old != p->old_name) + printf(" %s %.*s{%s => %s} (%d%%)\n", renamecopy, + (int)(old - p->old_name), p->old_name, + old, new, p->score); + else + printf(" %s %s => %s (%d%%)\n", renamecopy, + p->old_name, p->new_name, p->score); + show_mode_change(p, 0); + } + + static void summary_patch_list(struct patch *patch) + { + struct patch *p; + + for (p = patch; p; p = p->next) { + if (p->is_new) + show_file_mode_name("create", p->new_mode, p->new_name); + else if (p->is_delete) + show_file_mode_name("delete", p->old_mode, p->old_name); + else { + if (p->is_rename || p->is_copy) + show_rename_copy(p); + else { + if (p->score) { + printf(" rewrite %s (%d%%)\n", + p->new_name, p->score); + show_mode_change(p, 0); + } + else + show_mode_change(p, 1); + } + } + } + } + + static void patch_stats(struct apply_state *state, struct patch *patch) + { + int lines = patch->lines_added + patch->lines_deleted; + + if (lines > state->max_change) + state->max_change = lines; + if (patch->old_name) { + int len = quote_c_style(patch->old_name, NULL, NULL, 0); + if (!len) + len = strlen(patch->old_name); + if (len > state->max_len) + state->max_len = len; + } + if (patch->new_name) { + int len = quote_c_style(patch->new_name, NULL, NULL, 0); + if (!len) + len = strlen(patch->new_name); + if (len > state->max_len) + state->max_len = len; + } + } + + static int remove_file(struct apply_state *state, struct patch *patch, int rmdir_empty) + { + if (state->update_index) { + if (remove_file_from_cache(patch->old_name) < 0) + return error(_("unable to remove %s from index"), patch->old_name); + } + if (!state->cached) { + if (!remove_or_warn(patch->old_mode, patch->old_name) && rmdir_empty) { + remove_path(patch->old_name); + } + } + return 0; + } + + static int add_index_file(struct apply_state *state, + const char *path, + unsigned mode, + void *buf, + unsigned long size) + { + struct stat st; + struct cache_entry *ce; + int namelen = strlen(path); + unsigned ce_size = cache_entry_size(namelen); + + if (!state->update_index) + return 0; + + ce = xcalloc(1, ce_size); + memcpy(ce->name, path, namelen); + ce->ce_mode = create_ce_mode(mode); + ce->ce_flags = create_ce_flags(0); + ce->ce_namelen = namelen; + if (S_ISGITLINK(mode)) { + const char *s; + + if (!skip_prefix(buf, "Subproject commit ", &s) || + get_oid_hex(s, &ce->oid)) { + free(ce); + return error(_("corrupt patch for submodule %s"), path); + } + } else { + if (!state->cached) { + if (lstat(path, &st) < 0) { + free(ce); + return error_errno(_("unable to stat newly " + "created file '%s'"), + path); + } + fill_stat_cache_info(ce, &st); + } + if (write_sha1_file(buf, size, blob_type, ce->oid.hash) < 0) { + free(ce); + return error(_("unable to create backing store " + "for newly created file %s"), path); + } + } + if (add_cache_entry(ce, ADD_CACHE_OK_TO_ADD) < 0) { + free(ce); + return error(_("unable to add cache entry for %s"), path); + } + + return 0; +} + +/* + * Returns: + * -1 if an unrecoverable error happened + * 0 if everything went well + * 1 if a recoverable error happened + */ +static int try_create_file(const char *path, unsigned int mode, const char *buf, unsigned long size) +{ + int fd, res; + struct strbuf nbuf = STRBUF_INIT; + + if (S_ISGITLINK(mode)) { + struct stat st; + if (!lstat(path, &st) && S_ISDIR(st.st_mode)) + return 0; + return !!mkdir(path, 0777); + } + + if (has_symlinks && S_ISLNK(mode)) + /* Although buf:size is counted string, it also is NUL + * terminated. + */ + return !!symlink(buf, path); + + fd = open(path, O_CREAT | O_EXCL | O_WRONLY, (mode & 0100) ? 0777 : 0666); + if (fd < 0) + return 1; + + if (convert_to_working_tree(path, buf, size, &nbuf)) { + size = nbuf.len; + buf = nbuf.buf; + } + + res = write_in_full(fd, buf, size) < 0; + if (res) + error_errno(_("failed to write to '%s'"), path); + strbuf_release(&nbuf); + + if (close(fd) < 0 && !res) + return error_errno(_("closing file '%s'"), path); + + return res ? -1 : 0; +} + +/* + * We optimistically assume that the directories exist, + * which is true 99% of the time anyway. If they don't, + * we create them and try again. + * + * Returns: + * -1 on error + * 0 otherwise + */ +static int create_one_file(struct apply_state *state, + char *path, + unsigned mode, + const char *buf, + unsigned long size) +{ + int res; + + if (state->cached) + return 0; + + res = try_create_file(path, mode, buf, size); + if (res < 0) + return -1; + if (!res) + return 0; + + if (errno == ENOENT) { + if (safe_create_leading_directories(path)) + return 0; + res = try_create_file(path, mode, buf, size); + if (res < 0) + return -1; + if (!res) + return 0; + } + + if (errno == EEXIST || errno == EACCES) { + /* We may be trying to create a file where a directory + * used to be. + */ + struct stat st; + if (!lstat(path, &st) && (!S_ISDIR(st.st_mode) || !rmdir(path))) + errno = EEXIST; + } + + if (errno == EEXIST) { + unsigned int nr = getpid(); + + for (;;) { + char newpath[PATH_MAX]; + mksnpath(newpath, sizeof(newpath), "%s~%u", path, nr); + res = try_create_file(newpath, mode, buf, size); + if (res < 0) + return -1; + if (!res) { + if (!rename(newpath, path)) + return 0; + unlink_or_warn(newpath); + break; + } + if (errno != EEXIST) + break; + ++nr; + } + } + return error_errno(_("unable to write file '%s' mode %o"), + path, mode); +} + +static int add_conflicted_stages_file(struct apply_state *state, + struct patch *patch) +{ + int stage, namelen; + unsigned ce_size, mode; + struct cache_entry *ce; + + if (!state->update_index) + return 0; + namelen = strlen(patch->new_name); + ce_size = cache_entry_size(namelen); + mode = patch->new_mode ? patch->new_mode : (S_IFREG | 0644); + + remove_file_from_cache(patch->new_name); + for (stage = 1; stage < 4; stage++) { + if (is_null_oid(&patch->threeway_stage[stage - 1])) + continue; + ce = xcalloc(1, ce_size); + memcpy(ce->name, patch->new_name, namelen); + ce->ce_mode = create_ce_mode(mode); + ce->ce_flags = create_ce_flags(stage); + ce->ce_namelen = namelen; + oidcpy(&ce->oid, &patch->threeway_stage[stage - 1]); + if (add_cache_entry(ce, ADD_CACHE_OK_TO_ADD) < 0) { + free(ce); + return error(_("unable to add cache entry for %s"), + patch->new_name); + } + } + + return 0; +} + +static int create_file(struct apply_state *state, struct patch *patch) +{ + char *path = patch->new_name; + unsigned mode = patch->new_mode; + unsigned long size = patch->resultsize; + char *buf = patch->result; + + if (!mode) + mode = S_IFREG | 0644; + if (create_one_file(state, path, mode, buf, size)) + return -1; + + if (patch->conflicted_threeway) + return add_conflicted_stages_file(state, patch); + else + return add_index_file(state, path, mode, buf, size); +} + +/* phase zero is to remove, phase one is to create */ +static int write_out_one_result(struct apply_state *state, + struct patch *patch, + int phase) +{ + if (patch->is_delete > 0) { + if (phase == 0) + return remove_file(state, patch, 1); + return 0; + } + if (patch->is_new > 0 || patch->is_copy) { + if (phase == 1) + return create_file(state, patch); + return 0; + } + /* + * Rename or modification boils down to the same + * thing: remove the old, write the new + */ + if (phase == 0) + return remove_file(state, patch, patch->is_rename); + if (phase == 1) + return create_file(state, patch); + return 0; +} + +static int write_out_one_reject(struct apply_state *state, struct patch *patch) +{ + FILE *rej; + char namebuf[PATH_MAX]; + struct fragment *frag; + int cnt = 0; + struct strbuf sb = STRBUF_INIT; + + for (cnt = 0, frag = patch->fragments; frag; frag = frag->next) { + if (!frag->rejected) + continue; + cnt++; + } + + if (!cnt) { + if (state->apply_verbosity > verbosity_normal) + say_patch_name(stderr, + _("Applied patch %s cleanly."), patch); + return 0; + } + + /* This should not happen, because a removal patch that leaves + * contents are marked "rejected" at the patch level. + */ + if (!patch->new_name) + die(_("internal error")); + + /* Say this even without --verbose */ + strbuf_addf(&sb, Q_("Applying patch %%s with %d reject...", + "Applying patch %%s with %d rejects...", + cnt), + cnt); + if (state->apply_verbosity > verbosity_silent) + say_patch_name(stderr, sb.buf, patch); + strbuf_release(&sb); + + cnt = strlen(patch->new_name); + if (ARRAY_SIZE(namebuf) <= cnt + 5) { + cnt = ARRAY_SIZE(namebuf) - 5; + warning(_("truncating .rej filename to %.*s.rej"), + cnt - 1, patch->new_name); + } + memcpy(namebuf, patch->new_name, cnt); + memcpy(namebuf + cnt, ".rej", 5); + + rej = fopen(namebuf, "w"); + if (!rej) + return error_errno(_("cannot open %s"), namebuf); + + /* Normal git tools never deal with .rej, so do not pretend + * this is a git patch by saying --git or giving extended + * headers. While at it, maybe please "kompare" that wants + * the trailing TAB and some garbage at the end of line ;-). + */ + fprintf(rej, "diff a/%s b/%s\t(rejected hunks)\n", + patch->new_name, patch->new_name); + for (cnt = 1, frag = patch->fragments; + frag; + cnt++, frag = frag->next) { + if (!frag->rejected) { + if (state->apply_verbosity > verbosity_silent) + fprintf_ln(stderr, _("Hunk #%d applied cleanly."), cnt); + continue; + } + if (state->apply_verbosity > verbosity_silent) + fprintf_ln(stderr, _("Rejected hunk #%d."), cnt); + fprintf(rej, "%.*s", frag->size, frag->patch); + if (frag->patch[frag->size-1] != '\n') + fputc('\n', rej); + } + fclose(rej); + return -1; +} + +/* + * Returns: + * -1 if an error happened + * 0 if the patch applied cleanly + * 1 if the patch did not apply cleanly + */ +static int write_out_results(struct apply_state *state, struct patch *list) +{ + int phase; + int errs = 0; + struct patch *l; + struct string_list cpath = STRING_LIST_INIT_DUP; + + for (phase = 0; phase < 2; phase++) { + l = list; + while (l) { + if (l->rejected) + errs = 1; + else { + if (write_out_one_result(state, l, phase)) { + string_list_clear(&cpath, 0); + return -1; + } + if (phase == 1) { + if (write_out_one_reject(state, l)) + errs = 1; + if (l->conflicted_threeway) { + string_list_append(&cpath, l->new_name); + errs = 1; + } + } + } + l = l->next; + } + } + + if (cpath.nr) { + struct string_list_item *item; + + string_list_sort(&cpath); + if (state->apply_verbosity > verbosity_silent) { + for_each_string_list_item(item, &cpath) + fprintf(stderr, "U %s\n", item->string); + } + string_list_clear(&cpath, 0); + + rerere(0); + } + + return errs; +} + +/* + * Try to apply a patch. + * + * Returns: + * -128 if a bad error happened (like patch unreadable) + * -1 if patch did not apply and user cannot deal with it + * 0 if the patch applied + * 1 if the patch did not apply but user might fix it + */ +static int apply_patch(struct apply_state *state, + int fd, + const char *filename, + int options) +{ + size_t offset; + struct strbuf buf = STRBUF_INIT; /* owns the patch text */ + struct patch *list = NULL, **listp = &list; + int skipped_patch = 0; + int res = 0; + + state->patch_input_file = filename; + if (read_patch_file(&buf, fd) < 0) + return -128; + offset = 0; + while (offset < buf.len) { + struct patch *patch; + int nr; + + patch = xcalloc(1, sizeof(*patch)); + patch->inaccurate_eof = !!(options & APPLY_OPT_INACCURATE_EOF); + patch->recount = !!(options & APPLY_OPT_RECOUNT); + nr = parse_chunk(state, buf.buf + offset, buf.len - offset, patch); + if (nr < 0) { + free_patch(patch); + if (nr == -128) { + res = -128; + goto end; + } + break; + } + if (state->apply_in_reverse) + reverse_patches(patch); + if (use_patch(state, patch)) { + patch_stats(state, patch); + *listp = patch; + listp = &patch->next; + } + else { + if (state->apply_verbosity > verbosity_normal) + say_patch_name(stderr, _("Skipped patch '%s'."), patch); + free_patch(patch); + skipped_patch++; + } + offset += nr; + } + + if (!list && !skipped_patch) { + error(_("unrecognized input")); + res = -128; + goto end; + } + + if (state->whitespace_error && (state->ws_error_action == die_on_ws_error)) + state->apply = 0; + + state->update_index = state->check_index && state->apply; + if (state->update_index && state->newfd < 0) { + if (state->index_file) + state->newfd = hold_lock_file_for_update(state->lock_file, + state->index_file, + LOCK_DIE_ON_ERROR); + else + state->newfd = hold_locked_index(state->lock_file, 1); + } + + if (state->check_index && read_apply_cache(state) < 0) { + error(_("unable to read index file")); + res = -128; + goto end; + } + + if (state->check || state->apply) { + int r = check_patch_list(state, list); + if (r == -128) { + res = -128; + goto end; + } + if (r < 0 && !state->apply_with_reject) { + res = -1; + goto end; + } + } + + if (state->apply) { + int write_res = write_out_results(state, list); + if (write_res < 0) { + res = -128; + goto end; + } + if (write_res > 0) { + /* with --3way, we still need to write the index out */ + res = state->apply_with_reject ? -1 : 1; + goto end; + } + } + + if (state->fake_ancestor && + build_fake_ancestor(state, list)) { + res = -128; + goto end; + } + + if (state->diffstat && state->apply_verbosity > verbosity_silent) + stat_patch_list(state, list); + + if (state->numstat && state->apply_verbosity > verbosity_silent) + numstat_patch_list(state, list); + + if (state->summary && state->apply_verbosity > verbosity_silent) + summary_patch_list(list); + +end: + free_patch_list(list); + strbuf_release(&buf); + string_list_clear(&state->fn_table, 0); + return res; +} + +static int apply_option_parse_exclude(const struct option *opt, + const char *arg, int unset) +{ + struct apply_state *state = opt->value; + add_name_limit(state, arg, 1); + return 0; +} + +static int apply_option_parse_include(const struct option *opt, + const char *arg, int unset) +{ + struct apply_state *state = opt->value; + add_name_limit(state, arg, 0); + state->has_include = 1; + return 0; +} + +static int apply_option_parse_p(const struct option *opt, + const char *arg, + int unset) +{ + struct apply_state *state = opt->value; + state->p_value = atoi(arg); + state->p_value_known = 1; + return 0; +} + +static int apply_option_parse_space_change(const struct option *opt, + const char *arg, int unset) +{ + struct apply_state *state = opt->value; + if (unset) + state->ws_ignore_action = ignore_ws_none; + else + state->ws_ignore_action = ignore_ws_change; + return 0; +} + +static int apply_option_parse_whitespace(const struct option *opt, + const char *arg, int unset) +{ + struct apply_state *state = opt->value; + state->whitespace_option = arg; + if (parse_whitespace_option(state, arg)) + exit(1); + return 0; +} + +static int apply_option_parse_directory(const struct option *opt, + const char *arg, int unset) +{ + struct apply_state *state = opt->value; + strbuf_reset(&state->root); + strbuf_addstr(&state->root, arg); + strbuf_complete(&state->root, '/'); + return 0; +} + +int apply_all_patches(struct apply_state *state, + int argc, + const char **argv, + int options) +{ + int i; + int res; + int errs = 0; + int read_stdin = 1; + + for (i = 0; i < argc; i++) { + const char *arg = argv[i]; + int fd; + + if (!strcmp(arg, "-")) { + res = apply_patch(state, 0, "<stdin>", options); + if (res < 0) + goto end; + errs |= res; + read_stdin = 0; + continue; + } else if (0 < state->prefix_length) + arg = prefix_filename(state->prefix, + state->prefix_length, + arg); + + fd = open(arg, O_RDONLY); + if (fd < 0) { + error(_("can't open patch '%s': %s"), arg, strerror(errno)); + res = -128; + goto end; + } + read_stdin = 0; + set_default_whitespace_mode(state); + res = apply_patch(state, fd, arg, options); + close(fd); + if (res < 0) + goto end; + errs |= res; + } + set_default_whitespace_mode(state); + if (read_stdin) { + res = apply_patch(state, 0, "<stdin>", options); + if (res < 0) + goto end; + errs |= res; + } + + if (state->whitespace_error) { + if (state->squelch_whitespace_errors && + state->squelch_whitespace_errors < state->whitespace_error) { + int squelched = + state->whitespace_error - state->squelch_whitespace_errors; + warning(Q_("squelched %d whitespace error", + "squelched %d whitespace errors", + squelched), + squelched); + } + if (state->ws_error_action == die_on_ws_error) { + error(Q_("%d line adds whitespace errors.", + "%d lines add whitespace errors.", + state->whitespace_error), + state->whitespace_error); + res = -128; + goto end; + } + if (state->applied_after_fixing_ws && state->apply) + warning("%d line%s applied after" + " fixing whitespace errors.", + state->applied_after_fixing_ws, + state->applied_after_fixing_ws == 1 ? "" : "s"); + else if (state->whitespace_error) + warning(Q_("%d line adds whitespace errors.", + "%d lines add whitespace errors.", + state->whitespace_error), + state->whitespace_error); + } + + if (state->update_index) { + res = write_locked_index(&the_index, state->lock_file, COMMIT_LOCK); + if (res) { + error(_("Unable to write new index file")); + res = -128; + goto end; + } + state->newfd = -1; + } + + res = !!errs; + +end: + if (state->newfd >= 0) { + rollback_lock_file(state->lock_file); + state->newfd = -1; + } + + if (state->apply_verbosity <= verbosity_silent) { + set_error_routine(state->saved_error_routine); + set_warn_routine(state->saved_warn_routine); + } + + if (res > -1) + return res; + return (res == -1 ? 1 : 128); +} + +int apply_parse_options(int argc, const char **argv, + struct apply_state *state, + int *force_apply, int *options, + const char * const *apply_usage) +{ + struct option builtin_apply_options[] = { + { OPTION_CALLBACK, 0, "exclude", state, N_("path"), + N_("don't apply changes matching the given path"), + 0, apply_option_parse_exclude }, + { OPTION_CALLBACK, 0, "include", state, N_("path"), + N_("apply changes matching the given path"), + 0, apply_option_parse_include }, + { OPTION_CALLBACK, 'p', NULL, state, N_("num"), + N_("remove <num> leading slashes from traditional diff paths"), + 0, apply_option_parse_p }, + OPT_BOOL(0, "no-add", &state->no_add, + N_("ignore additions made by the patch")), + OPT_BOOL(0, "stat", &state->diffstat, + N_("instead of applying the patch, output diffstat for the input")), + OPT_NOOP_NOARG(0, "allow-binary-replacement"), + OPT_NOOP_NOARG(0, "binary"), + OPT_BOOL(0, "numstat", &state->numstat, + N_("show number of added and deleted lines in decimal notation")), + OPT_BOOL(0, "summary", &state->summary, + N_("instead of applying the patch, output a summary for the input")), + OPT_BOOL(0, "check", &state->check, + N_("instead of applying the patch, see if the patch is applicable")), + OPT_BOOL(0, "index", &state->check_index, + N_("make sure the patch is applicable to the current index")), + OPT_BOOL(0, "cached", &state->cached, + N_("apply a patch without touching the working tree")), + OPT_BOOL(0, "unsafe-paths", &state->unsafe_paths, + N_("accept a patch that touches outside the working area")), + OPT_BOOL(0, "apply", force_apply, + N_("also apply the patch (use with --stat/--summary/--check)")), + OPT_BOOL('3', "3way", &state->threeway, + N_( "attempt three-way merge if a patch does not apply")), + OPT_FILENAME(0, "build-fake-ancestor", &state->fake_ancestor, + N_("build a temporary index based on embedded index information")), + /* Think twice before adding "--nul" synonym to this */ + OPT_SET_INT('z', NULL, &state->line_termination, + N_("paths are separated with NUL character"), '\0'), + OPT_INTEGER('C', NULL, &state->p_context, + N_("ensure at least <n> lines of context match")), + { OPTION_CALLBACK, 0, "whitespace", state, N_("action"), + N_("detect new or modified lines that have whitespace errors"), + 0, apply_option_parse_whitespace }, + { OPTION_CALLBACK, 0, "ignore-space-change", state, NULL, + N_("ignore changes in whitespace when finding context"), + PARSE_OPT_NOARG, apply_option_parse_space_change }, + { OPTION_CALLBACK, 0, "ignore-whitespace", state, NULL, + N_("ignore changes in whitespace when finding context"), + PARSE_OPT_NOARG, apply_option_parse_space_change }, + OPT_BOOL('R', "reverse", &state->apply_in_reverse, + N_("apply the patch in reverse")), + OPT_BOOL(0, "unidiff-zero", &state->unidiff_zero, + N_("don't expect at least one line of context")), + OPT_BOOL(0, "reject", &state->apply_with_reject, + N_("leave the rejected hunks in corresponding *.rej files")), + OPT_BOOL(0, "allow-overlap", &state->allow_overlap, + N_("allow overlapping hunks")), + OPT__VERBOSE(&state->apply_verbosity, N_("be verbose")), + OPT_BIT(0, "inaccurate-eof", options, + N_("tolerate incorrectly detected missing new-line at the end of file"), + APPLY_OPT_INACCURATE_EOF), + OPT_BIT(0, "recount", options, + N_("do not trust the line counts in the hunk headers"), + APPLY_OPT_RECOUNT), + { OPTION_CALLBACK, 0, "directory", state, N_("root"), + N_("prepend <root> to all filenames"), + 0, apply_option_parse_directory }, + OPT_END() + }; + + return parse_options(argc, argv, state->prefix, builtin_apply_options, apply_usage, 0); +} diff --git a/apply.h b/apply.h new file mode 100644 index 0000000000..b3d6783d55 --- /dev/null +++ b/apply.h @@ -0,0 +1,137 @@ +#ifndef APPLY_H +#define APPLY_H + +enum apply_ws_error_action { + nowarn_ws_error, + warn_on_ws_error, + die_on_ws_error, + correct_ws_error +}; + +enum apply_ws_ignore { + ignore_ws_none, + ignore_ws_change +}; + +enum apply_verbosity { + verbosity_silent = -1, + verbosity_normal = 0, + verbosity_verbose = 1 +}; + +/* + * We need to keep track of how symlinks in the preimage are + * manipulated by the patches. A patch to add a/b/c where a/b + * is a symlink should not be allowed to affect the directory + * the symlink points at, but if the same patch removes a/b, + * it is perfectly fine, as the patch removes a/b to make room + * to create a directory a/b so that a/b/c can be created. + * + * See also "struct string_list symlink_changes" in "struct + * apply_state". + */ +#define APPLY_SYMLINK_GOES_AWAY 01 +#define APPLY_SYMLINK_IN_RESULT 02 + +struct apply_state { + const char *prefix; + int prefix_length; + + /* These are lock_file related */ + struct lock_file *lock_file; + int newfd; + + /* These control what gets looked at and modified */ + int apply; /* this is not a dry-run */ + int cached; /* apply to the index only */ + int check; /* preimage must match working tree, don't actually apply */ + int check_index; /* preimage must match the indexed version */ + int update_index; /* check_index && apply */ + + /* These control cosmetic aspect of the output */ + int diffstat; /* just show a diffstat, and don't actually apply */ + int numstat; /* just show a numeric diffstat, and don't actually apply */ + int summary; /* just report creation, deletion, etc, and don't actually apply */ + + /* These boolean parameters control how the apply is done */ + int allow_overlap; + int apply_in_reverse; + int apply_with_reject; + int no_add; + int threeway; + int unidiff_zero; + int unsafe_paths; + + /* Other non boolean parameters */ + const char *index_file; + enum apply_verbosity apply_verbosity; + const char *fake_ancestor; + const char *patch_input_file; + int line_termination; + struct strbuf root; + int p_value; + int p_value_known; + unsigned int p_context; + + /* Exclude and include path parameters */ + struct string_list limit_by_name; + int has_include; + + /* Various "current state" */ + int linenr; /* current line number */ + struct string_list symlink_changes; /* we have to track symlinks */ + + /* + * For "diff-stat" like behaviour, we keep track of the biggest change + * we've seen, and the longest filename. That allows us to do simple + * scaling. + */ + int max_change; + int max_len; + + /* + * Records filenames that have been touched, in order to handle + * the case where more than one patches touch the same file. + */ + struct string_list fn_table; + + /* + * This is to save reporting routines before using + * set_error_routine() or set_warn_routine() to install muting + * routines when in verbosity_silent mode. + */ + void (*saved_error_routine)(const char *err, va_list params); + void (*saved_warn_routine)(const char *warn, va_list params); + + /* These control whitespace errors */ + enum apply_ws_error_action ws_error_action; + enum apply_ws_ignore ws_ignore_action; + const char *whitespace_option; + int whitespace_error; + int squelch_whitespace_errors; + int applied_after_fixing_ws; +}; + +extern int apply_parse_options(int argc, const char **argv, + struct apply_state *state, + int *force_apply, int *options, + const char * const *apply_usage); +extern int init_apply_state(struct apply_state *state, + const char *prefix, + struct lock_file *lock_file); +extern void clear_apply_state(struct apply_state *state); +extern int check_apply_state(struct apply_state *state, int force_apply); + +/* + * Some aspects of the apply behavior are controlled by the following + * bits in the "options" parameter passed to apply_all_patches(). + */ +#define APPLY_OPT_INACCURATE_EOF (1<<0) /* accept inaccurate eof */ +#define APPLY_OPT_RECOUNT (1<<1) /* accept inaccurate line count */ + +extern int apply_all_patches(struct apply_state *state, + int argc, + const char **argv, + int options); + +#endif @@ -25,7 +25,7 @@ struct fmt_merge_msg_opts { extern int fmt_merge_msg(struct strbuf *in, struct strbuf *out, struct fmt_merge_msg_opts *); -extern int textconv_object(const char *path, unsigned mode, const unsigned char *sha1, int sha1_valid, char **buf, unsigned long *buf_size); +extern int textconv_object(const char *path, unsigned mode, const struct object_id *oid, int oid_valid, char **buf, unsigned long *buf_size); extern int is_builtin(const char *s); diff --git a/builtin/am.c b/builtin/am.c index 9e2ae5cba4..6981f42ce9 100644 --- a/builtin/am.c +++ b/builtin/am.c @@ -28,6 +28,8 @@ #include "rerere.h" #include "prompt.h" #include "mailinfo.h" +#include "apply.h" +#include "string-list.h" /** * Returns 1 if the file is empty or does not exist, 0 otherwise. @@ -108,7 +110,7 @@ struct am_state { size_t msg_len; /* when --rebasing, records the original commit the patch came from */ - unsigned char orig_commit[GIT_SHA1_RAWSZ]; + struct object_id orig_commit; /* number of digits in patch filename */ int prec; @@ -258,38 +260,29 @@ static int read_state_file(struct strbuf *sb, const struct am_state *state, } /** - * Reads a KEY=VALUE shell variable assignment from `fp`, returning the VALUE - * as a newly-allocated string. VALUE must be a quoted string, and the KEY must - * match `key`. Returns NULL on failure. - * - * This is used by read_author_script() to read the GIT_AUTHOR_* variables from - * the author-script. + * Take a series of KEY='VALUE' lines where VALUE part is + * sq-quoted, and append <KEY, VALUE> at the end of the string list */ -static char *read_shell_var(FILE *fp, const char *key) +static int parse_key_value_squoted(char *buf, struct string_list *list) { - struct strbuf sb = STRBUF_INIT; - const char *str; - - if (strbuf_getline_lf(&sb, fp)) - goto fail; - - if (!skip_prefix(sb.buf, key, &str)) - goto fail; - - if (!skip_prefix(str, "=", &str)) - goto fail; - - strbuf_remove(&sb, 0, str - sb.buf); - - str = sq_dequote(sb.buf); - if (!str) - goto fail; - - return strbuf_detach(&sb, NULL); - -fail: - strbuf_release(&sb); - return NULL; + while (*buf) { + struct string_list_item *item; + char *np; + char *cp = strchr(buf, '='); + if (!cp) + return -1; + np = strchrnul(cp, '\n'); + *cp++ = '\0'; + item = string_list_append(list, buf); + + buf = np + (*np == '\n'); + *np = '\0'; + cp = sq_dequote(cp); + if (!cp) + return -1; + item->util = xstrdup(cp); + } + return 0; } /** @@ -311,44 +304,39 @@ fail: static int read_author_script(struct am_state *state) { const char *filename = am_path(state, "author-script"); - FILE *fp; + struct strbuf buf = STRBUF_INIT; + struct string_list kv = STRING_LIST_INIT_DUP; + int retval = -1; /* assume failure */ + int fd; assert(!state->author_name); assert(!state->author_email); assert(!state->author_date); - fp = fopen(filename, "r"); - if (!fp) { + fd = open(filename, O_RDONLY); + if (fd < 0) { if (errno == ENOENT) return 0; die_errno(_("could not open '%s' for reading"), filename); } + strbuf_read(&buf, fd, 0); + close(fd); + if (parse_key_value_squoted(buf.buf, &kv)) + goto finish; - state->author_name = read_shell_var(fp, "GIT_AUTHOR_NAME"); - if (!state->author_name) { - fclose(fp); - return -1; - } - - state->author_email = read_shell_var(fp, "GIT_AUTHOR_EMAIL"); - if (!state->author_email) { - fclose(fp); - return -1; - } - - state->author_date = read_shell_var(fp, "GIT_AUTHOR_DATE"); - if (!state->author_date) { - fclose(fp); - return -1; - } - - if (fgetc(fp) != EOF) { - fclose(fp); - return -1; - } - - fclose(fp); - return 0; + if (kv.nr != 3 || + strcmp(kv.items[0].string, "GIT_AUTHOR_NAME") || + strcmp(kv.items[1].string, "GIT_AUTHOR_EMAIL") || + strcmp(kv.items[2].string, "GIT_AUTHOR_DATE")) + goto finish; + state->author_name = kv.items[0].util; + state->author_email = kv.items[1].util; + state->author_date = kv.items[2].util; + retval = 0; +finish: + string_list_clear(&kv, !!retval); + strbuf_release(&buf); + return retval; } /** @@ -428,8 +416,8 @@ static void am_load(struct am_state *state) read_commit_msg(state); if (read_state_file(&sb, state, "original-commit", 1) < 0) - hashclr(state->orig_commit); - else if (get_sha1_hex(sb.buf, state->orig_commit) < 0) + oidclr(&state->orig_commit); + else if (get_oid_hex(sb.buf, &state->orig_commit) < 0) die(_("could not parse %s"), am_path(state, "original-commit")); read_state_file(&sb, state, "threeway", 1); @@ -555,14 +543,14 @@ static int copy_notes_for_rebase(const struct am_state *state) fp = xfopen(am_path(state, "rewritten"), "r"); while (!strbuf_getline_lf(&sb, fp)) { - unsigned char from_obj[GIT_SHA1_RAWSZ], to_obj[GIT_SHA1_RAWSZ]; + struct object_id from_obj, to_obj; if (sb.len != GIT_SHA1_HEXSZ * 2 + 1) { ret = error(invalid_line, sb.buf); goto finish; } - if (get_sha1_hex(sb.buf, from_obj)) { + if (get_oid_hex(sb.buf, &from_obj)) { ret = error(invalid_line, sb.buf); goto finish; } @@ -572,14 +560,14 @@ static int copy_notes_for_rebase(const struct am_state *state) goto finish; } - if (get_sha1_hex(sb.buf + GIT_SHA1_HEXSZ + 1, to_obj)) { + if (get_oid_hex(sb.buf + GIT_SHA1_HEXSZ + 1, &to_obj)) { ret = error(invalid_line, sb.buf); goto finish; } - if (copy_note_for_rewrite(c, from_obj, to_obj)) + if (copy_note_for_rewrite(c, from_obj.hash, to_obj.hash)) ret = error(_("Failed to copy notes from '%s' to '%s'"), - sha1_to_hex(from_obj), sha1_to_hex(to_obj)); + oid_to_hex(&from_obj), oid_to_hex(&to_obj)); } finish: @@ -985,7 +973,7 @@ static int split_mail(struct am_state *state, enum patch_format patch_format, static void am_setup(struct am_state *state, enum patch_format patch_format, const char **paths, int keep_cr) { - unsigned char curr_head[GIT_SHA1_RAWSZ]; + struct object_id curr_head; const char *str; struct strbuf sb = STRBUF_INIT; @@ -1053,10 +1041,10 @@ static void am_setup(struct am_state *state, enum patch_format patch_format, else write_state_text(state, "applying", ""); - if (!get_sha1("HEAD", curr_head)) { - write_state_text(state, "abort-safety", sha1_to_hex(curr_head)); + if (!get_oid("HEAD", &curr_head)) { + write_state_text(state, "abort-safety", oid_to_hex(&curr_head)); if (!state->rebasing) - update_ref("am", "ORIG_HEAD", curr_head, NULL, 0, + update_ref_oid("am", "ORIG_HEAD", &curr_head, NULL, 0, UPDATE_REFS_DIE_ON_ERR); } else { write_state_text(state, "abort-safety", ""); @@ -1081,7 +1069,7 @@ static void am_setup(struct am_state *state, enum patch_format patch_format, */ static void am_next(struct am_state *state) { - unsigned char head[GIT_SHA1_RAWSZ]; + struct object_id head; free(state->author_name); state->author_name = NULL; @@ -1099,11 +1087,11 @@ static void am_next(struct am_state *state) unlink(am_path(state, "author-script")); unlink(am_path(state, "final-commit")); - hashclr(state->orig_commit); + oidclr(&state->orig_commit); unlink(am_path(state, "original-commit")); - if (!get_sha1("HEAD", head)) - write_state_text(state, "abort-safety", sha1_to_hex(head)); + if (!get_oid("HEAD", &head)) + write_state_text(state, "abort-safety", oid_to_hex(&head)); else write_state_text(state, "abort-safety", ""); @@ -1145,17 +1133,17 @@ static void refresh_and_write_cache(void) */ static int index_has_changes(struct strbuf *sb) { - unsigned char head[GIT_SHA1_RAWSZ]; + struct object_id head; int i; - if (!get_sha1_tree("HEAD", head)) { + if (!get_sha1_tree("HEAD", head.hash)) { struct diff_options opt; diff_setup(&opt); DIFF_OPT_SET(&opt, EXIT_WITH_STATUS); if (!sb) DIFF_OPT_SET(&opt, QUICK); - do_diff_cache(head, &opt); + do_diff_cache(head.hash, &opt); diffcore_std(&opt); for (i = 0; sb && i < diff_queued_diff.nr; i++) { if (i) @@ -1362,7 +1350,7 @@ finish: * Sets commit_id to the commit hash where the mail was generated from. * Returns 0 on success, -1 on failure. */ -static int get_mail_commit_sha1(unsigned char *commit_id, const char *mail) +static int get_mail_commit_oid(struct object_id *commit_id, const char *mail) { struct strbuf sb = STRBUF_INIT; FILE *fp = xfopen(mail, "r"); @@ -1374,7 +1362,7 @@ static int get_mail_commit_sha1(unsigned char *commit_id, const char *mail) if (!skip_prefix(sb.buf, "From ", &x)) return -1; - if (get_sha1_hex(x, commit_id) < 0) + if (get_oid_hex(x, commit_id) < 0) return -1; strbuf_release(&sb); @@ -1464,12 +1452,12 @@ static void write_commit_patch(const struct am_state *state, struct commit *comm static void write_index_patch(const struct am_state *state) { struct tree *tree; - unsigned char head[GIT_SHA1_RAWSZ]; + struct object_id head; struct rev_info rev_info; FILE *fp; - if (!get_sha1_tree("HEAD", head)) - tree = lookup_tree(head); + if (!get_sha1_tree("HEAD", head.hash)) + tree = lookup_tree(head.hash); else tree = lookup_tree(EMPTY_TREE_SHA1_BIN); @@ -1499,19 +1487,19 @@ static void write_index_patch(const struct am_state *state) static int parse_mail_rebase(struct am_state *state, const char *mail) { struct commit *commit; - unsigned char commit_sha1[GIT_SHA1_RAWSZ]; + struct object_id commit_oid; - if (get_mail_commit_sha1(commit_sha1, mail) < 0) + if (get_mail_commit_oid(&commit_oid, mail) < 0) die(_("could not parse %s"), mail); - commit = lookup_commit_or_die(commit_sha1, mail); + commit = lookup_commit_or_die(commit_oid.hash, mail); get_commit_info(state, commit); write_commit_patch(state, commit); - hashcpy(state->orig_commit, commit_sha1); - write_state_text(state, "original-commit", sha1_to_hex(commit_sha1)); + oidcpy(&state->orig_commit, &commit_oid); + write_state_text(state, "original-commit", oid_to_hex(&commit_oid)); return 0; } @@ -1522,39 +1510,59 @@ static int parse_mail_rebase(struct am_state *state, const char *mail) */ static int run_apply(const struct am_state *state, const char *index_file) { - struct child_process cp = CHILD_PROCESS_INIT; - - cp.git_cmd = 1; - - if (index_file) - argv_array_pushf(&cp.env_array, "GIT_INDEX_FILE=%s", index_file); + struct argv_array apply_paths = ARGV_ARRAY_INIT; + struct argv_array apply_opts = ARGV_ARRAY_INIT; + struct apply_state apply_state; + int res, opts_left; + static struct lock_file lock_file; + int force_apply = 0; + int options = 0; + + if (init_apply_state(&apply_state, NULL, &lock_file)) + die("BUG: init_apply_state() failed"); + + argv_array_push(&apply_opts, "apply"); + argv_array_pushv(&apply_opts, state->git_apply_opts.argv); + + opts_left = apply_parse_options(apply_opts.argc, apply_opts.argv, + &apply_state, &force_apply, &options, + NULL); + + if (opts_left != 0) + die("unknown option passed through to git apply"); + + if (index_file) { + apply_state.index_file = index_file; + apply_state.cached = 1; + } else + apply_state.check_index = 1; /* * If we are allowed to fall back on 3-way merge, don't give false * errors during the initial attempt. */ - if (state->threeway && !index_file) { - cp.no_stdout = 1; - cp.no_stderr = 1; - } + if (state->threeway && !index_file) + apply_state.apply_verbosity = verbosity_silent; - argv_array_push(&cp.args, "apply"); + if (check_apply_state(&apply_state, force_apply)) + die("BUG: check_apply_state() failed"); - argv_array_pushv(&cp.args, state->git_apply_opts.argv); + argv_array_push(&apply_paths, am_path(state, "patch")); - if (index_file) - argv_array_push(&cp.args, "--cached"); - else - argv_array_push(&cp.args, "--index"); + res = apply_all_patches(&apply_state, apply_paths.argc, apply_paths.argv, options); - argv_array_push(&cp.args, am_path(state, "patch")); + argv_array_clear(&apply_paths); + argv_array_clear(&apply_opts); + clear_apply_state(&apply_state); - if (run_command(&cp)) - return -1; + if (res) + return res; - /* Reload index as git-apply will have modified it. */ - discard_cache(); - read_cache_from(index_file ? index_file : get_index_file()); + if (index_file) { + /* Reload index as apply_all_patches() will have modified it. */ + discard_cache(); + read_cache_from(index_file); + } return 0; } @@ -1665,9 +1673,8 @@ static int fall_back_threeway(const struct am_state *state, const char *index_pa */ static void do_commit(const struct am_state *state) { - unsigned char tree[GIT_SHA1_RAWSZ], parent[GIT_SHA1_RAWSZ], - commit[GIT_SHA1_RAWSZ]; - unsigned char *ptr; + struct object_id tree, parent, commit; + const struct object_id *old_oid; struct commit_list *parents = NULL; const char *reflog_msg, *author; struct strbuf sb = STRBUF_INIT; @@ -1675,14 +1682,14 @@ static void do_commit(const struct am_state *state) if (run_hook_le(NULL, "pre-applypatch", NULL)) exit(1); - if (write_cache_as_tree(tree, 0, NULL)) + if (write_cache_as_tree(tree.hash, 0, NULL)) die(_("git write-tree failed to write a tree")); - if (!get_sha1_commit("HEAD", parent)) { - ptr = parent; - commit_list_insert(lookup_commit(parent), &parents); + if (!get_sha1_commit("HEAD", parent.hash)) { + old_oid = &parent; + commit_list_insert(lookup_commit(parent.hash), &parents); } else { - ptr = NULL; + old_oid = NULL; say(state, stderr, _("applying to an empty history")); } @@ -1694,7 +1701,7 @@ static void do_commit(const struct am_state *state) setenv("GIT_COMMITTER_DATE", state->ignore_date ? "" : state->author_date, 1); - if (commit_tree(state->msg, state->msg_len, tree, parents, commit, + if (commit_tree(state->msg, state->msg_len, tree.hash, parents, commit.hash, author, state->sign_commit)) die(_("failed to write commit object")); @@ -1705,14 +1712,15 @@ static void do_commit(const struct am_state *state) strbuf_addf(&sb, "%s: %.*s", reflog_msg, linelen(state->msg), state->msg); - update_ref(sb.buf, "HEAD", commit, ptr, 0, UPDATE_REFS_DIE_ON_ERR); + update_ref_oid(sb.buf, "HEAD", &commit, old_oid, 0, + UPDATE_REFS_DIE_ON_ERR); if (state->rebasing) { FILE *fp = xfopen(am_path(state, "rewritten"), "a"); - assert(!is_null_sha1(state->orig_commit)); - fprintf(fp, "%s ", sha1_to_hex(state->orig_commit)); - fprintf(fp, "%s\n", sha1_to_hex(commit)); + assert(!is_null_oid(&state->orig_commit)); + fprintf(fp, "%s ", oid_to_hex(&state->orig_commit)); + fprintf(fp, "%s\n", oid_to_hex(&commit)); fclose(fp); } @@ -2033,30 +2041,30 @@ static int merge_tree(struct tree *tree) * Clean the index without touching entries that are not modified between * `head` and `remote`. */ -static int clean_index(const unsigned char *head, const unsigned char *remote) +static int clean_index(const struct object_id *head, const struct object_id *remote) { struct tree *head_tree, *remote_tree, *index_tree; - unsigned char index[GIT_SHA1_RAWSZ]; + struct object_id index; - head_tree = parse_tree_indirect(head); + head_tree = parse_tree_indirect(head->hash); if (!head_tree) - return error(_("Could not parse object '%s'."), sha1_to_hex(head)); + return error(_("Could not parse object '%s'."), oid_to_hex(head)); - remote_tree = parse_tree_indirect(remote); + remote_tree = parse_tree_indirect(remote->hash); if (!remote_tree) - return error(_("Could not parse object '%s'."), sha1_to_hex(remote)); + return error(_("Could not parse object '%s'."), oid_to_hex(remote)); read_cache_unmerged(); if (fast_forward_to(head_tree, head_tree, 1)) return -1; - if (write_cache_as_tree(index, 0, NULL)) + if (write_cache_as_tree(index.hash, 0, NULL)) return -1; - index_tree = parse_tree_indirect(index); + index_tree = parse_tree_indirect(index.hash); if (!index_tree) - return error(_("Could not parse object '%s'."), sha1_to_hex(index)); + return error(_("Could not parse object '%s'."), oid_to_hex(&index)); if (fast_forward_to(index_tree, remote_tree, 0)) return -1; @@ -2084,14 +2092,14 @@ static void am_rerere_clear(void) */ static void am_skip(struct am_state *state) { - unsigned char head[GIT_SHA1_RAWSZ]; + struct object_id head; am_rerere_clear(); - if (get_sha1("HEAD", head)) - hashcpy(head, EMPTY_TREE_SHA1_BIN); + if (get_oid("HEAD", &head)) + hashcpy(head.hash, EMPTY_TREE_SHA1_BIN); - if (clean_index(head, head)) + if (clean_index(&head, &head)) die(_("failed to clean index")); am_next(state); @@ -2109,21 +2117,21 @@ static void am_skip(struct am_state *state) static int safe_to_abort(const struct am_state *state) { struct strbuf sb = STRBUF_INIT; - unsigned char abort_safety[GIT_SHA1_RAWSZ], head[GIT_SHA1_RAWSZ]; + struct object_id abort_safety, head; if (file_exists(am_path(state, "dirtyindex"))) return 0; if (read_state_file(&sb, state, "abort-safety", 1) > 0) { - if (get_sha1_hex(sb.buf, abort_safety)) + if (get_oid_hex(sb.buf, &abort_safety)) die(_("could not parse %s"), am_path(state, "abort_safety")); } else - hashclr(abort_safety); + oidclr(&abort_safety); - if (get_sha1("HEAD", head)) - hashclr(head); + if (get_oid("HEAD", &head)) + oidclr(&head); - if (!hashcmp(head, abort_safety)) + if (!oidcmp(&head, &abort_safety)) return 1; error(_("You seem to have moved HEAD since the last 'am' failure.\n" @@ -2137,7 +2145,7 @@ static int safe_to_abort(const struct am_state *state) */ static void am_abort(struct am_state *state) { - unsigned char curr_head[GIT_SHA1_RAWSZ], orig_head[GIT_SHA1_RAWSZ]; + struct object_id curr_head, orig_head; int has_curr_head, has_orig_head; char *curr_branch; @@ -2148,20 +2156,20 @@ static void am_abort(struct am_state *state) am_rerere_clear(); - curr_branch = resolve_refdup("HEAD", 0, curr_head, NULL); - has_curr_head = !is_null_sha1(curr_head); + curr_branch = resolve_refdup("HEAD", 0, curr_head.hash, NULL); + has_curr_head = !is_null_oid(&curr_head); if (!has_curr_head) - hashcpy(curr_head, EMPTY_TREE_SHA1_BIN); + hashcpy(curr_head.hash, EMPTY_TREE_SHA1_BIN); - has_orig_head = !get_sha1("ORIG_HEAD", orig_head); + has_orig_head = !get_oid("ORIG_HEAD", &orig_head); if (!has_orig_head) - hashcpy(orig_head, EMPTY_TREE_SHA1_BIN); + hashcpy(orig_head.hash, EMPTY_TREE_SHA1_BIN); - clean_index(curr_head, orig_head); + clean_index(&curr_head, &orig_head); if (has_orig_head) - update_ref("am --abort", "HEAD", orig_head, - has_curr_head ? curr_head : NULL, 0, + update_ref_oid("am --abort", "HEAD", &orig_head, + has_curr_head ? &curr_head : NULL, 0, UPDATE_REFS_DIE_ON_ERR); else if (curr_branch) delete_ref(curr_branch, NULL, REF_NODEREF); diff --git a/builtin/apply.c b/builtin/apply.c index 1a488f9e88..81b9a61c37 100644 --- a/builtin/apply.c +++ b/builtin/apply.c @@ -1,4793 +1,16 @@ -/* - * apply.c - * - * Copyright (C) Linus Torvalds, 2005 - * - * This applies patches on top of some (arbitrary) version of the SCM. - * - */ #include "cache.h" -#include "lockfile.h" -#include "cache-tree.h" -#include "quote.h" -#include "blob.h" -#include "delta.h" #include "builtin.h" -#include "string-list.h" -#include "dir.h" -#include "diff.h" #include "parse-options.h" -#include "xdiff-interface.h" -#include "ll-merge.h" -#include "rerere.h" - -enum ws_error_action { - nowarn_ws_error, - warn_on_ws_error, - die_on_ws_error, - correct_ws_error -}; - - -enum ws_ignore { - ignore_ws_none, - ignore_ws_change -}; - -/* - * We need to keep track of how symlinks in the preimage are - * manipulated by the patches. A patch to add a/b/c where a/b - * is a symlink should not be allowed to affect the directory - * the symlink points at, but if the same patch removes a/b, - * it is perfectly fine, as the patch removes a/b to make room - * to create a directory a/b so that a/b/c can be created. - * - * See also "struct string_list symlink_changes" in "struct - * apply_state". - */ -#define SYMLINK_GOES_AWAY 01 -#define SYMLINK_IN_RESULT 02 - -struct apply_state { - const char *prefix; - int prefix_length; - - /* These are lock_file related */ - struct lock_file *lock_file; - int newfd; - - /* These control what gets looked at and modified */ - int apply; /* this is not a dry-run */ - int cached; /* apply to the index only */ - int check; /* preimage must match working tree, don't actually apply */ - int check_index; /* preimage must match the indexed version */ - int update_index; /* check_index && apply */ - - /* These control cosmetic aspect of the output */ - int diffstat; /* just show a diffstat, and don't actually apply */ - int numstat; /* just show a numeric diffstat, and don't actually apply */ - int summary; /* just report creation, deletion, etc, and don't actually apply */ - - /* These boolean parameters control how the apply is done */ - int allow_overlap; - int apply_in_reverse; - int apply_with_reject; - int apply_verbosely; - int no_add; - int threeway; - int unidiff_zero; - int unsafe_paths; - - /* Other non boolean parameters */ - const char *fake_ancestor; - const char *patch_input_file; - int line_termination; - struct strbuf root; - int p_value; - int p_value_known; - unsigned int p_context; - - /* Exclude and include path parameters */ - struct string_list limit_by_name; - int has_include; - - /* Various "current state" */ - int linenr; /* current line number */ - struct string_list symlink_changes; /* we have to track symlinks */ - - /* - * For "diff-stat" like behaviour, we keep track of the biggest change - * we've seen, and the longest filename. That allows us to do simple - * scaling. - */ - int max_change; - int max_len; - - /* - * Records filenames that have been touched, in order to handle - * the case where more than one patches touch the same file. - */ - struct string_list fn_table; - - /* These control whitespace errors */ - enum ws_error_action ws_error_action; - enum ws_ignore ws_ignore_action; - const char *whitespace_option; - int whitespace_error; - int squelch_whitespace_errors; - int applied_after_fixing_ws; -}; +#include "lockfile.h" +#include "apply.h" static const char * const apply_usage[] = { N_("git apply [<options>] [<patch>...]"), NULL }; -static void parse_whitespace_option(struct apply_state *state, const char *option) -{ - if (!option) { - state->ws_error_action = warn_on_ws_error; - return; - } - if (!strcmp(option, "warn")) { - state->ws_error_action = warn_on_ws_error; - return; - } - if (!strcmp(option, "nowarn")) { - state->ws_error_action = nowarn_ws_error; - return; - } - if (!strcmp(option, "error")) { - state->ws_error_action = die_on_ws_error; - return; - } - if (!strcmp(option, "error-all")) { - state->ws_error_action = die_on_ws_error; - state->squelch_whitespace_errors = 0; - return; - } - if (!strcmp(option, "strip") || !strcmp(option, "fix")) { - state->ws_error_action = correct_ws_error; - return; - } - die(_("unrecognized whitespace option '%s'"), option); -} - -static void parse_ignorewhitespace_option(struct apply_state *state, - const char *option) -{ - if (!option || !strcmp(option, "no") || - !strcmp(option, "false") || !strcmp(option, "never") || - !strcmp(option, "none")) { - state->ws_ignore_action = ignore_ws_none; - return; - } - if (!strcmp(option, "change")) { - state->ws_ignore_action = ignore_ws_change; - return; - } - die(_("unrecognized whitespace ignore option '%s'"), option); -} - -static void set_default_whitespace_mode(struct apply_state *state) -{ - if (!state->whitespace_option && !apply_default_whitespace) - state->ws_error_action = (state->apply ? warn_on_ws_error : nowarn_ws_error); -} - -/* - * This represents one "hunk" from a patch, starting with - * "@@ -oldpos,oldlines +newpos,newlines @@" marker. The - * patch text is pointed at by patch, and its byte length - * is stored in size. leading and trailing are the number - * of context lines. - */ -struct fragment { - unsigned long leading, trailing; - unsigned long oldpos, oldlines; - unsigned long newpos, newlines; - /* - * 'patch' is usually borrowed from buf in apply_patch(), - * but some codepaths store an allocated buffer. - */ - const char *patch; - unsigned free_patch:1, - rejected:1; - int size; - int linenr; - struct fragment *next; -}; - -/* - * When dealing with a binary patch, we reuse "leading" field - * to store the type of the binary hunk, either deflated "delta" - * or deflated "literal". - */ -#define binary_patch_method leading -#define BINARY_DELTA_DEFLATED 1 -#define BINARY_LITERAL_DEFLATED 2 - -/* - * This represents a "patch" to a file, both metainfo changes - * such as creation/deletion, filemode and content changes represented - * as a series of fragments. - */ -struct patch { - char *new_name, *old_name, *def_name; - unsigned int old_mode, new_mode; - int is_new, is_delete; /* -1 = unknown, 0 = false, 1 = true */ - int rejected; - unsigned ws_rule; - int lines_added, lines_deleted; - int score; - unsigned int is_toplevel_relative:1; - unsigned int inaccurate_eof:1; - unsigned int is_binary:1; - unsigned int is_copy:1; - unsigned int is_rename:1; - unsigned int recount:1; - unsigned int conflicted_threeway:1; - unsigned int direct_to_threeway:1; - struct fragment *fragments; - char *result; - size_t resultsize; - char old_sha1_prefix[41]; - char new_sha1_prefix[41]; - struct patch *next; - - /* three-way fallback result */ - struct object_id threeway_stage[3]; -}; - -static void free_fragment_list(struct fragment *list) -{ - while (list) { - struct fragment *next = list->next; - if (list->free_patch) - free((char *)list->patch); - free(list); - list = next; - } -} - -static void free_patch(struct patch *patch) -{ - free_fragment_list(patch->fragments); - free(patch->def_name); - free(patch->old_name); - free(patch->new_name); - free(patch->result); - free(patch); -} - -static void free_patch_list(struct patch *list) -{ - while (list) { - struct patch *next = list->next; - free_patch(list); - list = next; - } -} - -/* - * A line in a file, len-bytes long (includes the terminating LF, - * except for an incomplete line at the end if the file ends with - * one), and its contents hashes to 'hash'. - */ -struct line { - size_t len; - unsigned hash : 24; - unsigned flag : 8; -#define LINE_COMMON 1 -#define LINE_PATCHED 2 -}; - -/* - * This represents a "file", which is an array of "lines". - */ -struct image { - char *buf; - size_t len; - size_t nr; - size_t alloc; - struct line *line_allocated; - struct line *line; -}; - -static uint32_t hash_line(const char *cp, size_t len) -{ - size_t i; - uint32_t h; - for (i = 0, h = 0; i < len; i++) { - if (!isspace(cp[i])) { - h = h * 3 + (cp[i] & 0xff); - } - } - return h; -} - -/* - * Compare lines s1 of length n1 and s2 of length n2, ignoring - * whitespace difference. Returns 1 if they match, 0 otherwise - */ -static int fuzzy_matchlines(const char *s1, size_t n1, - const char *s2, size_t n2) -{ - const char *last1 = s1 + n1 - 1; - const char *last2 = s2 + n2 - 1; - int result = 0; - - /* ignore line endings */ - while ((*last1 == '\r') || (*last1 == '\n')) - last1--; - while ((*last2 == '\r') || (*last2 == '\n')) - last2--; - - /* skip leading whitespaces, if both begin with whitespace */ - if (s1 <= last1 && s2 <= last2 && isspace(*s1) && isspace(*s2)) { - while (isspace(*s1) && (s1 <= last1)) - s1++; - while (isspace(*s2) && (s2 <= last2)) - s2++; - } - /* early return if both lines are empty */ - if ((s1 > last1) && (s2 > last2)) - return 1; - while (!result) { - result = *s1++ - *s2++; - /* - * Skip whitespace inside. We check for whitespace on - * both buffers because we don't want "a b" to match - * "ab" - */ - if (isspace(*s1) && isspace(*s2)) { - while (isspace(*s1) && s1 <= last1) - s1++; - while (isspace(*s2) && s2 <= last2) - s2++; - } - /* - * If we reached the end on one side only, - * lines don't match - */ - if ( - ((s2 > last2) && (s1 <= last1)) || - ((s1 > last1) && (s2 <= last2))) - return 0; - if ((s1 > last1) && (s2 > last2)) - break; - } - - return !result; -} - -static void add_line_info(struct image *img, const char *bol, size_t len, unsigned flag) -{ - ALLOC_GROW(img->line_allocated, img->nr + 1, img->alloc); - img->line_allocated[img->nr].len = len; - img->line_allocated[img->nr].hash = hash_line(bol, len); - img->line_allocated[img->nr].flag = flag; - img->nr++; -} - -/* - * "buf" has the file contents to be patched (read from various sources). - * attach it to "image" and add line-based index to it. - * "image" now owns the "buf". - */ -static void prepare_image(struct image *image, char *buf, size_t len, - int prepare_linetable) -{ - const char *cp, *ep; - - memset(image, 0, sizeof(*image)); - image->buf = buf; - image->len = len; - - if (!prepare_linetable) - return; - - ep = image->buf + image->len; - cp = image->buf; - while (cp < ep) { - const char *next; - for (next = cp; next < ep && *next != '\n'; next++) - ; - if (next < ep) - next++; - add_line_info(image, cp, next - cp, 0); - cp = next; - } - image->line = image->line_allocated; -} - -static void clear_image(struct image *image) -{ - free(image->buf); - free(image->line_allocated); - memset(image, 0, sizeof(*image)); -} - -/* fmt must contain _one_ %s and no other substitution */ -static void say_patch_name(FILE *output, const char *fmt, struct patch *patch) -{ - struct strbuf sb = STRBUF_INIT; - - if (patch->old_name && patch->new_name && - strcmp(patch->old_name, patch->new_name)) { - quote_c_style(patch->old_name, &sb, NULL, 0); - strbuf_addstr(&sb, " => "); - quote_c_style(patch->new_name, &sb, NULL, 0); - } else { - const char *n = patch->new_name; - if (!n) - n = patch->old_name; - quote_c_style(n, &sb, NULL, 0); - } - fprintf(output, fmt, sb.buf); - fputc('\n', output); - strbuf_release(&sb); -} - -#define SLOP (16) - -static void read_patch_file(struct strbuf *sb, int fd) -{ - if (strbuf_read(sb, fd, 0) < 0) - die_errno("git apply: failed to read"); - - /* - * Make sure that we have some slop in the buffer - * so that we can do speculative "memcmp" etc, and - * see to it that it is NUL-filled. - */ - strbuf_grow(sb, SLOP); - memset(sb->buf + sb->len, 0, SLOP); -} - -static unsigned long linelen(const char *buffer, unsigned long size) -{ - unsigned long len = 0; - while (size--) { - len++; - if (*buffer++ == '\n') - break; - } - return len; -} - -static int is_dev_null(const char *str) -{ - return skip_prefix(str, "/dev/null", &str) && isspace(*str); -} - -#define TERM_SPACE 1 -#define TERM_TAB 2 - -static int name_terminate(int c, int terminate) -{ - if (c == ' ' && !(terminate & TERM_SPACE)) - return 0; - if (c == '\t' && !(terminate & TERM_TAB)) - return 0; - - return 1; -} - -/* remove double slashes to make --index work with such filenames */ -static char *squash_slash(char *name) -{ - int i = 0, j = 0; - - if (!name) - return NULL; - - while (name[i]) { - if ((name[j++] = name[i++]) == '/') - while (name[i] == '/') - i++; - } - name[j] = '\0'; - return name; -} - -static char *find_name_gnu(struct apply_state *state, - const char *line, - const char *def, - int p_value) -{ - struct strbuf name = STRBUF_INIT; - char *cp; - - /* - * Proposed "new-style" GNU patch/diff format; see - * http://marc.info/?l=git&m=112927316408690&w=2 - */ - if (unquote_c_style(&name, line, NULL)) { - strbuf_release(&name); - return NULL; - } - - for (cp = name.buf; p_value; p_value--) { - cp = strchr(cp, '/'); - if (!cp) { - strbuf_release(&name); - return NULL; - } - cp++; - } - - strbuf_remove(&name, 0, cp - name.buf); - if (state->root.len) - strbuf_insert(&name, 0, state->root.buf, state->root.len); - return squash_slash(strbuf_detach(&name, NULL)); -} - -static size_t sane_tz_len(const char *line, size_t len) -{ - const char *tz, *p; - - if (len < strlen(" +0500") || line[len-strlen(" +0500")] != ' ') - return 0; - tz = line + len - strlen(" +0500"); - - if (tz[1] != '+' && tz[1] != '-') - return 0; - - for (p = tz + 2; p != line + len; p++) - if (!isdigit(*p)) - return 0; - - return line + len - tz; -} - -static size_t tz_with_colon_len(const char *line, size_t len) -{ - const char *tz, *p; - - if (len < strlen(" +08:00") || line[len - strlen(":00")] != ':') - return 0; - tz = line + len - strlen(" +08:00"); - - if (tz[0] != ' ' || (tz[1] != '+' && tz[1] != '-')) - return 0; - p = tz + 2; - if (!isdigit(*p++) || !isdigit(*p++) || *p++ != ':' || - !isdigit(*p++) || !isdigit(*p++)) - return 0; - - return line + len - tz; -} - -static size_t date_len(const char *line, size_t len) -{ - const char *date, *p; - - if (len < strlen("72-02-05") || line[len-strlen("-05")] != '-') - return 0; - p = date = line + len - strlen("72-02-05"); - - if (!isdigit(*p++) || !isdigit(*p++) || *p++ != '-' || - !isdigit(*p++) || !isdigit(*p++) || *p++ != '-' || - !isdigit(*p++) || !isdigit(*p++)) /* Not a date. */ - return 0; - - if (date - line >= strlen("19") && - isdigit(date[-1]) && isdigit(date[-2])) /* 4-digit year */ - date -= strlen("19"); - - return line + len - date; -} - -static size_t short_time_len(const char *line, size_t len) -{ - const char *time, *p; - - if (len < strlen(" 07:01:32") || line[len-strlen(":32")] != ':') - return 0; - p = time = line + len - strlen(" 07:01:32"); - - /* Permit 1-digit hours? */ - if (*p++ != ' ' || - !isdigit(*p++) || !isdigit(*p++) || *p++ != ':' || - !isdigit(*p++) || !isdigit(*p++) || *p++ != ':' || - !isdigit(*p++) || !isdigit(*p++)) /* Not a time. */ - return 0; - - return line + len - time; -} - -static size_t fractional_time_len(const char *line, size_t len) -{ - const char *p; - size_t n; - - /* Expected format: 19:41:17.620000023 */ - if (!len || !isdigit(line[len - 1])) - return 0; - p = line + len - 1; - - /* Fractional seconds. */ - while (p > line && isdigit(*p)) - p--; - if (*p != '.') - return 0; - - /* Hours, minutes, and whole seconds. */ - n = short_time_len(line, p - line); - if (!n) - return 0; - - return line + len - p + n; -} - -static size_t trailing_spaces_len(const char *line, size_t len) -{ - const char *p; - - /* Expected format: ' ' x (1 or more) */ - if (!len || line[len - 1] != ' ') - return 0; - - p = line + len; - while (p != line) { - p--; - if (*p != ' ') - return line + len - (p + 1); - } - - /* All spaces! */ - return len; -} - -static size_t diff_timestamp_len(const char *line, size_t len) -{ - const char *end = line + len; - size_t n; - - /* - * Posix: 2010-07-05 19:41:17 - * GNU: 2010-07-05 19:41:17.620000023 -0500 - */ - - if (!isdigit(end[-1])) - return 0; - - n = sane_tz_len(line, end - line); - if (!n) - n = tz_with_colon_len(line, end - line); - end -= n; - - n = short_time_len(line, end - line); - if (!n) - n = fractional_time_len(line, end - line); - end -= n; - - n = date_len(line, end - line); - if (!n) /* No date. Too bad. */ - return 0; - end -= n; - - if (end == line) /* No space before date. */ - return 0; - if (end[-1] == '\t') { /* Success! */ - end--; - return line + len - end; - } - if (end[-1] != ' ') /* No space before date. */ - return 0; - - /* Whitespace damage. */ - end -= trailing_spaces_len(line, end - line); - return line + len - end; -} - -static char *find_name_common(struct apply_state *state, - const char *line, - const char *def, - int p_value, - const char *end, - int terminate) -{ - int len; - const char *start = NULL; - - if (p_value == 0) - start = line; - while (line != end) { - char c = *line; - - if (!end && isspace(c)) { - if (c == '\n') - break; - if (name_terminate(c, terminate)) - break; - } - line++; - if (c == '/' && !--p_value) - start = line; - } - if (!start) - return squash_slash(xstrdup_or_null(def)); - len = line - start; - if (!len) - return squash_slash(xstrdup_or_null(def)); - - /* - * Generally we prefer the shorter name, especially - * if the other one is just a variation of that with - * something else tacked on to the end (ie "file.orig" - * or "file~"). - */ - if (def) { - int deflen = strlen(def); - if (deflen < len && !strncmp(start, def, deflen)) - return squash_slash(xstrdup(def)); - } - - if (state->root.len) { - char *ret = xstrfmt("%s%.*s", state->root.buf, len, start); - return squash_slash(ret); - } - - return squash_slash(xmemdupz(start, len)); -} - -static char *find_name(struct apply_state *state, - const char *line, - char *def, - int p_value, - int terminate) -{ - if (*line == '"') { - char *name = find_name_gnu(state, line, def, p_value); - if (name) - return name; - } - - return find_name_common(state, line, def, p_value, NULL, terminate); -} - -static char *find_name_traditional(struct apply_state *state, - const char *line, - char *def, - int p_value) -{ - size_t len; - size_t date_len; - - if (*line == '"') { - char *name = find_name_gnu(state, line, def, p_value); - if (name) - return name; - } - - len = strchrnul(line, '\n') - line; - date_len = diff_timestamp_len(line, len); - if (!date_len) - return find_name_common(state, line, def, p_value, NULL, TERM_TAB); - len -= date_len; - - return find_name_common(state, line, def, p_value, line + len, 0); -} - -static int count_slashes(const char *cp) -{ - int cnt = 0; - char ch; - - while ((ch = *cp++)) - if (ch == '/') - cnt++; - return cnt; -} - -/* - * Given the string after "--- " or "+++ ", guess the appropriate - * p_value for the given patch. - */ -static int guess_p_value(struct apply_state *state, const char *nameline) -{ - char *name, *cp; - int val = -1; - - if (is_dev_null(nameline)) - return -1; - name = find_name_traditional(state, nameline, NULL, 0); - if (!name) - return -1; - cp = strchr(name, '/'); - if (!cp) - val = 0; - else if (state->prefix) { - /* - * Does it begin with "a/$our-prefix" and such? Then this is - * very likely to apply to our directory. - */ - if (!strncmp(name, state->prefix, state->prefix_length)) - val = count_slashes(state->prefix); - else { - cp++; - if (!strncmp(cp, state->prefix, state->prefix_length)) - val = count_slashes(state->prefix) + 1; - } - } - free(name); - return val; -} - -/* - * Does the ---/+++ line have the POSIX timestamp after the last HT? - * GNU diff puts epoch there to signal a creation/deletion event. Is - * this such a timestamp? - */ -static int has_epoch_timestamp(const char *nameline) -{ - /* - * We are only interested in epoch timestamp; any non-zero - * fraction cannot be one, hence "(\.0+)?" in the regexp below. - * For the same reason, the date must be either 1969-12-31 or - * 1970-01-01, and the seconds part must be "00". - */ - const char stamp_regexp[] = - "^(1969-12-31|1970-01-01)" - " " - "[0-2][0-9]:[0-5][0-9]:00(\\.0+)?" - " " - "([-+][0-2][0-9]:?[0-5][0-9])\n"; - const char *timestamp = NULL, *cp, *colon; - static regex_t *stamp; - regmatch_t m[10]; - int zoneoffset; - int hourminute; - int status; - - for (cp = nameline; *cp != '\n'; cp++) { - if (*cp == '\t') - timestamp = cp + 1; - } - if (!timestamp) - return 0; - if (!stamp) { - stamp = xmalloc(sizeof(*stamp)); - if (regcomp(stamp, stamp_regexp, REG_EXTENDED)) { - warning(_("Cannot prepare timestamp regexp %s"), - stamp_regexp); - return 0; - } - } - - status = regexec(stamp, timestamp, ARRAY_SIZE(m), m, 0); - if (status) { - if (status != REG_NOMATCH) - warning(_("regexec returned %d for input: %s"), - status, timestamp); - return 0; - } - - zoneoffset = strtol(timestamp + m[3].rm_so + 1, (char **) &colon, 10); - if (*colon == ':') - zoneoffset = zoneoffset * 60 + strtol(colon + 1, NULL, 10); - else - zoneoffset = (zoneoffset / 100) * 60 + (zoneoffset % 100); - if (timestamp[m[3].rm_so] == '-') - zoneoffset = -zoneoffset; - - /* - * YYYY-MM-DD hh:mm:ss must be from either 1969-12-31 - * (west of GMT) or 1970-01-01 (east of GMT) - */ - if ((zoneoffset < 0 && memcmp(timestamp, "1969-12-31", 10)) || - (0 <= zoneoffset && memcmp(timestamp, "1970-01-01", 10))) - return 0; - - hourminute = (strtol(timestamp + 11, NULL, 10) * 60 + - strtol(timestamp + 14, NULL, 10) - - zoneoffset); - - return ((zoneoffset < 0 && hourminute == 1440) || - (0 <= zoneoffset && !hourminute)); -} - -/* - * Get the name etc info from the ---/+++ lines of a traditional patch header - * - * FIXME! The end-of-filename heuristics are kind of screwy. For existing - * files, we can happily check the index for a match, but for creating a - * new file we should try to match whatever "patch" does. I have no idea. - */ -static void parse_traditional_patch(struct apply_state *state, - const char *first, - const char *second, - struct patch *patch) -{ - char *name; - - first += 4; /* skip "--- " */ - second += 4; /* skip "+++ " */ - if (!state->p_value_known) { - int p, q; - p = guess_p_value(state, first); - q = guess_p_value(state, second); - if (p < 0) p = q; - if (0 <= p && p == q) { - state->p_value = p; - state->p_value_known = 1; - } - } - if (is_dev_null(first)) { - patch->is_new = 1; - patch->is_delete = 0; - name = find_name_traditional(state, second, NULL, state->p_value); - patch->new_name = name; - } else if (is_dev_null(second)) { - patch->is_new = 0; - patch->is_delete = 1; - name = find_name_traditional(state, first, NULL, state->p_value); - patch->old_name = name; - } else { - char *first_name; - first_name = find_name_traditional(state, first, NULL, state->p_value); - name = find_name_traditional(state, second, first_name, state->p_value); - free(first_name); - if (has_epoch_timestamp(first)) { - patch->is_new = 1; - patch->is_delete = 0; - patch->new_name = name; - } else if (has_epoch_timestamp(second)) { - patch->is_new = 0; - patch->is_delete = 1; - patch->old_name = name; - } else { - patch->old_name = name; - patch->new_name = xstrdup_or_null(name); - } - } - if (!name) - die(_("unable to find filename in patch at line %d"), state->linenr); -} - -static int gitdiff_hdrend(struct apply_state *state, - const char *line, - struct patch *patch) -{ - return -1; -} - -/* - * We're anal about diff header consistency, to make - * sure that we don't end up having strange ambiguous - * patches floating around. - * - * As a result, gitdiff_{old|new}name() will check - * their names against any previous information, just - * to make sure.. - */ -#define DIFF_OLD_NAME 0 -#define DIFF_NEW_NAME 1 - -static void gitdiff_verify_name(struct apply_state *state, - const char *line, - int isnull, - char **name, - int side) -{ - if (!*name && !isnull) { - *name = find_name(state, line, NULL, state->p_value, TERM_TAB); - return; - } - - if (*name) { - int len = strlen(*name); - char *another; - if (isnull) - die(_("git apply: bad git-diff - expected /dev/null, got %s on line %d"), - *name, state->linenr); - another = find_name(state, line, NULL, state->p_value, TERM_TAB); - if (!another || memcmp(another, *name, len + 1)) - die((side == DIFF_NEW_NAME) ? - _("git apply: bad git-diff - inconsistent new filename on line %d") : - _("git apply: bad git-diff - inconsistent old filename on line %d"), state->linenr); - free(another); - } else { - /* expect "/dev/null" */ - if (memcmp("/dev/null", line, 9) || line[9] != '\n') - die(_("git apply: bad git-diff - expected /dev/null on line %d"), state->linenr); - } -} - -static int gitdiff_oldname(struct apply_state *state, - const char *line, - struct patch *patch) -{ - gitdiff_verify_name(state, line, - patch->is_new, &patch->old_name, - DIFF_OLD_NAME); - return 0; -} - -static int gitdiff_newname(struct apply_state *state, - const char *line, - struct patch *patch) -{ - gitdiff_verify_name(state, line, - patch->is_delete, &patch->new_name, - DIFF_NEW_NAME); - return 0; -} - -static int gitdiff_oldmode(struct apply_state *state, - const char *line, - struct patch *patch) -{ - patch->old_mode = strtoul(line, NULL, 8); - return 0; -} - -static int gitdiff_newmode(struct apply_state *state, - const char *line, - struct patch *patch) -{ - patch->new_mode = strtoul(line, NULL, 8); - return 0; -} - -static int gitdiff_delete(struct apply_state *state, - const char *line, - struct patch *patch) -{ - patch->is_delete = 1; - free(patch->old_name); - patch->old_name = xstrdup_or_null(patch->def_name); - return gitdiff_oldmode(state, line, patch); -} - -static int gitdiff_newfile(struct apply_state *state, - const char *line, - struct patch *patch) -{ - patch->is_new = 1; - free(patch->new_name); - patch->new_name = xstrdup_or_null(patch->def_name); - return gitdiff_newmode(state, line, patch); -} - -static int gitdiff_copysrc(struct apply_state *state, - const char *line, - struct patch *patch) -{ - patch->is_copy = 1; - free(patch->old_name); - patch->old_name = find_name(state, line, NULL, state->p_value ? state->p_value - 1 : 0, 0); - return 0; -} - -static int gitdiff_copydst(struct apply_state *state, - const char *line, - struct patch *patch) -{ - patch->is_copy = 1; - free(patch->new_name); - patch->new_name = find_name(state, line, NULL, state->p_value ? state->p_value - 1 : 0, 0); - return 0; -} - -static int gitdiff_renamesrc(struct apply_state *state, - const char *line, - struct patch *patch) -{ - patch->is_rename = 1; - free(patch->old_name); - patch->old_name = find_name(state, line, NULL, state->p_value ? state->p_value - 1 : 0, 0); - return 0; -} - -static int gitdiff_renamedst(struct apply_state *state, - const char *line, - struct patch *patch) -{ - patch->is_rename = 1; - free(patch->new_name); - patch->new_name = find_name(state, line, NULL, state->p_value ? state->p_value - 1 : 0, 0); - return 0; -} - -static int gitdiff_similarity(struct apply_state *state, - const char *line, - struct patch *patch) -{ - unsigned long val = strtoul(line, NULL, 10); - if (val <= 100) - patch->score = val; - return 0; -} - -static int gitdiff_dissimilarity(struct apply_state *state, - const char *line, - struct patch *patch) -{ - unsigned long val = strtoul(line, NULL, 10); - if (val <= 100) - patch->score = val; - return 0; -} - -static int gitdiff_index(struct apply_state *state, - const char *line, - struct patch *patch) -{ - /* - * index line is N hexadecimal, "..", N hexadecimal, - * and optional space with octal mode. - */ - const char *ptr, *eol; - int len; - - ptr = strchr(line, '.'); - if (!ptr || ptr[1] != '.' || 40 < ptr - line) - return 0; - len = ptr - line; - memcpy(patch->old_sha1_prefix, line, len); - patch->old_sha1_prefix[len] = 0; - - line = ptr + 2; - ptr = strchr(line, ' '); - eol = strchrnul(line, '\n'); - - if (!ptr || eol < ptr) - ptr = eol; - len = ptr - line; - - if (40 < len) - return 0; - memcpy(patch->new_sha1_prefix, line, len); - patch->new_sha1_prefix[len] = 0; - if (*ptr == ' ') - patch->old_mode = strtoul(ptr+1, NULL, 8); - return 0; -} - -/* - * This is normal for a diff that doesn't change anything: we'll fall through - * into the next diff. Tell the parser to break out. - */ -static int gitdiff_unrecognized(struct apply_state *state, - const char *line, - struct patch *patch) -{ - return -1; -} - -/* - * Skip p_value leading components from "line"; as we do not accept - * absolute paths, return NULL in that case. - */ -static const char *skip_tree_prefix(struct apply_state *state, - const char *line, - int llen) -{ - int nslash; - int i; - - if (!state->p_value) - return (llen && line[0] == '/') ? NULL : line; - - nslash = state->p_value; - for (i = 0; i < llen; i++) { - int ch = line[i]; - if (ch == '/' && --nslash <= 0) - return (i == 0) ? NULL : &line[i + 1]; - } - return NULL; -} - -/* - * This is to extract the same name that appears on "diff --git" - * line. We do not find and return anything if it is a rename - * patch, and it is OK because we will find the name elsewhere. - * We need to reliably find name only when it is mode-change only, - * creation or deletion of an empty file. In any of these cases, - * both sides are the same name under a/ and b/ respectively. - */ -static char *git_header_name(struct apply_state *state, - const char *line, - int llen) -{ - const char *name; - const char *second = NULL; - size_t len, line_len; - - line += strlen("diff --git "); - llen -= strlen("diff --git "); - - if (*line == '"') { - const char *cp; - struct strbuf first = STRBUF_INIT; - struct strbuf sp = STRBUF_INIT; - - if (unquote_c_style(&first, line, &second)) - goto free_and_fail1; - - /* strip the a/b prefix including trailing slash */ - cp = skip_tree_prefix(state, first.buf, first.len); - if (!cp) - goto free_and_fail1; - strbuf_remove(&first, 0, cp - first.buf); - - /* - * second points at one past closing dq of name. - * find the second name. - */ - while ((second < line + llen) && isspace(*second)) - second++; - - if (line + llen <= second) - goto free_and_fail1; - if (*second == '"') { - if (unquote_c_style(&sp, second, NULL)) - goto free_and_fail1; - cp = skip_tree_prefix(state, sp.buf, sp.len); - if (!cp) - goto free_and_fail1; - /* They must match, otherwise ignore */ - if (strcmp(cp, first.buf)) - goto free_and_fail1; - strbuf_release(&sp); - return strbuf_detach(&first, NULL); - } - - /* unquoted second */ - cp = skip_tree_prefix(state, second, line + llen - second); - if (!cp) - goto free_and_fail1; - if (line + llen - cp != first.len || - memcmp(first.buf, cp, first.len)) - goto free_and_fail1; - return strbuf_detach(&first, NULL); - - free_and_fail1: - strbuf_release(&first); - strbuf_release(&sp); - return NULL; - } - - /* unquoted first name */ - name = skip_tree_prefix(state, line, llen); - if (!name) - return NULL; - - /* - * since the first name is unquoted, a dq if exists must be - * the beginning of the second name. - */ - for (second = name; second < line + llen; second++) { - if (*second == '"') { - struct strbuf sp = STRBUF_INIT; - const char *np; - - if (unquote_c_style(&sp, second, NULL)) - goto free_and_fail2; - - np = skip_tree_prefix(state, sp.buf, sp.len); - if (!np) - goto free_and_fail2; - - len = sp.buf + sp.len - np; - if (len < second - name && - !strncmp(np, name, len) && - isspace(name[len])) { - /* Good */ - strbuf_remove(&sp, 0, np - sp.buf); - return strbuf_detach(&sp, NULL); - } - - free_and_fail2: - strbuf_release(&sp); - return NULL; - } - } - - /* - * Accept a name only if it shows up twice, exactly the same - * form. - */ - second = strchr(name, '\n'); - if (!second) - return NULL; - line_len = second - name; - for (len = 0 ; ; len++) { - switch (name[len]) { - default: - continue; - case '\n': - return NULL; - case '\t': case ' ': - /* - * Is this the separator between the preimage - * and the postimage pathname? Again, we are - * only interested in the case where there is - * no rename, as this is only to set def_name - * and a rename patch has the names elsewhere - * in an unambiguous form. - */ - if (!name[len + 1]) - return NULL; /* no postimage name */ - second = skip_tree_prefix(state, name + len + 1, - line_len - (len + 1)); - if (!second) - return NULL; - /* - * Does len bytes starting at "name" and "second" - * (that are separated by one HT or SP we just - * found) exactly match? - */ - if (second[len] == '\n' && !strncmp(name, second, len)) - return xmemdupz(name, len); - } - } -} - -/* Verify that we recognize the lines following a git header */ -static int parse_git_header(struct apply_state *state, - const char *line, - int len, - unsigned int size, - struct patch *patch) -{ - unsigned long offset; - - /* A git diff has explicit new/delete information, so we don't guess */ - patch->is_new = 0; - patch->is_delete = 0; - - /* - * Some things may not have the old name in the - * rest of the headers anywhere (pure mode changes, - * or removing or adding empty files), so we get - * the default name from the header. - */ - patch->def_name = git_header_name(state, line, len); - if (patch->def_name && state->root.len) { - char *s = xstrfmt("%s%s", state->root.buf, patch->def_name); - free(patch->def_name); - patch->def_name = s; - } - - line += len; - size -= len; - state->linenr++; - for (offset = len ; size > 0 ; offset += len, size -= len, line += len, state->linenr++) { - static const struct opentry { - const char *str; - int (*fn)(struct apply_state *, const char *, struct patch *); - } optable[] = { - { "@@ -", gitdiff_hdrend }, - { "--- ", gitdiff_oldname }, - { "+++ ", gitdiff_newname }, - { "old mode ", gitdiff_oldmode }, - { "new mode ", gitdiff_newmode }, - { "deleted file mode ", gitdiff_delete }, - { "new file mode ", gitdiff_newfile }, - { "copy from ", gitdiff_copysrc }, - { "copy to ", gitdiff_copydst }, - { "rename old ", gitdiff_renamesrc }, - { "rename new ", gitdiff_renamedst }, - { "rename from ", gitdiff_renamesrc }, - { "rename to ", gitdiff_renamedst }, - { "similarity index ", gitdiff_similarity }, - { "dissimilarity index ", gitdiff_dissimilarity }, - { "index ", gitdiff_index }, - { "", gitdiff_unrecognized }, - }; - int i; - - len = linelen(line, size); - if (!len || line[len-1] != '\n') - break; - for (i = 0; i < ARRAY_SIZE(optable); i++) { - const struct opentry *p = optable + i; - int oplen = strlen(p->str); - if (len < oplen || memcmp(p->str, line, oplen)) - continue; - if (p->fn(state, line + oplen, patch) < 0) - return offset; - break; - } - } - - return offset; -} - -static int parse_num(const char *line, unsigned long *p) -{ - char *ptr; - - if (!isdigit(*line)) - return 0; - *p = strtoul(line, &ptr, 10); - return ptr - line; -} - -static int parse_range(const char *line, int len, int offset, const char *expect, - unsigned long *p1, unsigned long *p2) -{ - int digits, ex; - - if (offset < 0 || offset >= len) - return -1; - line += offset; - len -= offset; - - digits = parse_num(line, p1); - if (!digits) - return -1; - - offset += digits; - line += digits; - len -= digits; - - *p2 = 1; - if (*line == ',') { - digits = parse_num(line+1, p2); - if (!digits) - return -1; - - offset += digits+1; - line += digits+1; - len -= digits+1; - } - - ex = strlen(expect); - if (ex > len) - return -1; - if (memcmp(line, expect, ex)) - return -1; - - return offset + ex; -} - -static void recount_diff(const char *line, int size, struct fragment *fragment) -{ - int oldlines = 0, newlines = 0, ret = 0; - - if (size < 1) { - warning("recount: ignore empty hunk"); - return; - } - - for (;;) { - int len = linelen(line, size); - size -= len; - line += len; - - if (size < 1) - break; - - switch (*line) { - case ' ': case '\n': - newlines++; - /* fall through */ - case '-': - oldlines++; - continue; - case '+': - newlines++; - continue; - case '\\': - continue; - case '@': - ret = size < 3 || !starts_with(line, "@@ "); - break; - case 'd': - ret = size < 5 || !starts_with(line, "diff "); - break; - default: - ret = -1; - break; - } - if (ret) { - warning(_("recount: unexpected line: %.*s"), - (int)linelen(line, size), line); - return; - } - break; - } - fragment->oldlines = oldlines; - fragment->newlines = newlines; -} - -/* - * Parse a unified diff fragment header of the - * form "@@ -a,b +c,d @@" - */ -static int parse_fragment_header(const char *line, int len, struct fragment *fragment) -{ - int offset; - - if (!len || line[len-1] != '\n') - return -1; - - /* Figure out the number of lines in a fragment */ - offset = parse_range(line, len, 4, " +", &fragment->oldpos, &fragment->oldlines); - offset = parse_range(line, len, offset, " @@", &fragment->newpos, &fragment->newlines); - - return offset; -} - -static int find_header(struct apply_state *state, - const char *line, - unsigned long size, - int *hdrsize, - struct patch *patch) -{ - unsigned long offset, len; - - patch->is_toplevel_relative = 0; - patch->is_rename = patch->is_copy = 0; - patch->is_new = patch->is_delete = -1; - patch->old_mode = patch->new_mode = 0; - patch->old_name = patch->new_name = NULL; - for (offset = 0; size > 0; offset += len, size -= len, line += len, state->linenr++) { - unsigned long nextlen; - - len = linelen(line, size); - if (!len) - break; - - /* Testing this early allows us to take a few shortcuts.. */ - if (len < 6) - continue; - - /* - * Make sure we don't find any unconnected patch fragments. - * That's a sign that we didn't find a header, and that a - * patch has become corrupted/broken up. - */ - if (!memcmp("@@ -", line, 4)) { - struct fragment dummy; - if (parse_fragment_header(line, len, &dummy) < 0) - continue; - die(_("patch fragment without header at line %d: %.*s"), - state->linenr, (int)len-1, line); - } - - if (size < len + 6) - break; - - /* - * Git patch? It might not have a real patch, just a rename - * or mode change, so we handle that specially - */ - if (!memcmp("diff --git ", line, 11)) { - int git_hdr_len = parse_git_header(state, line, len, size, patch); - if (git_hdr_len <= len) - continue; - if (!patch->old_name && !patch->new_name) { - if (!patch->def_name) - die(Q_("git diff header lacks filename information when removing " - "%d leading pathname component (line %d)", - "git diff header lacks filename information when removing " - "%d leading pathname components (line %d)", - state->p_value), - state->p_value, state->linenr); - patch->old_name = xstrdup(patch->def_name); - patch->new_name = xstrdup(patch->def_name); - } - if (!patch->is_delete && !patch->new_name) - die("git diff header lacks filename information " - "(line %d)", state->linenr); - patch->is_toplevel_relative = 1; - *hdrsize = git_hdr_len; - return offset; - } - - /* --- followed by +++ ? */ - if (memcmp("--- ", line, 4) || memcmp("+++ ", line + len, 4)) - continue; - - /* - * We only accept unified patches, so we want it to - * at least have "@@ -a,b +c,d @@\n", which is 14 chars - * minimum ("@@ -0,0 +1 @@\n" is the shortest). - */ - nextlen = linelen(line + len, size - len); - if (size < nextlen + 14 || memcmp("@@ -", line + len + nextlen, 4)) - continue; - - /* Ok, we'll consider it a patch */ - parse_traditional_patch(state, line, line+len, patch); - *hdrsize = len + nextlen; - state->linenr += 2; - return offset; - } - return -1; -} - -static void record_ws_error(struct apply_state *state, - unsigned result, - const char *line, - int len, - int linenr) -{ - char *err; - - if (!result) - return; - - state->whitespace_error++; - if (state->squelch_whitespace_errors && - state->squelch_whitespace_errors < state->whitespace_error) - return; - - err = whitespace_error_string(result); - fprintf(stderr, "%s:%d: %s.\n%.*s\n", - state->patch_input_file, linenr, err, len, line); - free(err); -} - -static void check_whitespace(struct apply_state *state, - const char *line, - int len, - unsigned ws_rule) -{ - unsigned result = ws_check(line + 1, len - 1, ws_rule); - - record_ws_error(state, result, line + 1, len - 2, state->linenr); -} - -/* - * Parse a unified diff. Note that this really needs to parse each - * fragment separately, since the only way to know the difference - * between a "---" that is part of a patch, and a "---" that starts - * the next patch is to look at the line counts.. - */ -static int parse_fragment(struct apply_state *state, - const char *line, - unsigned long size, - struct patch *patch, - struct fragment *fragment) -{ - int added, deleted; - int len = linelen(line, size), offset; - unsigned long oldlines, newlines; - unsigned long leading, trailing; - - offset = parse_fragment_header(line, len, fragment); - if (offset < 0) - return -1; - if (offset > 0 && patch->recount) - recount_diff(line + offset, size - offset, fragment); - oldlines = fragment->oldlines; - newlines = fragment->newlines; - leading = 0; - trailing = 0; - - /* Parse the thing.. */ - line += len; - size -= len; - state->linenr++; - added = deleted = 0; - for (offset = len; - 0 < size; - offset += len, size -= len, line += len, state->linenr++) { - if (!oldlines && !newlines) - break; - len = linelen(line, size); - if (!len || line[len-1] != '\n') - return -1; - switch (*line) { - default: - return -1; - case '\n': /* newer GNU diff, an empty context line */ - case ' ': - oldlines--; - newlines--; - if (!deleted && !added) - leading++; - trailing++; - if (!state->apply_in_reverse && - state->ws_error_action == correct_ws_error) - check_whitespace(state, line, len, patch->ws_rule); - break; - case '-': - if (state->apply_in_reverse && - state->ws_error_action != nowarn_ws_error) - check_whitespace(state, line, len, patch->ws_rule); - deleted++; - oldlines--; - trailing = 0; - break; - case '+': - if (!state->apply_in_reverse && - state->ws_error_action != nowarn_ws_error) - check_whitespace(state, line, len, patch->ws_rule); - added++; - newlines--; - trailing = 0; - break; - - /* - * We allow "\ No newline at end of file". Depending - * on locale settings when the patch was produced we - * don't know what this line looks like. The only - * thing we do know is that it begins with "\ ". - * Checking for 12 is just for sanity check -- any - * l10n of "\ No newline..." is at least that long. - */ - case '\\': - if (len < 12 || memcmp(line, "\\ ", 2)) - return -1; - break; - } - } - if (oldlines || newlines) - return -1; - if (!deleted && !added) - return -1; - - fragment->leading = leading; - fragment->trailing = trailing; - - /* - * If a fragment ends with an incomplete line, we failed to include - * it in the above loop because we hit oldlines == newlines == 0 - * before seeing it. - */ - if (12 < size && !memcmp(line, "\\ ", 2)) - offset += linelen(line, size); - - patch->lines_added += added; - patch->lines_deleted += deleted; - - if (0 < patch->is_new && oldlines) - return error(_("new file depends on old contents")); - if (0 < patch->is_delete && newlines) - return error(_("deleted file still has contents")); - return offset; -} - -/* - * We have seen "diff --git a/... b/..." header (or a traditional patch - * header). Read hunks that belong to this patch into fragments and hang - * them to the given patch structure. - * - * The (fragment->patch, fragment->size) pair points into the memory given - * by the caller, not a copy, when we return. - */ -static int parse_single_patch(struct apply_state *state, - const char *line, - unsigned long size, - struct patch *patch) -{ - unsigned long offset = 0; - unsigned long oldlines = 0, newlines = 0, context = 0; - struct fragment **fragp = &patch->fragments; - - while (size > 4 && !memcmp(line, "@@ -", 4)) { - struct fragment *fragment; - int len; - - fragment = xcalloc(1, sizeof(*fragment)); - fragment->linenr = state->linenr; - len = parse_fragment(state, line, size, patch, fragment); - if (len <= 0) - die(_("corrupt patch at line %d"), state->linenr); - fragment->patch = line; - fragment->size = len; - oldlines += fragment->oldlines; - newlines += fragment->newlines; - context += fragment->leading + fragment->trailing; - - *fragp = fragment; - fragp = &fragment->next; - - offset += len; - line += len; - size -= len; - } - - /* - * If something was removed (i.e. we have old-lines) it cannot - * be creation, and if something was added it cannot be - * deletion. However, the reverse is not true; --unified=0 - * patches that only add are not necessarily creation even - * though they do not have any old lines, and ones that only - * delete are not necessarily deletion. - * - * Unfortunately, a real creation/deletion patch do _not_ have - * any context line by definition, so we cannot safely tell it - * apart with --unified=0 insanity. At least if the patch has - * more than one hunk it is not creation or deletion. - */ - if (patch->is_new < 0 && - (oldlines || (patch->fragments && patch->fragments->next))) - patch->is_new = 0; - if (patch->is_delete < 0 && - (newlines || (patch->fragments && patch->fragments->next))) - patch->is_delete = 0; - - if (0 < patch->is_new && oldlines) - die(_("new file %s depends on old contents"), patch->new_name); - if (0 < patch->is_delete && newlines) - die(_("deleted file %s still has contents"), patch->old_name); - if (!patch->is_delete && !newlines && context) - fprintf_ln(stderr, - _("** warning: " - "file %s becomes empty but is not deleted"), - patch->new_name); - - return offset; -} - -static inline int metadata_changes(struct patch *patch) -{ - return patch->is_rename > 0 || - patch->is_copy > 0 || - patch->is_new > 0 || - patch->is_delete || - (patch->old_mode && patch->new_mode && - patch->old_mode != patch->new_mode); -} - -static char *inflate_it(const void *data, unsigned long size, - unsigned long inflated_size) -{ - git_zstream stream; - void *out; - int st; - - memset(&stream, 0, sizeof(stream)); - - stream.next_in = (unsigned char *)data; - stream.avail_in = size; - stream.next_out = out = xmalloc(inflated_size); - stream.avail_out = inflated_size; - git_inflate_init(&stream); - st = git_inflate(&stream, Z_FINISH); - git_inflate_end(&stream); - if ((st != Z_STREAM_END) || stream.total_out != inflated_size) { - free(out); - return NULL; - } - return out; -} - -/* - * Read a binary hunk and return a new fragment; fragment->patch - * points at an allocated memory that the caller must free, so - * it is marked as "->free_patch = 1". - */ -static struct fragment *parse_binary_hunk(struct apply_state *state, - char **buf_p, - unsigned long *sz_p, - int *status_p, - int *used_p) -{ - /* - * Expect a line that begins with binary patch method ("literal" - * or "delta"), followed by the length of data before deflating. - * a sequence of 'length-byte' followed by base-85 encoded data - * should follow, terminated by a newline. - * - * Each 5-byte sequence of base-85 encodes up to 4 bytes, - * and we would limit the patch line to 66 characters, - * so one line can fit up to 13 groups that would decode - * to 52 bytes max. The length byte 'A'-'Z' corresponds - * to 1-26 bytes, and 'a'-'z' corresponds to 27-52 bytes. - */ - int llen, used; - unsigned long size = *sz_p; - char *buffer = *buf_p; - int patch_method; - unsigned long origlen; - char *data = NULL; - int hunk_size = 0; - struct fragment *frag; - - llen = linelen(buffer, size); - used = llen; - - *status_p = 0; - - if (starts_with(buffer, "delta ")) { - patch_method = BINARY_DELTA_DEFLATED; - origlen = strtoul(buffer + 6, NULL, 10); - } - else if (starts_with(buffer, "literal ")) { - patch_method = BINARY_LITERAL_DEFLATED; - origlen = strtoul(buffer + 8, NULL, 10); - } - else - return NULL; - - state->linenr++; - buffer += llen; - while (1) { - int byte_length, max_byte_length, newsize; - llen = linelen(buffer, size); - used += llen; - state->linenr++; - if (llen == 1) { - /* consume the blank line */ - buffer++; - size--; - break; - } - /* - * Minimum line is "A00000\n" which is 7-byte long, - * and the line length must be multiple of 5 plus 2. - */ - if ((llen < 7) || (llen-2) % 5) - goto corrupt; - max_byte_length = (llen - 2) / 5 * 4; - byte_length = *buffer; - if ('A' <= byte_length && byte_length <= 'Z') - byte_length = byte_length - 'A' + 1; - else if ('a' <= byte_length && byte_length <= 'z') - byte_length = byte_length - 'a' + 27; - else - goto corrupt; - /* if the input length was not multiple of 4, we would - * have filler at the end but the filler should never - * exceed 3 bytes - */ - if (max_byte_length < byte_length || - byte_length <= max_byte_length - 4) - goto corrupt; - newsize = hunk_size + byte_length; - data = xrealloc(data, newsize); - if (decode_85(data + hunk_size, buffer + 1, byte_length)) - goto corrupt; - hunk_size = newsize; - buffer += llen; - size -= llen; - } - - frag = xcalloc(1, sizeof(*frag)); - frag->patch = inflate_it(data, hunk_size, origlen); - frag->free_patch = 1; - if (!frag->patch) - goto corrupt; - free(data); - frag->size = origlen; - *buf_p = buffer; - *sz_p = size; - *used_p = used; - frag->binary_patch_method = patch_method; - return frag; - - corrupt: - free(data); - *status_p = -1; - error(_("corrupt binary patch at line %d: %.*s"), - state->linenr-1, llen-1, buffer); - return NULL; -} - -/* - * Returns: - * -1 in case of error, - * the length of the parsed binary patch otherwise - */ -static int parse_binary(struct apply_state *state, - char *buffer, - unsigned long size, - struct patch *patch) -{ - /* - * We have read "GIT binary patch\n"; what follows is a line - * that says the patch method (currently, either "literal" or - * "delta") and the length of data before deflating; a - * sequence of 'length-byte' followed by base-85 encoded data - * follows. - * - * When a binary patch is reversible, there is another binary - * hunk in the same format, starting with patch method (either - * "literal" or "delta") with the length of data, and a sequence - * of length-byte + base-85 encoded data, terminated with another - * empty line. This data, when applied to the postimage, produces - * the preimage. - */ - struct fragment *forward; - struct fragment *reverse; - int status; - int used, used_1; - - forward = parse_binary_hunk(state, &buffer, &size, &status, &used); - if (!forward && !status) - /* there has to be one hunk (forward hunk) */ - return error(_("unrecognized binary patch at line %d"), state->linenr-1); - if (status) - /* otherwise we already gave an error message */ - return status; - - reverse = parse_binary_hunk(state, &buffer, &size, &status, &used_1); - if (reverse) - used += used_1; - else if (status) { - /* - * Not having reverse hunk is not an error, but having - * a corrupt reverse hunk is. - */ - free((void*) forward->patch); - free(forward); - return status; - } - forward->next = reverse; - patch->fragments = forward; - patch->is_binary = 1; - return used; -} - -static void prefix_one(struct apply_state *state, char **name) -{ - char *old_name = *name; - if (!old_name) - return; - *name = xstrdup(prefix_filename(state->prefix, state->prefix_length, *name)); - free(old_name); -} - -static void prefix_patch(struct apply_state *state, struct patch *p) -{ - if (!state->prefix || p->is_toplevel_relative) - return; - prefix_one(state, &p->new_name); - prefix_one(state, &p->old_name); -} - -/* - * include/exclude - */ - -static void add_name_limit(struct apply_state *state, - const char *name, - int exclude) -{ - struct string_list_item *it; - - it = string_list_append(&state->limit_by_name, name); - it->util = exclude ? NULL : (void *) 1; -} - -static int use_patch(struct apply_state *state, struct patch *p) -{ - const char *pathname = p->new_name ? p->new_name : p->old_name; - int i; - - /* Paths outside are not touched regardless of "--include" */ - if (0 < state->prefix_length) { - int pathlen = strlen(pathname); - if (pathlen <= state->prefix_length || - memcmp(state->prefix, pathname, state->prefix_length)) - return 0; - } - - /* See if it matches any of exclude/include rule */ - for (i = 0; i < state->limit_by_name.nr; i++) { - struct string_list_item *it = &state->limit_by_name.items[i]; - if (!wildmatch(it->string, pathname, 0, NULL)) - return (it->util != NULL); - } - - /* - * If we had any include, a path that does not match any rule is - * not used. Otherwise, we saw bunch of exclude rules (or none) - * and such a path is used. - */ - return !state->has_include; -} - - -/* - * Read the patch text in "buffer" that extends for "size" bytes; stop - * reading after seeing a single patch (i.e. changes to a single file). - * Create fragments (i.e. patch hunks) and hang them to the given patch. - * Return the number of bytes consumed, so that the caller can call us - * again for the next patch. - */ -static int parse_chunk(struct apply_state *state, char *buffer, unsigned long size, struct patch *patch) -{ - int hdrsize, patchsize; - int offset = find_header(state, buffer, size, &hdrsize, patch); - - if (offset < 0) - return offset; - - prefix_patch(state, patch); - - if (!use_patch(state, patch)) - patch->ws_rule = 0; - else - patch->ws_rule = whitespace_rule(patch->new_name - ? patch->new_name - : patch->old_name); - - patchsize = parse_single_patch(state, - buffer + offset + hdrsize, - size - offset - hdrsize, - patch); - - if (!patchsize) { - static const char git_binary[] = "GIT binary patch\n"; - int hd = hdrsize + offset; - unsigned long llen = linelen(buffer + hd, size - hd); - - if (llen == sizeof(git_binary) - 1 && - !memcmp(git_binary, buffer + hd, llen)) { - int used; - state->linenr++; - used = parse_binary(state, buffer + hd + llen, - size - hd - llen, patch); - if (used < 0) - return -1; - if (used) - patchsize = used + llen; - else - patchsize = 0; - } - else if (!memcmp(" differ\n", buffer + hd + llen - 8, 8)) { - static const char *binhdr[] = { - "Binary files ", - "Files ", - NULL, - }; - int i; - for (i = 0; binhdr[i]; i++) { - int len = strlen(binhdr[i]); - if (len < size - hd && - !memcmp(binhdr[i], buffer + hd, len)) { - state->linenr++; - patch->is_binary = 1; - patchsize = llen; - break; - } - } - } - - /* Empty patch cannot be applied if it is a text patch - * without metadata change. A binary patch appears - * empty to us here. - */ - if ((state->apply || state->check) && - (!patch->is_binary && !metadata_changes(patch))) - die(_("patch with only garbage at line %d"), state->linenr); - } - - return offset + hdrsize + patchsize; -} - -#define swap(a,b) myswap((a),(b),sizeof(a)) - -#define myswap(a, b, size) do { \ - unsigned char mytmp[size]; \ - memcpy(mytmp, &a, size); \ - memcpy(&a, &b, size); \ - memcpy(&b, mytmp, size); \ -} while (0) - -static void reverse_patches(struct patch *p) -{ - for (; p; p = p->next) { - struct fragment *frag = p->fragments; - - swap(p->new_name, p->old_name); - swap(p->new_mode, p->old_mode); - swap(p->is_new, p->is_delete); - swap(p->lines_added, p->lines_deleted); - swap(p->old_sha1_prefix, p->new_sha1_prefix); - - for (; frag; frag = frag->next) { - swap(frag->newpos, frag->oldpos); - swap(frag->newlines, frag->oldlines); - } - } -} - -static const char pluses[] = -"++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++"; -static const char minuses[]= -"----------------------------------------------------------------------"; - -static void show_stats(struct apply_state *state, struct patch *patch) -{ - struct strbuf qname = STRBUF_INIT; - char *cp = patch->new_name ? patch->new_name : patch->old_name; - int max, add, del; - - quote_c_style(cp, &qname, NULL, 0); - - /* - * "scale" the filename - */ - max = state->max_len; - if (max > 50) - max = 50; - - if (qname.len > max) { - cp = strchr(qname.buf + qname.len + 3 - max, '/'); - if (!cp) - cp = qname.buf + qname.len + 3 - max; - strbuf_splice(&qname, 0, cp - qname.buf, "...", 3); - } - - if (patch->is_binary) { - printf(" %-*s | Bin\n", max, qname.buf); - strbuf_release(&qname); - return; - } - - printf(" %-*s |", max, qname.buf); - strbuf_release(&qname); - - /* - * scale the add/delete - */ - max = max + state->max_change > 70 ? 70 - max : state->max_change; - add = patch->lines_added; - del = patch->lines_deleted; - - if (state->max_change > 0) { - int total = ((add + del) * max + state->max_change / 2) / state->max_change; - add = (add * max + state->max_change / 2) / state->max_change; - del = total - add; - } - printf("%5d %.*s%.*s\n", patch->lines_added + patch->lines_deleted, - add, pluses, del, minuses); -} - -static int read_old_data(struct stat *st, const char *path, struct strbuf *buf) -{ - switch (st->st_mode & S_IFMT) { - case S_IFLNK: - if (strbuf_readlink(buf, path, st->st_size) < 0) - return error(_("unable to read symlink %s"), path); - return 0; - case S_IFREG: - if (strbuf_read_file(buf, path, st->st_size) != st->st_size) - return error(_("unable to open or read %s"), path); - convert_to_git(path, buf->buf, buf->len, buf, 0); - return 0; - default: - return -1; - } -} - -/* - * Update the preimage, and the common lines in postimage, - * from buffer buf of length len. If postlen is 0 the postimage - * is updated in place, otherwise it's updated on a new buffer - * of length postlen - */ - -static void update_pre_post_images(struct image *preimage, - struct image *postimage, - char *buf, - size_t len, size_t postlen) -{ - int i, ctx, reduced; - char *new, *old, *fixed; - struct image fixed_preimage; - - /* - * Update the preimage with whitespace fixes. Note that we - * are not losing preimage->buf -- apply_one_fragment() will - * free "oldlines". - */ - prepare_image(&fixed_preimage, buf, len, 1); - assert(postlen - ? fixed_preimage.nr == preimage->nr - : fixed_preimage.nr <= preimage->nr); - for (i = 0; i < fixed_preimage.nr; i++) - fixed_preimage.line[i].flag = preimage->line[i].flag; - free(preimage->line_allocated); - *preimage = fixed_preimage; - - /* - * Adjust the common context lines in postimage. This can be - * done in-place when we are shrinking it with whitespace - * fixing, but needs a new buffer when ignoring whitespace or - * expanding leading tabs to spaces. - * - * We trust the caller to tell us if the update can be done - * in place (postlen==0) or not. - */ - old = postimage->buf; - if (postlen) - new = postimage->buf = xmalloc(postlen); - else - new = old; - fixed = preimage->buf; - - for (i = reduced = ctx = 0; i < postimage->nr; i++) { - size_t l_len = postimage->line[i].len; - if (!(postimage->line[i].flag & LINE_COMMON)) { - /* an added line -- no counterparts in preimage */ - memmove(new, old, l_len); - old += l_len; - new += l_len; - continue; - } - - /* a common context -- skip it in the original postimage */ - old += l_len; - - /* and find the corresponding one in the fixed preimage */ - while (ctx < preimage->nr && - !(preimage->line[ctx].flag & LINE_COMMON)) { - fixed += preimage->line[ctx].len; - ctx++; - } - - /* - * preimage is expected to run out, if the caller - * fixed addition of trailing blank lines. - */ - if (preimage->nr <= ctx) { - reduced++; - continue; - } - - /* and copy it in, while fixing the line length */ - l_len = preimage->line[ctx].len; - memcpy(new, fixed, l_len); - new += l_len; - fixed += l_len; - postimage->line[i].len = l_len; - ctx++; - } - - if (postlen - ? postlen < new - postimage->buf - : postimage->len < new - postimage->buf) - die("BUG: caller miscounted postlen: asked %d, orig = %d, used = %d", - (int)postlen, (int) postimage->len, (int)(new - postimage->buf)); - - /* Fix the length of the whole thing */ - postimage->len = new - postimage->buf; - postimage->nr -= reduced; -} - -static int line_by_line_fuzzy_match(struct image *img, - struct image *preimage, - struct image *postimage, - unsigned long try, - int try_lno, - int preimage_limit) -{ - int i; - size_t imgoff = 0; - size_t preoff = 0; - size_t postlen = postimage->len; - size_t extra_chars; - char *buf; - char *preimage_eof; - char *preimage_end; - struct strbuf fixed; - char *fixed_buf; - size_t fixed_len; - - for (i = 0; i < preimage_limit; i++) { - size_t prelen = preimage->line[i].len; - size_t imglen = img->line[try_lno+i].len; - - if (!fuzzy_matchlines(img->buf + try + imgoff, imglen, - preimage->buf + preoff, prelen)) - return 0; - if (preimage->line[i].flag & LINE_COMMON) - postlen += imglen - prelen; - imgoff += imglen; - preoff += prelen; - } - - /* - * Ok, the preimage matches with whitespace fuzz. - * - * imgoff now holds the true length of the target that - * matches the preimage before the end of the file. - * - * Count the number of characters in the preimage that fall - * beyond the end of the file and make sure that all of them - * are whitespace characters. (This can only happen if - * we are removing blank lines at the end of the file.) - */ - buf = preimage_eof = preimage->buf + preoff; - for ( ; i < preimage->nr; i++) - preoff += preimage->line[i].len; - preimage_end = preimage->buf + preoff; - for ( ; buf < preimage_end; buf++) - if (!isspace(*buf)) - return 0; - - /* - * Update the preimage and the common postimage context - * lines to use the same whitespace as the target. - * If whitespace is missing in the target (i.e. - * if the preimage extends beyond the end of the file), - * use the whitespace from the preimage. - */ - extra_chars = preimage_end - preimage_eof; - strbuf_init(&fixed, imgoff + extra_chars); - strbuf_add(&fixed, img->buf + try, imgoff); - strbuf_add(&fixed, preimage_eof, extra_chars); - fixed_buf = strbuf_detach(&fixed, &fixed_len); - update_pre_post_images(preimage, postimage, - fixed_buf, fixed_len, postlen); - return 1; -} - -static int match_fragment(struct apply_state *state, - struct image *img, - struct image *preimage, - struct image *postimage, - unsigned long try, - int try_lno, - unsigned ws_rule, - int match_beginning, int match_end) -{ - int i; - char *fixed_buf, *buf, *orig, *target; - struct strbuf fixed; - size_t fixed_len, postlen; - int preimage_limit; - - if (preimage->nr + try_lno <= img->nr) { - /* - * The hunk falls within the boundaries of img. - */ - preimage_limit = preimage->nr; - if (match_end && (preimage->nr + try_lno != img->nr)) - return 0; - } else if (state->ws_error_action == correct_ws_error && - (ws_rule & WS_BLANK_AT_EOF)) { - /* - * This hunk extends beyond the end of img, and we are - * removing blank lines at the end of the file. This - * many lines from the beginning of the preimage must - * match with img, and the remainder of the preimage - * must be blank. - */ - preimage_limit = img->nr - try_lno; - } else { - /* - * The hunk extends beyond the end of the img and - * we are not removing blanks at the end, so we - * should reject the hunk at this position. - */ - return 0; - } - - if (match_beginning && try_lno) - return 0; - - /* Quick hash check */ - for (i = 0; i < preimage_limit; i++) - if ((img->line[try_lno + i].flag & LINE_PATCHED) || - (preimage->line[i].hash != img->line[try_lno + i].hash)) - return 0; - - if (preimage_limit == preimage->nr) { - /* - * Do we have an exact match? If we were told to match - * at the end, size must be exactly at try+fragsize, - * otherwise try+fragsize must be still within the preimage, - * and either case, the old piece should match the preimage - * exactly. - */ - if ((match_end - ? (try + preimage->len == img->len) - : (try + preimage->len <= img->len)) && - !memcmp(img->buf + try, preimage->buf, preimage->len)) - return 1; - } else { - /* - * The preimage extends beyond the end of img, so - * there cannot be an exact match. - * - * There must be one non-blank context line that match - * a line before the end of img. - */ - char *buf_end; - - buf = preimage->buf; - buf_end = buf; - for (i = 0; i < preimage_limit; i++) - buf_end += preimage->line[i].len; - - for ( ; buf < buf_end; buf++) - if (!isspace(*buf)) - break; - if (buf == buf_end) - return 0; - } - - /* - * No exact match. If we are ignoring whitespace, run a line-by-line - * fuzzy matching. We collect all the line length information because - * we need it to adjust whitespace if we match. - */ - if (state->ws_ignore_action == ignore_ws_change) - return line_by_line_fuzzy_match(img, preimage, postimage, - try, try_lno, preimage_limit); - - if (state->ws_error_action != correct_ws_error) - return 0; - - /* - * The hunk does not apply byte-by-byte, but the hash says - * it might with whitespace fuzz. We weren't asked to - * ignore whitespace, we were asked to correct whitespace - * errors, so let's try matching after whitespace correction. - * - * While checking the preimage against the target, whitespace - * errors in both fixed, we count how large the corresponding - * postimage needs to be. The postimage prepared by - * apply_one_fragment() has whitespace errors fixed on added - * lines already, but the common lines were propagated as-is, - * which may become longer when their whitespace errors are - * fixed. - */ - - /* First count added lines in postimage */ - postlen = 0; - for (i = 0; i < postimage->nr; i++) { - if (!(postimage->line[i].flag & LINE_COMMON)) - postlen += postimage->line[i].len; - } - - /* - * The preimage may extend beyond the end of the file, - * but in this loop we will only handle the part of the - * preimage that falls within the file. - */ - strbuf_init(&fixed, preimage->len + 1); - orig = preimage->buf; - target = img->buf + try; - for (i = 0; i < preimage_limit; i++) { - size_t oldlen = preimage->line[i].len; - size_t tgtlen = img->line[try_lno + i].len; - size_t fixstart = fixed.len; - struct strbuf tgtfix; - int match; - - /* Try fixing the line in the preimage */ - ws_fix_copy(&fixed, orig, oldlen, ws_rule, NULL); - - /* Try fixing the line in the target */ - strbuf_init(&tgtfix, tgtlen); - ws_fix_copy(&tgtfix, target, tgtlen, ws_rule, NULL); - - /* - * If they match, either the preimage was based on - * a version before our tree fixed whitespace breakage, - * or we are lacking a whitespace-fix patch the tree - * the preimage was based on already had (i.e. target - * has whitespace breakage, the preimage doesn't). - * In either case, we are fixing the whitespace breakages - * so we might as well take the fix together with their - * real change. - */ - match = (tgtfix.len == fixed.len - fixstart && - !memcmp(tgtfix.buf, fixed.buf + fixstart, - fixed.len - fixstart)); - - /* Add the length if this is common with the postimage */ - if (preimage->line[i].flag & LINE_COMMON) - postlen += tgtfix.len; - - strbuf_release(&tgtfix); - if (!match) - goto unmatch_exit; - - orig += oldlen; - target += tgtlen; - } - - - /* - * Now handle the lines in the preimage that falls beyond the - * end of the file (if any). They will only match if they are - * empty or only contain whitespace (if WS_BLANK_AT_EOL is - * false). - */ - for ( ; i < preimage->nr; i++) { - size_t fixstart = fixed.len; /* start of the fixed preimage */ - size_t oldlen = preimage->line[i].len; - int j; - - /* Try fixing the line in the preimage */ - ws_fix_copy(&fixed, orig, oldlen, ws_rule, NULL); - - for (j = fixstart; j < fixed.len; j++) - if (!isspace(fixed.buf[j])) - goto unmatch_exit; - - orig += oldlen; - } - - /* - * Yes, the preimage is based on an older version that still - * has whitespace breakages unfixed, and fixing them makes the - * hunk match. Update the context lines in the postimage. - */ - fixed_buf = strbuf_detach(&fixed, &fixed_len); - if (postlen < postimage->len) - postlen = 0; - update_pre_post_images(preimage, postimage, - fixed_buf, fixed_len, postlen); - return 1; - - unmatch_exit: - strbuf_release(&fixed); - return 0; -} - -static int find_pos(struct apply_state *state, - struct image *img, - struct image *preimage, - struct image *postimage, - int line, - unsigned ws_rule, - int match_beginning, int match_end) -{ - int i; - unsigned long backwards, forwards, try; - int backwards_lno, forwards_lno, try_lno; - - /* - * If match_beginning or match_end is specified, there is no - * point starting from a wrong line that will never match and - * wander around and wait for a match at the specified end. - */ - if (match_beginning) - line = 0; - else if (match_end) - line = img->nr - preimage->nr; - - /* - * Because the comparison is unsigned, the following test - * will also take care of a negative line number that can - * result when match_end and preimage is larger than the target. - */ - if ((size_t) line > img->nr) - line = img->nr; - - try = 0; - for (i = 0; i < line; i++) - try += img->line[i].len; - - /* - * There's probably some smart way to do this, but I'll leave - * that to the smart and beautiful people. I'm simple and stupid. - */ - backwards = try; - backwards_lno = line; - forwards = try; - forwards_lno = line; - try_lno = line; - - for (i = 0; ; i++) { - if (match_fragment(state, img, preimage, postimage, - try, try_lno, ws_rule, - match_beginning, match_end)) - return try_lno; - - again: - if (backwards_lno == 0 && forwards_lno == img->nr) - break; - - if (i & 1) { - if (backwards_lno == 0) { - i++; - goto again; - } - backwards_lno--; - backwards -= img->line[backwards_lno].len; - try = backwards; - try_lno = backwards_lno; - } else { - if (forwards_lno == img->nr) { - i++; - goto again; - } - forwards += img->line[forwards_lno].len; - forwards_lno++; - try = forwards; - try_lno = forwards_lno; - } - - } - return -1; -} - -static void remove_first_line(struct image *img) -{ - img->buf += img->line[0].len; - img->len -= img->line[0].len; - img->line++; - img->nr--; -} - -static void remove_last_line(struct image *img) -{ - img->len -= img->line[--img->nr].len; -} - -/* - * The change from "preimage" and "postimage" has been found to - * apply at applied_pos (counts in line numbers) in "img". - * Update "img" to remove "preimage" and replace it with "postimage". - */ -static void update_image(struct apply_state *state, - struct image *img, - int applied_pos, - struct image *preimage, - struct image *postimage) -{ - /* - * remove the copy of preimage at offset in img - * and replace it with postimage - */ - int i, nr; - size_t remove_count, insert_count, applied_at = 0; - char *result; - int preimage_limit; - - /* - * If we are removing blank lines at the end of img, - * the preimage may extend beyond the end. - * If that is the case, we must be careful only to - * remove the part of the preimage that falls within - * the boundaries of img. Initialize preimage_limit - * to the number of lines in the preimage that falls - * within the boundaries. - */ - preimage_limit = preimage->nr; - if (preimage_limit > img->nr - applied_pos) - preimage_limit = img->nr - applied_pos; - - for (i = 0; i < applied_pos; i++) - applied_at += img->line[i].len; - - remove_count = 0; - for (i = 0; i < preimage_limit; i++) - remove_count += img->line[applied_pos + i].len; - insert_count = postimage->len; - - /* Adjust the contents */ - result = xmalloc(st_add3(st_sub(img->len, remove_count), insert_count, 1)); - memcpy(result, img->buf, applied_at); - memcpy(result + applied_at, postimage->buf, postimage->len); - memcpy(result + applied_at + postimage->len, - img->buf + (applied_at + remove_count), - img->len - (applied_at + remove_count)); - free(img->buf); - img->buf = result; - img->len += insert_count - remove_count; - result[img->len] = '\0'; - - /* Adjust the line table */ - nr = img->nr + postimage->nr - preimage_limit; - if (preimage_limit < postimage->nr) { - /* - * NOTE: this knows that we never call remove_first_line() - * on anything other than pre/post image. - */ - REALLOC_ARRAY(img->line, nr); - img->line_allocated = img->line; - } - if (preimage_limit != postimage->nr) - memmove(img->line + applied_pos + postimage->nr, - img->line + applied_pos + preimage_limit, - (img->nr - (applied_pos + preimage_limit)) * - sizeof(*img->line)); - memcpy(img->line + applied_pos, - postimage->line, - postimage->nr * sizeof(*img->line)); - if (!state->allow_overlap) - for (i = 0; i < postimage->nr; i++) - img->line[applied_pos + i].flag |= LINE_PATCHED; - img->nr = nr; -} - -/* - * Use the patch-hunk text in "frag" to prepare two images (preimage and - * postimage) for the hunk. Find lines that match "preimage" in "img" and - * replace the part of "img" with "postimage" text. - */ -static int apply_one_fragment(struct apply_state *state, - struct image *img, struct fragment *frag, - int inaccurate_eof, unsigned ws_rule, - int nth_fragment) -{ - int match_beginning, match_end; - const char *patch = frag->patch; - int size = frag->size; - char *old, *oldlines; - struct strbuf newlines; - int new_blank_lines_at_end = 0; - int found_new_blank_lines_at_end = 0; - int hunk_linenr = frag->linenr; - unsigned long leading, trailing; - int pos, applied_pos; - struct image preimage; - struct image postimage; - - memset(&preimage, 0, sizeof(preimage)); - memset(&postimage, 0, sizeof(postimage)); - oldlines = xmalloc(size); - strbuf_init(&newlines, size); - - old = oldlines; - while (size > 0) { - char first; - int len = linelen(patch, size); - int plen; - int added_blank_line = 0; - int is_blank_context = 0; - size_t start; - - if (!len) - break; - - /* - * "plen" is how much of the line we should use for - * the actual patch data. Normally we just remove the - * first character on the line, but if the line is - * followed by "\ No newline", then we also remove the - * last one (which is the newline, of course). - */ - plen = len - 1; - if (len < size && patch[len] == '\\') - plen--; - first = *patch; - if (state->apply_in_reverse) { - if (first == '-') - first = '+'; - else if (first == '+') - first = '-'; - } - - switch (first) { - case '\n': - /* Newer GNU diff, empty context line */ - if (plen < 0) - /* ... followed by '\No newline'; nothing */ - break; - *old++ = '\n'; - strbuf_addch(&newlines, '\n'); - add_line_info(&preimage, "\n", 1, LINE_COMMON); - add_line_info(&postimage, "\n", 1, LINE_COMMON); - is_blank_context = 1; - break; - case ' ': - if (plen && (ws_rule & WS_BLANK_AT_EOF) && - ws_blank_line(patch + 1, plen, ws_rule)) - is_blank_context = 1; - case '-': - memcpy(old, patch + 1, plen); - add_line_info(&preimage, old, plen, - (first == ' ' ? LINE_COMMON : 0)); - old += plen; - if (first == '-') - break; - /* Fall-through for ' ' */ - case '+': - /* --no-add does not add new lines */ - if (first == '+' && state->no_add) - break; - - start = newlines.len; - if (first != '+' || - !state->whitespace_error || - state->ws_error_action != correct_ws_error) { - strbuf_add(&newlines, patch + 1, plen); - } - else { - ws_fix_copy(&newlines, patch + 1, plen, ws_rule, &state->applied_after_fixing_ws); - } - add_line_info(&postimage, newlines.buf + start, newlines.len - start, - (first == '+' ? 0 : LINE_COMMON)); - if (first == '+' && - (ws_rule & WS_BLANK_AT_EOF) && - ws_blank_line(patch + 1, plen, ws_rule)) - added_blank_line = 1; - break; - case '@': case '\\': - /* Ignore it, we already handled it */ - break; - default: - if (state->apply_verbosely) - error(_("invalid start of line: '%c'"), first); - applied_pos = -1; - goto out; - } - if (added_blank_line) { - if (!new_blank_lines_at_end) - found_new_blank_lines_at_end = hunk_linenr; - new_blank_lines_at_end++; - } - else if (is_blank_context) - ; - else - new_blank_lines_at_end = 0; - patch += len; - size -= len; - hunk_linenr++; - } - if (inaccurate_eof && - old > oldlines && old[-1] == '\n' && - newlines.len > 0 && newlines.buf[newlines.len - 1] == '\n') { - old--; - strbuf_setlen(&newlines, newlines.len - 1); - } - - leading = frag->leading; - trailing = frag->trailing; - - /* - * A hunk to change lines at the beginning would begin with - * @@ -1,L +N,M @@ - * but we need to be careful. -U0 that inserts before the second - * line also has this pattern. - * - * And a hunk to add to an empty file would begin with - * @@ -0,0 +N,M @@ - * - * In other words, a hunk that is (frag->oldpos <= 1) with or - * without leading context must match at the beginning. - */ - match_beginning = (!frag->oldpos || - (frag->oldpos == 1 && !state->unidiff_zero)); - - /* - * A hunk without trailing lines must match at the end. - * However, we simply cannot tell if a hunk must match end - * from the lack of trailing lines if the patch was generated - * with unidiff without any context. - */ - match_end = !state->unidiff_zero && !trailing; - - pos = frag->newpos ? (frag->newpos - 1) : 0; - preimage.buf = oldlines; - preimage.len = old - oldlines; - postimage.buf = newlines.buf; - postimage.len = newlines.len; - preimage.line = preimage.line_allocated; - postimage.line = postimage.line_allocated; - - for (;;) { - - applied_pos = find_pos(state, img, &preimage, &postimage, pos, - ws_rule, match_beginning, match_end); - - if (applied_pos >= 0) - break; - - /* Am I at my context limits? */ - if ((leading <= state->p_context) && (trailing <= state->p_context)) - break; - if (match_beginning || match_end) { - match_beginning = match_end = 0; - continue; - } - - /* - * Reduce the number of context lines; reduce both - * leading and trailing if they are equal otherwise - * just reduce the larger context. - */ - if (leading >= trailing) { - remove_first_line(&preimage); - remove_first_line(&postimage); - pos--; - leading--; - } - if (trailing > leading) { - remove_last_line(&preimage); - remove_last_line(&postimage); - trailing--; - } - } - - if (applied_pos >= 0) { - if (new_blank_lines_at_end && - preimage.nr + applied_pos >= img->nr && - (ws_rule & WS_BLANK_AT_EOF) && - state->ws_error_action != nowarn_ws_error) { - record_ws_error(state, WS_BLANK_AT_EOF, "+", 1, - found_new_blank_lines_at_end); - if (state->ws_error_action == correct_ws_error) { - while (new_blank_lines_at_end--) - remove_last_line(&postimage); - } - /* - * We would want to prevent write_out_results() - * from taking place in apply_patch() that follows - * the callchain led us here, which is: - * apply_patch->check_patch_list->check_patch-> - * apply_data->apply_fragments->apply_one_fragment - */ - if (state->ws_error_action == die_on_ws_error) - state->apply = 0; - } - - if (state->apply_verbosely && applied_pos != pos) { - int offset = applied_pos - pos; - if (state->apply_in_reverse) - offset = 0 - offset; - fprintf_ln(stderr, - Q_("Hunk #%d succeeded at %d (offset %d line).", - "Hunk #%d succeeded at %d (offset %d lines).", - offset), - nth_fragment, applied_pos + 1, offset); - } - - /* - * Warn if it was necessary to reduce the number - * of context lines. - */ - if ((leading != frag->leading) || - (trailing != frag->trailing)) - fprintf_ln(stderr, _("Context reduced to (%ld/%ld)" - " to apply fragment at %d"), - leading, trailing, applied_pos+1); - update_image(state, img, applied_pos, &preimage, &postimage); - } else { - if (state->apply_verbosely) - error(_("while searching for:\n%.*s"), - (int)(old - oldlines), oldlines); - } - -out: - free(oldlines); - strbuf_release(&newlines); - free(preimage.line_allocated); - free(postimage.line_allocated); - - return (applied_pos < 0); -} - -static int apply_binary_fragment(struct apply_state *state, - struct image *img, - struct patch *patch) -{ - struct fragment *fragment = patch->fragments; - unsigned long len; - void *dst; - - if (!fragment) - return error(_("missing binary patch data for '%s'"), - patch->new_name ? - patch->new_name : - patch->old_name); - - /* Binary patch is irreversible without the optional second hunk */ - if (state->apply_in_reverse) { - if (!fragment->next) - return error("cannot reverse-apply a binary patch " - "without the reverse hunk to '%s'", - patch->new_name - ? patch->new_name : patch->old_name); - fragment = fragment->next; - } - switch (fragment->binary_patch_method) { - case BINARY_DELTA_DEFLATED: - dst = patch_delta(img->buf, img->len, fragment->patch, - fragment->size, &len); - if (!dst) - return -1; - clear_image(img); - img->buf = dst; - img->len = len; - return 0; - case BINARY_LITERAL_DEFLATED: - clear_image(img); - img->len = fragment->size; - img->buf = xmemdupz(fragment->patch, img->len); - return 0; - } - return -1; -} - -/* - * Replace "img" with the result of applying the binary patch. - * The binary patch data itself in patch->fragment is still kept - * but the preimage prepared by the caller in "img" is freed here - * or in the helper function apply_binary_fragment() this calls. - */ -static int apply_binary(struct apply_state *state, - struct image *img, - struct patch *patch) -{ - const char *name = patch->old_name ? patch->old_name : patch->new_name; - unsigned char sha1[20]; - - /* - * For safety, we require patch index line to contain - * full 40-byte textual SHA1 for old and new, at least for now. - */ - if (strlen(patch->old_sha1_prefix) != 40 || - strlen(patch->new_sha1_prefix) != 40 || - get_sha1_hex(patch->old_sha1_prefix, sha1) || - get_sha1_hex(patch->new_sha1_prefix, sha1)) - return error("cannot apply binary patch to '%s' " - "without full index line", name); - - if (patch->old_name) { - /* - * See if the old one matches what the patch - * applies to. - */ - hash_sha1_file(img->buf, img->len, blob_type, sha1); - if (strcmp(sha1_to_hex(sha1), patch->old_sha1_prefix)) - return error("the patch applies to '%s' (%s), " - "which does not match the " - "current contents.", - name, sha1_to_hex(sha1)); - } - else { - /* Otherwise, the old one must be empty. */ - if (img->len) - return error("the patch applies to an empty " - "'%s' but it is not empty", name); - } - - get_sha1_hex(patch->new_sha1_prefix, sha1); - if (is_null_sha1(sha1)) { - clear_image(img); - return 0; /* deletion patch */ - } - - if (has_sha1_file(sha1)) { - /* We already have the postimage */ - enum object_type type; - unsigned long size; - char *result; - - result = read_sha1_file(sha1, &type, &size); - if (!result) - return error("the necessary postimage %s for " - "'%s' cannot be read", - patch->new_sha1_prefix, name); - clear_image(img); - img->buf = result; - img->len = size; - } else { - /* - * We have verified buf matches the preimage; - * apply the patch data to it, which is stored - * in the patch->fragments->{patch,size}. - */ - if (apply_binary_fragment(state, img, patch)) - return error(_("binary patch does not apply to '%s'"), - name); - - /* verify that the result matches */ - hash_sha1_file(img->buf, img->len, blob_type, sha1); - if (strcmp(sha1_to_hex(sha1), patch->new_sha1_prefix)) - return error(_("binary patch to '%s' creates incorrect result (expecting %s, got %s)"), - name, patch->new_sha1_prefix, sha1_to_hex(sha1)); - } - - return 0; -} - -static int apply_fragments(struct apply_state *state, struct image *img, struct patch *patch) -{ - struct fragment *frag = patch->fragments; - const char *name = patch->old_name ? patch->old_name : patch->new_name; - unsigned ws_rule = patch->ws_rule; - unsigned inaccurate_eof = patch->inaccurate_eof; - int nth = 0; - - if (patch->is_binary) - return apply_binary(state, img, patch); - - while (frag) { - nth++; - if (apply_one_fragment(state, img, frag, inaccurate_eof, ws_rule, nth)) { - error(_("patch failed: %s:%ld"), name, frag->oldpos); - if (!state->apply_with_reject) - return -1; - frag->rejected = 1; - } - frag = frag->next; - } - return 0; -} - -static int read_blob_object(struct strbuf *buf, const unsigned char *sha1, unsigned mode) -{ - if (S_ISGITLINK(mode)) { - strbuf_grow(buf, 100); - strbuf_addf(buf, "Subproject commit %s\n", sha1_to_hex(sha1)); - } else { - enum object_type type; - unsigned long sz; - char *result; - - result = read_sha1_file(sha1, &type, &sz); - if (!result) - return -1; - /* XXX read_sha1_file NUL-terminates */ - strbuf_attach(buf, result, sz, sz + 1); - } - return 0; -} - -static int read_file_or_gitlink(const struct cache_entry *ce, struct strbuf *buf) -{ - if (!ce) - return 0; - return read_blob_object(buf, ce->sha1, ce->ce_mode); -} - -static struct patch *in_fn_table(struct apply_state *state, const char *name) -{ - struct string_list_item *item; - - if (name == NULL) - return NULL; - - item = string_list_lookup(&state->fn_table, name); - if (item != NULL) - return (struct patch *)item->util; - - return NULL; -} - -/* - * item->util in the filename table records the status of the path. - * Usually it points at a patch (whose result records the contents - * of it after applying it), but it could be PATH_WAS_DELETED for a - * path that a previously applied patch has already removed, or - * PATH_TO_BE_DELETED for a path that a later patch would remove. - * - * The latter is needed to deal with a case where two paths A and B - * are swapped by first renaming A to B and then renaming B to A; - * moving A to B should not be prevented due to presence of B as we - * will remove it in a later patch. - */ -#define PATH_TO_BE_DELETED ((struct patch *) -2) -#define PATH_WAS_DELETED ((struct patch *) -1) - -static int to_be_deleted(struct patch *patch) -{ - return patch == PATH_TO_BE_DELETED; -} - -static int was_deleted(struct patch *patch) -{ - return patch == PATH_WAS_DELETED; -} - -static void add_to_fn_table(struct apply_state *state, struct patch *patch) -{ - struct string_list_item *item; - - /* - * Always add new_name unless patch is a deletion - * This should cover the cases for normal diffs, - * file creations and copies - */ - if (patch->new_name != NULL) { - item = string_list_insert(&state->fn_table, patch->new_name); - item->util = patch; - } - - /* - * store a failure on rename/deletion cases because - * later chunks shouldn't patch old names - */ - if ((patch->new_name == NULL) || (patch->is_rename)) { - item = string_list_insert(&state->fn_table, patch->old_name); - item->util = PATH_WAS_DELETED; - } -} - -static void prepare_fn_table(struct apply_state *state, struct patch *patch) -{ - /* - * store information about incoming file deletion - */ - while (patch) { - if ((patch->new_name == NULL) || (patch->is_rename)) { - struct string_list_item *item; - item = string_list_insert(&state->fn_table, patch->old_name); - item->util = PATH_TO_BE_DELETED; - } - patch = patch->next; - } -} - -static int checkout_target(struct index_state *istate, - struct cache_entry *ce, struct stat *st) -{ - struct checkout costate; - - memset(&costate, 0, sizeof(costate)); - costate.base_dir = ""; - costate.refresh_cache = 1; - costate.istate = istate; - if (checkout_entry(ce, &costate, NULL) || lstat(ce->name, st)) - return error(_("cannot checkout %s"), ce->name); - return 0; -} - -static struct patch *previous_patch(struct apply_state *state, - struct patch *patch, - int *gone) -{ - struct patch *previous; - - *gone = 0; - if (patch->is_copy || patch->is_rename) - return NULL; /* "git" patches do not depend on the order */ - - previous = in_fn_table(state, patch->old_name); - if (!previous) - return NULL; - - if (to_be_deleted(previous)) - return NULL; /* the deletion hasn't happened yet */ - - if (was_deleted(previous)) - *gone = 1; - - return previous; -} - -static int verify_index_match(const struct cache_entry *ce, struct stat *st) -{ - if (S_ISGITLINK(ce->ce_mode)) { - if (!S_ISDIR(st->st_mode)) - return -1; - return 0; - } - return ce_match_stat(ce, st, CE_MATCH_IGNORE_VALID|CE_MATCH_IGNORE_SKIP_WORKTREE); -} - -#define SUBMODULE_PATCH_WITHOUT_INDEX 1 - -static int load_patch_target(struct apply_state *state, - struct strbuf *buf, - const struct cache_entry *ce, - struct stat *st, - const char *name, - unsigned expected_mode) -{ - if (state->cached || state->check_index) { - if (read_file_or_gitlink(ce, buf)) - return error(_("failed to read %s"), name); - } else if (name) { - if (S_ISGITLINK(expected_mode)) { - if (ce) - return read_file_or_gitlink(ce, buf); - else - return SUBMODULE_PATCH_WITHOUT_INDEX; - } else if (has_symlink_leading_path(name, strlen(name))) { - return error(_("reading from '%s' beyond a symbolic link"), name); - } else { - if (read_old_data(st, name, buf)) - return error(_("failed to read %s"), name); - } - } - return 0; -} - -/* - * We are about to apply "patch"; populate the "image" with the - * current version we have, from the working tree or from the index, - * depending on the situation e.g. --cached/--index. If we are - * applying a non-git patch that incrementally updates the tree, - * we read from the result of a previous diff. - */ -static int load_preimage(struct apply_state *state, - struct image *image, - struct patch *patch, struct stat *st, - const struct cache_entry *ce) -{ - struct strbuf buf = STRBUF_INIT; - size_t len; - char *img; - struct patch *previous; - int status; - - previous = previous_patch(state, patch, &status); - if (status) - return error(_("path %s has been renamed/deleted"), - patch->old_name); - if (previous) { - /* We have a patched copy in memory; use that. */ - strbuf_add(&buf, previous->result, previous->resultsize); - } else { - status = load_patch_target(state, &buf, ce, st, - patch->old_name, patch->old_mode); - if (status < 0) - return status; - else if (status == SUBMODULE_PATCH_WITHOUT_INDEX) { - /* - * There is no way to apply subproject - * patch without looking at the index. - * NEEDSWORK: shouldn't this be flagged - * as an error??? - */ - free_fragment_list(patch->fragments); - patch->fragments = NULL; - } else if (status) { - return error(_("failed to read %s"), patch->old_name); - } - } - - img = strbuf_detach(&buf, &len); - prepare_image(image, img, len, !patch->is_binary); - return 0; -} - -static int three_way_merge(struct image *image, - char *path, - const unsigned char *base, - const unsigned char *ours, - const unsigned char *theirs) -{ - mmfile_t base_file, our_file, their_file; - mmbuffer_t result = { NULL }; - int status; - - read_mmblob(&base_file, base); - read_mmblob(&our_file, ours); - read_mmblob(&their_file, theirs); - status = ll_merge(&result, path, - &base_file, "base", - &our_file, "ours", - &their_file, "theirs", NULL); - free(base_file.ptr); - free(our_file.ptr); - free(their_file.ptr); - if (status < 0 || !result.ptr) { - free(result.ptr); - return -1; - } - clear_image(image); - image->buf = result.ptr; - image->len = result.size; - - return status; -} - -/* - * When directly falling back to add/add three-way merge, we read from - * the current contents of the new_name. In no cases other than that - * this function will be called. - */ -static int load_current(struct apply_state *state, - struct image *image, - struct patch *patch) -{ - struct strbuf buf = STRBUF_INIT; - int status, pos; - size_t len; - char *img; - struct stat st; - struct cache_entry *ce; - char *name = patch->new_name; - unsigned mode = patch->new_mode; - - if (!patch->is_new) - die("BUG: patch to %s is not a creation", patch->old_name); - - pos = cache_name_pos(name, strlen(name)); - if (pos < 0) - return error(_("%s: does not exist in index"), name); - ce = active_cache[pos]; - if (lstat(name, &st)) { - if (errno != ENOENT) - return error(_("%s: %s"), name, strerror(errno)); - if (checkout_target(&the_index, ce, &st)) - return -1; - } - if (verify_index_match(ce, &st)) - return error(_("%s: does not match index"), name); - - status = load_patch_target(state, &buf, ce, &st, name, mode); - if (status < 0) - return status; - else if (status) - return -1; - img = strbuf_detach(&buf, &len); - prepare_image(image, img, len, !patch->is_binary); - return 0; -} - -static int try_threeway(struct apply_state *state, - struct image *image, - struct patch *patch, - struct stat *st, - const struct cache_entry *ce) -{ - unsigned char pre_sha1[20], post_sha1[20], our_sha1[20]; - struct strbuf buf = STRBUF_INIT; - size_t len; - int status; - char *img; - struct image tmp_image; - - /* No point falling back to 3-way merge in these cases */ - if (patch->is_delete || - S_ISGITLINK(patch->old_mode) || S_ISGITLINK(patch->new_mode)) - return -1; - - /* Preimage the patch was prepared for */ - if (patch->is_new) - write_sha1_file("", 0, blob_type, pre_sha1); - else if (get_sha1(patch->old_sha1_prefix, pre_sha1) || - read_blob_object(&buf, pre_sha1, patch->old_mode)) - return error("repository lacks the necessary blob to fall back on 3-way merge."); - - fprintf(stderr, "Falling back to three-way merge...\n"); - - img = strbuf_detach(&buf, &len); - prepare_image(&tmp_image, img, len, 1); - /* Apply the patch to get the post image */ - if (apply_fragments(state, &tmp_image, patch) < 0) { - clear_image(&tmp_image); - return -1; - } - /* post_sha1[] is theirs */ - write_sha1_file(tmp_image.buf, tmp_image.len, blob_type, post_sha1); - clear_image(&tmp_image); - - /* our_sha1[] is ours */ - if (patch->is_new) { - if (load_current(state, &tmp_image, patch)) - return error("cannot read the current contents of '%s'", - patch->new_name); - } else { - if (load_preimage(state, &tmp_image, patch, st, ce)) - return error("cannot read the current contents of '%s'", - patch->old_name); - } - write_sha1_file(tmp_image.buf, tmp_image.len, blob_type, our_sha1); - clear_image(&tmp_image); - - /* in-core three-way merge between post and our using pre as base */ - status = three_way_merge(image, patch->new_name, - pre_sha1, our_sha1, post_sha1); - if (status < 0) { - fprintf(stderr, "Failed to fall back on three-way merge...\n"); - return status; - } - - if (status) { - patch->conflicted_threeway = 1; - if (patch->is_new) - oidclr(&patch->threeway_stage[0]); - else - hashcpy(patch->threeway_stage[0].hash, pre_sha1); - hashcpy(patch->threeway_stage[1].hash, our_sha1); - hashcpy(patch->threeway_stage[2].hash, post_sha1); - fprintf(stderr, "Applied patch to '%s' with conflicts.\n", patch->new_name); - } else { - fprintf(stderr, "Applied patch to '%s' cleanly.\n", patch->new_name); - } - return 0; -} - -static int apply_data(struct apply_state *state, struct patch *patch, - struct stat *st, const struct cache_entry *ce) -{ - struct image image; - - if (load_preimage(state, &image, patch, st, ce) < 0) - return -1; - - if (patch->direct_to_threeway || - apply_fragments(state, &image, patch) < 0) { - /* Note: with --reject, apply_fragments() returns 0 */ - if (!state->threeway || try_threeway(state, &image, patch, st, ce) < 0) - return -1; - } - patch->result = image.buf; - patch->resultsize = image.len; - add_to_fn_table(state, patch); - free(image.line_allocated); - - if (0 < patch->is_delete && patch->resultsize) - return error(_("removal patch leaves file contents")); - - return 0; -} - -/* - * If "patch" that we are looking at modifies or deletes what we have, - * we would want it not to lose any local modification we have, either - * in the working tree or in the index. - * - * This also decides if a non-git patch is a creation patch or a - * modification to an existing empty file. We do not check the state - * of the current tree for a creation patch in this function; the caller - * check_patch() separately makes sure (and errors out otherwise) that - * the path the patch creates does not exist in the current tree. - */ -static int check_preimage(struct apply_state *state, - struct patch *patch, - struct cache_entry **ce, - struct stat *st) -{ - const char *old_name = patch->old_name; - struct patch *previous = NULL; - int stat_ret = 0, status; - unsigned st_mode = 0; - - if (!old_name) - return 0; - - assert(patch->is_new <= 0); - previous = previous_patch(state, patch, &status); - - if (status) - return error(_("path %s has been renamed/deleted"), old_name); - if (previous) { - st_mode = previous->new_mode; - } else if (!state->cached) { - stat_ret = lstat(old_name, st); - if (stat_ret && errno != ENOENT) - return error(_("%s: %s"), old_name, strerror(errno)); - } - - if (state->check_index && !previous) { - int pos = cache_name_pos(old_name, strlen(old_name)); - if (pos < 0) { - if (patch->is_new < 0) - goto is_new; - return error(_("%s: does not exist in index"), old_name); - } - *ce = active_cache[pos]; - if (stat_ret < 0) { - if (checkout_target(&the_index, *ce, st)) - return -1; - } - if (!state->cached && verify_index_match(*ce, st)) - return error(_("%s: does not match index"), old_name); - if (state->cached) - st_mode = (*ce)->ce_mode; - } else if (stat_ret < 0) { - if (patch->is_new < 0) - goto is_new; - return error(_("%s: %s"), old_name, strerror(errno)); - } - - if (!state->cached && !previous) - st_mode = ce_mode_from_stat(*ce, st->st_mode); - - if (patch->is_new < 0) - patch->is_new = 0; - if (!patch->old_mode) - patch->old_mode = st_mode; - if ((st_mode ^ patch->old_mode) & S_IFMT) - return error(_("%s: wrong type"), old_name); - if (st_mode != patch->old_mode) - warning(_("%s has type %o, expected %o"), - old_name, st_mode, patch->old_mode); - if (!patch->new_mode && !patch->is_delete) - patch->new_mode = st_mode; - return 0; - - is_new: - patch->is_new = 1; - patch->is_delete = 0; - free(patch->old_name); - patch->old_name = NULL; - return 0; -} - - -#define EXISTS_IN_INDEX 1 -#define EXISTS_IN_WORKTREE 2 - -static int check_to_create(struct apply_state *state, - const char *new_name, - int ok_if_exists) -{ - struct stat nst; - - if (state->check_index && - cache_name_pos(new_name, strlen(new_name)) >= 0 && - !ok_if_exists) - return EXISTS_IN_INDEX; - if (state->cached) - return 0; - - if (!lstat(new_name, &nst)) { - if (S_ISDIR(nst.st_mode) || ok_if_exists) - return 0; - /* - * A leading component of new_name might be a symlink - * that is going to be removed with this patch, but - * still pointing at somewhere that has the path. - * In such a case, path "new_name" does not exist as - * far as git is concerned. - */ - if (has_symlink_leading_path(new_name, strlen(new_name))) - return 0; - - return EXISTS_IN_WORKTREE; - } else if ((errno != ENOENT) && (errno != ENOTDIR)) { - return error("%s: %s", new_name, strerror(errno)); - } - return 0; -} - -static uintptr_t register_symlink_changes(struct apply_state *state, - const char *path, - uintptr_t what) -{ - struct string_list_item *ent; - - ent = string_list_lookup(&state->symlink_changes, path); - if (!ent) { - ent = string_list_insert(&state->symlink_changes, path); - ent->util = (void *)0; - } - ent->util = (void *)(what | ((uintptr_t)ent->util)); - return (uintptr_t)ent->util; -} - -static uintptr_t check_symlink_changes(struct apply_state *state, const char *path) -{ - struct string_list_item *ent; - - ent = string_list_lookup(&state->symlink_changes, path); - if (!ent) - return 0; - return (uintptr_t)ent->util; -} - -static void prepare_symlink_changes(struct apply_state *state, struct patch *patch) -{ - for ( ; patch; patch = patch->next) { - if ((patch->old_name && S_ISLNK(patch->old_mode)) && - (patch->is_rename || patch->is_delete)) - /* the symlink at patch->old_name is removed */ - register_symlink_changes(state, patch->old_name, SYMLINK_GOES_AWAY); - - if (patch->new_name && S_ISLNK(patch->new_mode)) - /* the symlink at patch->new_name is created or remains */ - register_symlink_changes(state, patch->new_name, SYMLINK_IN_RESULT); - } -} - -static int path_is_beyond_symlink_1(struct apply_state *state, struct strbuf *name) -{ - do { - unsigned int change; - - while (--name->len && name->buf[name->len] != '/') - ; /* scan backwards */ - if (!name->len) - break; - name->buf[name->len] = '\0'; - change = check_symlink_changes(state, name->buf); - if (change & SYMLINK_IN_RESULT) - return 1; - if (change & SYMLINK_GOES_AWAY) - /* - * This cannot be "return 0", because we may - * see a new one created at a higher level. - */ - continue; - - /* otherwise, check the preimage */ - if (state->check_index) { - struct cache_entry *ce; - - ce = cache_file_exists(name->buf, name->len, ignore_case); - if (ce && S_ISLNK(ce->ce_mode)) - return 1; - } else { - struct stat st; - if (!lstat(name->buf, &st) && S_ISLNK(st.st_mode)) - return 1; - } - } while (1); - return 0; -} - -static int path_is_beyond_symlink(struct apply_state *state, const char *name_) -{ - int ret; - struct strbuf name = STRBUF_INIT; - - assert(*name_ != '\0'); - strbuf_addstr(&name, name_); - ret = path_is_beyond_symlink_1(state, &name); - strbuf_release(&name); - - return ret; -} - -static void die_on_unsafe_path(struct patch *patch) -{ - const char *old_name = NULL; - const char *new_name = NULL; - if (patch->is_delete) - old_name = patch->old_name; - else if (!patch->is_new && !patch->is_copy) - old_name = patch->old_name; - if (!patch->is_delete) - new_name = patch->new_name; - - if (old_name && !verify_path(old_name)) - die(_("invalid path '%s'"), old_name); - if (new_name && !verify_path(new_name)) - die(_("invalid path '%s'"), new_name); -} - -/* - * Check and apply the patch in-core; leave the result in patch->result - * for the caller to write it out to the final destination. - */ -static int check_patch(struct apply_state *state, struct patch *patch) -{ - struct stat st; - const char *old_name = patch->old_name; - const char *new_name = patch->new_name; - const char *name = old_name ? old_name : new_name; - struct cache_entry *ce = NULL; - struct patch *tpatch; - int ok_if_exists; - int status; - - patch->rejected = 1; /* we will drop this after we succeed */ - - status = check_preimage(state, patch, &ce, &st); - if (status) - return status; - old_name = patch->old_name; - - /* - * A type-change diff is always split into a patch to delete - * old, immediately followed by a patch to create new (see - * diff.c::run_diff()); in such a case it is Ok that the entry - * to be deleted by the previous patch is still in the working - * tree and in the index. - * - * A patch to swap-rename between A and B would first rename A - * to B and then rename B to A. While applying the first one, - * the presence of B should not stop A from getting renamed to - * B; ask to_be_deleted() about the later rename. Removal of - * B and rename from A to B is handled the same way by asking - * was_deleted(). - */ - if ((tpatch = in_fn_table(state, new_name)) && - (was_deleted(tpatch) || to_be_deleted(tpatch))) - ok_if_exists = 1; - else - ok_if_exists = 0; - - if (new_name && - ((0 < patch->is_new) || patch->is_rename || patch->is_copy)) { - int err = check_to_create(state, new_name, ok_if_exists); - - if (err && state->threeway) { - patch->direct_to_threeway = 1; - } else switch (err) { - case 0: - break; /* happy */ - case EXISTS_IN_INDEX: - return error(_("%s: already exists in index"), new_name); - break; - case EXISTS_IN_WORKTREE: - return error(_("%s: already exists in working directory"), - new_name); - default: - return err; - } - - if (!patch->new_mode) { - if (0 < patch->is_new) - patch->new_mode = S_IFREG | 0644; - else - patch->new_mode = patch->old_mode; - } - } - - if (new_name && old_name) { - int same = !strcmp(old_name, new_name); - if (!patch->new_mode) - patch->new_mode = patch->old_mode; - if ((patch->old_mode ^ patch->new_mode) & S_IFMT) { - if (same) - return error(_("new mode (%o) of %s does not " - "match old mode (%o)"), - patch->new_mode, new_name, - patch->old_mode); - else - return error(_("new mode (%o) of %s does not " - "match old mode (%o) of %s"), - patch->new_mode, new_name, - patch->old_mode, old_name); - } - } - - if (!state->unsafe_paths) - die_on_unsafe_path(patch); - - /* - * An attempt to read from or delete a path that is beyond a - * symbolic link will be prevented by load_patch_target() that - * is called at the beginning of apply_data() so we do not - * have to worry about a patch marked with "is_delete" bit - * here. We however need to make sure that the patch result - * is not deposited to a path that is beyond a symbolic link - * here. - */ - if (!patch->is_delete && path_is_beyond_symlink(state, patch->new_name)) - return error(_("affected file '%s' is beyond a symbolic link"), - patch->new_name); - - if (apply_data(state, patch, &st, ce) < 0) - return error(_("%s: patch does not apply"), name); - patch->rejected = 0; - return 0; -} - -static int check_patch_list(struct apply_state *state, struct patch *patch) -{ - int err = 0; - - prepare_symlink_changes(state, patch); - prepare_fn_table(state, patch); - while (patch) { - if (state->apply_verbosely) - say_patch_name(stderr, - _("Checking patch %s..."), patch); - err |= check_patch(state, patch); - patch = patch->next; - } - return err; -} - -/* This function tries to read the sha1 from the current index */ -static int get_current_sha1(const char *path, unsigned char *sha1) -{ - int pos; - - if (read_cache() < 0) - return -1; - pos = cache_name_pos(path, strlen(path)); - if (pos < 0) - return -1; - hashcpy(sha1, active_cache[pos]->sha1); - return 0; -} - -static int preimage_sha1_in_gitlink_patch(struct patch *p, unsigned char sha1[20]) -{ - /* - * A usable gitlink patch has only one fragment (hunk) that looks like: - * @@ -1 +1 @@ - * -Subproject commit <old sha1> - * +Subproject commit <new sha1> - * or - * @@ -1 +0,0 @@ - * -Subproject commit <old sha1> - * for a removal patch. - */ - struct fragment *hunk = p->fragments; - static const char heading[] = "-Subproject commit "; - char *preimage; - - if (/* does the patch have only one hunk? */ - hunk && !hunk->next && - /* is its preimage one line? */ - hunk->oldpos == 1 && hunk->oldlines == 1 && - /* does preimage begin with the heading? */ - (preimage = memchr(hunk->patch, '\n', hunk->size)) != NULL && - starts_with(++preimage, heading) && - /* does it record full SHA-1? */ - !get_sha1_hex(preimage + sizeof(heading) - 1, sha1) && - preimage[sizeof(heading) + 40 - 1] == '\n' && - /* does the abbreviated name on the index line agree with it? */ - starts_with(preimage + sizeof(heading) - 1, p->old_sha1_prefix)) - return 0; /* it all looks fine */ - - /* we may have full object name on the index line */ - return get_sha1_hex(p->old_sha1_prefix, sha1); -} - -/* Build an index that contains the just the files needed for a 3way merge */ -static void build_fake_ancestor(struct patch *list, const char *filename) -{ - struct patch *patch; - struct index_state result = { NULL }; - static struct lock_file lock; - - /* Once we start supporting the reverse patch, it may be - * worth showing the new sha1 prefix, but until then... - */ - for (patch = list; patch; patch = patch->next) { - unsigned char sha1[20]; - struct cache_entry *ce; - const char *name; - - name = patch->old_name ? patch->old_name : patch->new_name; - if (0 < patch->is_new) - continue; - - if (S_ISGITLINK(patch->old_mode)) { - if (!preimage_sha1_in_gitlink_patch(patch, sha1)) - ; /* ok, the textual part looks sane */ - else - die("sha1 information is lacking or useless for submodule %s", - name); - } else if (!get_sha1_blob(patch->old_sha1_prefix, sha1)) { - ; /* ok */ - } else if (!patch->lines_added && !patch->lines_deleted) { - /* mode-only change: update the current */ - if (get_current_sha1(patch->old_name, sha1)) - die("mode change for %s, which is not " - "in current HEAD", name); - } else - die("sha1 information is lacking or useless " - "(%s).", name); - - ce = make_cache_entry(patch->old_mode, sha1, name, 0, 0); - if (!ce) - die(_("make_cache_entry failed for path '%s'"), name); - if (add_index_entry(&result, ce, ADD_CACHE_OK_TO_ADD)) - die ("Could not add %s to temporary index", name); - } - - hold_lock_file_for_update(&lock, filename, LOCK_DIE_ON_ERROR); - if (write_locked_index(&result, &lock, COMMIT_LOCK)) - die ("Could not write temporary index to %s", filename); - - discard_index(&result); -} - -static void stat_patch_list(struct apply_state *state, struct patch *patch) -{ - int files, adds, dels; - - for (files = adds = dels = 0 ; patch ; patch = patch->next) { - files++; - adds += patch->lines_added; - dels += patch->lines_deleted; - show_stats(state, patch); - } - - print_stat_summary(stdout, files, adds, dels); -} - -static void numstat_patch_list(struct apply_state *state, - struct patch *patch) -{ - for ( ; patch; patch = patch->next) { - const char *name; - name = patch->new_name ? patch->new_name : patch->old_name; - if (patch->is_binary) - printf("-\t-\t"); - else - printf("%d\t%d\t", patch->lines_added, patch->lines_deleted); - write_name_quoted(name, stdout, state->line_termination); - } -} - -static void show_file_mode_name(const char *newdelete, unsigned int mode, const char *name) -{ - if (mode) - printf(" %s mode %06o %s\n", newdelete, mode, name); - else - printf(" %s %s\n", newdelete, name); -} - -static void show_mode_change(struct patch *p, int show_name) -{ - if (p->old_mode && p->new_mode && p->old_mode != p->new_mode) { - if (show_name) - printf(" mode change %06o => %06o %s\n", - p->old_mode, p->new_mode, p->new_name); - else - printf(" mode change %06o => %06o\n", - p->old_mode, p->new_mode); - } -} - -static void show_rename_copy(struct patch *p) -{ - const char *renamecopy = p->is_rename ? "rename" : "copy"; - const char *old, *new; - - /* Find common prefix */ - old = p->old_name; - new = p->new_name; - while (1) { - const char *slash_old, *slash_new; - slash_old = strchr(old, '/'); - slash_new = strchr(new, '/'); - if (!slash_old || - !slash_new || - slash_old - old != slash_new - new || - memcmp(old, new, slash_new - new)) - break; - old = slash_old + 1; - new = slash_new + 1; - } - /* p->old_name thru old is the common prefix, and old and new - * through the end of names are renames - */ - if (old != p->old_name) - printf(" %s %.*s{%s => %s} (%d%%)\n", renamecopy, - (int)(old - p->old_name), p->old_name, - old, new, p->score); - else - printf(" %s %s => %s (%d%%)\n", renamecopy, - p->old_name, p->new_name, p->score); - show_mode_change(p, 0); -} - -static void summary_patch_list(struct patch *patch) -{ - struct patch *p; - - for (p = patch; p; p = p->next) { - if (p->is_new) - show_file_mode_name("create", p->new_mode, p->new_name); - else if (p->is_delete) - show_file_mode_name("delete", p->old_mode, p->old_name); - else { - if (p->is_rename || p->is_copy) - show_rename_copy(p); - else { - if (p->score) { - printf(" rewrite %s (%d%%)\n", - p->new_name, p->score); - show_mode_change(p, 0); - } - else - show_mode_change(p, 1); - } - } - } -} - -static void patch_stats(struct apply_state *state, struct patch *patch) -{ - int lines = patch->lines_added + patch->lines_deleted; - - if (lines > state->max_change) - state->max_change = lines; - if (patch->old_name) { - int len = quote_c_style(patch->old_name, NULL, NULL, 0); - if (!len) - len = strlen(patch->old_name); - if (len > state->max_len) - state->max_len = len; - } - if (patch->new_name) { - int len = quote_c_style(patch->new_name, NULL, NULL, 0); - if (!len) - len = strlen(patch->new_name); - if (len > state->max_len) - state->max_len = len; - } -} - -static void remove_file(struct apply_state *state, struct patch *patch, int rmdir_empty) -{ - if (state->update_index) { - if (remove_file_from_cache(patch->old_name) < 0) - die(_("unable to remove %s from index"), patch->old_name); - } - if (!state->cached) { - if (!remove_or_warn(patch->old_mode, patch->old_name) && rmdir_empty) { - remove_path(patch->old_name); - } - } -} - -static void add_index_file(struct apply_state *state, - const char *path, - unsigned mode, - void *buf, - unsigned long size) -{ - struct stat st; - struct cache_entry *ce; - int namelen = strlen(path); - unsigned ce_size = cache_entry_size(namelen); - - if (!state->update_index) - return; - - ce = xcalloc(1, ce_size); - memcpy(ce->name, path, namelen); - ce->ce_mode = create_ce_mode(mode); - ce->ce_flags = create_ce_flags(0); - ce->ce_namelen = namelen; - if (S_ISGITLINK(mode)) { - const char *s; - - if (!skip_prefix(buf, "Subproject commit ", &s) || - get_sha1_hex(s, ce->sha1)) - die(_("corrupt patch for submodule %s"), path); - } else { - if (!state->cached) { - if (lstat(path, &st) < 0) - die_errno(_("unable to stat newly created file '%s'"), - path); - fill_stat_cache_info(ce, &st); - } - if (write_sha1_file(buf, size, blob_type, ce->sha1) < 0) - die(_("unable to create backing store for newly created file %s"), path); - } - if (add_cache_entry(ce, ADD_CACHE_OK_TO_ADD) < 0) - die(_("unable to add cache entry for %s"), path); -} - -static int try_create_file(const char *path, unsigned int mode, const char *buf, unsigned long size) -{ - int fd; - struct strbuf nbuf = STRBUF_INIT; - - if (S_ISGITLINK(mode)) { - struct stat st; - if (!lstat(path, &st) && S_ISDIR(st.st_mode)) - return 0; - return mkdir(path, 0777); - } - - if (has_symlinks && S_ISLNK(mode)) - /* Although buf:size is counted string, it also is NUL - * terminated. - */ - return symlink(buf, path); - - fd = open(path, O_CREAT | O_EXCL | O_WRONLY, (mode & 0100) ? 0777 : 0666); - if (fd < 0) - return -1; - - if (convert_to_working_tree(path, buf, size, &nbuf)) { - size = nbuf.len; - buf = nbuf.buf; - } - write_or_die(fd, buf, size); - strbuf_release(&nbuf); - - if (close(fd) < 0) - die_errno(_("closing file '%s'"), path); - return 0; -} - -/* - * We optimistically assume that the directories exist, - * which is true 99% of the time anyway. If they don't, - * we create them and try again. - */ -static void create_one_file(struct apply_state *state, - char *path, - unsigned mode, - const char *buf, - unsigned long size) -{ - if (state->cached) - return; - if (!try_create_file(path, mode, buf, size)) - return; - - if (errno == ENOENT) { - if (safe_create_leading_directories(path)) - return; - if (!try_create_file(path, mode, buf, size)) - return; - } - - if (errno == EEXIST || errno == EACCES) { - /* We may be trying to create a file where a directory - * used to be. - */ - struct stat st; - if (!lstat(path, &st) && (!S_ISDIR(st.st_mode) || !rmdir(path))) - errno = EEXIST; - } - - if (errno == EEXIST) { - unsigned int nr = getpid(); - - for (;;) { - char newpath[PATH_MAX]; - mksnpath(newpath, sizeof(newpath), "%s~%u", path, nr); - if (!try_create_file(newpath, mode, buf, size)) { - if (!rename(newpath, path)) - return; - unlink_or_warn(newpath); - break; - } - if (errno != EEXIST) - break; - ++nr; - } - } - die_errno(_("unable to write file '%s' mode %o"), path, mode); -} - -static void add_conflicted_stages_file(struct apply_state *state, - struct patch *patch) -{ - int stage, namelen; - unsigned ce_size, mode; - struct cache_entry *ce; - - if (!state->update_index) - return; - namelen = strlen(patch->new_name); - ce_size = cache_entry_size(namelen); - mode = patch->new_mode ? patch->new_mode : (S_IFREG | 0644); - - remove_file_from_cache(patch->new_name); - for (stage = 1; stage < 4; stage++) { - if (is_null_oid(&patch->threeway_stage[stage - 1])) - continue; - ce = xcalloc(1, ce_size); - memcpy(ce->name, patch->new_name, namelen); - ce->ce_mode = create_ce_mode(mode); - ce->ce_flags = create_ce_flags(stage); - ce->ce_namelen = namelen; - hashcpy(ce->sha1, patch->threeway_stage[stage - 1].hash); - if (add_cache_entry(ce, ADD_CACHE_OK_TO_ADD) < 0) - die(_("unable to add cache entry for %s"), patch->new_name); - } -} - -static void create_file(struct apply_state *state, struct patch *patch) -{ - char *path = patch->new_name; - unsigned mode = patch->new_mode; - unsigned long size = patch->resultsize; - char *buf = patch->result; - - if (!mode) - mode = S_IFREG | 0644; - create_one_file(state, path, mode, buf, size); - - if (patch->conflicted_threeway) - add_conflicted_stages_file(state, patch); - else - add_index_file(state, path, mode, buf, size); -} - -/* phase zero is to remove, phase one is to create */ -static void write_out_one_result(struct apply_state *state, - struct patch *patch, - int phase) -{ - if (patch->is_delete > 0) { - if (phase == 0) - remove_file(state, patch, 1); - return; - } - if (patch->is_new > 0 || patch->is_copy) { - if (phase == 1) - create_file(state, patch); - return; - } - /* - * Rename or modification boils down to the same - * thing: remove the old, write the new - */ - if (phase == 0) - remove_file(state, patch, patch->is_rename); - if (phase == 1) - create_file(state, patch); -} - -static int write_out_one_reject(struct apply_state *state, struct patch *patch) -{ - FILE *rej; - char namebuf[PATH_MAX]; - struct fragment *frag; - int cnt = 0; - struct strbuf sb = STRBUF_INIT; - - for (cnt = 0, frag = patch->fragments; frag; frag = frag->next) { - if (!frag->rejected) - continue; - cnt++; - } - - if (!cnt) { - if (state->apply_verbosely) - say_patch_name(stderr, - _("Applied patch %s cleanly."), patch); - return 0; - } - - /* This should not happen, because a removal patch that leaves - * contents are marked "rejected" at the patch level. - */ - if (!patch->new_name) - die(_("internal error")); - - /* Say this even without --verbose */ - strbuf_addf(&sb, Q_("Applying patch %%s with %d reject...", - "Applying patch %%s with %d rejects...", - cnt), - cnt); - say_patch_name(stderr, sb.buf, patch); - strbuf_release(&sb); - - cnt = strlen(patch->new_name); - if (ARRAY_SIZE(namebuf) <= cnt + 5) { - cnt = ARRAY_SIZE(namebuf) - 5; - warning(_("truncating .rej filename to %.*s.rej"), - cnt - 1, patch->new_name); - } - memcpy(namebuf, patch->new_name, cnt); - memcpy(namebuf + cnt, ".rej", 5); - - rej = fopen(namebuf, "w"); - if (!rej) - return error(_("cannot open %s: %s"), namebuf, strerror(errno)); - - /* Normal git tools never deal with .rej, so do not pretend - * this is a git patch by saying --git or giving extended - * headers. While at it, maybe please "kompare" that wants - * the trailing TAB and some garbage at the end of line ;-). - */ - fprintf(rej, "diff a/%s b/%s\t(rejected hunks)\n", - patch->new_name, patch->new_name); - for (cnt = 1, frag = patch->fragments; - frag; - cnt++, frag = frag->next) { - if (!frag->rejected) { - fprintf_ln(stderr, _("Hunk #%d applied cleanly."), cnt); - continue; - } - fprintf_ln(stderr, _("Rejected hunk #%d."), cnt); - fprintf(rej, "%.*s", frag->size, frag->patch); - if (frag->patch[frag->size-1] != '\n') - fputc('\n', rej); - } - fclose(rej); - return -1; -} - -static int write_out_results(struct apply_state *state, struct patch *list) -{ - int phase; - int errs = 0; - struct patch *l; - struct string_list cpath = STRING_LIST_INIT_DUP; - - for (phase = 0; phase < 2; phase++) { - l = list; - while (l) { - if (l->rejected) - errs = 1; - else { - write_out_one_result(state, l, phase); - if (phase == 1) { - if (write_out_one_reject(state, l)) - errs = 1; - if (l->conflicted_threeway) { - string_list_append(&cpath, l->new_name); - errs = 1; - } - } - } - l = l->next; - } - } - - if (cpath.nr) { - struct string_list_item *item; - - string_list_sort(&cpath); - for_each_string_list_item(item, &cpath) - fprintf(stderr, "U %s\n", item->string); - string_list_clear(&cpath, 0); - - rerere(0); - } - - return errs; -} - static struct lock_file lock_file; -#define INACCURATE_EOF (1<<0) -#define RECOUNT (1<<1) - -static int apply_patch(struct apply_state *state, - int fd, - const char *filename, - int options) -{ - size_t offset; - struct strbuf buf = STRBUF_INIT; /* owns the patch text */ - struct patch *list = NULL, **listp = &list; - int skipped_patch = 0; - - state->patch_input_file = filename; - read_patch_file(&buf, fd); - offset = 0; - while (offset < buf.len) { - struct patch *patch; - int nr; - - patch = xcalloc(1, sizeof(*patch)); - patch->inaccurate_eof = !!(options & INACCURATE_EOF); - patch->recount = !!(options & RECOUNT); - nr = parse_chunk(state, buf.buf + offset, buf.len - offset, patch); - if (nr < 0) { - free_patch(patch); - break; - } - if (state->apply_in_reverse) - reverse_patches(patch); - if (use_patch(state, patch)) { - patch_stats(state, patch); - *listp = patch; - listp = &patch->next; - } - else { - if (state->apply_verbosely) - say_patch_name(stderr, _("Skipped patch '%s'."), patch); - free_patch(patch); - skipped_patch++; - } - offset += nr; - } - - if (!list && !skipped_patch) - die(_("unrecognized input")); - - if (state->whitespace_error && (state->ws_error_action == die_on_ws_error)) - state->apply = 0; - - state->update_index = state->check_index && state->apply; - if (state->update_index && state->newfd < 0) - state->newfd = hold_locked_index(state->lock_file, 1); - - if (state->check_index) { - if (read_cache() < 0) - die(_("unable to read index file")); - } - - if ((state->check || state->apply) && - check_patch_list(state, list) < 0 && - !state->apply_with_reject) - exit(1); - - if (state->apply && write_out_results(state, list)) { - if (state->apply_with_reject) - exit(1); - /* with --3way, we still need to write the index out */ - return 1; - } - - if (state->fake_ancestor) - build_fake_ancestor(list, state->fake_ancestor); - - if (state->diffstat) - stat_patch_list(state, list); - - if (state->numstat) - numstat_patch_list(state, list); - - if (state->summary) - summary_patch_list(list); - - free_patch_list(list); - strbuf_release(&buf); - string_list_clear(&state->fn_table, 0); - return 0; -} - -static void git_apply_config(void) -{ - git_config_get_string_const("apply.whitespace", &apply_default_whitespace); - git_config_get_string_const("apply.ignorewhitespace", &apply_default_ignorewhitespace); - git_config(git_default_config, NULL); -} - -static int option_parse_exclude(const struct option *opt, - const char *arg, int unset) -{ - struct apply_state *state = opt->value; - add_name_limit(state, arg, 1); - return 0; -} - -static int option_parse_include(const struct option *opt, - const char *arg, int unset) -{ - struct apply_state *state = opt->value; - add_name_limit(state, arg, 0); - state->has_include = 1; - return 0; -} - -static int option_parse_p(const struct option *opt, - const char *arg, - int unset) -{ - struct apply_state *state = opt->value; - state->p_value = atoi(arg); - state->p_value_known = 1; - return 0; -} - -static int option_parse_space_change(const struct option *opt, - const char *arg, int unset) -{ - struct apply_state *state = opt->value; - if (unset) - state->ws_ignore_action = ignore_ws_none; - else - state->ws_ignore_action = ignore_ws_change; - return 0; -} - -static int option_parse_whitespace(const struct option *opt, - const char *arg, int unset) -{ - struct apply_state *state = opt->value; - state->whitespace_option = arg; - parse_whitespace_option(state, arg); - return 0; -} - -static int option_parse_directory(const struct option *opt, - const char *arg, int unset) -{ - struct apply_state *state = opt->value; - strbuf_reset(&state->root); - strbuf_addstr(&state->root, arg); - strbuf_complete(&state->root, '/'); - return 0; -} - -static void init_apply_state(struct apply_state *state, - const char *prefix, - struct lock_file *lock_file) -{ - memset(state, 0, sizeof(*state)); - state->prefix = prefix; - state->prefix_length = state->prefix ? strlen(state->prefix) : 0; - state->lock_file = lock_file; - state->newfd = -1; - state->apply = 1; - state->line_termination = '\n'; - state->p_value = 1; - state->p_context = UINT_MAX; - state->squelch_whitespace_errors = 5; - state->ws_error_action = warn_on_ws_error; - state->ws_ignore_action = ignore_ws_none; - state->linenr = 1; - string_list_init(&state->fn_table, 0); - string_list_init(&state->limit_by_name, 0); - string_list_init(&state->symlink_changes, 0); - strbuf_init(&state->root, 0); - - git_apply_config(); - if (apply_default_whitespace) - parse_whitespace_option(state, apply_default_whitespace); - if (apply_default_ignorewhitespace) - parse_ignorewhitespace_option(state, apply_default_ignorewhitespace); -} - -static void clear_apply_state(struct apply_state *state) -{ - string_list_clear(&state->limit_by_name, 0); - string_list_clear(&state->symlink_changes, 0); - strbuf_release(&state->root); - - /* &state->fn_table is cleared at the end of apply_patch() */ -} - -static void check_apply_state(struct apply_state *state, int force_apply) -{ - int is_not_gitdir = !startup_info->have_repository; - - if (state->apply_with_reject && state->threeway) - die("--reject and --3way cannot be used together."); - if (state->cached && state->threeway) - die("--cached and --3way cannot be used together."); - if (state->threeway) { - if (is_not_gitdir) - die(_("--3way outside a repository")); - state->check_index = 1; - } - if (state->apply_with_reject) - state->apply = state->apply_verbosely = 1; - if (!force_apply && (state->diffstat || state->numstat || state->summary || state->check || state->fake_ancestor)) - state->apply = 0; - if (state->check_index && is_not_gitdir) - die(_("--index outside a repository")); - if (state->cached) { - if (is_not_gitdir) - die(_("--cached outside a repository")); - state->check_index = 1; - } - if (state->check_index) - state->unsafe_paths = 0; - if (!state->lock_file) - die("BUG: state->lock_file should not be NULL"); -} - -static int apply_all_patches(struct apply_state *state, - int argc, - const char **argv, - int options) -{ - int i; - int errs = 0; - int read_stdin = 1; - - for (i = 0; i < argc; i++) { - const char *arg = argv[i]; - int fd; - - if (!strcmp(arg, "-")) { - errs |= apply_patch(state, 0, "<stdin>", options); - read_stdin = 0; - continue; - } else if (0 < state->prefix_length) - arg = prefix_filename(state->prefix, - state->prefix_length, - arg); - - fd = open(arg, O_RDONLY); - if (fd < 0) - die_errno(_("can't open patch '%s'"), arg); - read_stdin = 0; - set_default_whitespace_mode(state); - errs |= apply_patch(state, fd, arg, options); - close(fd); - } - set_default_whitespace_mode(state); - if (read_stdin) - errs |= apply_patch(state, 0, "<stdin>", options); - - if (state->whitespace_error) { - if (state->squelch_whitespace_errors && - state->squelch_whitespace_errors < state->whitespace_error) { - int squelched = - state->whitespace_error - state->squelch_whitespace_errors; - warning(Q_("squelched %d whitespace error", - "squelched %d whitespace errors", - squelched), - squelched); - } - if (state->ws_error_action == die_on_ws_error) - die(Q_("%d line adds whitespace errors.", - "%d lines add whitespace errors.", - state->whitespace_error), - state->whitespace_error); - if (state->applied_after_fixing_ws && state->apply) - warning("%d line%s applied after" - " fixing whitespace errors.", - state->applied_after_fixing_ws, - state->applied_after_fixing_ws == 1 ? "" : "s"); - else if (state->whitespace_error) - warning(Q_("%d line adds whitespace errors.", - "%d lines add whitespace errors.", - state->whitespace_error), - state->whitespace_error); - } - - if (state->update_index) { - if (write_locked_index(&the_index, state->lock_file, COMMIT_LOCK)) - die(_("Unable to write new index file")); - state->newfd = -1; - } - - return !!errs; -} - int cmd_apply(int argc, const char **argv, const char *prefix) { int force_apply = 0; @@ -4795,81 +18,15 @@ int cmd_apply(int argc, const char **argv, const char *prefix) int ret; struct apply_state state; - struct option builtin_apply_options[] = { - { OPTION_CALLBACK, 0, "exclude", &state, N_("path"), - N_("don't apply changes matching the given path"), - 0, option_parse_exclude }, - { OPTION_CALLBACK, 0, "include", &state, N_("path"), - N_("apply changes matching the given path"), - 0, option_parse_include }, - { OPTION_CALLBACK, 'p', NULL, &state, N_("num"), - N_("remove <num> leading slashes from traditional diff paths"), - 0, option_parse_p }, - OPT_BOOL(0, "no-add", &state.no_add, - N_("ignore additions made by the patch")), - OPT_BOOL(0, "stat", &state.diffstat, - N_("instead of applying the patch, output diffstat for the input")), - OPT_NOOP_NOARG(0, "allow-binary-replacement"), - OPT_NOOP_NOARG(0, "binary"), - OPT_BOOL(0, "numstat", &state.numstat, - N_("show number of added and deleted lines in decimal notation")), - OPT_BOOL(0, "summary", &state.summary, - N_("instead of applying the patch, output a summary for the input")), - OPT_BOOL(0, "check", &state.check, - N_("instead of applying the patch, see if the patch is applicable")), - OPT_BOOL(0, "index", &state.check_index, - N_("make sure the patch is applicable to the current index")), - OPT_BOOL(0, "cached", &state.cached, - N_("apply a patch without touching the working tree")), - OPT_BOOL(0, "unsafe-paths", &state.unsafe_paths, - N_("accept a patch that touches outside the working area")), - OPT_BOOL(0, "apply", &force_apply, - N_("also apply the patch (use with --stat/--summary/--check)")), - OPT_BOOL('3', "3way", &state.threeway, - N_( "attempt three-way merge if a patch does not apply")), - OPT_FILENAME(0, "build-fake-ancestor", &state.fake_ancestor, - N_("build a temporary index based on embedded index information")), - /* Think twice before adding "--nul" synonym to this */ - OPT_SET_INT('z', NULL, &state.line_termination, - N_("paths are separated with NUL character"), '\0'), - OPT_INTEGER('C', NULL, &state.p_context, - N_("ensure at least <n> lines of context match")), - { OPTION_CALLBACK, 0, "whitespace", &state, N_("action"), - N_("detect new or modified lines that have whitespace errors"), - 0, option_parse_whitespace }, - { OPTION_CALLBACK, 0, "ignore-space-change", &state, NULL, - N_("ignore changes in whitespace when finding context"), - PARSE_OPT_NOARG, option_parse_space_change }, - { OPTION_CALLBACK, 0, "ignore-whitespace", &state, NULL, - N_("ignore changes in whitespace when finding context"), - PARSE_OPT_NOARG, option_parse_space_change }, - OPT_BOOL('R', "reverse", &state.apply_in_reverse, - N_("apply the patch in reverse")), - OPT_BOOL(0, "unidiff-zero", &state.unidiff_zero, - N_("don't expect at least one line of context")), - OPT_BOOL(0, "reject", &state.apply_with_reject, - N_("leave the rejected hunks in corresponding *.rej files")), - OPT_BOOL(0, "allow-overlap", &state.allow_overlap, - N_("allow overlapping hunks")), - OPT__VERBOSE(&state.apply_verbosely, N_("be verbose")), - OPT_BIT(0, "inaccurate-eof", &options, - N_("tolerate incorrectly detected missing new-line at the end of file"), - INACCURATE_EOF), - OPT_BIT(0, "recount", &options, - N_("do not trust the line counts in the hunk headers"), - RECOUNT), - { OPTION_CALLBACK, 0, "directory", &state, N_("root"), - N_("prepend <root> to all filenames"), - 0, option_parse_directory }, - OPT_END() - }; - - init_apply_state(&state, prefix, &lock_file); + if (init_apply_state(&state, prefix, &lock_file)) + exit(128); - argc = parse_options(argc, argv, state.prefix, builtin_apply_options, - apply_usage, 0); + argc = apply_parse_options(argc, argv, + &state, &force_apply, &options, + apply_usage); - check_apply_state(&state, force_apply); + if (check_apply_state(&state, force_apply)) + exit(128); ret = apply_all_patches(&state, argc, argv, options); diff --git a/builtin/blame.c b/builtin/blame.c index a5bbf91e49..ccaf8be5e7 100644 --- a/builtin/blame.c +++ b/builtin/blame.c @@ -120,7 +120,7 @@ struct origin { */ struct blame_entry *suspects; mmfile_t file; - unsigned char blob_sha1[20]; + struct object_id blob_oid; unsigned mode; /* guilty gets set when shipping any suspects to the final * blame list instead of other commits @@ -154,8 +154,8 @@ static int diff_hunks(mmfile_t *file_a, mmfile_t *file_b, */ int textconv_object(const char *path, unsigned mode, - const unsigned char *sha1, - int sha1_valid, + const struct object_id *oid, + int oid_valid, char **buf, unsigned long *buf_size) { @@ -163,7 +163,7 @@ int textconv_object(const char *path, struct userdiff_driver *textconv; df = alloc_filespec(path); - fill_filespec(df, sha1, sha1_valid, mode); + fill_filespec(df, oid->hash, oid_valid, mode); textconv = get_textconv(df); if (!textconv) { free_filespec(df); @@ -188,15 +188,16 @@ static void fill_origin_blob(struct diff_options *opt, num_read_blob++; if (DIFF_OPT_TST(opt, ALLOW_TEXTCONV) && - textconv_object(o->path, o->mode, o->blob_sha1, 1, &file->ptr, &file_size)) + textconv_object(o->path, o->mode, &o->blob_oid, 1, &file->ptr, &file_size)) ; else - file->ptr = read_sha1_file(o->blob_sha1, &type, &file_size); + file->ptr = read_sha1_file(o->blob_oid.hash, &type, + &file_size); file->size = file_size; if (!file->ptr) die("Cannot read blob %s for path %s", - sha1_to_hex(o->blob_sha1), + oid_to_hex(&o->blob_oid), o->path); o->file = *file; } @@ -508,17 +509,17 @@ static struct origin *get_origin(struct scoreboard *sb, */ static int fill_blob_sha1_and_mode(struct origin *origin) { - if (!is_null_sha1(origin->blob_sha1)) + if (!is_null_oid(&origin->blob_oid)) return 0; if (get_tree_entry(origin->commit->object.oid.hash, origin->path, - origin->blob_sha1, &origin->mode)) + origin->blob_oid.hash, &origin->mode)) goto error_out; - if (sha1_object_info(origin->blob_sha1, NULL) != OBJ_BLOB) + if (sha1_object_info(origin->blob_oid.hash, NULL) != OBJ_BLOB) goto error_out; return 0; error_out: - hashclr(origin->blob_sha1); + oidclr(&origin->blob_oid); origin->mode = S_IFINVALID; return -1; } @@ -572,7 +573,7 @@ static struct origin *find_origin(struct scoreboard *sb, if (!diff_queued_diff.nr) { /* The path is the same as parent */ porigin = get_origin(sb, parent, origin->path); - hashcpy(porigin->blob_sha1, origin->blob_sha1); + oidcpy(&porigin->blob_oid, &origin->blob_oid); porigin->mode = origin->mode; } else { /* @@ -598,7 +599,7 @@ static struct origin *find_origin(struct scoreboard *sb, p->status); case 'M': porigin = get_origin(sb, parent, origin->path); - hashcpy(porigin->blob_sha1, p->one->oid.hash); + oidcpy(&porigin->blob_oid, &p->one->oid); porigin->mode = p->one->mode; break; case 'A': @@ -644,7 +645,7 @@ static struct origin *find_rename(struct scoreboard *sb, if ((p->status == 'R' || p->status == 'C') && !strcmp(p->two->path, origin->path)) { porigin = get_origin(sb, parent, p->one->path); - hashcpy(porigin->blob_sha1, p->one->oid.hash); + oidcpy(&porigin->blob_oid, &p->one->oid); porigin->mode = p->one->mode; break; } @@ -1308,7 +1309,7 @@ static void find_copy_in_parent(struct scoreboard *sb, continue; norigin = get_origin(sb, parent, p->one->path); - hashcpy(norigin->blob_sha1, p->one->oid.hash); + oidcpy(&norigin->blob_oid, &p->one->oid); norigin->mode = p->one->mode; fill_origin_blob(&sb->revs->diffopt, norigin, &file_p); if (!file_p.ptr) @@ -1458,15 +1459,14 @@ static void pass_blame(struct scoreboard *sb, struct origin *origin, int opt) porigin = find(sb, p, origin); if (!porigin) continue; - if (!hashcmp(porigin->blob_sha1, origin->blob_sha1)) { + if (!oidcmp(&porigin->blob_oid, &origin->blob_oid)) { pass_whole_blame(sb, origin, porigin); origin_decref(porigin); goto finish; } for (j = same = 0; j < i; j++) if (sg_origin[j] && - !hashcmp(sg_origin[j]->blob_sha1, - porigin->blob_sha1)) { + !oidcmp(&sg_origin[j]->blob_oid, &porigin->blob_oid)) { same = 1; break; } @@ -1941,7 +1941,7 @@ static void emit_other(struct scoreboard *sb, struct blame_entry *ent, int opt) cp = nth_line(sb, ent->lno); for (cnt = 0; cnt < ent->num_lines; cnt++) { char ch; - int length = (opt & OUTPUT_LONG_OBJECT_NAME) ? 40 : abbrev; + int length = (opt & OUTPUT_LONG_OBJECT_NAME) ? GIT_SHA1_HEXSZ : abbrev; if (suspect->commit->object.flags & UNINTERESTING) { if (blank_boundary) @@ -2232,12 +2232,12 @@ static void verify_working_tree_path(struct commit *work_tree, const char *path) int pos; for (parents = work_tree->parents; parents; parents = parents->next) { - const unsigned char *commit_sha1 = parents->item->object.oid.hash; - unsigned char blob_sha1[20]; + const struct object_id *commit_oid = &parents->item->object.oid; + struct object_id blob_oid; unsigned mode; - if (!get_tree_entry(commit_sha1, path, blob_sha1, &mode) && - sha1_object_info(blob_sha1, NULL) == OBJ_BLOB) + if (!get_tree_entry(commit_oid->hash, path, blob_oid.hash, &mode) && + sha1_object_info(blob_oid.hash, NULL) == OBJ_BLOB) return; } @@ -2251,13 +2251,13 @@ static void verify_working_tree_path(struct commit *work_tree, const char *path) die("no such path '%s' in HEAD", path); } -static struct commit_list **append_parent(struct commit_list **tail, const unsigned char *sha1) +static struct commit_list **append_parent(struct commit_list **tail, const struct object_id *oid) { struct commit *parent; - parent = lookup_commit_reference(sha1); + parent = lookup_commit_reference(oid->hash); if (!parent) - die("no such commit %s", sha1_to_hex(sha1)); + die("no such commit %s", oid_to_hex(oid)); return &commit_list_insert(parent, tail)->next; } @@ -2274,10 +2274,10 @@ static void append_merge_parents(struct commit_list **tail) } while (!strbuf_getwholeline_fd(&line, merge_head, '\n')) { - unsigned char sha1[20]; - if (line.len < 40 || get_sha1_hex(line.buf, sha1)) + struct object_id oid; + if (line.len < GIT_SHA1_HEXSZ || get_oid_hex(line.buf, &oid)) die("unknown line in '%s': %s", git_path_merge_head(), line.buf); - tail = append_parent(tail, sha1); + tail = append_parent(tail, &oid); } close(merge_head); strbuf_release(&line); @@ -2306,7 +2306,7 @@ static struct commit *fake_working_tree_commit(struct diff_options *opt, struct commit *commit; struct origin *origin; struct commit_list **parent_tail, *parent; - unsigned char head_sha1[20]; + struct object_id head_oid; struct strbuf buf = STRBUF_INIT; const char *ident; time_t now; @@ -2322,10 +2322,10 @@ static struct commit *fake_working_tree_commit(struct diff_options *opt, commit->date = now; parent_tail = &commit->parents; - if (!resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, head_sha1, NULL)) + if (!resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, head_oid.hash, NULL)) die("no such ref: HEAD"); - parent_tail = append_parent(parent_tail, head_sha1); + parent_tail = append_parent(parent_tail, &head_oid); append_merge_parents(parent_tail); verify_working_tree_path(commit, path); @@ -2366,7 +2366,7 @@ static struct commit *fake_working_tree_commit(struct diff_options *opt, switch (st.st_mode & S_IFMT) { case S_IFREG: if (DIFF_OPT_TST(opt, ALLOW_TEXTCONV) && - textconv_object(read_from, mode, null_sha1, 0, &buf_ptr, &buf_len)) + textconv_object(read_from, mode, &null_oid, 0, &buf_ptr, &buf_len)) strbuf_attach(&buf, buf_ptr, buf_len, buf_len + 1); else if (strbuf_read_file(&buf, read_from, st.st_size) != st.st_size) die_errno("cannot open or read '%s'", read_from); @@ -2388,7 +2388,7 @@ static struct commit *fake_working_tree_commit(struct diff_options *opt, convert_to_git(path, buf.buf, buf.len, &buf, 0); origin->file.ptr = buf.buf; origin->file.size = buf.len; - pretend_sha1_file(buf.buf, buf.len, OBJ_BLOB, origin->blob_sha1); + pretend_sha1_file(buf.buf, buf.len, OBJ_BLOB, origin->blob_oid.hash); /* * Read the current index, replace the path entry with @@ -2410,7 +2410,7 @@ static struct commit *fake_working_tree_commit(struct diff_options *opt, } size = cache_entry_size(len); ce = xcalloc(1, size); - hashcpy(ce->sha1, origin->blob_sha1); + oidcpy(&ce->oid, &origin->blob_oid); memcpy(ce->name, path, len); ce->ce_flags = create_ce_flags(0); ce->ce_namelen = len; @@ -2793,16 +2793,16 @@ parse_done: die("no such path %s in %s", path, final_commit_name); if (DIFF_OPT_TST(&sb.revs->diffopt, ALLOW_TEXTCONV) && - textconv_object(path, o->mode, o->blob_sha1, 1, (char **) &sb.final_buf, + textconv_object(path, o->mode, &o->blob_oid, 1, (char **) &sb.final_buf, &sb.final_buf_size)) ; else - sb.final_buf = read_sha1_file(o->blob_sha1, &type, + sb.final_buf = read_sha1_file(o->blob_oid.hash, &type, &sb.final_buf_size); if (!sb.final_buf) die("Cannot read blob %s for path %s", - sha1_to_hex(o->blob_sha1), + oid_to_hex(&o->blob_oid), path); } num_read_blob++; diff --git a/builtin/cat-file.c b/builtin/cat-file.c index 560f6c2cc7..3ee9bc9ad1 100644 --- a/builtin/cat-file.c +++ b/builtin/cat-file.c @@ -23,7 +23,7 @@ struct batch_options { static int cat_one_file(int opt, const char *exp_type, const char *obj_name, int unknown_type) { - unsigned char sha1[20]; + struct object_id oid; enum object_type type; char *buf; unsigned long size; @@ -35,14 +35,14 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name, if (unknown_type) flags |= LOOKUP_UNKNOWN_OBJECT; - if (get_sha1_with_context(obj_name, 0, sha1, &obj_context)) + if (get_sha1_with_context(obj_name, 0, oid.hash, &obj_context)) die("Not a valid object name %s", obj_name); buf = NULL; switch (opt) { case 't': oi.typename = &sb; - if (sha1_object_info_extended(sha1, &oi, flags) < 0) + if (sha1_object_info_extended(oid.hash, &oi, flags) < 0) die("git cat-file: could not get object info"); if (sb.len) { printf("%s\n", sb.buf); @@ -53,24 +53,24 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name, case 's': oi.sizep = &size; - if (sha1_object_info_extended(sha1, &oi, flags) < 0) + if (sha1_object_info_extended(oid.hash, &oi, flags) < 0) die("git cat-file: could not get object info"); printf("%lu\n", size); return 0; case 'e': - return !has_sha1_file(sha1); + return !has_object_file(&oid); case 'c': if (!obj_context.path[0]) die("git cat-file --textconv %s: <object> must be <sha1:path>", obj_name); - if (textconv_object(obj_context.path, obj_context.mode, sha1, 1, &buf, &size)) + if (textconv_object(obj_context.path, obj_context.mode, &oid, 1, &buf, &size)) break; case 'p': - type = sha1_object_info(sha1, NULL); + type = sha1_object_info(oid.hash, NULL); if (type < 0) die("Not a valid object name %s", obj_name); @@ -83,8 +83,8 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name, } if (type == OBJ_BLOB) - return stream_blob_to_fd(1, sha1, NULL, 0); - buf = read_sha1_file(sha1, &type, &size); + return stream_blob_to_fd(1, &oid, NULL, 0); + buf = read_sha1_file(oid.hash, &type, &size); if (!buf) die("Cannot read object %s", obj_name); @@ -93,19 +93,19 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name, case 0: if (type_from_string(exp_type) == OBJ_BLOB) { - unsigned char blob_sha1[20]; - if (sha1_object_info(sha1, NULL) == OBJ_TAG) { - char *buffer = read_sha1_file(sha1, &type, &size); + struct object_id blob_oid; + if (sha1_object_info(oid.hash, NULL) == OBJ_TAG) { + char *buffer = read_sha1_file(oid.hash, &type, &size); const char *target; if (!skip_prefix(buffer, "object ", &target) || - get_sha1_hex(target, blob_sha1)) - die("%s not a valid tag", sha1_to_hex(sha1)); + get_oid_hex(target, &blob_oid)) + die("%s not a valid tag", oid_to_hex(&oid)); free(buffer); } else - hashcpy(blob_sha1, sha1); + oidcpy(&blob_oid, &oid); - if (sha1_object_info(blob_sha1, NULL) == OBJ_BLOB) - return stream_blob_to_fd(1, blob_sha1, NULL, 0); + if (sha1_object_info(blob_oid.hash, NULL) == OBJ_BLOB) + return stream_blob_to_fd(1, &blob_oid, NULL, 0); /* * we attempted to dereference a tag to a blob * and failed; there may be new dereference @@ -113,7 +113,7 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name, * fall-back to the usual case. */ } - buf = read_object_with_reference(sha1, exp_type, &size, NULL); + buf = read_object_with_reference(oid.hash, exp_type, &size, NULL); break; default: @@ -128,12 +128,12 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name, } struct expand_data { - unsigned char sha1[20]; + struct object_id oid; enum object_type type; unsigned long size; off_t disk_size; const char *rest; - unsigned char delta_base_sha1[20]; + struct object_id delta_base_oid; /* * If mark_query is true, we do not expand anything, but rather @@ -176,7 +176,7 @@ static void expand_atom(struct strbuf *sb, const char *atom, int len, if (is_atom("objectname", atom, len)) { if (!data->mark_query) - strbuf_addstr(sb, sha1_to_hex(data->sha1)); + strbuf_addstr(sb, oid_to_hex(&data->oid)); } else if (is_atom("objecttype", atom, len)) { if (data->mark_query) data->info.typep = &data->type; @@ -199,9 +199,10 @@ static void expand_atom(struct strbuf *sb, const char *atom, int len, strbuf_addstr(sb, data->rest); } else if (is_atom("deltabase", atom, len)) { if (data->mark_query) - data->info.delta_base_sha1 = data->delta_base_sha1; + data->info.delta_base_sha1 = data->delta_base_oid.hash; else - strbuf_addstr(sb, sha1_to_hex(data->delta_base_sha1)); + strbuf_addstr(sb, + oid_to_hex(&data->delta_base_oid)); } else die("unknown format element: %.*s", len, atom); } @@ -232,28 +233,28 @@ static void batch_write(struct batch_options *opt, const void *data, int len) static void print_object_or_die(struct batch_options *opt, struct expand_data *data) { - const unsigned char *sha1 = data->sha1; + const struct object_id *oid = &data->oid; assert(data->info.typep); if (data->type == OBJ_BLOB) { if (opt->buffer_output) fflush(stdout); - if (stream_blob_to_fd(1, sha1, NULL, 0) < 0) - die("unable to stream %s to stdout", sha1_to_hex(sha1)); + if (stream_blob_to_fd(1, oid, NULL, 0) < 0) + die("unable to stream %s to stdout", oid_to_hex(oid)); } else { enum object_type type; unsigned long size; void *contents; - contents = read_sha1_file(sha1, &type, &size); + contents = read_sha1_file(oid->hash, &type, &size); if (!contents) - die("object %s disappeared", sha1_to_hex(sha1)); + die("object %s disappeared", oid_to_hex(oid)); if (type != data->type) - die("object %s changed type!?", sha1_to_hex(sha1)); + die("object %s changed type!?", oid_to_hex(oid)); if (data->info.sizep && size != data->size) - die("object %s changed size!?", sha1_to_hex(sha1)); + die("object %s changed size!?", oid_to_hex(oid)); batch_write(opt, contents, size); free(contents); @@ -266,8 +267,9 @@ static void batch_object_write(const char *obj_name, struct batch_options *opt, struct strbuf buf = STRBUF_INIT; if (!data->skip_object_info && - sha1_object_info_extended(data->sha1, &data->info, LOOKUP_REPLACE_OBJECT) < 0) { - printf("%s missing\n", obj_name ? obj_name : sha1_to_hex(data->sha1)); + sha1_object_info_extended(data->oid.hash, &data->info, LOOKUP_REPLACE_OBJECT) < 0) { + printf("%s missing\n", + obj_name ? obj_name : oid_to_hex(&data->oid)); fflush(stdout); return; } @@ -290,7 +292,7 @@ static void batch_one_object(const char *obj_name, struct batch_options *opt, int flags = opt->follow_symlinks ? GET_SHA1_FOLLOW_SYMLINKS : 0; enum follow_symlinks_result result; - result = get_sha1_with_context(obj_name, flags, data->sha1, &ctx); + result = get_sha1_with_context(obj_name, flags, data->oid.hash, &ctx); if (result != FOUND) { switch (result) { case MISSING_OBJECT: @@ -336,7 +338,7 @@ struct object_cb_data { static void batch_object_cb(const unsigned char sha1[20], void *vdata) { struct object_cb_data *data = vdata; - hashcpy(data->expand->sha1, sha1); + hashcpy(data->expand->oid.hash, sha1); batch_object_write(NULL, data->opt, data->expand); } diff --git a/builtin/checkout.c b/builtin/checkout.c index 8672d0724f..8013a1b8b4 100644 --- a/builtin/checkout.c +++ b/builtin/checkout.c @@ -76,7 +76,7 @@ static int update_some(const unsigned char *sha1, struct strbuf *base, len = base->len + strlen(pathname); ce = xcalloc(1, cache_entry_size(len)); - hashcpy(ce->sha1, sha1); + hashcpy(ce->oid.hash, sha1); memcpy(ce->name, base->buf, base->len); memcpy(ce->name + base->len, pathname, len - base->len); ce->ce_flags = create_ce_flags(0) | CE_UPDATE; @@ -92,7 +92,7 @@ static int update_some(const unsigned char *sha1, struct strbuf *base, if (pos >= 0) { struct cache_entry *old = active_cache[pos]; if (ce->ce_mode == old->ce_mode && - !hashcmp(ce->sha1, old->sha1)) { + !oidcmp(&ce->oid, &old->oid)) { old->ce_flags |= CE_UPDATE; free(ce); return 0; @@ -175,9 +175,9 @@ static int checkout_merged(int pos, struct checkout *state) const char *path = ce->name; mmfile_t ancestor, ours, theirs; int status; - unsigned char sha1[20]; + struct object_id oid; mmbuffer_t result_buf; - unsigned char threeway[3][20]; + struct object_id threeway[3]; unsigned mode = 0; memset(threeway, 0, sizeof(threeway)); @@ -186,18 +186,18 @@ static int checkout_merged(int pos, struct checkout *state) stage = ce_stage(ce); if (!stage || strcmp(path, ce->name)) break; - hashcpy(threeway[stage - 1], ce->sha1); + oidcpy(&threeway[stage - 1], &ce->oid); if (stage == 2) mode = create_ce_mode(ce->ce_mode); pos++; ce = active_cache[pos]; } - if (is_null_sha1(threeway[1]) || is_null_sha1(threeway[2])) + if (is_null_oid(&threeway[1]) || is_null_oid(&threeway[2])) return error(_("path '%s' does not have necessary versions"), path); - read_mmblob(&ancestor, threeway[0]); - read_mmblob(&ours, threeway[1]); - read_mmblob(&theirs, threeway[2]); + read_mmblob(&ancestor, &threeway[0]); + read_mmblob(&ours, &threeway[1]); + read_mmblob(&theirs, &threeway[2]); /* * NEEDSWORK: re-create conflicts from merges with @@ -226,9 +226,9 @@ static int checkout_merged(int pos, struct checkout *state) * object database even when it may contain conflicts). */ if (write_sha1_file(result_buf.ptr, result_buf.size, - blob_type, sha1)) + blob_type, oid.hash)) die(_("Unable to add merge result for '%s'"), path); - ce = make_cache_entry(mode, sha1, path, 2, 0); + ce = make_cache_entry(mode, oid.hash, path, 2, 0); if (!ce) die(_("make_cache_entry failed for path '%s'"), path); status = checkout_entry(ce, state, NULL); @@ -241,7 +241,7 @@ static int checkout_paths(const struct checkout_opts *opts, int pos; struct checkout state; static char *ps_matched; - unsigned char rev[20]; + struct object_id rev; struct commit *head; int errs = 0; struct lock_file *lock_file; @@ -374,8 +374,8 @@ static int checkout_paths(const struct checkout_opts *opts, if (write_locked_index(&the_index, lock_file, COMMIT_LOCK)) die(_("unable to write new index file")); - read_ref_full("HEAD", 0, rev, NULL); - head = lookup_commit_reference_gently(rev, 1); + read_ref_full("HEAD", 0, rev.hash, NULL); + head = lookup_commit_reference_gently(rev.hash, 1); errs |= post_checkout_hook(head, head, 0); return errs; @@ -808,11 +808,11 @@ static int switch_branches(const struct checkout_opts *opts, int ret = 0; struct branch_info old; void *path_to_free; - unsigned char rev[20]; + struct object_id rev; int flag, writeout_error = 0; memset(&old, 0, sizeof(old)); - old.path = path_to_free = resolve_refdup("HEAD", 0, rev, &flag); - old.commit = lookup_commit_reference_gently(rev, 1); + old.path = path_to_free = resolve_refdup("HEAD", 0, rev.hash, &flag); + old.commit = lookup_commit_reference_gently(rev.hash, 1); if (!(flag & REF_ISSYMREF)) old.path = NULL; @@ -860,7 +860,7 @@ static int git_checkout_config(const char *var, const char *value, void *cb) struct tracking_name_data { /* const */ char *src_ref; char *dst_ref; - unsigned char *dst_sha1; + struct object_id *dst_oid; int unique; }; @@ -871,7 +871,7 @@ static int check_tracking_name(struct remote *remote, void *cb_data) memset(&query, 0, sizeof(struct refspec)); query.src = cb->src_ref; if (remote_find_tracking(remote, &query) || - get_sha1(query.dst, cb->dst_sha1)) { + get_oid(query.dst, cb->dst_oid)) { free(query.dst); return 0; } @@ -884,13 +884,13 @@ static int check_tracking_name(struct remote *remote, void *cb_data) return 0; } -static const char *unique_tracking_name(const char *name, unsigned char *sha1) +static const char *unique_tracking_name(const char *name, struct object_id *oid) { struct tracking_name_data cb_data = { NULL, NULL, NULL, 1 }; char src_ref[PATH_MAX]; snprintf(src_ref, PATH_MAX, "refs/heads/%s", name); cb_data.src_ref = src_ref; - cb_data.dst_sha1 = sha1; + cb_data.dst_oid = oid; for_each_remote(check_tracking_name, &cb_data); if (cb_data.unique) return cb_data.dst_ref; @@ -902,12 +902,12 @@ static int parse_branchname_arg(int argc, const char **argv, int dwim_new_local_branch_ok, struct branch_info *new, struct checkout_opts *opts, - unsigned char rev[20]) + struct object_id *rev) { struct tree **source_tree = &opts->source_tree; const char **new_branch = &opts->new_branch; int argcount = 0; - unsigned char branch_rev[20]; + struct object_id branch_rev; const char *arg; int dash_dash_pos; int has_dash_dash = 0; @@ -973,7 +973,7 @@ static int parse_branchname_arg(int argc, const char **argv, if (!strcmp(arg, "-")) arg = "@{-1}"; - if (get_sha1_mb(arg, rev)) { + if (get_oid_mb(arg, rev)) { /* * Either case (3) or (4), with <something> not being * a commit, or an attempt to use case (1) with an @@ -1022,15 +1022,15 @@ static int parse_branchname_arg(int argc, const char **argv, setup_branch_path(new); if (!check_refname_format(new->path, 0) && - !read_ref(new->path, branch_rev)) - hashcpy(rev, branch_rev); + !read_ref(new->path, branch_rev.hash)) + oidcpy(rev, &branch_rev); else new->path = NULL; /* not an existing branch */ - new->commit = lookup_commit_reference_gently(rev, 1); + new->commit = lookup_commit_reference_gently(rev->hash, 1); if (!new->commit) { /* not a commit */ - *source_tree = parse_tree_indirect(rev); + *source_tree = parse_tree_indirect(rev->hash); } else { parse_commit_or_die(new->commit); *source_tree = new->commit->tree; @@ -1108,9 +1108,9 @@ static int checkout_branch(struct checkout_opts *opts, if (new->path && !opts->force_detach && !opts->new_branch && !opts->ignore_other_worktrees) { - unsigned char sha1[20]; + struct object_id oid; int flag; - char *head_ref = resolve_refdup("HEAD", 0, sha1, &flag); + char *head_ref = resolve_refdup("HEAD", 0, oid.hash, &flag); if (head_ref && (!(flag & REF_ISSYMREF) || strcmp(head_ref, new->path))) die_if_checked_out(new->path, 1); @@ -1118,11 +1118,11 @@ static int checkout_branch(struct checkout_opts *opts, } if (!new->commit && opts->new_branch) { - unsigned char rev[20]; + struct object_id rev; int flag; - if (!read_ref_full("HEAD", 0, rev, &flag) && - (flag & REF_ISSYMREF) && is_null_sha1(rev)) + if (!read_ref_full("HEAD", 0, rev.hash, &flag) && + (flag & REF_ISSYMREF) && is_null_oid(&rev)) return switch_unborn_to_new_branch(opts); } return switch_branches(opts, new); @@ -1232,14 +1232,14 @@ int cmd_checkout(int argc, const char **argv, const char *prefix) * remote branches, erroring out for invalid or ambiguous cases. */ if (argc) { - unsigned char rev[20]; + struct object_id rev; int dwim_ok = !opts.patch_mode && dwim_new_local_branch && opts.track == BRANCH_TRACK_UNSPECIFIED && !opts.new_branch; int n = parse_branchname_arg(argc, argv, dwim_ok, - &new, &opts, rev); + &new, &opts, &rev); argv += n; argc -= n; } diff --git a/builtin/clone.c b/builtin/clone.c index f044a8c27f..404c5e8022 100644 --- a/builtin/clone.c +++ b/builtin/clone.c @@ -50,7 +50,8 @@ static int option_verbosity; static int option_progress = -1; static enum transport_family family; static struct string_list option_config = STRING_LIST_INIT_NODUP; -static struct string_list option_reference = STRING_LIST_INIT_NODUP; +static struct string_list option_required_reference = STRING_LIST_INIT_NODUP; +static struct string_list option_optional_reference = STRING_LIST_INIT_NODUP; static int option_dissociate; static int max_jobs = -1; @@ -79,8 +80,10 @@ static struct option builtin_clone_options[] = { N_("number of submodules cloned in parallel")), OPT_STRING(0, "template", &option_template, N_("template-directory"), N_("directory from which templates will be used")), - OPT_STRING_LIST(0, "reference", &option_reference, N_("repo"), + OPT_STRING_LIST(0, "reference", &option_required_reference, N_("repo"), N_("reference repository")), + OPT_STRING_LIST(0, "reference-if-able", &option_optional_reference, + N_("repo"), N_("reference repository")), OPT_BOOL(0, "dissociate", &option_dissociate, N_("use --reference only while cloning")), OPT_STRING('o', "origin", &option_origin, N_("name"), @@ -282,50 +285,37 @@ static void strip_trailing_slashes(char *dir) static int add_one_reference(struct string_list_item *item, void *cb_data) { - char *ref_git; - const char *repo; - struct strbuf alternate = STRBUF_INIT; - - /* Beware: read_gitfile(), real_path() and mkpath() return static buffer */ - ref_git = xstrdup(real_path(item->string)); - - repo = read_gitfile(ref_git); - if (!repo) - repo = read_gitfile(mkpath("%s/.git", ref_git)); - if (repo) { - free(ref_git); - ref_git = xstrdup(repo); - } + struct strbuf err = STRBUF_INIT; + int *required = cb_data; + char *ref_git = compute_alternate_path(item->string, &err); - if (!repo && is_directory(mkpath("%s/.git/objects", ref_git))) { - char *ref_git_git = mkpathdup("%s/.git", ref_git); - free(ref_git); - ref_git = ref_git_git; - } else if (!is_directory(mkpath("%s/objects", ref_git))) { + if (!ref_git) { + if (*required) + die("%s", err.buf); + else + fprintf(stderr, + _("info: Could not add alternate for '%s': %s\n"), + item->string, err.buf); + } else { struct strbuf sb = STRBUF_INIT; - if (get_common_dir(&sb, ref_git)) - die(_("reference repository '%s' as a linked checkout is not supported yet."), - item->string); - die(_("reference repository '%s' is not a local repository."), - item->string); + strbuf_addf(&sb, "%s/objects", ref_git); + add_to_alternates_file(sb.buf); + strbuf_release(&sb); } - if (!access(mkpath("%s/shallow", ref_git), F_OK)) - die(_("reference repository '%s' is shallow"), item->string); - - if (!access(mkpath("%s/info/grafts", ref_git), F_OK)) - die(_("reference repository '%s' is grafted"), item->string); - - strbuf_addf(&alternate, "%s/objects", ref_git); - add_to_alternates_file(alternate.buf); - strbuf_release(&alternate); + strbuf_release(&err); free(ref_git); return 0; } static void setup_reference(void) { - for_each_string_list(&option_reference, add_one_reference, NULL); + int required = 1; + for_each_string_list(&option_required_reference, + add_one_reference, &required); + required = 0; + for_each_string_list(&option_optional_reference, + add_one_reference, &required); } static void copy_alternates(struct strbuf *src, struct strbuf *dst, @@ -957,6 +947,25 @@ int cmd_clone(int argc, const char **argv, const char *prefix) else fprintf(stderr, _("Cloning into '%s'...\n"), dir); } + + if (option_recursive) { + if (option_required_reference.nr && + option_optional_reference.nr) + die(_("clone --recursive is not compatible with " + "both --reference and --reference-if-able")); + else if (option_required_reference.nr) { + string_list_append(&option_config, + "submodule.alternateLocation=superproject"); + string_list_append(&option_config, + "submodule.alternateErrorStrategy=die"); + } else if (option_optional_reference.nr) { + string_list_append(&option_config, + "submodule.alternateLocation=superproject"); + string_list_append(&option_config, + "submodule.alternateErrorStrategy=info"); + } + } + init_db(option_template, INIT_DB_QUIET); write_config(&option_config); @@ -977,7 +986,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix) git_config_set(key.buf, repo); strbuf_reset(&key); - if (option_reference.nr) + if (option_required_reference.nr || option_optional_reference.nr) setup_reference(); fetch_pattern = value.buf; diff --git a/builtin/commit-tree.c b/builtin/commit-tree.c index 8a674bc9e7..605017261c 100644 --- a/builtin/commit-tree.c +++ b/builtin/commit-tree.c @@ -40,8 +40,8 @@ int cmd_commit_tree(int argc, const char **argv, const char *prefix) { int i, got_tree = 0; struct commit_list *parents = NULL; - unsigned char tree_sha1[20]; - unsigned char commit_sha1[20]; + struct object_id tree_oid; + struct object_id commit_oid; struct strbuf buffer = STRBUF_INIT; git_config(commit_tree_config, NULL); @@ -52,13 +52,13 @@ int cmd_commit_tree(int argc, const char **argv, const char *prefix) for (i = 1; i < argc; i++) { const char *arg = argv[i]; if (!strcmp(arg, "-p")) { - unsigned char sha1[20]; + struct object_id oid; if (argc <= ++i) usage(commit_tree_usage); - if (get_sha1_commit(argv[i], sha1)) + if (get_sha1_commit(argv[i], oid.hash)) die("Not a valid object name %s", argv[i]); - assert_sha1_type(sha1, OBJ_COMMIT); - new_parent(lookup_commit(sha1), &parents); + assert_sha1_type(oid.hash, OBJ_COMMIT); + new_parent(lookup_commit(oid.hash), &parents); continue; } @@ -105,7 +105,7 @@ int cmd_commit_tree(int argc, const char **argv, const char *prefix) continue; } - if (get_sha1_tree(arg, tree_sha1)) + if (get_sha1_tree(arg, tree_oid.hash)) die("Not a valid object name %s", arg); if (got_tree) die("Cannot give more than one trees"); @@ -117,13 +117,13 @@ int cmd_commit_tree(int argc, const char **argv, const char *prefix) die_errno("git commit-tree: failed to read"); } - if (commit_tree(buffer.buf, buffer.len, tree_sha1, parents, - commit_sha1, NULL, sign_commit)) { + if (commit_tree(buffer.buf, buffer.len, tree_oid.hash, parents, + commit_oid.hash, NULL, sign_commit)) { strbuf_release(&buffer); return 1; } - printf("%s\n", sha1_to_hex(commit_sha1)); + printf("%s\n", oid_to_hex(&commit_oid)); strbuf_release(&buffer); return 0; } diff --git a/builtin/commit.c b/builtin/commit.c index 77e3dc8494..bb9f79b6ef 100644 --- a/builtin/commit.c +++ b/builtin/commit.c @@ -142,14 +142,24 @@ static int show_ignored_in_status, have_option_m; static const char *only_include_assumed; static struct strbuf message = STRBUF_INIT; -static enum status_format { - STATUS_FORMAT_NONE = 0, - STATUS_FORMAT_LONG, - STATUS_FORMAT_SHORT, - STATUS_FORMAT_PORCELAIN, +static enum wt_status_format status_format = STATUS_FORMAT_UNSPECIFIED; - STATUS_FORMAT_UNSPECIFIED -} status_format = STATUS_FORMAT_UNSPECIFIED; +static int opt_parse_porcelain(const struct option *opt, const char *arg, int unset) +{ + enum wt_status_format *value = (enum wt_status_format *)opt->value; + if (unset) + *value = STATUS_FORMAT_NONE; + else if (!arg) + *value = STATUS_FORMAT_PORCELAIN; + else if (!strcmp(arg, "v1") || !strcmp(arg, "1")) + *value = STATUS_FORMAT_PORCELAIN; + else if (!strcmp(arg, "v2") || !strcmp(arg, "2")) + *value = STATUS_FORMAT_PORCELAIN_V2; + else + die("unsupported porcelain version '%s'", arg); + + return 0; +} static int opt_parse_m(const struct option *opt, const char *arg, int unset) { @@ -500,24 +510,13 @@ static int run_status(FILE *fp, const char *index_file, const char *prefix, int s->fp = fp; s->nowarn = nowarn; s->is_initial = get_sha1(s->reference, sha1) ? 1 : 0; + if (!s->is_initial) + hashcpy(s->sha1_commit, sha1); + s->status_format = status_format; + s->ignore_submodule_arg = ignore_submodule_arg; wt_status_collect(s); - - switch (status_format) { - case STATUS_FORMAT_SHORT: - wt_shortstatus_print(s); - break; - case STATUS_FORMAT_PORCELAIN: - wt_porcelain_print(s); - break; - case STATUS_FORMAT_UNSPECIFIED: - die("BUG: finalize_deferred_config() should have been called"); - break; - case STATUS_FORMAT_NONE: - case STATUS_FORMAT_LONG: - wt_status_print(s); - break; - } + wt_status_print(s); return s->commitable; } @@ -1099,7 +1098,7 @@ static const char *read_commit_message(const char *name) * is not in effect here. */ static struct status_deferred_config { - enum status_format status_format; + enum wt_status_format status_format; int show_branch; } status_deferred_config = { STATUS_FORMAT_UNSPECIFIED, @@ -1109,6 +1108,7 @@ static struct status_deferred_config { static void finalize_deferred_config(struct wt_status *s) { int use_deferred_config = (status_format != STATUS_FORMAT_PORCELAIN && + status_format != STATUS_FORMAT_PORCELAIN_V2 && !s->null_termination); if (s->null_termination) { @@ -1336,9 +1336,9 @@ int cmd_status(int argc, const char **argv, const char *prefix) N_("show status concisely"), STATUS_FORMAT_SHORT), OPT_BOOL('b', "branch", &s.show_branch, N_("show branch information")), - OPT_SET_INT(0, "porcelain", &status_format, - N_("machine-readable output"), - STATUS_FORMAT_PORCELAIN), + { OPTION_CALLBACK, 0, "porcelain", &status_format, + N_("version"), N_("machine-readable output"), + PARSE_OPT_OPTARG, opt_parse_porcelain }, OPT_SET_INT(0, "long", &status_format, N_("show status in long format (default)"), STATUS_FORMAT_LONG), @@ -1380,7 +1380,13 @@ int cmd_status(int argc, const char **argv, const char *prefix) fd = hold_locked_index(&index_lock, 0); s.is_initial = get_sha1(s.reference, sha1) ? 1 : 0; + if (!s.is_initial) + hashcpy(s.sha1_commit, sha1); + s.ignore_submodule_arg = ignore_submodule_arg; + s.status_format = status_format; + s.verbose = verbose; + wt_status_collect(&s); if (0 <= fd) @@ -1389,23 +1395,7 @@ int cmd_status(int argc, const char **argv, const char *prefix) if (s.relative_paths) s.prefix = prefix; - switch (status_format) { - case STATUS_FORMAT_SHORT: - wt_shortstatus_print(&s); - break; - case STATUS_FORMAT_PORCELAIN: - wt_porcelain_print(&s); - break; - case STATUS_FORMAT_UNSPECIFIED: - die("BUG: finalize_deferred_config() should have been called"); - break; - case STATUS_FORMAT_NONE: - case STATUS_FORMAT_LONG: - s.verbose = verbose; - s.ignore_submodule_arg = ignore_submodule_arg; - wt_status_print(&s); - break; - } + wt_status_print(&s); return 0; } diff --git a/builtin/fsck.c b/builtin/fsck.c index 2de272ea36..055dfdcf9e 100644 --- a/builtin/fsck.c +++ b/builtin/fsck.c @@ -268,7 +268,7 @@ static void check_unreachable_object(struct object *obj) if (!(f = fopen(filename, "w"))) die_errno("Could not open '%s'", filename); if (obj->type == OBJ_BLOB) { - if (stream_blob_to_fd(fileno(f), obj->oid.hash, NULL, 1)) + if (stream_blob_to_fd(fileno(f), &obj->oid, NULL, 1)) die_errno("Could not write '%s'", filename); } else fprintf(f, "%s\n", describe_object(obj)); @@ -722,7 +722,7 @@ int cmd_fsck(int argc, const char **argv, const char *prefix) mode = active_cache[i]->ce_mode; if (S_ISGITLINK(mode)) continue; - blob = lookup_blob(active_cache[i]->sha1); + blob = lookup_blob(active_cache[i]->oid.hash); if (!blob) continue; obj = &blob->object; diff --git a/builtin/grep.c b/builtin/grep.c index ae738312aa..8887b6addb 100644 --- a/builtin/grep.c +++ b/builtin/grep.c @@ -398,7 +398,8 @@ static int grep_cache(struct grep_opt *opt, const struct pathspec *pathspec, int if (cached || (ce->ce_flags & CE_VALID) || ce_skip_worktree(ce)) { if (ce_stage(ce) || ce_intent_to_add(ce)) continue; - hit |= grep_sha1(opt, ce->sha1, ce->name, 0, ce->name); + hit |= grep_sha1(opt, ce->oid.hash, ce->name, 0, + ce->name); } else hit |= grep_file(opt, ce->name); diff --git a/builtin/help.c b/builtin/help.c index e8f79d7af5..49f7a07f85 100644 --- a/builtin/help.c +++ b/builtin/help.c @@ -37,8 +37,10 @@ static int show_all = 0; static int show_guides = 0; static unsigned int colopts; static enum help_format help_format = HELP_FORMAT_NONE; +static int exclude_guides; static struct option builtin_help_options[] = { OPT_BOOL('a', "all", &show_all, N_("print all available commands")), + OPT_HIDDEN_BOOL(0, "exclude-guides", &exclude_guides, N_("exclude guides")), OPT_BOOL('g', "guides", &show_guides, N_("print list of useful guides")), OPT_SET_INT('m', "man", &help_format, N_("show man page"), HELP_FORMAT_MAN), OPT_SET_INT('w', "web", &help_format, N_("show manual in web browser"), @@ -426,10 +428,29 @@ static void list_common_guides_help(void) putchar('\n'); } +static const char *check_git_cmd(const char* cmd) +{ + char *alias; + + if (is_git_command(cmd)) + return cmd; + + alias = alias_lookup(cmd); + if (alias) { + printf_ln(_("`git %s' is aliased to `%s'"), cmd, alias); + free(alias); + exit(0); + } + + if (exclude_guides) + return help_unknown_cmd(cmd); + + return cmd; +} + int cmd_help(int argc, const char **argv, const char *prefix) { int nongit; - char *alias; enum help_format parsed_help_format; argc = parse_options(argc, argv, prefix, builtin_help_options, @@ -469,12 +490,7 @@ int cmd_help(int argc, const char **argv, const char *prefix) if (help_format == HELP_FORMAT_NONE) help_format = parse_help_format(DEFAULT_HELP_FORMAT); - alias = alias_lookup(argv[0]); - if (alias && !is_git_command(argv[0])) { - printf_ln(_("`git %s' is aliased to `%s'"), argv[0], alias); - free(alias); - return 0; - } + argv[0] = check_git_cmd(argv[0]); switch (help_format) { case HELP_FORMAT_NONE: diff --git a/builtin/index-pack.c b/builtin/index-pack.c index 1d2ea583a4..4a8b4aebba 100644 --- a/builtin/index-pack.c +++ b/builtin/index-pack.c @@ -87,6 +87,7 @@ static struct progress *progress; static unsigned char input_buffer[4096]; static unsigned int input_offset, input_len; static off_t consumed_bytes; +static off_t max_input_size; static unsigned deepest_delta; static git_SHA_CTX input_ctx; static uint32_t input_crc32; @@ -297,6 +298,8 @@ static void use(int bytes) if (signed_add_overflows(consumed_bytes, bytes)) die(_("pack too large for current definition of off_t")); consumed_bytes += bytes; + if (max_input_size && consumed_bytes > max_input_size) + die(_("pack exceeds maximum allowed size")); } static const char *open_pack_file(const char *pack_name) @@ -1714,6 +1717,8 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix) opts.off32_limit = strtoul(c+1, &c, 0); if (*c || opts.off32_limit & 0x80000000) die(_("bad %s"), arg); + } else if (skip_prefix(arg, "--max-input-size=", &arg)) { + max_input_size = strtoumax(arg, NULL, 10); } else usage(index_pack_usage); continue; diff --git a/builtin/init-db.c b/builtin/init-db.c index 3a45f0bcfb..80192f65e4 100644 --- a/builtin/init-db.c +++ b/builtin/init-db.c @@ -180,13 +180,7 @@ static int create_default_files(const char *template_path) char junk[2]; int reinit; int filemode; - - /* - * Create .git/refs/{heads,tags} - */ - safe_create_dir(git_path_buf(&buf, "refs"), 1); - safe_create_dir(git_path_buf(&buf, "refs/heads"), 1); - safe_create_dir(git_path_buf(&buf, "refs/tags"), 1); + struct strbuf err = STRBUF_INIT; /* Just look for `init.templatedir` */ git_config(git_init_db_config, NULL); @@ -210,12 +204,19 @@ static int create_default_files(const char *template_path) */ if (get_shared_repository()) { adjust_shared_perm(get_git_dir()); - adjust_shared_perm(git_path_buf(&buf, "refs")); - adjust_shared_perm(git_path_buf(&buf, "refs/heads")); - adjust_shared_perm(git_path_buf(&buf, "refs/tags")); } /* + * We need to create a "refs" dir in any case so that older + * versions of git can tell that this is a repository. + */ + safe_create_dir(git_path("refs"), 1); + adjust_shared_perm(git_path("refs")); + + if (refs_init_db(&err)) + die("failed to set up refs db: %s", err.buf); + + /* * Create the default symlink from ".git/HEAD" to the "master" * branch, if it does not exist yet. */ diff --git a/builtin/log.c b/builtin/log.c index 92dc34dcb0..e6cab12018 100644 --- a/builtin/log.c +++ b/builtin/log.c @@ -464,9 +464,9 @@ static void show_tagger(char *buf, int len, struct rev_info *rev) strbuf_release(&out); } -static int show_blob_object(const unsigned char *sha1, struct rev_info *rev, const char *obj_name) +static int show_blob_object(const struct object_id *oid, struct rev_info *rev, const char *obj_name) { - unsigned char sha1c[20]; + struct object_id oidc; struct object_context obj_context; char *buf; unsigned long size; @@ -474,13 +474,13 @@ static int show_blob_object(const unsigned char *sha1, struct rev_info *rev, con fflush(rev->diffopt.file); if (!DIFF_OPT_TOUCHED(&rev->diffopt, ALLOW_TEXTCONV) || !DIFF_OPT_TST(&rev->diffopt, ALLOW_TEXTCONV)) - return stream_blob_to_fd(1, sha1, NULL, 0); + return stream_blob_to_fd(1, oid, NULL, 0); - if (get_sha1_with_context(obj_name, 0, sha1c, &obj_context)) + if (get_sha1_with_context(obj_name, 0, oidc.hash, &obj_context)) die(_("Not a valid object name %s"), obj_name); if (!obj_context.path[0] || - !textconv_object(obj_context.path, obj_context.mode, sha1c, 1, &buf, &size)) - return stream_blob_to_fd(1, sha1, NULL, 0); + !textconv_object(obj_context.path, obj_context.mode, &oidc, 1, &buf, &size)) + return stream_blob_to_fd(1, oid, NULL, 0); if (!buf) die(_("git show %s: bad file"), obj_name); @@ -489,15 +489,15 @@ static int show_blob_object(const unsigned char *sha1, struct rev_info *rev, con return 0; } -static int show_tag_object(const unsigned char *sha1, struct rev_info *rev) +static int show_tag_object(const struct object_id *oid, struct rev_info *rev) { unsigned long size; enum object_type type; - char *buf = read_sha1_file(sha1, &type, &size); + char *buf = read_sha1_file(oid->hash, &type, &size); int offset = 0; if (!buf) - return error(_("Could not read object %s"), sha1_to_hex(sha1)); + return error(_("Could not read object %s"), oid_to_hex(oid)); assert(type == OBJ_TAG); while (offset < size && buf[offset] != '\n') { @@ -574,7 +574,7 @@ int cmd_show(int argc, const char **argv, const char *prefix) const char *name = objects[i].name; switch (o->type) { case OBJ_BLOB: - ret = show_blob_object(o->oid.hash, &rev, name); + ret = show_blob_object(&o->oid, &rev, name); break; case OBJ_TAG: { struct tag *t = (struct tag *)o; @@ -585,7 +585,7 @@ int cmd_show(int argc, const char **argv, const char *prefix) diff_get_color_opt(&rev.diffopt, DIFF_COMMIT), t->tag, diff_get_color_opt(&rev.diffopt, DIFF_RESET)); - ret = show_tag_object(o->oid.hash, &rev); + ret = show_tag_object(&o->oid, &rev); rev.shown_one = 1; if (ret) break; @@ -1248,11 +1248,11 @@ static struct commit *get_base_commit(const char *base_commit, if (upstream) { struct commit_list *base_list; struct commit *commit; - unsigned char sha1[20]; + struct object_id oid; - if (get_sha1(upstream, sha1)) + if (get_oid(upstream, &oid)) die(_("Failed to resolve '%s' as a valid ref."), upstream); - commit = lookup_commit_or_die(sha1, "upstream base"); + commit = lookup_commit_or_die(oid.hash, "upstream base"); base_list = get_merge_bases_many(commit, total, list); /* There should be one and only one merge base. */ if (!base_list || base_list->next) @@ -1339,15 +1339,15 @@ static void prepare_bases(struct base_tree_info *bases, * and stuff them in bases structure. */ while ((commit = get_revision(&revs)) != NULL) { - unsigned char sha1[20]; + struct object_id oid; struct object_id *patch_id; if (commit->util) continue; - if (commit_patch_id(commit, &diffopt, sha1, 0)) + if (commit_patch_id(commit, &diffopt, oid.hash, 0)) die(_("cannot get patch id")); ALLOC_GROW(bases->patch_id, bases->nr_patch_id + 1, bases->alloc_patch_id); patch_id = bases->patch_id + bases->nr_patch_id; - hashcpy(patch_id->hash, sha1); + oidcpy(patch_id, &oid); bases->nr_patch_id++; } } @@ -1628,10 +1628,10 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) check_head = 1; if (check_head) { - unsigned char sha1[20]; + struct object_id oid; const char *ref, *v; ref = resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, - sha1, NULL); + oid.hash, NULL); if (ref && skip_prefix(ref, "refs/heads/", &v)) branch_name = xstrdup(v); else @@ -1676,16 +1676,16 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) /* nothing to do */ return 0; total = nr; - if (!keep_subject && auto_number && total > 1) - numbered = 1; - if (numbered) - rev.total = total + start_number - 1; if (cover_letter == -1) { if (config_cover_letter == COVER_AUTO) cover_letter = (total > 1); else cover_letter = (config_cover_letter == COVER_ON); } + if (!keep_subject && auto_number && (total > 1 || cover_letter)) + numbered = 1; + if (numbered) + rev.total = total + start_number - 1; if (!signature) { ; /* --no-signature inhibits all signatures */ @@ -1802,9 +1802,9 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) static int add_pending_commit(const char *arg, struct rev_info *revs, int flags) { - unsigned char sha1[20]; - if (get_sha1(arg, sha1) == 0) { - struct commit *commit = lookup_commit_reference(sha1); + struct object_id oid; + if (get_oid(arg, &oid) == 0) { + struct commit *commit = lookup_commit_reference(oid.hash); if (commit) { commit->object.flags |= flags; add_pending_object(revs, &commit->object, arg); diff --git a/builtin/ls-files.c b/builtin/ls-files.c index 00ea91aae6..197f153f50 100644 --- a/builtin/ls-files.c +++ b/builtin/ls-files.c @@ -187,7 +187,7 @@ static void show_ce_entry(const char *tag, const struct cache_entry *ce) printf("%s%06o %s %d\t", tag, ce->ce_mode, - find_unique_abbrev(ce->sha1,abbrev), + find_unique_abbrev(ce->oid.hash,abbrev), ce_stage(ce)); } write_eolinfo(ce, ce->name); diff --git a/builtin/merge-index.c b/builtin/merge-index.c index 1c3427c36c..ce356b1da1 100644 --- a/builtin/merge-index.c +++ b/builtin/merge-index.c @@ -22,7 +22,7 @@ static int merge_entry(int pos, const char *path) if (strcmp(ce->name, path)) break; found++; - sha1_to_hex_r(hexbuf[stage], ce->sha1); + sha1_to_hex_r(hexbuf[stage], ce->oid.hash); xsnprintf(ownbuf[stage], sizeof(ownbuf[stage]), "%o", ce->ce_mode); arguments[stage] = hexbuf[stage]; arguments[stage + 4] = ownbuf[stage]; diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c index 4a63398960..0954375be9 100644 --- a/builtin/pack-objects.c +++ b/builtin/pack-objects.c @@ -2123,6 +2123,35 @@ static void ll_find_deltas(struct object_entry **list, unsigned list_size, #define ll_find_deltas(l, s, w, d, p) find_deltas(l, &s, w, d, p) #endif +static void add_tag_chain(const struct object_id *oid) +{ + struct tag *tag; + + /* + * We catch duplicates already in add_object_entry(), but we'd + * prefer to do this extra check to avoid having to parse the + * tag at all if we already know that it's being packed (e.g., if + * it was included via bitmaps, we would not have parsed it + * previously). + */ + if (packlist_find(&to_pack, oid->hash, NULL)) + return; + + tag = lookup_tag(oid->hash); + while (1) { + if (!tag || parse_tag(tag) || !tag->tagged) + die("unable to pack objects reachable from tag %s", + oid_to_hex(oid)); + + add_object_entry(tag->object.oid.hash, OBJ_TAG, NULL, 0); + + if (tag->tagged->type != OBJ_TAG) + return; + + tag = (struct tag *)tag->tagged; + } +} + static int add_ref_tag(const char *path, const struct object_id *oid, int flag, void *cb_data) { struct object_id peeled; @@ -2130,7 +2159,7 @@ static int add_ref_tag(const char *path, const struct object_id *oid, int flag, if (starts_with(path, "refs/tags/") && /* is a tag? */ !peel_ref(path, peeled.hash) && /* peelable? */ packlist_find(&to_pack, peeled.hash, NULL)) /* object packed? */ - add_object_entry(oid->hash, OBJ_TAG, NULL, 0); + add_tag_chain(oid); return 0; } diff --git a/builtin/read-tree.c b/builtin/read-tree.c index 8c693e7568..9bd1fd755e 100644 --- a/builtin/read-tree.c +++ b/builtin/read-tree.c @@ -78,7 +78,7 @@ static void debug_stage(const char *label, const struct cache_entry *ce, else printf("%06o #%d %s %.8s\n", ce->ce_mode, ce_stage(ce), ce->name, - sha1_to_hex(ce->sha1)); + oid_to_hex(&ce->oid)); } static int debug_merge(const struct cache_entry * const *stages, diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c index 011db00d31..f1ce05ce28 100644 --- a/builtin/receive-pack.c +++ b/builtin/receive-pack.c @@ -46,6 +46,7 @@ static int transfer_unpack_limit = -1; static int advertise_atomic_push = 1; static int advertise_push_options; static int unpack_limit = 100; +static off_t max_input_size; static int report_status; static int use_sideband; static int use_atomic; @@ -212,6 +213,11 @@ static int receive_pack_config(const char *var, const char *value, void *cb) return 0; } + if (strcmp(var, "receive.maxinputsize") == 0) { + max_input_size = git_config_int64(var, value); + return 0; + } + return git_default_config(var, value, cb); } @@ -1648,6 +1654,9 @@ static const char *unpack(int err_fd, struct shallow_info *si) if (fsck_objects) argv_array_pushf(&child.args, "--strict%s", fsck_msg_types.buf); + if (max_input_size) + argv_array_pushf(&child.args, "--max-input-size=%"PRIuMAX, + (uintmax_t)max_input_size); child.no_stdout = 1; child.err = err_fd; child.git_cmd = 1; @@ -1676,6 +1685,9 @@ static const char *unpack(int err_fd, struct shallow_info *si) fsck_msg_types.buf); if (!reject_thin) argv_array_push(&child.args, "--fix-thin"); + if (max_input_size) + argv_array_pushf(&child.args, "--max-input-size=%"PRIuMAX, + (uintmax_t)max_input_size); child.out = -1; child.err = err_fd; child.git_cmd = 1; diff --git a/builtin/reset.c b/builtin/reset.c index 9020ec66c8..5aa86079d3 100644 --- a/builtin/reset.c +++ b/builtin/reset.c @@ -39,7 +39,7 @@ static inline int is_merge(void) return !access(git_path_merge_head(), F_OK); } -static int reset_index(const unsigned char *sha1, int reset_type, int quiet) +static int reset_index(const struct object_id *oid, int reset_type, int quiet) { int nr = 1; struct tree_desc desc[2]; @@ -69,22 +69,22 @@ static int reset_index(const unsigned char *sha1, int reset_type, int quiet) read_cache_unmerged(); if (reset_type == KEEP) { - unsigned char head_sha1[20]; - if (get_sha1("HEAD", head_sha1)) + struct object_id head_oid; + if (get_oid("HEAD", &head_oid)) return error(_("You do not have a valid HEAD.")); - if (!fill_tree_descriptor(desc, head_sha1)) + if (!fill_tree_descriptor(desc, head_oid.hash)) return error(_("Failed to find tree of HEAD.")); nr++; opts.fn = twoway_merge; } - if (!fill_tree_descriptor(desc + nr - 1, sha1)) - return error(_("Failed to find tree of %s."), sha1_to_hex(sha1)); + if (!fill_tree_descriptor(desc + nr - 1, oid->hash)) + return error(_("Failed to find tree of %s."), oid_to_hex(oid)); if (unpack_trees(nr, desc, &opts)) return -1; if (reset_type == MIXED || reset_type == HARD) { - tree = parse_tree_indirect(sha1); + tree = parse_tree_indirect(oid->hash); prime_cache_tree(&the_index, tree); } @@ -143,7 +143,7 @@ static void update_index_from_diff(struct diff_queue_struct *q, } static int read_from_tree(const struct pathspec *pathspec, - unsigned char *tree_sha1, + struct object_id *tree_oid, int intent_to_add) { struct diff_options opt; @@ -154,7 +154,7 @@ static int read_from_tree(const struct pathspec *pathspec, opt.format_callback = update_index_from_diff; opt.format_callback_data = &intent_to_add; - if (do_diff_cache(tree_sha1, &opt)) + if (do_diff_cache(tree_oid->hash, &opt)) return 1; diffcore_std(&opt); diff_flush(&opt); @@ -191,7 +191,7 @@ static void parse_args(struct pathspec *pathspec, const char **rev_ret) { const char *rev = "HEAD"; - unsigned char unused[20]; + struct object_id unused; /* * Possible arguments are: * @@ -216,8 +216,8 @@ static void parse_args(struct pathspec *pathspec, * has to be unambiguous. If there is a single argument, it * can not be a tree */ - else if ((!argv[1] && !get_sha1_committish(argv[0], unused)) || - (argv[1] && !get_sha1_treeish(argv[0], unused))) { + else if ((!argv[1] && !get_sha1_committish(argv[0], unused.hash)) || + (argv[1] && !get_sha1_treeish(argv[0], unused.hash))) { /* * Ok, argv[0] looks like a commit/tree; it should not * be a filename. @@ -241,24 +241,24 @@ static void parse_args(struct pathspec *pathspec, prefix, argv); } -static int reset_refs(const char *rev, const unsigned char *sha1) +static int reset_refs(const char *rev, const struct object_id *oid) { int update_ref_status; struct strbuf msg = STRBUF_INIT; - unsigned char *orig = NULL, sha1_orig[20], - *old_orig = NULL, sha1_old_orig[20]; + struct object_id *orig = NULL, oid_orig, + *old_orig = NULL, oid_old_orig; - if (!get_sha1("ORIG_HEAD", sha1_old_orig)) - old_orig = sha1_old_orig; - if (!get_sha1("HEAD", sha1_orig)) { - orig = sha1_orig; + if (!get_oid("ORIG_HEAD", &oid_old_orig)) + old_orig = &oid_old_orig; + if (!get_oid("HEAD", &oid_orig)) { + orig = &oid_orig; set_reflog_message(&msg, "updating ORIG_HEAD", NULL); - update_ref(msg.buf, "ORIG_HEAD", orig, old_orig, 0, + update_ref_oid(msg.buf, "ORIG_HEAD", orig, old_orig, 0, UPDATE_REFS_MSG_ON_ERR); } else if (old_orig) - delete_ref("ORIG_HEAD", old_orig, 0); + delete_ref("ORIG_HEAD", old_orig->hash, 0); set_reflog_message(&msg, "updating HEAD", rev); - update_ref_status = update_ref(msg.buf, "HEAD", sha1, orig, 0, + update_ref_status = update_ref_oid(msg.buf, "HEAD", oid, orig, 0, UPDATE_REFS_MSG_ON_ERR); strbuf_release(&msg); return update_ref_status; @@ -357,15 +357,15 @@ int cmd_reset(int argc, const char **argv, const char *prefix) hold_locked_index(lock, 1); if (reset_type == MIXED) { int flags = quiet ? REFRESH_QUIET : REFRESH_IN_PORCELAIN; - if (read_from_tree(&pathspec, oid.hash, intent_to_add)) + if (read_from_tree(&pathspec, &oid, intent_to_add)) return 1; if (get_git_work_tree()) refresh_index(&the_index, flags, NULL, NULL, _("Unstaged changes after reset:")); } else { - int err = reset_index(oid.hash, reset_type, quiet); + int err = reset_index(&oid, reset_type, quiet); if (reset_type == KEEP && !err) - err = reset_index(oid.hash, MIXED, quiet); + err = reset_index(&oid, MIXED, quiet); if (err) die(_("Could not reset index file to revision '%s'."), rev); } @@ -377,7 +377,7 @@ int cmd_reset(int argc, const char **argv, const char *prefix) if (!pathspec.nr && !unborn) { /* Any resets without paths update HEAD to the head being * switched to, saving the previous head in ORIG_HEAD before. */ - update_ref_status = reset_refs(rev, oid.hash); + update_ref_status = reset_refs(rev, &oid); if (reset_type == HARD && !update_ref_status && !quiet) print_new_head_line(lookup_commit_reference(oid.hash)); diff --git a/builtin/rev-list.c b/builtin/rev-list.c index 0ba82b1635..8479f6ed28 100644 --- a/builtin/rev-list.c +++ b/builtin/rev-list.c @@ -122,48 +122,40 @@ static void show_commit(struct commit *commit, void *data) ctx.fmt = revs->commit_format; ctx.output_encoding = get_log_output_encoding(); pretty_print_commit(&ctx, commit, &buf); - if (revs->graph) { - if (buf.len) { - if (revs->commit_format != CMIT_FMT_ONELINE) - graph_show_oneline(revs->graph); - - graph_show_commit_msg(revs->graph, &buf); - - /* - * Add a newline after the commit message. - * - * Usually, this newline produces a blank - * padding line between entries, in which case - * we need to add graph padding on this line. - * - * However, the commit message may not end in a - * newline. In this case the newline simply - * ends the last line of the commit message, - * and we don't need any graph output. (This - * always happens with CMIT_FMT_ONELINE, and it - * happens with CMIT_FMT_USERFORMAT when the - * format doesn't explicitly end in a newline.) - */ - if (buf.len && buf.buf[buf.len - 1] == '\n') - graph_show_padding(revs->graph); - putchar('\n'); - } else { - /* - * If the message buffer is empty, just show - * the rest of the graph output for this - * commit. - */ - if (graph_show_remainder(revs->graph)) - putchar('\n'); - if (revs->commit_format == CMIT_FMT_ONELINE) - putchar('\n'); - } + if (buf.len) { + if (revs->commit_format != CMIT_FMT_ONELINE) + graph_show_oneline(revs->graph); + + graph_show_commit_msg(revs->graph, stdout, &buf); + + /* + * Add a newline after the commit message. + * + * Usually, this newline produces a blank + * padding line between entries, in which case + * we need to add graph padding on this line. + * + * However, the commit message may not end in a + * newline. In this case the newline simply + * ends the last line of the commit message, + * and we don't need any graph output. (This + * always happens with CMIT_FMT_ONELINE, and it + * happens with CMIT_FMT_USERFORMAT when the + * format doesn't explicitly end in a newline.) + */ + if (buf.len && buf.buf[buf.len - 1] == '\n') + graph_show_padding(revs->graph); + putchar('\n'); } else { - if (revs->commit_format != CMIT_FMT_USERFORMAT || - buf.len) { - fwrite(buf.buf, 1, buf.len, stdout); - putchar(info->hdr_termination); - } + /* + * If the message buffer is empty, just show + * the rest of the graph output for this + * commit. + */ + if (graph_show_remainder(revs->graph)) + putchar('\n'); + if (revs->commit_format == CMIT_FMT_ONELINE) + putchar('\n'); } strbuf_release(&buf); } else { diff --git a/builtin/rm.c b/builtin/rm.c index b2fee3e90a..3f3e24eb36 100644 --- a/builtin/rm.c +++ b/builtin/rm.c @@ -107,7 +107,7 @@ static int check_submodules_use_gitfiles(void) return errs; } -static int check_local_mod(unsigned char *head, int index_only) +static int check_local_mod(struct object_id *head, int index_only) { /* * Items in list are already sorted in the cache order, @@ -123,13 +123,13 @@ static int check_local_mod(unsigned char *head, int index_only) struct string_list files_submodule = STRING_LIST_INIT_NODUP; struct string_list files_local = STRING_LIST_INIT_NODUP; - no_head = is_null_sha1(head); + no_head = is_null_oid(head); for (i = 0; i < list.nr; i++) { struct stat st; int pos; const struct cache_entry *ce; const char *name = list.entry[i].name; - unsigned char sha1[20]; + struct object_id oid; unsigned mode; int local_changes = 0; int staged_changes = 0; @@ -197,9 +197,9 @@ static int check_local_mod(unsigned char *head, int index_only) * way as changed from the HEAD. */ if (no_head - || get_tree_entry(head, name, sha1, &mode) + || get_tree_entry(head->hash, name, oid.hash, &mode) || ce->ce_mode != create_ce_mode(mode) - || hashcmp(ce->sha1, sha1)) + || oidcmp(&ce->oid, &oid)) staged_changes = 1; /* @@ -351,10 +351,10 @@ int cmd_rm(int argc, const char **argv, const char *prefix) * report no changes unless forced. */ if (!force) { - unsigned char sha1[20]; - if (get_sha1("HEAD", sha1)) - hashclr(sha1); - if (check_local_mod(sha1, index_only)) + struct object_id oid; + if (get_oid("HEAD", &oid)) + oidclr(&oid); + if (check_local_mod(&oid, index_only)) exit(1); } else if (!index_only) { if (check_submodules_use_gitfiles()) diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c index e79790f0bd..7b8ddfe6cf 100644 --- a/builtin/submodule--helper.c +++ b/builtin/submodule--helper.c @@ -296,7 +296,8 @@ static int module_list(int argc, const char **argv, const char *prefix) if (ce_stage(ce)) printf("%06o %s U\t", ce->ce_mode, sha1_to_hex(null_sha1)); else - printf("%06o %s %d\t", ce->ce_mode, sha1_to_hex(ce->sha1), ce_stage(ce)); + printf("%06o %s %d\t", ce->ce_mode, + oid_to_hex(&ce->oid), ce_stage(ce)); utf8_fprintf(stdout, "%s\n", ce->name); } @@ -442,7 +443,7 @@ static int module_name(int argc, const char **argv, const char *prefix) } static int clone_submodule(const char *path, const char *gitdir, const char *url, - const char *depth, const char *reference, int quiet) + const char *depth, struct string_list *reference, int quiet) { struct child_process cp = CHILD_PROCESS_INIT; @@ -452,8 +453,12 @@ static int clone_submodule(const char *path, const char *gitdir, const char *url argv_array_push(&cp.args, "--quiet"); if (depth && *depth) argv_array_pushl(&cp.args, "--depth", depth, NULL); - if (reference && *reference) - argv_array_pushl(&cp.args, "--reference", reference, NULL); + if (reference->nr) { + struct string_list_item *item; + for_each_string_list_item(item, reference) + argv_array_pushl(&cp.args, "--reference", + item->string, NULL); + } if (gitdir && *gitdir) argv_array_pushl(&cp.args, "--separate-git-dir", gitdir, NULL); @@ -467,15 +472,114 @@ static int clone_submodule(const char *path, const char *gitdir, const char *url return run_command(&cp); } +struct submodule_alternate_setup { + const char *submodule_name; + enum SUBMODULE_ALTERNATE_ERROR_MODE { + SUBMODULE_ALTERNATE_ERROR_DIE, + SUBMODULE_ALTERNATE_ERROR_INFO, + SUBMODULE_ALTERNATE_ERROR_IGNORE + } error_mode; + struct string_list *reference; +}; +#define SUBMODULE_ALTERNATE_SETUP_INIT { NULL, \ + SUBMODULE_ALTERNATE_ERROR_IGNORE, NULL } + +static int add_possible_reference_from_superproject( + struct alternate_object_database *alt, void *sas_cb) +{ + struct submodule_alternate_setup *sas = sas_cb; + + /* directory name, minus trailing slash */ + size_t namelen = alt->name - alt->base - 1; + struct strbuf name = STRBUF_INIT; + strbuf_add(&name, alt->base, namelen); + + /* + * If the alternate object store is another repository, try the + * standard layout with .git/modules/<name>/objects + */ + if (ends_with(name.buf, ".git/objects")) { + char *sm_alternate; + struct strbuf sb = STRBUF_INIT; + struct strbuf err = STRBUF_INIT; + strbuf_add(&sb, name.buf, name.len - strlen("objects")); + /* + * We need to end the new path with '/' to mark it as a dir, + * otherwise a submodule name containing '/' will be broken + * as the last part of a missing submodule reference would + * be taken as a file name. + */ + strbuf_addf(&sb, "modules/%s/", sas->submodule_name); + + sm_alternate = compute_alternate_path(sb.buf, &err); + if (sm_alternate) { + string_list_append(sas->reference, xstrdup(sb.buf)); + free(sm_alternate); + } else { + switch (sas->error_mode) { + case SUBMODULE_ALTERNATE_ERROR_DIE: + die(_("submodule '%s' cannot add alternate: %s"), + sas->submodule_name, err.buf); + case SUBMODULE_ALTERNATE_ERROR_INFO: + fprintf(stderr, _("submodule '%s' cannot add alternate: %s"), + sas->submodule_name, err.buf); + case SUBMODULE_ALTERNATE_ERROR_IGNORE: + ; /* nothing */ + } + } + strbuf_release(&sb); + } + + strbuf_release(&name); + return 0; +} + +static void prepare_possible_alternates(const char *sm_name, + struct string_list *reference) +{ + char *sm_alternate = NULL, *error_strategy = NULL; + struct submodule_alternate_setup sas = SUBMODULE_ALTERNATE_SETUP_INIT; + + git_config_get_string("submodule.alternateLocation", &sm_alternate); + if (!sm_alternate) + return; + + git_config_get_string("submodule.alternateErrorStrategy", &error_strategy); + + if (!error_strategy) + error_strategy = xstrdup("die"); + + sas.submodule_name = sm_name; + sas.reference = reference; + if (!strcmp(error_strategy, "die")) + sas.error_mode = SUBMODULE_ALTERNATE_ERROR_DIE; + else if (!strcmp(error_strategy, "info")) + sas.error_mode = SUBMODULE_ALTERNATE_ERROR_INFO; + else if (!strcmp(error_strategy, "ignore")) + sas.error_mode = SUBMODULE_ALTERNATE_ERROR_IGNORE; + else + die(_("Value '%s' for submodule.alternateErrorStrategy is not recognized"), error_strategy); + + if (!strcmp(sm_alternate, "superproject")) + foreach_alt_odb(add_possible_reference_from_superproject, &sas); + else if (!strcmp(sm_alternate, "no")) + ; /* do nothing */ + else + die(_("Value '%s' for submodule.alternateLocation is not recognized"), sm_alternate); + + free(sm_alternate); + free(error_strategy); +} + static int module_clone(int argc, const char **argv, const char *prefix) { - const char *name = NULL, *url = NULL; - const char *reference = NULL, *depth = NULL; + const char *name = NULL, *url = NULL, *depth = NULL; int quiet = 0; FILE *submodule_dot_git; char *p, *path = NULL, *sm_gitdir; struct strbuf rel_path = STRBUF_INIT; struct strbuf sb = STRBUF_INIT; + struct string_list reference = STRING_LIST_INIT_NODUP; struct option module_clone_options[] = { OPT_STRING(0, "prefix", &prefix, @@ -490,8 +594,8 @@ static int module_clone(int argc, const char **argv, const char *prefix) OPT_STRING(0, "url", &url, N_("string"), N_("url where to clone the submodule from")), - OPT_STRING(0, "reference", &reference, - N_("string"), + OPT_STRING_LIST(0, "reference", &reference, + N_("repo"), N_("reference repository")), OPT_STRING(0, "depth", &depth, N_("string"), @@ -527,7 +631,10 @@ static int module_clone(int argc, const char **argv, const char *prefix) if (!file_exists(sm_gitdir)) { if (safe_create_leading_directories_const(sm_gitdir) < 0) die(_("could not create directory '%s'"), sm_gitdir); - if (clone_submodule(path, sm_gitdir, url, depth, reference, quiet)) + + prepare_possible_alternates(name, &reference); + + if (clone_submodule(path, sm_gitdir, url, depth, &reference, quiet)) die(_("clone of '%s' into submodule path '%s' failed"), url, path); } else { @@ -579,7 +686,7 @@ struct submodule_update_clone { /* configuration parameters which are passed on to the children */ int quiet; int recommend_shallow; - const char *reference; + struct string_list references; const char *depth; const char *recursive_prefix; const char *prefix; @@ -595,7 +702,8 @@ struct submodule_update_clone { int failed_clones_nr, failed_clones_alloc; }; #define SUBMODULE_UPDATE_CLONE_INIT {0, MODULE_LIST_INIT, 0, \ - SUBMODULE_UPDATE_STRATEGY_INIT, 0, -1, NULL, NULL, NULL, NULL, \ + SUBMODULE_UPDATE_STRATEGY_INIT, 0, -1, STRING_LIST_INIT_DUP, \ + NULL, NULL, NULL, \ STRING_LIST_INIT_DUP, 0, NULL, 0, 0} @@ -683,7 +791,7 @@ static int prepare_to_clone_next_submodule(const struct cache_entry *ce, strbuf_reset(&sb); strbuf_addf(&sb, "%06o %s %d %d\t%s\n", ce->ce_mode, - sha1_to_hex(ce->sha1), ce_stage(ce), + oid_to_hex(&ce->oid), ce_stage(ce), needs_cloning, ce->name); string_list_append(&suc->projectlines, sb.buf); @@ -705,8 +813,11 @@ static int prepare_to_clone_next_submodule(const struct cache_entry *ce, argv_array_pushl(&child->args, "--path", sub->path, NULL); argv_array_pushl(&child->args, "--name", sub->name, NULL); argv_array_pushl(&child->args, "--url", url, NULL); - if (suc->reference) - argv_array_push(&child->args, suc->reference); + if (suc->references.nr) { + struct string_list_item *item; + for_each_string_list_item(item, &suc->references) + argv_array_pushl(&child->args, "--reference", item->string, NULL); + } if (suc->depth) argv_array_push(&child->args, suc->depth); @@ -829,7 +940,7 @@ static int update_clone(int argc, const char **argv, const char *prefix) OPT_STRING(0, "update", &update, N_("string"), N_("rebase, merge, checkout or none")), - OPT_STRING(0, "reference", &suc.reference, N_("repo"), + OPT_STRING_LIST(0, "reference", &suc.references, N_("repo"), N_("reference repository")), OPT_STRING(0, "depth", &suc.depth, "<depth>", N_("Create a shallow clone truncated to the " diff --git a/builtin/unpack-objects.c b/builtin/unpack-objects.c index 172470bf24..4532aa0831 100644 --- a/builtin/unpack-objects.c +++ b/builtin/unpack-objects.c @@ -19,6 +19,7 @@ static const char unpack_usage[] = "git unpack-objects [-n] [-q] [-r] [--strict] static unsigned char buffer[4096]; static unsigned int offset, len; static off_t consumed_bytes; +static off_t max_input_size; static git_SHA_CTX ctx; static struct fsck_options fsck_options = FSCK_OPTIONS_STRICT; @@ -87,6 +88,8 @@ static void use(int bytes) if (signed_add_overflows(consumed_bytes, bytes)) die("pack too large for current definition of off_t"); consumed_bytes += bytes; + if (max_input_size && consumed_bytes > max_input_size) + die(_("pack exceeds maximum allowed size")); } static void *get_data(unsigned long size) @@ -550,6 +553,10 @@ int cmd_unpack_objects(int argc, const char **argv, const char *prefix) len = sizeof(*hdr); continue; } + if (skip_prefix(arg, "--max-input-size=", &arg)) { + max_input_size = strtoumax(arg, NULL, 10); + continue; + } usage(unpack_usage); } diff --git a/builtin/update-index.c b/builtin/update-index.c index ba04b197d8..44fb2e4fd0 100644 --- a/builtin/update-index.c +++ b/builtin/update-index.c @@ -275,7 +275,7 @@ static int add_one_path(const struct cache_entry *old, const char *path, int len fill_stat_cache_info(ce, st); ce->ce_mode = ce_mode_from_stat(old, st->st_mode); - if (index_path(ce->sha1, path, st, + if (index_path(ce->oid.hash, path, st, info_only ? 0 : HASH_WRITE_OBJECT)) { free(ce); return -1; @@ -312,7 +312,7 @@ static int add_one_path(const struct cache_entry *old, const char *path, int len */ static int process_directory(const char *path, int len, struct stat *st) { - unsigned char sha1[20]; + struct object_id oid; int pos = cache_name_pos(path, len); /* Exact match: file or existing gitlink */ @@ -321,7 +321,7 @@ static int process_directory(const char *path, int len, struct stat *st) if (S_ISGITLINK(ce->ce_mode)) { /* Do nothing to the index if there is no HEAD! */ - if (resolve_gitlink_ref(path, "HEAD", sha1) < 0) + if (resolve_gitlink_ref(path, "HEAD", oid.hash) < 0) return 0; return add_one_path(ce, path, len, st); @@ -347,7 +347,7 @@ static int process_directory(const char *path, int len, struct stat *st) } /* No match - should we add it as a gitlink? */ - if (!resolve_gitlink_ref(path, "HEAD", sha1)) + if (!resolve_gitlink_ref(path, "HEAD", oid.hash)) return add_one_path(NULL, path, len, st); /* Error out. */ @@ -390,7 +390,7 @@ static int process_path(const char *path) return add_one_path(ce, path, len, &st); } -static int add_cacheinfo(unsigned int mode, const unsigned char *sha1, +static int add_cacheinfo(unsigned int mode, const struct object_id *oid, const char *path, int stage) { int size, len, option; @@ -403,7 +403,7 @@ static int add_cacheinfo(unsigned int mode, const unsigned char *sha1, size = cache_entry_size(len); ce = xcalloc(1, size); - hashcpy(ce->sha1, sha1); + oidcpy(&ce->oid, oid); memcpy(ce->name, path, len); ce->ce_flags = create_ce_flags(stage); ce->ce_namelen = len; @@ -487,7 +487,7 @@ static void read_index_info(int nul_term_line) while (getline_fn(&buf, stdin) != EOF) { char *ptr, *tab; char *path_name; - unsigned char sha1[20]; + struct object_id oid; unsigned int mode; unsigned long ul; int stage; @@ -516,7 +516,7 @@ static void read_index_info(int nul_term_line) mode = ul; tab = strchr(ptr, '\t'); - if (!tab || tab - ptr < 41) + if (!tab || tab - ptr < GIT_SHA1_HEXSZ + 1) goto bad_line; if (tab[-2] == ' ' && '0' <= tab[-1] && tab[-1] <= '3') { @@ -529,7 +529,8 @@ static void read_index_info(int nul_term_line) ptr = tab + 1; /* point at the head of path */ } - if (get_sha1_hex(tab - 40, sha1) || tab[-41] != ' ') + if (get_oid_hex(tab - GIT_SHA1_HEXSZ, &oid) || + tab[-(GIT_SHA1_HEXSZ + 1)] != ' ') goto bad_line; path_name = ptr; @@ -557,8 +558,8 @@ static void read_index_info(int nul_term_line) * ptr[-1] points at tab, * ptr[-41] is at the beginning of sha1 */ - ptr[-42] = ptr[-1] = 0; - if (add_cacheinfo(mode, sha1, path_name, stage)) + ptr[-(GIT_SHA1_HEXSZ + 2)] = ptr[-1] = 0; + if (add_cacheinfo(mode, &oid, path_name, stage)) die("git update-index: unable to update %s", path_name); } @@ -576,19 +577,19 @@ static const char * const update_index_usage[] = { NULL }; -static unsigned char head_sha1[20]; -static unsigned char merge_head_sha1[20]; +static struct object_id head_oid; +static struct object_id merge_head_oid; static struct cache_entry *read_one_ent(const char *which, - unsigned char *ent, const char *path, + struct object_id *ent, const char *path, int namelen, int stage) { unsigned mode; - unsigned char sha1[20]; + struct object_id oid; int size; struct cache_entry *ce; - if (get_tree_entry(ent, path, sha1, &mode)) { + if (get_tree_entry(ent->hash, path, oid.hash, &mode)) { if (which) error("%s: not in %s branch.", path, which); return NULL; @@ -601,7 +602,7 @@ static struct cache_entry *read_one_ent(const char *which, size = cache_entry_size(namelen); ce = xcalloc(1, size); - hashcpy(ce->sha1, sha1); + oidcpy(&ce->oid, &oid); memcpy(ce->name, path, namelen); ce->ce_flags = create_ce_flags(stage); ce->ce_namelen = namelen; @@ -651,14 +652,14 @@ static int unresolve_one(const char *path) * stuff HEAD version in stage #2, * stuff MERGE_HEAD version in stage #3. */ - ce_2 = read_one_ent("our", head_sha1, path, namelen, 2); - ce_3 = read_one_ent("their", merge_head_sha1, path, namelen, 3); + ce_2 = read_one_ent("our", &head_oid, path, namelen, 2); + ce_3 = read_one_ent("their", &merge_head_oid, path, namelen, 3); if (!ce_2 || !ce_3) { ret = -1; goto free_return; } - if (!hashcmp(ce_2->sha1, ce_3->sha1) && + if (!oidcmp(&ce_2->oid, &ce_3->oid) && ce_2->ce_mode == ce_3->ce_mode) { fprintf(stderr, "%s: identical in both, skipping.\n", path); @@ -683,9 +684,9 @@ static int unresolve_one(const char *path) static void read_head_pointers(void) { - if (read_ref("HEAD", head_sha1)) + if (read_ref("HEAD", head_oid.hash)) die("No HEAD -- no initial commit yet?"); - if (read_ref("MERGE_HEAD", merge_head_sha1)) { + if (read_ref("MERGE_HEAD", merge_head_oid.hash)) { fprintf(stderr, "Not in the middle of a merge.\n"); exit(0); } @@ -725,7 +726,7 @@ static int do_reupdate(int ac, const char **av, PATHSPEC_PREFER_CWD, prefix, av + 1); - if (read_ref("HEAD", head_sha1)) + if (read_ref("HEAD", head_oid.hash)) /* If there is no HEAD, that means it is an initial * commit. Update everything in the index. */ @@ -740,10 +741,10 @@ static int do_reupdate(int ac, const char **av, if (ce_stage(ce) || !ce_path_match(ce, &pathspec, NULL)) continue; if (has_head) - old = read_one_ent(NULL, head_sha1, + old = read_one_ent(NULL, &head_oid, ce->name, ce_namelen(ce), 0); if (old && ce->ce_mode == old->ce_mode && - !hashcmp(ce->sha1, old->sha1)) { + !oidcmp(&ce->oid, &old->oid)) { free(old); continue; /* unchanged */ } @@ -807,7 +808,7 @@ static int resolve_undo_clear_callback(const struct option *opt, static int parse_new_style_cacheinfo(const char *arg, unsigned int *mode, - unsigned char sha1[], + struct object_id *oid, const char **path) { unsigned long ul; @@ -822,21 +823,21 @@ static int parse_new_style_cacheinfo(const char *arg, return -1; /* not a new-style cacheinfo */ *mode = ul; endp++; - if (get_sha1_hex(endp, sha1) || endp[40] != ',') + if (get_oid_hex(endp, oid) || endp[GIT_SHA1_HEXSZ] != ',') return -1; - *path = endp + 41; + *path = endp + GIT_SHA1_HEXSZ + 1; return 0; } static int cacheinfo_callback(struct parse_opt_ctx_t *ctx, const struct option *opt, int unset) { - unsigned char sha1[20]; + struct object_id oid; unsigned int mode; const char *path; - if (!parse_new_style_cacheinfo(ctx->argv[1], &mode, sha1, &path)) { - if (add_cacheinfo(mode, sha1, path, 0)) + if (!parse_new_style_cacheinfo(ctx->argv[1], &mode, &oid, &path)) { + if (add_cacheinfo(mode, &oid, path, 0)) die("git update-index: --cacheinfo cannot add %s", path); ctx->argv++; ctx->argc--; @@ -845,8 +846,8 @@ static int cacheinfo_callback(struct parse_opt_ctx_t *ctx, if (ctx->argc <= 3) return error("option 'cacheinfo' expects <mode>,<sha1>,<path>"); if (strtoul_ui(*++ctx->argv, 8, &mode) || - get_sha1_hex(*++ctx->argv, sha1) || - add_cacheinfo(mode, sha1, *++ctx->argv, 0)) + get_oid_hex(*++ctx->argv, &oid) || + add_cacheinfo(mode, &oid, *++ctx->argv, 0)) die("git update-index: --cacheinfo cannot add %s", *ctx->argv); ctx->argc -= 3; return 0; diff --git a/cache-tree.c b/cache-tree.c index f28b1f45a4..345ea35963 100644 --- a/cache-tree.c +++ b/cache-tree.c @@ -168,7 +168,7 @@ static int verify_cache(struct cache_entry **cache, break; } fprintf(stderr, "%s: unmerged (%s)\n", - ce->name, sha1_to_hex(ce->sha1)); + ce->name, oid_to_hex(&ce->oid)); } } if (funny) @@ -349,7 +349,7 @@ static int update_one(struct cache_tree *it, } } else { - sha1 = ce->sha1; + sha1 = ce->oid.hash; mode = ce->ce_mode; entlen = pathlen - baselen; i++; @@ -173,7 +173,7 @@ struct cache_entry { unsigned int ce_flags; unsigned int ce_namelen; unsigned int index; /* for link extension */ - unsigned char sha1[20]; + struct object_id oid; char name[FLEX_ARRAY]; /* more */ }; @@ -819,8 +819,8 @@ extern void strbuf_git_common_path(struct strbuf *sb, const char *fmt, ...) __attribute__((format (printf, 2, 3))); extern char *git_path_buf(struct strbuf *buf, const char *fmt, ...) __attribute__((format (printf, 2, 3))); -extern void strbuf_git_path_submodule(struct strbuf *sb, const char *path, - const char *fmt, ...) +extern int strbuf_git_path_submodule(struct strbuf *sb, const char *path, + const char *fmt, ...) __attribute__((format (printf, 3, 4))); extern char *git_pathdup(const char *fmt, ...) __attribute__((format (printf, 1, 2))); @@ -953,22 +953,39 @@ static inline void oidclr(struct object_id *oid) #define EMPTY_TREE_SHA1_BIN_LITERAL \ "\x4b\x82\x5d\xc6\x42\xcb\x6e\xb9\xa0\x60" \ "\xe5\x4b\xf8\xd6\x92\x88\xfb\xee\x49\x04" -#define EMPTY_TREE_SHA1_BIN \ - ((const unsigned char *) EMPTY_TREE_SHA1_BIN_LITERAL) +extern const struct object_id empty_tree_oid; +#define EMPTY_TREE_SHA1_BIN (empty_tree_oid.hash) #define EMPTY_BLOB_SHA1_HEX \ "e69de29bb2d1d6434b8b29ae775ad8c2e48c5391" #define EMPTY_BLOB_SHA1_BIN_LITERAL \ "\xe6\x9d\xe2\x9b\xb2\xd1\xd6\x43\x4b\x8b" \ "\x29\xae\x77\x5a\xd8\xc2\xe4\x8c\x53\x91" -#define EMPTY_BLOB_SHA1_BIN \ - ((const unsigned char *) EMPTY_BLOB_SHA1_BIN_LITERAL) +extern const struct object_id empty_blob_oid; +#define EMPTY_BLOB_SHA1_BIN (empty_blob_oid.hash) + static inline int is_empty_blob_sha1(const unsigned char *sha1) { return !hashcmp(sha1, EMPTY_BLOB_SHA1_BIN); } +static inline int is_empty_blob_oid(const struct object_id *oid) +{ + return !hashcmp(oid->hash, EMPTY_BLOB_SHA1_BIN); +} + +static inline int is_empty_tree_sha1(const unsigned char *sha1) +{ + return !hashcmp(sha1, EMPTY_TREE_SHA1_BIN); +} + +static inline int is_empty_tree_oid(const struct object_id *oid) +{ + return !hashcmp(oid->hash, EMPTY_TREE_SHA1_BIN); +} + + int git_mkstemp(char *path, size_t n, const char *template); /* set default permissions by passing mode arguments to open(2) */ @@ -1214,7 +1231,7 @@ extern char *sha1_to_hex(const unsigned char *sha1); /* static buffer result! */ extern char *oid_to_hex(const struct object_id *oid); /* same static buffer as sha1_to_hex */ extern int interpret_branch_name(const char *str, int len, struct strbuf *); -extern int get_sha1_mb(const char *str, unsigned char *sha1); +extern int get_oid_mb(const char *str, struct object_id *oid); extern int validate_headref(const char *ref); @@ -1354,6 +1371,7 @@ extern struct alternate_object_database { } *alt_odb_list; extern void prepare_alt_odb(void); extern void read_info_alternates(const char * relative_base, int depth); +extern char *compute_alternate_path(const char *path, struct strbuf *err); extern void add_to_alternates_file(const char *reference); typedef int alt_odb_fn(struct alternate_object_database *, void *); extern int foreach_alt_odb(alt_odb_fn, void*); diff --git a/diff-lib.c b/diff-lib.c index bc49c708c1..3007c8524c 100644 --- a/diff-lib.c +++ b/diff-lib.c @@ -155,7 +155,8 @@ int run_diff_files(struct rev_info *revs, unsigned int option) if (2 <= stage) { int mode = nce->ce_mode; num_compare_stages++; - hashcpy(dpath->parent[stage-2].oid.hash, nce->sha1); + oidcpy(&dpath->parent[stage - 2].oid, + &nce->oid); dpath->parent[stage-2].mode = ce_mode_from_stat(nce, mode); dpath->parent[stage-2].status = DIFF_STATUS_MODIFIED; @@ -209,7 +210,8 @@ int run_diff_files(struct rev_info *revs, unsigned int option) continue; } diff_addremove(&revs->diffopt, '-', ce->ce_mode, - ce->sha1, !is_null_sha1(ce->sha1), + ce->oid.hash, + !is_null_oid(&ce->oid), ce->name, 0); continue; } @@ -225,8 +227,8 @@ int run_diff_files(struct rev_info *revs, unsigned int option) continue; } oldmode = ce->ce_mode; - old_sha1 = ce->sha1; - new_sha1 = changed ? null_sha1 : ce->sha1; + old_sha1 = ce->oid.hash; + new_sha1 = changed ? null_sha1 : ce->oid.hash; diff_change(&revs->diffopt, oldmode, newmode, old_sha1, new_sha1, !is_null_sha1(old_sha1), @@ -261,7 +263,7 @@ static int get_stat_data(const struct cache_entry *ce, int cached, int match_missing, unsigned *dirty_submodule, struct diff_options *diffopt) { - const unsigned char *sha1 = ce->sha1; + const unsigned char *sha1 = ce->oid.hash; unsigned int mode = ce->ce_mode; if (!cached && !ce_uptodate(ce)) { @@ -324,12 +326,13 @@ static int show_modified(struct rev_info *revs, &dirty_submodule, &revs->diffopt) < 0) { if (report_missing) diff_index_show_file(revs, "-", old, - old->sha1, 1, old->ce_mode, 0); + old->oid.hash, 1, old->ce_mode, + 0); return -1; } if (revs->combine_merges && !cached && - (hashcmp(sha1, old->sha1) || hashcmp(old->sha1, new->sha1))) { + (hashcmp(sha1, old->oid.hash) || oidcmp(&old->oid, &new->oid))) { struct combine_diff_path *p; int pathlen = ce_namelen(new); @@ -343,22 +346,22 @@ static int show_modified(struct rev_info *revs, memset(p->parent, 0, 2 * sizeof(struct combine_diff_parent)); p->parent[0].status = DIFF_STATUS_MODIFIED; p->parent[0].mode = new->ce_mode; - hashcpy(p->parent[0].oid.hash, new->sha1); + oidcpy(&p->parent[0].oid, &new->oid); p->parent[1].status = DIFF_STATUS_MODIFIED; p->parent[1].mode = old->ce_mode; - hashcpy(p->parent[1].oid.hash, old->sha1); + oidcpy(&p->parent[1].oid, &old->oid); show_combined_diff(p, 2, revs->dense_combined_merges, revs); free(p); return 0; } oldmode = old->ce_mode; - if (mode == oldmode && !hashcmp(sha1, old->sha1) && !dirty_submodule && + if (mode == oldmode && !hashcmp(sha1, old->oid.hash) && !dirty_submodule && !DIFF_OPT_TST(&revs->diffopt, FIND_COPIES_HARDER)) return 0; diff_change(&revs->diffopt, oldmode, mode, - old->sha1, sha1, 1, !is_null_sha1(sha1), + old->oid.hash, sha1, 1, !is_null_sha1(sha1), old->name, 0, dirty_submodule); return 0; } @@ -392,7 +395,8 @@ static void do_oneway_diff(struct unpack_trees_options *o, struct diff_filepair *pair; pair = diff_unmerge(&revs->diffopt, idx->name); if (tree) - fill_filespec(pair->one, tree->sha1, 1, tree->ce_mode); + fill_filespec(pair->one, tree->oid.hash, 1, + tree->ce_mode); return; } @@ -408,7 +412,8 @@ static void do_oneway_diff(struct unpack_trees_options *o, * Something removed from the tree? */ if (!idx) { - diff_index_show_file(revs, "-", tree, tree->sha1, 1, tree->ce_mode, 0); + diff_index_show_file(revs, "-", tree, tree->oid.hash, 1, + tree->ce_mode, 0); return; } @@ -18,6 +18,7 @@ #include "ll-merge.h" #include "string-list.h" #include "argv-array.h" +#include "graph.h" #ifdef NO_FAST_WORKING_DIRECTORY #define FAST_WORKING_DIRECTORY 0 @@ -131,9 +132,11 @@ static int parse_dirstat_params(struct diff_options *options, const char *params static int parse_submodule_params(struct diff_options *options, const char *value) { if (!strcmp(value, "log")) - DIFF_OPT_SET(options, SUBMODULE_LOG); + options->submodule_format = DIFF_SUBMODULE_LOG; else if (!strcmp(value, "short")) - DIFF_OPT_CLR(options, SUBMODULE_LOG); + options->submodule_format = DIFF_SUBMODULE_SHORT; + else if (!strcmp(value, "diff")) + options->submodule_format = DIFF_SUBMODULE_INLINE_DIFF; else return -1; return 0; @@ -1615,7 +1618,7 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options) */ if (options->stat_width == -1) - width = term_columns() - options->output_prefix_length; + width = term_columns() - strlen(line_prefix); else width = options->stat_width ? options->stat_width : 80; number_width = decimal_width(max_change) > number_width ? @@ -2289,17 +2292,37 @@ static void builtin_diff(const char *name_a, struct strbuf header = STRBUF_INIT; const char *line_prefix = diff_line_prefix(o); - if (DIFF_OPT_TST(o, SUBMODULE_LOG) && - (!one->mode || S_ISGITLINK(one->mode)) && - (!two->mode || S_ISGITLINK(two->mode))) { + diff_set_mnemonic_prefix(o, "a/", "b/"); + if (DIFF_OPT_TST(o, REVERSE_DIFF)) { + a_prefix = o->b_prefix; + b_prefix = o->a_prefix; + } else { + a_prefix = o->a_prefix; + b_prefix = o->b_prefix; + } + + if (o->submodule_format == DIFF_SUBMODULE_LOG && + (!one->mode || S_ISGITLINK(one->mode)) && + (!two->mode || S_ISGITLINK(two->mode))) { const char *del = diff_get_color_opt(o, DIFF_FILE_OLD); const char *add = diff_get_color_opt(o, DIFF_FILE_NEW); show_submodule_summary(o->file, one->path ? one->path : two->path, line_prefix, - one->oid.hash, two->oid.hash, + &one->oid, &two->oid, two->dirty_submodule, meta, del, add, reset); return; + } else if (o->submodule_format == DIFF_SUBMODULE_INLINE_DIFF && + (!one->mode || S_ISGITLINK(one->mode)) && + (!two->mode || S_ISGITLINK(two->mode))) { + const char *del = diff_get_color_opt(o, DIFF_FILE_OLD); + const char *add = diff_get_color_opt(o, DIFF_FILE_NEW); + show_submodule_inline_diff(o->file, one->path ? one->path : two->path, + line_prefix, + &one->oid, &two->oid, + two->dirty_submodule, + meta, del, add, reset, o); + return; } if (DIFF_OPT_TST(o, ALLOW_TEXTCONV)) { @@ -2307,15 +2330,6 @@ static void builtin_diff(const char *name_a, textconv_two = get_textconv(two); } - diff_set_mnemonic_prefix(o, "a/", "b/"); - if (DIFF_OPT_TST(o, REVERSE_DIFF)) { - a_prefix = o->b_prefix; - b_prefix = o->a_prefix; - } else { - a_prefix = o->a_prefix; - b_prefix = o->b_prefix; - } - /* Never use a non-valid filename anywhere if at all possible */ name_a = DIFF_FILE_VALID(one) ? name_a : name_b; name_b = DIFF_FILE_VALID(two) ? name_b : name_a; @@ -2689,7 +2703,7 @@ static int reuse_worktree_file(const char *name, const unsigned char *sha1, int * This is not the sha1 we are looking for, or * unreusable because it is not a regular file. */ - if (hashcmp(sha1, ce->sha1) || !S_ISREG(ce->ce_mode)) + if (hashcmp(sha1, ce->oid.hash) || !S_ISREG(ce->ce_mode)) return 0; /* @@ -3904,7 +3918,7 @@ int diff_opt_parse(struct diff_options *options, DIFF_OPT_SET(options, OVERRIDE_SUBMODULE_CONFIG); handle_ignore_submodules_arg(options, arg); } else if (!strcmp(arg, "--submodule")) - DIFF_OPT_SET(options, SUBMODULE_LOG); + options->submodule_format = DIFF_SUBMODULE_LOG; else if (skip_prefix(arg, "--submodule=", &arg)) return parse_submodule_opt(options, arg); else if (skip_prefix(arg, "--ws-error-highlight=", &arg)) @@ -3955,6 +3969,12 @@ int diff_opt_parse(struct diff_options *options, options->a_prefix = optarg; return argcount; } + else if ((argcount = parse_long_opt("line-prefix", av, &optarg))) { + options->line_prefix = optarg; + options->line_prefix_length = strlen(options->line_prefix); + graph_setup_line_prefix(options); + return argcount; + } else if ((argcount = parse_long_opt("dst-prefix", av, &optarg))) { options->b_prefix = optarg; return argcount; @@ -83,7 +83,6 @@ typedef struct strbuf *(*diff_prefix_fn_t)(struct diff_options *opt, void *data) #define DIFF_OPT_DIRSTAT_BY_FILE (1 << 20) #define DIFF_OPT_ALLOW_TEXTCONV (1 << 21) #define DIFF_OPT_DIFF_FROM_CONTENTS (1 << 22) -#define DIFF_OPT_SUBMODULE_LOG (1 << 23) #define DIFF_OPT_DIRTY_SUBMODULES (1 << 24) #define DIFF_OPT_IGNORE_UNTRACKED_IN_SUBMODULES (1 << 25) #define DIFF_OPT_IGNORE_DIRTY_SUBMODULES (1 << 26) @@ -110,11 +109,19 @@ enum diff_words_type { DIFF_WORDS_COLOR }; +enum diff_submodule_format { + DIFF_SUBMODULE_SHORT = 0, + DIFF_SUBMODULE_LOG, + DIFF_SUBMODULE_INLINE_DIFF +}; + struct diff_options { const char *orderfile; const char *pickaxe; const char *single_follow; const char *a_prefix, *b_prefix; + const char *line_prefix; + size_t line_prefix_length; unsigned flags; unsigned touched_flags; @@ -155,6 +162,7 @@ struct diff_options { int stat_count; const char *word_regex; enum diff_words_type word_diff; + enum diff_submodule_format submodule_format; /* this is set by diffcore for DIFF_FORMAT_PATCH */ int found_changes; @@ -174,7 +182,6 @@ struct diff_options { diff_format_fn_t format_callback; void *format_callback_data; diff_prefix_fn_t output_prefix; - int output_prefix_length; void *output_prefix_data; int diff_path_counter; @@ -525,7 +525,7 @@ static void *read_skip_worktree_file_from_index(const char *path, size_t *size, return NULL; if (!ce_skip_worktree(active_cache[pos])) return NULL; - data = read_sha1_file(active_cache[pos]->sha1, &type, &sz); + data = read_sha1_file(active_cache[pos]->oid.hash, &type, &sz); if (!data || type != OBJ_BLOB) { free(data); return NULL; @@ -533,7 +533,7 @@ static void *read_skip_worktree_file_from_index(const char *path, size_t *size, *size = xsize_t(sz); if (sha1_stat) { memset(&sha1_stat->stat, 0, sizeof(sha1_stat->stat)); - hashcpy(sha1_stat->sha1, active_cache[pos]->sha1); + hashcpy(sha1_stat->sha1, active_cache[pos]->oid.hash); } return data; } @@ -713,7 +713,8 @@ static int add_excludes(const char *fname, const char *base, int baselen, !ce_stage(active_cache[pos]) && ce_uptodate(active_cache[pos]) && !would_convert_to_git(fname)) - hashcpy(sha1_stat->sha1, active_cache[pos]->sha1); + hashcpy(sha1_stat->sha1, + active_cache[pos]->oid.hash); else hash_sha1_file(buf, size, "blob", sha1_stat->sha1); fill_stat_data(&sha1_stat->stat, &st); @@ -82,7 +82,7 @@ static int create_file(const char *path, unsigned int mode) static void *read_blob_entry(const struct cache_entry *ce, unsigned long *size) { enum object_type type; - void *new = read_sha1_file(ce->sha1, &type, size); + void *new = read_sha1_file(ce->oid.hash, &type, size); if (new) { if (type == OBJ_BLOB) @@ -127,7 +127,7 @@ static int streaming_write_entry(const struct cache_entry *ce, char *path, if (fd < 0) return -1; - result |= stream_blob_to_fd(fd, ce->sha1, filter, 1); + result |= stream_blob_to_fd(fd, &ce->oid, filter, 1); *fstat_done = fstat_output(fd, state, statbuf); result |= close(fd); @@ -148,7 +148,8 @@ static int write_entry(struct cache_entry *ce, struct stat st; if (ce_mode_s_ifmt == S_IFREG) { - struct stream_filter *filter = get_stream_filter(ce->name, ce->sha1); + struct stream_filter *filter = get_stream_filter(ce->name, + ce->oid.hash); if (filter && !streaming_write_entry(ce, path, filter, state, to_tempfile, @@ -162,7 +163,7 @@ static int write_entry(struct cache_entry *ce, new = read_blob_entry(ce, &size); if (!new) return error("unable to read sha1 file of %s (%s)", - path, sha1_to_hex(ce->sha1)); + path, oid_to_hex(&ce->oid)); if (ce_mode_s_ifmt == S_IFLNK && has_symlinks && !to_tempfile) { ret = symlink(new, path); diff --git a/git-compat-util.h b/git-compat-util.h index 68615b1a6a..37cce0746f 100644 --- a/git-compat-util.h +++ b/git-compat-util.h @@ -441,6 +441,9 @@ static inline int const_error(void) extern void set_die_routine(NORETURN_PTR void (*routine)(const char *err, va_list params)); extern void set_error_routine(void (*routine)(const char *err, va_list params)); +extern void (*get_error_routine(void))(const char *err, va_list params); +extern void set_warn_routine(void (*routine)(const char *warn, va_list params)); +extern void (*get_warn_routine(void))(const char *warn, va_list params); extern void set_die_is_recursing_routine(int (*routine)(void)); extern void set_error_handle(FILE *); diff --git a/git-gui/lib/commit.tcl b/git-gui/lib/commit.tcl index 864b687057..01d2cc280b 100644 --- a/git-gui/lib/commit.tcl +++ b/git-gui/lib/commit.tcl @@ -369,6 +369,9 @@ A rescan will be automatically started now. # -- Create the commit. # set cmd [list commit-tree $tree_id] + if {[is_config_true commit.gpgsign]} { + lappend cmd -S + } foreach p [concat $PARENT $MERGE_HEAD] { lappend cmd -p $p } diff --git a/git-gui/po/ja.po b/git-gui/po/ja.po index 9aff249d5f..208651c1af 100644 --- a/git-gui/po/ja.po +++ b/git-gui/po/ja.po @@ -1,47 +1,50 @@ # Translation of git-gui to Japanese # Copyright (C) 2007 Shawn Pearce # This file is distributed under the same license as the git-gui package. +# # しらいし ななこ <nanako3@bluebottle.com>, 2007. +# Satoshi Yasushima <s.yasushima@gmail.com>, 2016. # msgid "" msgstr "" "Project-Id-Version: git-gui\n" "Report-Msgid-Bugs-To: \n" -"POT-Creation-Date: 2010-01-26 15:47-0800\n" -"PO-Revision-Date: 2010-02-02 19:03+0900\n" -"Last-Translator: しらいし ななこ <nanako3@lavabit.com>\n" +"POT-Creation-Date: 2016-05-27 17:52+0900\n" +"PO-Revision-Date: 2016-06-22 12:50+0900\n" +"Last-Translator: Satoshi Yasushima <s.yasushima@gmail.com>\n" "Language-Team: Japanese\n" +"Language: ja\n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" -#: git-gui.sh:41 git-gui.sh:793 git-gui.sh:807 git-gui.sh:820 git-gui.sh:903 -#: git-gui.sh:922 -msgid "git-gui: fatal error" -msgstr "git-gui: 致命的なエラー" - -#: git-gui.sh:743 +#: git-gui.sh:861 #, tcl-format msgid "Invalid font specified in %s:" msgstr "%s に無効なフォントが指定されています:" -#: git-gui.sh:779 +#: git-gui.sh:915 msgid "Main Font" msgstr "主フォント" -#: git-gui.sh:780 +#: git-gui.sh:916 msgid "Diff/Console Font" msgstr "diff/コンソール・フォント" -#: git-gui.sh:794 +#: git-gui.sh:931 git-gui.sh:945 git-gui.sh:958 git-gui.sh:1048 git-gui.sh:1067 +#: git-gui.sh:3125 +msgid "git-gui: fatal error" +msgstr "git-gui: 致命的なエラー" + +#: git-gui.sh:932 msgid "Cannot find git in PATH." msgstr "PATH 中に git が見つかりません" -#: git-gui.sh:821 +#: git-gui.sh:959 msgid "Cannot parse Git version string:" msgstr "Git バージョン名が理解できません:" -#: git-gui.sh:839 +#: git-gui.sh:984 #, tcl-format msgid "" "Git version cannot be determined.\n" @@ -60,475 +63,502 @@ msgstr "" "\n" "'%s' はバージョン 1.5.0 と思って良いですか？\n" -#: git-gui.sh:1128 +#: git-gui.sh:1281 msgid "Git directory not found:" msgstr "Git ディレクトリが見つかりません:" -#: git-gui.sh:1146 +#: git-gui.sh:1315 msgid "Cannot move to top of working directory:" msgstr "作業ディレクトリの最上位に移動できません" -#: git-gui.sh:1154 +#: git-gui.sh:1323 msgid "Cannot use bare repository:" msgstr "裸のリポジトリは使えません:" -#: git-gui.sh:1162 +#: git-gui.sh:1331 msgid "No working directory" msgstr "作業ディレクトリがありません" -#: git-gui.sh:1334 lib/checkout_op.tcl:306 +#: git-gui.sh:1503 lib/checkout_op.tcl:306 msgid "Refreshing file status..." msgstr "ファイル状態を更新しています…" -#: git-gui.sh:1390 +#: git-gui.sh:1563 msgid "Scanning for modified files ..." msgstr "変更されたファイルをスキャンしています…" -#: git-gui.sh:1454 +#: git-gui.sh:1639 msgid "Calling prepare-commit-msg hook..." msgstr "prepare-commit-msg フックを実行中・・・" -#: git-gui.sh:1471 +#: git-gui.sh:1656 msgid "Commit declined by prepare-commit-msg hook." msgstr "prepare-commit-msg フックがコミットを拒否しました" -#: git-gui.sh:1629 lib/browser.tcl:246 +#: git-gui.sh:1814 lib/browser.tcl:252 msgid "Ready." msgstr "準備完了" -#: git-gui.sh:1787 +#: git-gui.sh:1978 #, tcl-format -msgid "Displaying only %s of %s files." -msgstr "全体で%s個の内の%sファイルだけ表示しています" +msgid "" +"Display limit (gui.maxfilesdisplayed = %s) reached, not showing all %s files." +msgstr "" +"表示可能な限界 (gui.maxfilesdisplayed = %s) に達しため、全体で%s個のファイル" +"を表示できません" -#: git-gui.sh:1913 +#: git-gui.sh:2101 msgid "Unmodified" msgstr "変更無し" -#: git-gui.sh:1915 +#: git-gui.sh:2103 msgid "Modified, not staged" msgstr "変更あり、コミット未予定" -#: git-gui.sh:1916 git-gui.sh:1924 +#: git-gui.sh:2104 git-gui.sh:2116 msgid "Staged for commit" msgstr "コミット予定済" -#: git-gui.sh:1917 git-gui.sh:1925 +#: git-gui.sh:2105 git-gui.sh:2117 msgid "Portions staged for commit" msgstr "部分的にコミット予定済" -#: git-gui.sh:1918 git-gui.sh:1926 +#: git-gui.sh:2106 git-gui.sh:2118 msgid "Staged for commit, missing" msgstr "コミット予定済、ファイル無し" -#: git-gui.sh:1920 +#: git-gui.sh:2108 msgid "File type changed, not staged" msgstr "ファイル型変更、コミット未予定" -#: git-gui.sh:1921 +#: git-gui.sh:2109 git-gui.sh:2110 +msgid "File type changed, old type staged for commit" +msgstr "ファイル型変更、旧型コミット予定済" + +#: git-gui.sh:2111 msgid "File type changed, staged" msgstr "ファイル型変更、コミット予定済" -#: git-gui.sh:1923 +#: git-gui.sh:2112 +msgid "File type change staged, modification not staged" +msgstr "ファイル型変更コミット予定済、変更コミット未予定" + +#: git-gui.sh:2113 +msgid "File type change staged, file missing" +msgstr "ファイル型変更コミット予定済、ファイル無し" + +#: git-gui.sh:2115 msgid "Untracked, not staged" msgstr "管理外、コミット未予定" -#: git-gui.sh:1928 +#: git-gui.sh:2120 msgid "Missing" msgstr "ファイル無し" -#: git-gui.sh:1929 +#: git-gui.sh:2121 msgid "Staged for removal" msgstr "削除予定済" -#: git-gui.sh:1930 +#: git-gui.sh:2122 msgid "Staged for removal, still present" msgstr "削除予定済、ファイル未削除" -#: git-gui.sh:1932 git-gui.sh:1933 git-gui.sh:1934 git-gui.sh:1935 -#: git-gui.sh:1936 git-gui.sh:1937 +#: git-gui.sh:2124 git-gui.sh:2125 git-gui.sh:2126 git-gui.sh:2127 +#: git-gui.sh:2128 git-gui.sh:2129 msgid "Requires merge resolution" msgstr "要マージ解決" -#: git-gui.sh:1972 +#: git-gui.sh:2164 msgid "Starting gitk... please wait..." msgstr "gitk を起動中…お待ち下さい…" -#: git-gui.sh:1984 +#: git-gui.sh:2176 msgid "Couldn't find gitk in PATH" msgstr "PATH 中に gitk が見つかりません" -#: git-gui.sh:2043 +#: git-gui.sh:2235 msgid "Couldn't find git gui in PATH" msgstr "PATH 中に git gui が見つかりません" -#: git-gui.sh:2455 lib/choose_repository.tcl:36 +#: git-gui.sh:2654 lib/choose_repository.tcl:41 msgid "Repository" msgstr "リポジトリ" -#: git-gui.sh:2456 +#: git-gui.sh:2655 msgid "Edit" msgstr "編集" -#: git-gui.sh:2458 lib/choose_rev.tcl:561 +#: git-gui.sh:2657 lib/choose_rev.tcl:567 msgid "Branch" msgstr "ブランチ" -#: git-gui.sh:2461 lib/choose_rev.tcl:548 +#: git-gui.sh:2660 lib/choose_rev.tcl:554 msgid "Commit@@noun" msgstr "コミット" -#: git-gui.sh:2464 lib/merge.tcl:121 lib/merge.tcl:150 lib/merge.tcl:168 +#: git-gui.sh:2663 lib/merge.tcl:123 lib/merge.tcl:152 lib/merge.tcl:170 msgid "Merge" msgstr "マージ" -#: git-gui.sh:2465 lib/choose_rev.tcl:557 +#: git-gui.sh:2664 lib/choose_rev.tcl:563 msgid "Remote" msgstr "リモート" -#: git-gui.sh:2468 +#: git-gui.sh:2667 msgid "Tools" msgstr "ツール" -#: git-gui.sh:2477 +#: git-gui.sh:2676 msgid "Explore Working Copy" msgstr "ワーキングコピーをブラウズ" -#: git-gui.sh:2483 +#: git-gui.sh:2682 +msgid "Git Bash" +msgstr "" + +#: git-gui.sh:2692 msgid "Browse Current Branch's Files" msgstr "現在のブランチのファイルを見る" -#: git-gui.sh:2487 +#: git-gui.sh:2696 msgid "Browse Branch Files..." msgstr "ブランチのファイルを見る…" -#: git-gui.sh:2492 +#: git-gui.sh:2701 msgid "Visualize Current Branch's History" msgstr "現在のブランチの履歴を見る" -#: git-gui.sh:2496 +#: git-gui.sh:2705 msgid "Visualize All Branch History" msgstr "全てのブランチの履歴を見る" -#: git-gui.sh:2503 +#: git-gui.sh:2712 #, tcl-format msgid "Browse %s's Files" msgstr "ブランチ %s のファイルを見る" -#: git-gui.sh:2505 +#: git-gui.sh:2714 #, tcl-format msgid "Visualize %s's History" msgstr "ブランチ %s の履歴を見る" -#: git-gui.sh:2510 lib/database.tcl:27 lib/database.tcl:67 +#: git-gui.sh:2719 lib/database.tcl:40 lib/database.tcl:66 msgid "Database Statistics" msgstr "データベース統計" -#: git-gui.sh:2513 lib/database.tcl:34 +#: git-gui.sh:2722 lib/database.tcl:33 msgid "Compress Database" msgstr "データベース圧縮" -#: git-gui.sh:2516 +#: git-gui.sh:2725 msgid "Verify Database" msgstr "データベース検証" -#: git-gui.sh:2523 git-gui.sh:2527 git-gui.sh:2531 lib/shortcut.tcl:8 +#: git-gui.sh:2732 git-gui.sh:2736 git-gui.sh:2740 lib/shortcut.tcl:8 #: lib/shortcut.tcl:40 lib/shortcut.tcl:72 msgid "Create Desktop Icon" msgstr "デスクトップ・アイコンを作る" -#: git-gui.sh:2539 lib/choose_repository.tcl:183 lib/choose_repository.tcl:191 +#: git-gui.sh:2748 lib/choose_repository.tcl:193 lib/choose_repository.tcl:201 msgid "Quit" msgstr "終了" -#: git-gui.sh:2547 +#: git-gui.sh:2756 msgid "Undo" msgstr "元に戻す" -#: git-gui.sh:2550 +#: git-gui.sh:2759 msgid "Redo" msgstr "やり直し" -#: git-gui.sh:2554 git-gui.sh:3109 +#: git-gui.sh:2763 git-gui.sh:3368 msgid "Cut" msgstr "切り取り" -#: git-gui.sh:2557 git-gui.sh:3112 git-gui.sh:3186 git-gui.sh:3259 +#: git-gui.sh:2766 git-gui.sh:3371 git-gui.sh:3445 git-gui.sh:3530 #: lib/console.tcl:69 msgid "Copy" msgstr "コピー" -#: git-gui.sh:2560 git-gui.sh:3115 +#: git-gui.sh:2769 git-gui.sh:3374 msgid "Paste" msgstr "貼り付け" -#: git-gui.sh:2563 git-gui.sh:3118 lib/branch_delete.tcl:26 -#: lib/remote_branch_delete.tcl:38 +#: git-gui.sh:2772 git-gui.sh:3377 lib/remote_branch_delete.tcl:39 +#: lib/branch_delete.tcl:28 msgid "Delete" msgstr "削除" -#: git-gui.sh:2567 git-gui.sh:3122 git-gui.sh:3263 lib/console.tcl:71 +#: git-gui.sh:2776 git-gui.sh:3381 git-gui.sh:3534 lib/console.tcl:71 msgid "Select All" msgstr "全て選択" -#: git-gui.sh:2576 +#: git-gui.sh:2785 msgid "Create..." msgstr "作成…" -#: git-gui.sh:2582 +#: git-gui.sh:2791 msgid "Checkout..." msgstr "チェックアウト" -#: git-gui.sh:2588 +#: git-gui.sh:2797 msgid "Rename..." msgstr "名前変更…" -#: git-gui.sh:2593 +#: git-gui.sh:2802 msgid "Delete..." msgstr "削除…" -#: git-gui.sh:2598 +#: git-gui.sh:2807 msgid "Reset..." msgstr "リセット…" -#: git-gui.sh:2608 +#: git-gui.sh:2817 msgid "Done" msgstr "完了" -#: git-gui.sh:2610 +#: git-gui.sh:2819 msgid "Commit@@verb" msgstr "コミット" -#: git-gui.sh:2619 git-gui.sh:3050 +#: git-gui.sh:2828 git-gui.sh:3309 msgid "New Commit" msgstr "新規コミット" -#: git-gui.sh:2627 git-gui.sh:3057 +#: git-gui.sh:2836 git-gui.sh:3316 msgid "Amend Last Commit" msgstr "最新コミットを訂正" -#: git-gui.sh:2637 git-gui.sh:3011 lib/remote_branch_delete.tcl:99 +#: git-gui.sh:2846 git-gui.sh:3270 lib/remote_branch_delete.tcl:101 msgid "Rescan" msgstr "再スキャン" -#: git-gui.sh:2643 +#: git-gui.sh:2852 msgid "Stage To Commit" msgstr "コミット予定する" -#: git-gui.sh:2649 +#: git-gui.sh:2858 msgid "Stage Changed Files To Commit" msgstr "変更されたファイルをコミット予定" -#: git-gui.sh:2655 +#: git-gui.sh:2864 msgid "Unstage From Commit" msgstr "コミットから降ろす" -#: git-gui.sh:2661 lib/index.tcl:412 +#: git-gui.sh:2870 lib/index.tcl:442 msgid "Revert Changes" msgstr "変更を元に戻す" -#: git-gui.sh:2669 git-gui.sh:3310 git-gui.sh:3341 +#: git-gui.sh:2878 git-gui.sh:3581 git-gui.sh:3612 msgid "Show Less Context" msgstr "文脈を少なく" -#: git-gui.sh:2673 git-gui.sh:3314 git-gui.sh:3345 +#: git-gui.sh:2882 git-gui.sh:3585 git-gui.sh:3616 msgid "Show More Context" msgstr "文脈を多く" -#: git-gui.sh:2680 git-gui.sh:3024 git-gui.sh:3133 +#: git-gui.sh:2889 git-gui.sh:3283 git-gui.sh:3392 msgid "Sign Off" msgstr "署名" -#: git-gui.sh:2696 +#: git-gui.sh:2905 msgid "Local Merge..." msgstr "ローカル・マージ…" -#: git-gui.sh:2701 +#: git-gui.sh:2910 msgid "Abort Merge..." msgstr "マージ中止…" -#: git-gui.sh:2713 git-gui.sh:2741 +#: git-gui.sh:2922 git-gui.sh:2950 msgid "Add..." msgstr "追加" -#: git-gui.sh:2717 +#: git-gui.sh:2926 msgid "Push..." msgstr "プッシュ…" -#: git-gui.sh:2721 +#: git-gui.sh:2930 msgid "Delete Branch..." msgstr "ブランチ削除..." -#: git-gui.sh:2731 git-gui.sh:3292 +#: git-gui.sh:2940 git-gui.sh:3563 msgid "Options..." msgstr "オプション…" -#: git-gui.sh:2742 +#: git-gui.sh:2951 msgid "Remove..." msgstr "削除..." -#: git-gui.sh:2751 lib/choose_repository.tcl:50 +#: git-gui.sh:2960 lib/choose_repository.tcl:55 msgid "Help" msgstr "ヘルプ" -#: git-gui.sh:2755 git-gui.sh:2759 lib/about.tcl:14 -#: lib/choose_repository.tcl:44 lib/choose_repository.tcl:53 +#: git-gui.sh:2964 git-gui.sh:2968 lib/about.tcl:14 +#: lib/choose_repository.tcl:49 lib/choose_repository.tcl:58 #, tcl-format msgid "About %s" msgstr "%s について" -#: git-gui.sh:2783 +#: git-gui.sh:2992 msgid "Online Documentation" msgstr "オンライン・ドキュメント" -#: git-gui.sh:2786 lib/choose_repository.tcl:47 lib/choose_repository.tcl:56 +#: git-gui.sh:2995 lib/choose_repository.tcl:52 lib/choose_repository.tcl:61 msgid "Show SSH Key" msgstr "SSH キーを表示" -#: git-gui.sh:2893 +#: git-gui.sh:3014 git-gui.sh:3146 +msgid "Usage" +msgstr "使い方" + +#: git-gui.sh:3095 lib/blame.tcl:573 +msgid "Error" +msgstr "エラー" + +#: git-gui.sh:3126 #, tcl-format msgid "fatal: cannot stat path %s: No such file or directory" msgstr "" "致命的: パス %s が stat できません。そのようなファイルやディレクトリはありま" "せん" -#: git-gui.sh:2926 +#: git-gui.sh:3159 msgid "Current Branch:" msgstr "現在のブランチ" -#: git-gui.sh:2947 +#: git-gui.sh:3185 msgid "Staged Changes (Will Commit)" msgstr "ステージングされた（コミット予定済の）変更" -#: git-gui.sh:2967 +#: git-gui.sh:3205 msgid "Unstaged Changes" msgstr "コミット予定に入っていない変更" -#: git-gui.sh:3017 +#: git-gui.sh:3276 msgid "Stage Changed" msgstr "変更をコミット予定に入れる" -#: git-gui.sh:3036 lib/transport.tcl:104 lib/transport.tcl:193 +#: git-gui.sh:3295 lib/transport.tcl:137 lib/transport.tcl:229 msgid "Push" msgstr "プッシュ" -#: git-gui.sh:3071 +#: git-gui.sh:3330 msgid "Initial Commit Message:" msgstr "最初のコミットメッセージ:" -#: git-gui.sh:3072 +#: git-gui.sh:3331 msgid "Amended Commit Message:" msgstr "訂正したコミットメッセージ:" -#: git-gui.sh:3073 +#: git-gui.sh:3332 msgid "Amended Initial Commit Message:" msgstr "訂正した最初のコミットメッセージ:" -#: git-gui.sh:3074 +#: git-gui.sh:3333 msgid "Amended Merge Commit Message:" msgstr "訂正したマージコミットメッセージ:" -#: git-gui.sh:3075 +#: git-gui.sh:3334 msgid "Merge Commit Message:" msgstr "マージコミットメッセージ:" -#: git-gui.sh:3076 +#: git-gui.sh:3335 msgid "Commit Message:" msgstr "コミットメッセージ:" -#: git-gui.sh:3125 git-gui.sh:3267 lib/console.tcl:73 +#: git-gui.sh:3384 git-gui.sh:3538 lib/console.tcl:73 msgid "Copy All" msgstr "全てコピー" -#: git-gui.sh:3149 lib/blame.tcl:104 +#: git-gui.sh:3408 lib/blame.tcl:105 msgid "File:" msgstr "ファイル:" -#: git-gui.sh:3255 +#: git-gui.sh:3526 msgid "Refresh" msgstr "再読み込み" -#: git-gui.sh:3276 +#: git-gui.sh:3547 msgid "Decrease Font Size" msgstr "フォントを小さく" -#: git-gui.sh:3280 +#: git-gui.sh:3551 msgid "Increase Font Size" msgstr "フォントを大きく" -#: git-gui.sh:3288 lib/blame.tcl:281 +#: git-gui.sh:3559 lib/blame.tcl:294 msgid "Encoding" msgstr "エンコーディング" -#: git-gui.sh:3299 +#: git-gui.sh:3570 msgid "Apply/Reverse Hunk" msgstr "パッチを適用/取り消す" -#: git-gui.sh:3304 +#: git-gui.sh:3575 msgid "Apply/Reverse Line" msgstr "パッチ行を適用/取り消す" -#: git-gui.sh:3323 +#: git-gui.sh:3594 msgid "Run Merge Tool" msgstr "マージツールを起動" -#: git-gui.sh:3328 +#: git-gui.sh:3599 msgid "Use Remote Version" msgstr "リモートの方を採用" -#: git-gui.sh:3332 +#: git-gui.sh:3603 msgid "Use Local Version" msgstr "ローカルの方を採用" -#: git-gui.sh:3336 +#: git-gui.sh:3607 msgid "Revert To Base" msgstr "ベース版を採用" -#: git-gui.sh:3354 +#: git-gui.sh:3625 msgid "Visualize These Changes In The Submodule" msgstr "サブモジュール内のこれらの変更を見る" -#: git-gui.sh:3358 +#: git-gui.sh:3629 msgid "Visualize Current Branch History In The Submodule" msgstr "サブモジュール内で現在のブランチの履歴を見る" -#: git-gui.sh:3362 +#: git-gui.sh:3633 msgid "Visualize All Branch History In The Submodule" msgstr "サブモジュール内で全てのブランチの履歴を見る" -#: git-gui.sh:3367 +#: git-gui.sh:3638 msgid "Start git gui In The Submodule" msgstr "サブモジュール内でgit guiを起動する" -#: git-gui.sh:3389 +#: git-gui.sh:3673 msgid "Unstage Hunk From Commit" msgstr "パッチをコミット予定から外す" -#: git-gui.sh:3391 +#: git-gui.sh:3675 msgid "Unstage Lines From Commit" msgstr "コミット予定から行を外す" -#: git-gui.sh:3393 +#: git-gui.sh:3677 msgid "Unstage Line From Commit" msgstr "コミット予定から行を外す" -#: git-gui.sh:3396 +#: git-gui.sh:3680 msgid "Stage Hunk For Commit" msgstr "パッチをコミット予定に加える" -#: git-gui.sh:3398 +#: git-gui.sh:3682 msgid "Stage Lines For Commit" msgstr "パッチ行をコミット予定に加える" -#: git-gui.sh:3400 +#: git-gui.sh:3684 msgid "Stage Line For Commit" msgstr "パッチ行をコミット予定に加える" -#: git-gui.sh:3424 +#: git-gui.sh:3709 msgid "Initializing..." msgstr "初期化しています…" -#: git-gui.sh:3541 +#: git-gui.sh:3852 #, tcl-format msgid "" "Possible environment issues exist.\n" @@ -543,7 +573,7 @@ msgstr "" "以下の環境変数は %s が起動する Git サブプロセスによって無視されるでしょう:\n" "\n" -#: git-gui.sh:3570 +#: git-gui.sh:3881 msgid "" "\n" "This is due to a known issue with the\n" @@ -553,7 +583,7 @@ msgstr "" "これは Cygwin で配布されている Tcl バイナリに\n" "関しての既知の問題によります" -#: git-gui.sh:3575 +#: git-gui.sh:3886 #, tcl-format msgid "" "\n" @@ -568,249 +598,294 @@ msgstr "" "個人的な ~/.gitconfig ファイル内で user.name と user.email の値を設定\n" "するのが、%s の良い代用となります\n" -#: lib/about.tcl:26 -msgid "git-gui - a graphical user interface for Git." -msgstr "Git のグラフィカルUI git-gui" - -#: lib/blame.tcl:72 -msgid "File Viewer" -msgstr "ファイルピューワ" - -#: lib/blame.tcl:78 -msgid "Commit:" -msgstr "コミット:" - -#: lib/blame.tcl:271 -msgid "Copy Commit" -msgstr "コミットをコピー" - -#: lib/blame.tcl:275 -msgid "Find Text..." -msgstr "テキストを検索" - -#: lib/blame.tcl:284 -msgid "Do Full Copy Detection" -msgstr "コピー検知" - -#: lib/blame.tcl:288 -msgid "Show History Context" -msgstr "文脈を見せる" +#: lib/merge.tcl:13 +msgid "" +"Cannot merge while amending.\n" +"\n" +"You must finish amending this commit before starting any type of merge.\n" +msgstr "" +"訂正中にはマージできません。\n" +"\n" +"訂正処理を完了するまでは新たにマージを開始できません。\n" -#: lib/blame.tcl:291 -msgid "Blame Parent Commit" -msgstr "親コミットを註釈" +#: lib/merge.tcl:27 +msgid "" +"Last scanned state does not match repository state.\n" +"\n" +"Another Git program has modified this repository since the last scan. A " +"rescan must be performed before a merge can be performed.\n" +"\n" +"The rescan will be automatically started now.\n" +msgstr "" +"最後にスキャンした状態はリポジトリの状態と合致しません。\n" +"\n" +"最後にスキャンして以後、別の Git プログラムがリポジトリを変更しています。マー" +"ジを開始する前に、再スキャンが必要です。\n" +"\n" +"自動的に再スキャンを開始します。\n" -#: lib/blame.tcl:450 +#: lib/merge.tcl:45 #, tcl-format -msgid "Reading %s..." -msgstr "%s を読んでいます…" - -#: lib/blame.tcl:557 -msgid "Loading copy/move tracking annotations..." -msgstr "コピー・移動追跡データを読んでいます…" - -#: lib/blame.tcl:577 -msgid "lines annotated" -msgstr "行を注釈しました" +msgid "" +"You are in the middle of a conflicted merge.\n" +"\n" +"File %s has merge conflicts.\n" +"\n" +"You must resolve them, stage the file, and commit to complete the current " +"merge. Only then can you begin another merge.\n" +msgstr "" +"衝突のあったマージの途中です。\n" +"\n" +"ファイル %s にはマージ中の衝突が残っています。\n" +"\n" +"このファイルの衝突を解決し、コミット予定に加えて、コミットすることでマージを" +"完了します。そうやって始めて、新たなマージを開始できるようになります。\n" -#: lib/blame.tcl:769 -msgid "Loading original location annotations..." -msgstr "元位置行の注釈データを読んでいます…" +#: lib/merge.tcl:55 +#, tcl-format +msgid "" +"You are in the middle of a change.\n" +"\n" +"File %s is modified.\n" +"\n" +"You should complete the current commit before starting a merge. Doing so " +"will help you abort a failed merge, should the need arise.\n" +msgstr "" +"変更の途中です。\n" +"\n" +"ファイル %s は変更中です。\n" +"\n" +"現在のコミットを完了してからマージを開始して下さい。そうする方がマージに失敗" +"したときの回復が楽です。\n" -#: lib/blame.tcl:772 -msgid "Annotation complete." -msgstr "注釈完了しました" +#: lib/merge.tcl:108 +#, tcl-format +msgid "%s of %s" +msgstr "%s の %s ブランチ" -#: lib/blame.tcl:802 -msgid "Busy" -msgstr "実行中" +#: lib/merge.tcl:122 +#, tcl-format +msgid "Merging %s and %s..." +msgstr "%s と %s をマージ中・・・" -#: lib/blame.tcl:803 -msgid "Annotation process is already running." -msgstr "すでに blame プロセスを実行中です。" +#: lib/merge.tcl:133 +msgid "Merge completed successfully." +msgstr "マージが完了しました" -#: lib/blame.tcl:842 -msgid "Running thorough copy detection..." -msgstr "コピー検知を実行中…" +#: lib/merge.tcl:135 +msgid "Merge failed. Conflict resolution is required." +msgstr "マージが失敗しました。衝突の解決が必要です。" -#: lib/blame.tcl:910 -msgid "Loading annotation..." -msgstr "注釈を読み込んでいます…" +#: lib/merge.tcl:160 +#, tcl-format +msgid "Merge Into %s" +msgstr "%s にマージ" -#: lib/blame.tcl:963 -msgid "Author:" -msgstr "作者:" +#: lib/merge.tcl:166 lib/checkout_op.tcl:567 lib/tools_dlg.tcl:336 +msgid "Visualize" +msgstr "可視化" -#: lib/blame.tcl:967 -msgid "Committer:" -msgstr "コミット者:" +#: lib/merge.tcl:174 lib/remote_branch_delete.tcl:43 lib/branch_delete.tcl:34 +#: lib/checkout_op.tcl:579 lib/branch_rename.tcl:32 lib/tools_dlg.tcl:41 +#: lib/tools_dlg.tcl:202 lib/tools_dlg.tcl:345 lib/option.tcl:127 +#: lib/transport.tcl:141 lib/choose_font.tcl:45 lib/branch_checkout.tcl:30 +#: lib/browser.tcl:292 lib/remote_add.tcl:34 lib/branch_create.tcl:37 +msgid "Cancel" +msgstr "中止" -#: lib/blame.tcl:972 -msgid "Original File:" -msgstr "元ファイル" +#: lib/merge.tcl:179 +msgid "Revision To Merge" +msgstr "マージするリビジョン" -#: lib/blame.tcl:1020 -msgid "Cannot find HEAD commit:" -msgstr "HEAD コミットが見つかりません" +#: lib/merge.tcl:214 +msgid "" +"Cannot abort while amending.\n" +"\n" +"You must finish amending this commit.\n" +msgstr "" +"訂正中には中止できません。\n" +"\n" +"まず今のコミット訂正を完了させて下さい。\n" -#: lib/blame.tcl:1075 -msgid "Cannot find parent commit:" -msgstr "親コミットが見つかりません:" +#: lib/merge.tcl:224 +msgid "" +"Abort merge?\n" +"\n" +"Aborting the current merge will cause *ALL* uncommitted changes to be lost.\n" +"\n" +"Continue with aborting the current merge?" +msgstr "" +"マージを中断しますか？\n" +"\n" +"現在のマージを中断すると、コミットしていない全ての変更が失われます。\n" +"\n" +"マージを中断してよろしいですか？" -#: lib/blame.tcl:1090 -msgid "Unable to display parent" -msgstr "親を表示できません" +#: lib/merge.tcl:230 +msgid "" +"Reset changes?\n" +"\n" +"Resetting the changes will cause *ALL* uncommitted changes to be lost.\n" +"\n" +"Continue with resetting the current changes?" +msgstr "" +"変更点をリセットしますか？\n" +"\n" +"変更点をリセットすると、コミットしていない全ての変更が失われます。\n" +"\n" +"リセットしてよろしいですか？" -#: lib/blame.tcl:1091 lib/diff.tcl:320 -msgid "Error loading diff:" -msgstr "diff を読む際のエラーです:" +#: lib/merge.tcl:241 +msgid "Aborting" +msgstr "中断しています" -#: lib/blame.tcl:1231 -msgid "Originally By:" -msgstr "原作者:" +#: lib/merge.tcl:241 +msgid "files reset" +msgstr "リセットしたファイル" -#: lib/blame.tcl:1237 -msgid "In File:" -msgstr "ファイル:" +#: lib/merge.tcl:269 +msgid "Abort failed." +msgstr "中断に失敗しました。" -#: lib/blame.tcl:1242 -msgid "Copied Or Moved Here By:" -msgstr "複写・移動者:" +#: lib/merge.tcl:271 +msgid "Abort completed. Ready." +msgstr "中断完了。" -#: lib/branch_checkout.tcl:14 lib/branch_checkout.tcl:19 -msgid "Checkout Branch" -msgstr "ブランチをチェックアウト" +#: lib/error.tcl:20 lib/error.tcl:116 +msgid "error" +msgstr "エラー" -#: lib/branch_checkout.tcl:23 -msgid "Checkout" -msgstr "チェックアウト" +#: lib/error.tcl:36 +msgid "warning" +msgstr "警告" -#: lib/branch_checkout.tcl:27 lib/branch_create.tcl:35 -#: lib/branch_delete.tcl:32 lib/branch_rename.tcl:30 lib/browser.tcl:282 -#: lib/checkout_op.tcl:579 lib/choose_font.tcl:43 lib/merge.tcl:172 -#: lib/option.tcl:125 lib/remote_add.tcl:32 lib/remote_branch_delete.tcl:42 -#: lib/tools_dlg.tcl:40 lib/tools_dlg.tcl:204 lib/tools_dlg.tcl:352 -#: lib/transport.tcl:108 -msgid "Cancel" -msgstr "中止" +#: lib/error.tcl:96 +msgid "You must correct the above errors before committing." +msgstr "コミットする前に、以上のエラーを修正して下さい" -#: lib/branch_checkout.tcl:32 lib/browser.tcl:287 lib/tools_dlg.tcl:328 -msgid "Revision" -msgstr "リビジョン" +#: lib/date.tcl:25 +#, tcl-format +msgid "Invalid date from Git: %s" +msgstr "Git から出た無効な日付: %s" -#: lib/branch_checkout.tcl:36 lib/branch_create.tcl:69 lib/option.tcl:280 -msgid "Options" -msgstr "オプション" +#: lib/encoding.tcl:443 +msgid "Default" +msgstr "デフォールト" -#: lib/branch_checkout.tcl:39 lib/branch_create.tcl:92 -msgid "Fetch Tracking Branch" -msgstr "トラッキング・ブランチをフェッチ" +#: lib/encoding.tcl:448 +#, tcl-format +msgid "System (%s)" +msgstr "システム (%s)" -#: lib/branch_checkout.tcl:44 -msgid "Detach From Local Branch" -msgstr "ローカル・ブランチから削除" +#: lib/encoding.tcl:459 lib/encoding.tcl:465 +msgid "Other" +msgstr "その他" -#: lib/branch_create.tcl:22 -msgid "Create Branch" -msgstr "ブランチを作成" +#: lib/remote_branch_delete.tcl:29 lib/remote_branch_delete.tcl:34 +msgid "Delete Branch Remotely" +msgstr "リモートブランチ削除" -#: lib/branch_create.tcl:27 -msgid "Create New Branch" -msgstr "ブランチを新規作成" +#: lib/remote_branch_delete.tcl:48 +msgid "From Repository" +msgstr "元のリポジトリ" -#: lib/branch_create.tcl:31 lib/choose_repository.tcl:381 -msgid "Create" -msgstr "作成" +#: lib/remote_branch_delete.tcl:51 lib/transport.tcl:165 +msgid "Remote:" +msgstr "リモート:" -#: lib/branch_create.tcl:40 -msgid "Branch Name" -msgstr "ブランチ名" +#: lib/remote_branch_delete.tcl:72 lib/transport.tcl:187 +msgid "Arbitrary Location:" +msgstr "任意の位置:" -#: lib/branch_create.tcl:43 lib/remote_add.tcl:39 lib/tools_dlg.tcl:50 -msgid "Name:" -msgstr "名前:" +#: lib/remote_branch_delete.tcl:88 +msgid "Branches" +msgstr "ブランチ" -#: lib/branch_create.tcl:58 -msgid "Match Tracking Branch Name" -msgstr "トラッキング・ブランチ名を合わせる" +#: lib/remote_branch_delete.tcl:110 +msgid "Delete Only If" +msgstr "条件付で削除" -#: lib/branch_create.tcl:66 -msgid "Starting Revision" -msgstr "初期リビジョン" +#: lib/remote_branch_delete.tcl:112 +msgid "Merged Into:" +msgstr "マージ先:" -#: lib/branch_create.tcl:72 -msgid "Update Existing Branch:" -msgstr "既存のブランチを更新:" +#: lib/remote_branch_delete.tcl:120 lib/branch_delete.tcl:53 +msgid "Always (Do not perform merge checks)" +msgstr "無条件（マージ検査をしない）" -#: lib/branch_create.tcl:75 -msgid "No" -msgstr "いいえ" +#: lib/remote_branch_delete.tcl:153 +msgid "A branch is required for 'Merged Into'." +msgstr "'マージ先' にはブランチが必要です。" -#: lib/branch_create.tcl:80 -msgid "Fast Forward Only" -msgstr "早送りのみ" +#: lib/remote_branch_delete.tcl:185 +#, tcl-format +msgid "" +"The following branches are not completely merged into %s:\n" +"\n" +" - %s" +msgstr "" +"以下のブランチは %s に完全にマージされていません:\n" +"\n" +" - %s" -#: lib/branch_create.tcl:85 lib/checkout_op.tcl:571 -msgid "Reset" -msgstr "リセット" +#: lib/remote_branch_delete.tcl:190 +#, tcl-format +msgid "" +"One or more of the merge tests failed because you have not fetched the " +"necessary commits. Try fetching from %s first." +msgstr "" +"必要なコミットが不足しているために、マージ検査が失敗しました。まず %s から" +"フェッチして下さい。" -#: lib/branch_create.tcl:97 -msgid "Checkout After Creation" -msgstr "作成してすぐチェックアウト" +#: lib/remote_branch_delete.tcl:208 +msgid "Please select one or more branches to delete." +msgstr "削除するブランチを選択して下さい。" -#: lib/branch_create.tcl:131 -msgid "Please select a tracking branch." -msgstr "トラッキング・ブランチを選択して下さい。" +#: lib/remote_branch_delete.tcl:218 lib/branch_delete.tcl:115 +msgid "" +"Recovering deleted branches is difficult.\n" +"\n" +"Delete the selected branches?" +msgstr "" +"削除したブランチを回復するのは困難です。\n" +"\n" +"選択したブランチを削除して良いですか？" -#: lib/branch_create.tcl:140 +#: lib/remote_branch_delete.tcl:227 #, tcl-format -msgid "Tracking branch %s is not a branch in the remote repository." -msgstr "トラッキング・ブランチ %s は遠隔リポジトリのブランチではありません。" +msgid "Deleting branches from %s" +msgstr "%s からブランチを削除しています。" -#: lib/branch_create.tcl:153 lib/branch_rename.tcl:86 -msgid "Please supply a branch name." -msgstr "ブランチ名を指定して下さい。" +#: lib/remote_branch_delete.tcl:300 +msgid "No repository selected." +msgstr "リポジトリが選択されていません。" -#: lib/branch_create.tcl:164 lib/branch_rename.tcl:106 +#: lib/remote_branch_delete.tcl:305 #, tcl-format -msgid "'%s' is not an acceptable branch name." -msgstr "'%s' はブランチ名に使えません。" +msgid "Scanning %s..." +msgstr "%s をスキャンしています…" -#: lib/branch_delete.tcl:15 +#: lib/branch_delete.tcl:16 msgid "Delete Branch" msgstr "ブランチ削除" -#: lib/branch_delete.tcl:20 +#: lib/branch_delete.tcl:21 msgid "Delete Local Branch" msgstr "ローカル・ブランチを削除" -#: lib/branch_delete.tcl:37 +#: lib/branch_delete.tcl:39 msgid "Local Branches" msgstr "ローカル・ブランチ" -#: lib/branch_delete.tcl:52 +#: lib/branch_delete.tcl:51 msgid "Delete Only If Merged Into" msgstr "マージ済みの時のみ削除" -#: lib/branch_delete.tcl:54 lib/remote_branch_delete.tcl:119 -msgid "Always (Do not perform merge checks)" -msgstr "無条件（マージ検査をしない）" - #: lib/branch_delete.tcl:103 #, tcl-format msgid "The following branches are not completely merged into %s:" msgstr "以下のブランチは %s に完全にマージされていません:" -#: lib/branch_delete.tcl:115 lib/remote_branch_delete.tcl:217 -msgid "" -"Recovering deleted branches is difficult.\n" -"\n" -"Delete the selected branches?" -msgstr "" -"削除したブランチを回復するのは困難です。\n" -"\n" -"選択したブランチを削除して良いですか？" - #: lib/branch_delete.tcl:141 #, tcl-format msgid "" @@ -820,62 +895,63 @@ msgstr "" "以下のブランチを削除できません:\n" "%s" -#: lib/branch_rename.tcl:14 lib/branch_rename.tcl:22 -msgid "Rename Branch" -msgstr "ブランチの名前変更" +#: lib/choose_rev.tcl:52 +msgid "This Detached Checkout" +msgstr "分離されたチェックアウト" -#: lib/branch_rename.tcl:26 -msgid "Rename" -msgstr "名前変更" +#: lib/choose_rev.tcl:60 +msgid "Revision Expression:" +msgstr "リビジョン式:" -#: lib/branch_rename.tcl:36 -msgid "Branch:" -msgstr "ブランチ:" +#: lib/choose_rev.tcl:72 +msgid "Local Branch" +msgstr "ローカル・ブランチ" -#: lib/branch_rename.tcl:39 -msgid "New Name:" -msgstr "新しい名前:" +#: lib/choose_rev.tcl:77 +msgid "Tracking Branch" +msgstr "トラッキング・ブランチ" -#: lib/branch_rename.tcl:75 -msgid "Please select a branch to rename." -msgstr "名前を変更するブランチを選んで下さい。" +#: lib/choose_rev.tcl:82 lib/choose_rev.tcl:544 +msgid "Tag" +msgstr "タグ" -#: lib/branch_rename.tcl:96 lib/checkout_op.tcl:202 +#: lib/choose_rev.tcl:321 #, tcl-format -msgid "Branch '%s' already exists." -msgstr "'%s'というブランチは既に存在します。" +msgid "Invalid revision: %s" +msgstr "無効なリビジョン: %s" -#: lib/branch_rename.tcl:117 -#, tcl-format -msgid "Failed to rename '%s'." -msgstr "'%s'の名前変更に失敗しました。" +#: lib/choose_rev.tcl:342 +msgid "No revision selected." +msgstr "リビジョンが未選択です。" -#: lib/browser.tcl:17 -msgid "Starting..." -msgstr "起動中…" +#: lib/choose_rev.tcl:350 +msgid "Revision expression is empty." +msgstr "リビジョン式が空です。" -#: lib/browser.tcl:26 -msgid "File Browser" -msgstr "ファイル・ブラウザ" +#: lib/choose_rev.tcl:537 +msgid "Updated" +msgstr "更新しました" -#: lib/browser.tcl:126 lib/browser.tcl:143 -#, tcl-format -msgid "Loading %s..." -msgstr "%s をロード中…" +#: lib/choose_rev.tcl:565 +msgid "URL" +msgstr "URL" -#: lib/browser.tcl:187 -msgid "[Up To Parent]" -msgstr "[上位フォルダへ]" +#: lib/console.tcl:59 +msgid "Working... please wait..." +msgstr "実行中…お待ち下さい…" -#: lib/browser.tcl:267 lib/browser.tcl:273 -msgid "Browse Branch Files" -msgstr "現在のブランチのファイルを見る" +#: lib/console.tcl:81 lib/checkout_op.tcl:146 lib/database.tcl:30 +#: lib/sshkey.tcl:55 +msgid "Close" +msgstr "閉じる" -#: lib/browser.tcl:278 lib/choose_repository.tcl:398 -#: lib/choose_repository.tcl:486 lib/choose_repository.tcl:497 -#: lib/choose_repository.tcl:1028 -msgid "Browse" -msgstr "ブラウズ" +#: lib/console.tcl:186 +msgid "Success" +msgstr "成功" + +#: lib/console.tcl:200 +msgid "Error: Command Failed" +msgstr "エラー: コマンドが失敗しました" #: lib/checkout_op.tcl:85 #, tcl-format @@ -887,11 +963,6 @@ msgstr "%s から %s をフェッチしています" msgid "fatal: Cannot resolve %s" msgstr "致命的エラー: %s を解決できません" -#: lib/checkout_op.tcl:146 lib/console.tcl:81 lib/database.tcl:31 -#: lib/sshkey.tcl:53 -msgid "Close" -msgstr "閉じる" - #: lib/checkout_op.tcl:175 #, tcl-format msgid "Branch '%s' does not exist." @@ -902,6 +973,11 @@ msgstr "ブランチ'%s'は存在しません。" msgid "Failed to configure simplified git-pull for '%s'." msgstr "'%s' に簡易 git-pull を設定できませんでした" +#: lib/checkout_op.tcl:202 lib/branch_rename.tcl:102 +#, tcl-format +msgid "Branch '%s' already exists." +msgstr "'%s'というブランチは既に存在します。" + #: lib/checkout_op.tcl:229 #, tcl-format msgid "" @@ -999,9 +1075,9 @@ msgstr "失なわれたコミットを回復するのは簡単ではありませ msgid "Reset '%s'?" msgstr "'%s' をリセットしますか？" -#: lib/checkout_op.tcl:567 lib/merge.tcl:164 lib/tools_dlg.tcl:343 -msgid "Visualize" -msgstr "可視化" +#: lib/checkout_op.tcl:571 lib/branch_create.tcl:85 +msgid "Reset" +msgstr "リセット" #: lib/checkout_op.tcl:635 #, tcl-format @@ -1019,509 +1095,838 @@ msgstr "" "ましたが、 Git の内部データを更新できませんでした。\n" "起こるはずのないエラーです。あきらめて %s を終了します。" -#: lib/choose_font.tcl:39 -msgid "Select" -msgstr "選択" +#: lib/blame.tcl:73 +msgid "File Viewer" +msgstr "ファイルピューワ" -#: lib/choose_font.tcl:53 -msgid "Font Family" -msgstr "フォント・ファミリー" +#: lib/blame.tcl:79 +msgid "Commit:" +msgstr "コミット:" -#: lib/choose_font.tcl:74 -msgid "Font Size" -msgstr "フォントの大きさ" +#: lib/blame.tcl:280 +msgid "Copy Commit" +msgstr "コミットをコピー" -#: lib/choose_font.tcl:91 -msgid "Font Example" -msgstr "フォント・サンプル" +#: lib/blame.tcl:284 +msgid "Find Text..." +msgstr "テキストを検索" -#: lib/choose_font.tcl:103 -msgid "" -"This is example text.\n" -"If you like this text, it can be your font." -msgstr "" -"これはサンプル文です。\n" -"このフォントが気に入ればお使いになれます。" +#: lib/blame.tcl:288 +msgid "Goto Line..." +msgstr "指定行に移動…" + +#: lib/blame.tcl:297 +msgid "Do Full Copy Detection" +msgstr "コピー検知" + +#: lib/blame.tcl:301 +msgid "Show History Context" +msgstr "文脈を見せる" + +#: lib/blame.tcl:304 +msgid "Blame Parent Commit" +msgstr "親コミットを注釈" + +#: lib/blame.tcl:466 +#, tcl-format +msgid "Reading %s..." +msgstr "%s を読んでいます…" + +#: lib/blame.tcl:594 +msgid "Loading copy/move tracking annotations..." +msgstr "コピー・移動追跡データを読んでいます…" + +#: lib/blame.tcl:614 +msgid "lines annotated" +msgstr "行を注釈しました" + +#: lib/blame.tcl:806 +msgid "Loading original location annotations..." +msgstr "元位置行の注釈データを読んでいます…" + +#: lib/blame.tcl:809 +msgid "Annotation complete." +msgstr "注釈完了しました" + +#: lib/blame.tcl:839 +msgid "Busy" +msgstr "実行中" + +#: lib/blame.tcl:840 +msgid "Annotation process is already running." +msgstr "すでに blame プロセスを実行中です。" + +#: lib/blame.tcl:879 +msgid "Running thorough copy detection..." +msgstr "コピー検知を実行中…" + +#: lib/blame.tcl:947 +msgid "Loading annotation..." +msgstr "注釈を読み込んでいます…" -#: lib/choose_repository.tcl:28 +#: lib/blame.tcl:1000 +msgid "Author:" +msgstr "作者:" + +#: lib/blame.tcl:1004 +msgid "Committer:" +msgstr "コミット者:" + +#: lib/blame.tcl:1009 +msgid "Original File:" +msgstr "元ファイル" + +#: lib/blame.tcl:1057 +msgid "Cannot find HEAD commit:" +msgstr "HEAD コミットが見つかりません" + +#: lib/blame.tcl:1112 +msgid "Cannot find parent commit:" +msgstr "親コミットが見つかりません:" + +#: lib/blame.tcl:1127 +msgid "Unable to display parent" +msgstr "親を表示できません" + +#: lib/blame.tcl:1128 lib/diff.tcl:356 +msgid "Error loading diff:" +msgstr "diff を読む際のエラーです:" + +#: lib/blame.tcl:1269 +msgid "Originally By:" +msgstr "原作者:" + +#: lib/blame.tcl:1275 +msgid "In File:" +msgstr "ファイル:" + +#: lib/blame.tcl:1280 +msgid "Copied Or Moved Here By:" +msgstr "複写・移動者:" + +#: lib/about.tcl:26 +msgid "git-gui - a graphical user interface for Git." +msgstr "Git のグラフィカルUI git-gui" + +#: lib/choose_repository.tcl:33 msgid "Git Gui" msgstr "Git GUI" -#: lib/choose_repository.tcl:87 lib/choose_repository.tcl:386 +#: lib/choose_repository.tcl:92 lib/choose_repository.tcl:412 msgid "Create New Repository" msgstr "新しいリポジトリを作る" -#: lib/choose_repository.tcl:93 +#: lib/choose_repository.tcl:98 msgid "New..." msgstr "新規…" -#: lib/choose_repository.tcl:100 lib/choose_repository.tcl:471 +#: lib/choose_repository.tcl:105 lib/choose_repository.tcl:496 msgid "Clone Existing Repository" msgstr "既存リポジトリを複製する" -#: lib/choose_repository.tcl:106 +#: lib/choose_repository.tcl:116 msgid "Clone..." msgstr "複製…" -#: lib/choose_repository.tcl:113 lib/choose_repository.tcl:1016 +#: lib/choose_repository.tcl:123 lib/choose_repository.tcl:1064 msgid "Open Existing Repository" msgstr "既存リポジトリを開く" -#: lib/choose_repository.tcl:119 +#: lib/choose_repository.tcl:129 msgid "Open..." msgstr "開く…" -#: lib/choose_repository.tcl:132 +#: lib/choose_repository.tcl:142 msgid "Recent Repositories" msgstr "最近使ったリポジトリ" -#: lib/choose_repository.tcl:138 +#: lib/choose_repository.tcl:148 msgid "Open Recent Repository:" msgstr "最近使ったリポジトリを開く" -#: lib/choose_repository.tcl:306 lib/choose_repository.tcl:313 -#: lib/choose_repository.tcl:320 +#: lib/choose_repository.tcl:316 lib/choose_repository.tcl:323 +#: lib/choose_repository.tcl:330 #, tcl-format msgid "Failed to create repository %s:" msgstr "リポジトリ %s を作製できません:" -#: lib/choose_repository.tcl:391 +#: lib/choose_repository.tcl:407 lib/branch_create.tcl:33 +msgid "Create" +msgstr "作成" + +#: lib/choose_repository.tcl:417 msgid "Directory:" msgstr "ディレクトリ:" -#: lib/choose_repository.tcl:423 lib/choose_repository.tcl:550 -#: lib/choose_repository.tcl:1052 +#: lib/choose_repository.tcl:422 lib/choose_repository.tcl:509 +#: lib/choose_repository.tcl:518 lib/choose_repository.tcl:1074 +#: lib/browser.tcl:288 +msgid "Browse" +msgstr "ブラウズ" + +#: lib/choose_repository.tcl:447 lib/choose_repository.tcl:573 +#: lib/choose_repository.tcl:1098 msgid "Git Repository" msgstr "GIT リポジトリ" -#: lib/choose_repository.tcl:448 +#: lib/choose_repository.tcl:472 #, tcl-format msgid "Directory %s already exists." msgstr "ディレクトリ '%s' は既に存在します。" -#: lib/choose_repository.tcl:452 +#: lib/choose_repository.tcl:476 #, tcl-format msgid "File %s already exists." msgstr "ファイル '%s' は既に存在します。" -#: lib/choose_repository.tcl:466 +#: lib/choose_repository.tcl:491 msgid "Clone" msgstr "複製" -#: lib/choose_repository.tcl:479 +#: lib/choose_repository.tcl:504 msgid "Source Location:" msgstr "ソースの位置" -#: lib/choose_repository.tcl:490 +#: lib/choose_repository.tcl:513 msgid "Target Directory:" msgstr "先ディレクトリ:" -#: lib/choose_repository.tcl:502 +#: lib/choose_repository.tcl:523 msgid "Clone Type:" msgstr "複製方式:" -#: lib/choose_repository.tcl:508 +#: lib/choose_repository.tcl:528 msgid "Standard (Fast, Semi-Redundant, Hardlinks)" msgstr "標準(高速・中冗長度・ハードリンク)" -#: lib/choose_repository.tcl:514 +#: lib/choose_repository.tcl:533 msgid "Full Copy (Slower, Redundant Backup)" msgstr "全複写(低速・冗長バックアップ)" -#: lib/choose_repository.tcl:520 +#: lib/choose_repository.tcl:538 msgid "Shared (Fastest, Not Recommended, No Backup)" msgstr "共有(最高速・非推奨・バックアップ無し)" -#: lib/choose_repository.tcl:556 lib/choose_repository.tcl:603 -#: lib/choose_repository.tcl:749 lib/choose_repository.tcl:819 -#: lib/choose_repository.tcl:1058 lib/choose_repository.tcl:1066 +#: lib/choose_repository.tcl:545 +msgid "Recursively clone submodules too" +msgstr "サブモジュールも再帰的に複製する" + +#: lib/choose_repository.tcl:579 lib/choose_repository.tcl:626 +#: lib/choose_repository.tcl:772 lib/choose_repository.tcl:842 +#: lib/choose_repository.tcl:1104 lib/choose_repository.tcl:1112 #, tcl-format msgid "Not a Git repository: %s" msgstr "Git リポジトリではありません: %s" -#: lib/choose_repository.tcl:592 +#: lib/choose_repository.tcl:615 msgid "Standard only available for local repository." msgstr "標準方式は同一計算機上のリポジトリにのみ使えます。" -#: lib/choose_repository.tcl:596 +#: lib/choose_repository.tcl:619 msgid "Shared only available for local repository." msgstr "共有方式は同一計算機上のリポジトリにのみ使えます。" -#: lib/choose_repository.tcl:617 +#: lib/choose_repository.tcl:640 #, tcl-format msgid "Location %s already exists." msgstr "'%s' は既に存在します。" -#: lib/choose_repository.tcl:628 +#: lib/choose_repository.tcl:651 msgid "Failed to configure origin" msgstr "origin を設定できませんでした" -#: lib/choose_repository.tcl:640 +#: lib/choose_repository.tcl:663 msgid "Counting objects" msgstr "オブジェクトを数えています" -#: lib/choose_repository.tcl:641 +#: lib/choose_repository.tcl:664 msgid "buckets" msgstr "バケツ" -#: lib/choose_repository.tcl:665 +#: lib/choose_repository.tcl:688 #, tcl-format msgid "Unable to copy objects/info/alternates: %s" msgstr "objects/info/alternates を複写できません: %s" -#: lib/choose_repository.tcl:701 +#: lib/choose_repository.tcl:724 #, tcl-format msgid "Nothing to clone from %s." msgstr "%s から複製する内容はありません" -#: lib/choose_repository.tcl:703 lib/choose_repository.tcl:917 -#: lib/choose_repository.tcl:929 +#: lib/choose_repository.tcl:726 lib/choose_repository.tcl:940 +#: lib/choose_repository.tcl:952 msgid "The 'master' branch has not been initialized." msgstr "'master' ブランチが初期化されていません" -#: lib/choose_repository.tcl:716 +#: lib/choose_repository.tcl:739 msgid "Hardlinks are unavailable. Falling back to copying." msgstr "ハードリンクが作れないので、コピーします" -#: lib/choose_repository.tcl:728 +#: lib/choose_repository.tcl:751 #, tcl-format msgid "Cloning from %s" msgstr "%s から複製しています" -#: lib/choose_repository.tcl:759 +#: lib/choose_repository.tcl:782 msgid "Copying objects" msgstr "オブジェクトを複写しています" -#: lib/choose_repository.tcl:760 +#: lib/choose_repository.tcl:783 msgid "KiB" msgstr "KiB" -#: lib/choose_repository.tcl:784 +#: lib/choose_repository.tcl:807 #, tcl-format msgid "Unable to copy object: %s" msgstr "オブジェクトを複写できません: %s" -#: lib/choose_repository.tcl:794 +#: lib/choose_repository.tcl:817 msgid "Linking objects" msgstr "オブジェクトを連結しています" -#: lib/choose_repository.tcl:795 +#: lib/choose_repository.tcl:818 msgid "objects" msgstr "オブジェクト" -#: lib/choose_repository.tcl:803 +#: lib/choose_repository.tcl:826 #, tcl-format msgid "Unable to hardlink object: %s" msgstr "オブジェクトをハードリンクできません: %s" -#: lib/choose_repository.tcl:858 +#: lib/choose_repository.tcl:881 msgid "Cannot fetch branches and objects. See console output for details." msgstr "ブランチやオブジェクトを取得できません。コンソール出力を見て下さい" -#: lib/choose_repository.tcl:869 +#: lib/choose_repository.tcl:892 msgid "Cannot fetch tags. See console output for details." msgstr "タグを取得できません。コンソール出力を見て下さい" -#: lib/choose_repository.tcl:893 +#: lib/choose_repository.tcl:916 msgid "Cannot determine HEAD. See console output for details." msgstr "HEAD を確定できません。コンソール出力を見て下さい" -#: lib/choose_repository.tcl:902 +#: lib/choose_repository.tcl:925 #, tcl-format msgid "Unable to cleanup %s" msgstr "%s を掃除できません" -#: lib/choose_repository.tcl:908 +#: lib/choose_repository.tcl:931 msgid "Clone failed." msgstr "複写に失敗しました。" -#: lib/choose_repository.tcl:915 +#: lib/choose_repository.tcl:938 msgid "No default branch obtained." msgstr "デフォールト・ブランチが取得されませんでした" -#: lib/choose_repository.tcl:926 +#: lib/choose_repository.tcl:949 #, tcl-format msgid "Cannot resolve %s as a commit." msgstr "%s をコミットとして解釈できません" -#: lib/choose_repository.tcl:938 +#: lib/choose_repository.tcl:961 msgid "Creating working directory" msgstr "作業ディレクトリを作成しています" -#: lib/choose_repository.tcl:939 lib/index.tcl:67 lib/index.tcl:130 -#: lib/index.tcl:198 +#: lib/choose_repository.tcl:962 lib/index.tcl:70 lib/index.tcl:136 +#: lib/index.tcl:207 msgid "files" msgstr "ファイル" -#: lib/choose_repository.tcl:968 +#: lib/choose_repository.tcl:981 +msgid "Cannot clone submodules." +msgstr "サブモジュールが複製できません。" + +#: lib/choose_repository.tcl:990 +msgid "Cloning submodules" +msgstr "サブモジュールを複製しています" + +#: lib/choose_repository.tcl:1015 msgid "Initial file checkout failed." msgstr "初期チェックアウトに失敗しました" -#: lib/choose_repository.tcl:1011 +#: lib/choose_repository.tcl:1059 msgid "Open" msgstr "開く" -#: lib/choose_repository.tcl:1021 +#: lib/choose_repository.tcl:1069 msgid "Repository:" msgstr "リポジトリ:" -#: lib/choose_repository.tcl:1072 +#: lib/choose_repository.tcl:1118 #, tcl-format msgid "Failed to open repository %s:" msgstr "リポジトリ %s を開けません:" -#: lib/choose_rev.tcl:53 -msgid "This Detached Checkout" -msgstr "分離されたチェックアウト" +#: lib/branch_rename.tcl:15 lib/branch_rename.tcl:23 +msgid "Rename Branch" +msgstr "ブランチの名前変更" -#: lib/choose_rev.tcl:60 -msgid "Revision Expression:" -msgstr "リビジョン式:" +#: lib/branch_rename.tcl:28 +msgid "Rename" +msgstr "名前変更" -#: lib/choose_rev.tcl:74 -msgid "Local Branch" -msgstr "ローカル・ブランチ" +#: lib/branch_rename.tcl:38 +msgid "Branch:" +msgstr "ブランチ:" -#: lib/choose_rev.tcl:79 -msgid "Tracking Branch" -msgstr "トラッキング・ブランチ" +#: lib/branch_rename.tcl:46 +msgid "New Name:" +msgstr "新しい名前:" -#: lib/choose_rev.tcl:84 lib/choose_rev.tcl:538 -msgid "Tag" -msgstr "タグ" +#: lib/branch_rename.tcl:81 +msgid "Please select a branch to rename." +msgstr "名前を変更するブランチを選んで下さい。" + +#: lib/branch_rename.tcl:92 lib/branch_create.tcl:154 +msgid "Please supply a branch name." +msgstr "ブランチ名を指定して下さい。" -#: lib/choose_rev.tcl:317 +#: lib/branch_rename.tcl:112 lib/branch_create.tcl:165 #, tcl-format -msgid "Invalid revision: %s" -msgstr "無効なリビジョン: %s" +msgid "'%s' is not an acceptable branch name." +msgstr "'%s' はブランチ名に使えません。" -#: lib/choose_rev.tcl:338 -msgid "No revision selected." -msgstr "リビジョンが未選択です。" +#: lib/branch_rename.tcl:123 +#, tcl-format +msgid "Failed to rename '%s'." +msgstr "'%s'の名前変更に失敗しました。" -#: lib/choose_rev.tcl:346 -msgid "Revision expression is empty." -msgstr "リビジョン式が空です。" +#: lib/shortcut.tcl:21 lib/shortcut.tcl:62 +msgid "Cannot write shortcut:" +msgstr "ショートカットが書けません:" -#: lib/choose_rev.tcl:531 -msgid "Updated" -msgstr "更新しました" +#: lib/shortcut.tcl:137 +msgid "Cannot write icon:" +msgstr "アイコンが書けません:" -#: lib/choose_rev.tcl:559 -msgid "URL" -msgstr "URL" +#: lib/search.tcl:48 +msgid "Find:" +msgstr "検索:" -#: lib/commit.tcl:9 -msgid "" -"There is nothing to amend.\n" -"\n" -"You are about to create the initial commit. There is no commit before this " -"to amend.\n" -msgstr "" -"訂正するコミットがそもそもありません。\n" -"\n" -"これから作るのは最初のコミットです。その前にはまだ訂正するようなコミットはあ" -"りません。\n" +#: lib/search.tcl:50 +msgid "Next" +msgstr "次" -#: lib/commit.tcl:18 +#: lib/search.tcl:51 +msgid "Prev" +msgstr "前" + +#: lib/search.tcl:52 +msgid "RegExp" +msgstr "正規表現" + +#: lib/search.tcl:54 +msgid "Case" +msgstr "大文字小文字を区別" + +#: lib/status_bar.tcl:87 +#, tcl-format +msgid "%s ... %*i of %*i %s (%3i%%)" +msgstr "%1$s ... %4$*i %6$s 中の %2$*i (%7$3i%%)" + +#: lib/tools_dlg.tcl:22 +msgid "Add Tool" +msgstr "ツールの追加" + +#: lib/tools_dlg.tcl:28 +msgid "Add New Tool Command" +msgstr "新規ツールコマンドの追加" + +#: lib/tools_dlg.tcl:34 +msgid "Add globally" +msgstr "全体に追加" + +#: lib/tools_dlg.tcl:37 lib/remote_add.tcl:30 +msgid "Add" +msgstr "追加" + +#: lib/tools_dlg.tcl:46 +msgid "Tool Details" +msgstr "ツールの詳細" + +#: lib/tools_dlg.tcl:49 +msgid "Use '/' separators to create a submenu tree:" +msgstr "'/' でサブメニューを区切ります:" + +#: lib/tools_dlg.tcl:51 lib/remote_add.tcl:41 lib/branch_create.tcl:44 +msgid "Name:" +msgstr "名前:" + +#: lib/tools_dlg.tcl:60 +msgid "Command:" +msgstr "コマンド:" + +#: lib/tools_dlg.tcl:71 +msgid "Show a dialog before running" +msgstr "起動する前にダイアログを表示" + +#: lib/tools_dlg.tcl:77 +msgid "Ask the user to select a revision (sets $REVISION)" +msgstr "ユーザにコミットを一つ選ばせる ($REVISION にセットします)" + +#: lib/tools_dlg.tcl:82 +msgid "Ask the user for additional arguments (sets $ARGS)" +msgstr "ユーザに他の引数を追加させる ($ARGS にセットします)" + +#: lib/tools_dlg.tcl:89 +msgid "Don't show the command output window" +msgstr "コマンドからの出力ウィンドウを見せない" + +#: lib/tools_dlg.tcl:94 +msgid "Run only if a diff is selected ($FILENAME not empty)" +msgstr "パッチが選ばれているときだけ動かす($FILENAME が空でない)" + +#: lib/tools_dlg.tcl:118 +msgid "Please supply a name for the tool." +msgstr "ツール名を指定して下さい。" + +#: lib/tools_dlg.tcl:126 +#, tcl-format +msgid "Tool '%s' already exists." +msgstr "ツール '%s' は既に存在します。" + +#: lib/tools_dlg.tcl:148 +#, tcl-format msgid "" -"Cannot amend while merging.\n" -"\n" -"You are currently in the middle of a merge that has not been fully " -"completed. You cannot amend the prior commit unless you first abort the " -"current merge activity.\n" +"Could not add tool:\n" +"%s" msgstr "" -"マージ中にコミットの訂正はできません。\n" -"\n" -"現在はまだマージの途中です。先にこのマージを中止しないと、前のコミットの訂正" -"はできません\n" +"ツールを追加できません:\n" +"%s" -#: lib/commit.tcl:48 -msgid "Error loading commit data for amend:" -msgstr "訂正するコミットのデータを読めません:" +#: lib/tools_dlg.tcl:187 +msgid "Remove Tool" +msgstr "ツールの削除" -#: lib/commit.tcl:75 -msgid "Unable to obtain your identity:" -msgstr "ユーザの正体を確認できません:" +#: lib/tools_dlg.tcl:193 +msgid "Remove Tool Commands" +msgstr "ツールコマンドの削除" -#: lib/commit.tcl:80 -msgid "Invalid GIT_COMMITTER_IDENT:" -msgstr "GIT_COMMITTER_IDENT が無効です:" +#: lib/tools_dlg.tcl:198 +msgid "Remove" +msgstr "削除" -#: lib/commit.tcl:129 +#: lib/tools_dlg.tcl:231 +msgid "(Blue denotes repository-local tools)" +msgstr "(青色はローカルレポジトリのツールです)" + +#: lib/tools_dlg.tcl:292 #, tcl-format -msgid "warning: Tcl does not support encoding '%s'." -msgstr "警告: Tcl はエンコーディング '%s' をサポートしていません" +msgid "Run Command: %s" +msgstr "コマンドを起動: %s" -#: lib/commit.tcl:149 +#: lib/tools_dlg.tcl:306 +msgid "Arguments" +msgstr "引数" + +#: lib/tools_dlg.tcl:321 lib/branch_checkout.tcl:35 lib/browser.tcl:297 +msgid "Revision" +msgstr "リビジョン" + +#: lib/tools_dlg.tcl:341 +msgid "OK" +msgstr "OK" + +#: lib/tools.tcl:75 +#, tcl-format +msgid "Running %s requires a selected file." +msgstr "ファイルを選択してから %s を起動してください。" + +#: lib/tools.tcl:91 +#, tcl-format +msgid "Are you sure you want to run %1$s on file \"%2$s\"?" +msgstr "本当にファイル \"%2$s\"で %1$s を起動しますか?" + +#: lib/tools.tcl:95 +#, tcl-format +msgid "Are you sure you want to run %s?" +msgstr "本当に %s を起動しますか?" + +#: lib/tools.tcl:116 +#, tcl-format +msgid "Tool: %s" +msgstr "ツール: %s" + +#: lib/tools.tcl:117 +#, tcl-format +msgid "Running: %s" +msgstr "実行中: %s" + +#: lib/tools.tcl:155 +#, tcl-format +msgid "Tool completed successfully: %s" +msgstr "ツールが完了しました: %s" + +#: lib/tools.tcl:157 +#, tcl-format +msgid "Tool failed: %s" +msgstr "ツールが失敗しました: %s" + +#: lib/mergetool.tcl:8 +msgid "Force resolution to the base version?" +msgstr "共通の版を使いますか?" + +#: lib/mergetool.tcl:9 +msgid "Force resolution to this branch?" +msgstr "自分の側の版を使いますか?" + +#: lib/mergetool.tcl:10 +msgid "Force resolution to the other branch?" +msgstr "相手制の版を使いますか?" + +#: lib/mergetool.tcl:14 +#, tcl-format msgid "" -"Last scanned state does not match repository state.\n" +"Note that the diff shows only conflicting changes.\n" "\n" -"Another Git program has modified this repository since the last scan. A " -"rescan must be performed before another commit can be created.\n" +"%s will be overwritten.\n" "\n" -"The rescan will be automatically started now.\n" +"This operation can be undone only by restarting the merge." msgstr "" -"最後にスキャンした状態はリポジトリの状態と合致しません。\n" +"競合する変更点だけが表示されていることに注意してください。\n" "\n" -"最後にスキャンして以後、別の Git プログラムがリポジトリを変更しています。新し" -"くコミットする前に、再スキャンが必要です。\n" +"%s は上書きされます。\n" "\n" -"自動的に再スキャンを開始します。\n" +"やり直すにはマージ全体をやり直してください。" -#: lib/commit.tcl:172 +#: lib/mergetool.tcl:45 #, tcl-format -msgid "" -"Unmerged files cannot be committed.\n" -"\n" -"File %s has merge conflicts. You must resolve them and stage the file " -"before committing.\n" +msgid "File %s seems to have unresolved conflicts, still stage?" msgstr "" -"マージしていないファイルはコミットできません。\n" -"\n" -"ファイル %s にはマージ衝突が残っています。まず解決してコミット予定に加える必" -"要があります。\n" +"ファイル %s には解決していない競合部分がまだあるようですが、いいですか?" + +#: lib/mergetool.tcl:60 +#, tcl-format +msgid "Adding resolution for %s" +msgstr "%s への解決をステージします" + +#: lib/mergetool.tcl:141 +msgid "Cannot resolve deletion or link conflicts using a tool" +msgstr "ツールでは削除やリンク競合は扱えません" -#: lib/commit.tcl:180 +#: lib/mergetool.tcl:146 +msgid "Conflict file does not exist" +msgstr "競合ファイルは存在しません。" + +#: lib/mergetool.tcl:246 #, tcl-format -msgid "" -"Unknown file state %s detected.\n" -"\n" -"File %s cannot be committed by this program.\n" -msgstr "" -"不明なファイル状態 %s です。\n" -"\n" -"ファイル %s は本プログラムではコミットできません。\n" +msgid "Not a GUI merge tool: '%s'" +msgstr "GUI マージツールではありません: %s" -#: lib/commit.tcl:188 +#: lib/mergetool.tcl:275 +#, tcl-format +msgid "Unsupported merge tool '%s'" +msgstr "マージツール '%s' はサポートしていません" + +#: lib/mergetool.tcl:310 +msgid "Merge tool is already running, terminate it?" +msgstr "マージツールはすでに起動しています。終了しますか?" + +#: lib/mergetool.tcl:330 +#, tcl-format msgid "" -"No changes to commit.\n" -"\n" -"You must stage at least 1 file before you can commit.\n" +"Error retrieving versions:\n" +"%s" msgstr "" -"コミットする変更がありません。\n" -"\n" -"最低一つの変更をコミット予定に加えてからコミットして下さい。\n" +"版の取り出し時にエラーが出ました:\n" +"%s" -#: lib/commit.tcl:203 +#: lib/mergetool.tcl:350 +#, tcl-format msgid "" -"Please supply a commit message.\n" -"\n" -"A good commit message has the following format:\n" +"Could not start the merge tool:\n" "\n" -"- First line: Describe in one sentence what you did.\n" -"- Second line: Blank\n" -"- Remaining lines: Describe why this change is good.\n" +"%s" msgstr "" -"コミット・メッセージを入力して下さい。\n" -"\n" -"正しいコミット・メッセージは:\n" +"マージツールが起動できません:\n" "\n" -"- 第１行: 何をしたか、を１行で要約。\n" -"- 第２行: 空白\n" -"- 残りの行: なぜ、この変更が良い変更か、の説明。\n" - -#: lib/commit.tcl:234 -msgid "Calling pre-commit hook..." -msgstr "コミット前フックを実行中・・・" +"%s" -#: lib/commit.tcl:249 -msgid "Commit declined by pre-commit hook." -msgstr "コミット前フックがコミットを拒否しました" +#: lib/mergetool.tcl:354 +msgid "Running merge tool..." +msgstr "マージツールを実行しています..." -#: lib/commit.tcl:272 -msgid "Calling commit-msg hook..." -msgstr "コミット・メッセージ・フックを実行中・・・" +#: lib/mergetool.tcl:382 lib/mergetool.tcl:390 +msgid "Merge tool failed." +msgstr "マージツールが失敗しました。" -#: lib/commit.tcl:287 -msgid "Commit declined by commit-msg hook." -msgstr "コミット・メッセージ・フックがコミットを拒否しました" +#: lib/option.tcl:11 +#, tcl-format +msgid "Invalid global encoding '%s'" +msgstr "全体エンコーディングに 無効な %s が指定されています" -#: lib/commit.tcl:300 -msgid "Committing changes..." -msgstr "変更点をコミット中・・・" +#: lib/option.tcl:19 +#, tcl-format +msgid "Invalid repo encoding '%s'" +msgstr "リポジトリエンコーディングに 無効な %s が指定されています" -#: lib/commit.tcl:316 -msgid "write-tree failed:" -msgstr "write-tree が失敗しました:" +#: lib/option.tcl:119 +msgid "Restore Defaults" +msgstr "既定値に戻す" -#: lib/commit.tcl:317 lib/commit.tcl:361 lib/commit.tcl:382 -msgid "Commit failed." -msgstr "コミットに失敗しました。" +#: lib/option.tcl:123 +msgid "Save" +msgstr "保存" -#: lib/commit.tcl:334 +#: lib/option.tcl:133 #, tcl-format -msgid "Commit %s appears to be corrupt" -msgstr "コミット %s は壊れています" +msgid "%s Repository" +msgstr "%s リポジトリ" -#: lib/commit.tcl:339 -msgid "" -"No changes to commit.\n" -"\n" -"No files were modified by this commit and it was not a merge commit.\n" -"\n" -"A rescan will be automatically started now.\n" -msgstr "" -"コミットする変更がありません。\n" -"\n" -"マージでなく、また、一つも変更点がありません。\n" -"\n" -"自動的に再スキャンを開始します。\n" +#: lib/option.tcl:134 +msgid "Global (All Repositories)" +msgstr "大域（全てのリポジトリ）" -#: lib/commit.tcl:346 -msgid "No changes to commit." -msgstr "コミットする変更がありません。" +#: lib/option.tcl:140 +msgid "User Name" +msgstr "ユーザ名" -#: lib/commit.tcl:360 -msgid "commit-tree failed:" -msgstr "commit-tree が失敗しました:" +#: lib/option.tcl:141 +msgid "Email Address" +msgstr "電子メールアドレス" -#: lib/commit.tcl:381 -msgid "update-ref failed:" -msgstr "update-ref が失敗しました:" +#: lib/option.tcl:143 +msgid "Summarize Merge Commits" +msgstr "マージコミットの要約" + +#: lib/option.tcl:144 +msgid "Merge Verbosity" +msgstr "マージの冗長度" + +#: lib/option.tcl:145 +msgid "Show Diffstat After Merge" +msgstr "マージ後に diffstat を表示" + +#: lib/option.tcl:146 +msgid "Use Merge Tool" +msgstr "マージツールを使用" + +#: lib/option.tcl:148 +msgid "Trust File Modification Timestamps" +msgstr "ファイル変更時刻を信頼する" + +#: lib/option.tcl:149 +msgid "Prune Tracking Branches During Fetch" +msgstr "フェッチ中にトラッキングブランチを刈る" -#: lib/commit.tcl:469 +#: lib/option.tcl:150 +msgid "Match Tracking Branches" +msgstr "トラッキングブランチを合わせる" + +#: lib/option.tcl:151 +msgid "Use Textconv For Diffs and Blames" +msgstr "diff と注釈に textconv を使う" + +#: lib/option.tcl:152 +msgid "Blame Copy Only On Changed Files" +msgstr "変更されたファイルのみコピー検知を行なう" + +#: lib/option.tcl:153 +msgid "Maximum Length of Recent Repositories List" +msgstr "最近使ったリポジトリ一覧の上限" + +#: lib/option.tcl:154 +msgid "Minimum Letters To Blame Copy On" +msgstr "コピーを検知する最少文字数" + +#: lib/option.tcl:155 +msgid "Blame History Context Radius (days)" +msgstr "注釈する履歴半径（日数）" + +#: lib/option.tcl:156 +msgid "Number of Diff Context Lines" +msgstr "diff の文脈行数" + +#: lib/option.tcl:157 +msgid "Additional Diff Parameters" +msgstr "diff の追加引数" + +#: lib/option.tcl:158 +msgid "Commit Message Text Width" +msgstr "コミットメッセージのテキスト幅" + +#: lib/option.tcl:159 +msgid "New Branch Name Template" +msgstr "新しいブランチ名のテンプレート" + +#: lib/option.tcl:160 +msgid "Default File Contents Encoding" +msgstr "ファイル内容のデフォールトエンコーディング" + +#: lib/option.tcl:161 +msgid "Warn before committing to a detached head" +msgstr "分離 HEAD のコミット前に警告する" + +#: lib/option.tcl:162 +msgid "Staging of untracked files" +msgstr "管理外のファイルをコミット予定する" + +#: lib/option.tcl:163 +msgid "Show untracked files" +msgstr "管理外のファイルを表示する" + +#: lib/option.tcl:164 +msgid "Tab spacing" +msgstr "タブ幅" + +#: lib/option.tcl:210 +msgid "Change" +msgstr "変更" + +#: lib/option.tcl:254 +msgid "Spelling Dictionary:" +msgstr "スペルチェック辞書" + +#: lib/option.tcl:284 +msgid "Change Font" +msgstr "フォントを変更" + +#: lib/option.tcl:288 #, tcl-format -msgid "Created commit %s: %s" -msgstr "コミット %s を作成しました: %s" +msgid "Choose %s" +msgstr "%s を選択" -#: lib/console.tcl:59 -msgid "Working... please wait..." -msgstr "実行中…お待ち下さい…" +#: lib/option.tcl:294 +msgid "pt." +msgstr "ポイント" -#: lib/console.tcl:186 -msgid "Success" -msgstr "成功" +#: lib/option.tcl:308 +msgid "Preferences" +msgstr "設定" -#: lib/console.tcl:200 -msgid "Error: Command Failed" -msgstr "エラー: コマンドが失敗しました" +#: lib/option.tcl:310 lib/branch_checkout.tcl:39 lib/branch_create.tcl:69 +msgid "Options" +msgstr "オプション" -#: lib/database.tcl:43 +#: lib/option.tcl:345 +msgid "Failed to completely save options:" +msgstr "完全にオプションを保存できません:" + +#: lib/database.tcl:42 msgid "Number of loose objects" msgstr "ばらばらなオブジェクトの数" -#: lib/database.tcl:44 +#: lib/database.tcl:43 msgid "Disk space used by loose objects" msgstr "ばらばらなオブジェクトの使用するディスク量" -#: lib/database.tcl:45 +#: lib/database.tcl:44 msgid "Number of packed objects" msgstr "パックされたオブジェクトの数" -#: lib/database.tcl:46 +#: lib/database.tcl:45 msgid "Number of packs" msgstr "パックの数" -#: lib/database.tcl:47 +#: lib/database.tcl:46 msgid "Disk space used by packed objects" msgstr "パックされたオブジェクトの使用するディスク量" -#: lib/database.tcl:48 +#: lib/database.tcl:47 msgid "Packed objects waiting for pruning" msgstr "パックに存在するので捨てて良いオブジェクトの数" -#: lib/database.tcl:49 +#: lib/database.tcl:48 msgid "Garbage files" msgstr "ゴミファイル" @@ -1549,12 +1954,132 @@ msgstr "" "\n" "データベースを圧縮しますか？" -#: lib/date.tcl:25 +#: lib/transport.tcl:6 lib/remote_add.tcl:132 #, tcl-format -msgid "Invalid date from Git: %s" -msgstr "Git から出た無効な日付: %s" +msgid "fetch %s" +msgstr "%s を取得" -#: lib/diff.tcl:64 +#: lib/transport.tcl:7 +#, tcl-format +msgid "Fetching new changes from %s" +msgstr "%s から新しい変更をフェッチしています" + +#: lib/transport.tcl:18 +#, tcl-format +msgid "remote prune %s" +msgstr "リモート刈込 %s" + +#: lib/transport.tcl:19 +#, tcl-format +msgid "Pruning tracking branches deleted from %s" +msgstr "%s から削除されたトラッキング・ブランチを刈っています" + +#: lib/transport.tcl:25 +msgid "fetch all remotes" +msgstr "すべてのリモートを取得" + +#: lib/transport.tcl:26 +msgid "Fetching new changes from all remotes" +msgstr "すべてのリモートから新しい変更をフェッチしています" + +#: lib/transport.tcl:40 +msgid "remote prune all remotes" +msgstr "リモート刈込 すべてのリモート" + +#: lib/transport.tcl:41 +msgid "Pruning tracking branches deleted from all remotes" +msgstr "すべてのリモートから削除されたトラッキング・ブランチを刈っています" + +#: lib/transport.tcl:54 lib/transport.tcl:92 lib/transport.tcl:110 +#: lib/remote_add.tcl:162 +#, tcl-format +msgid "push %s" +msgstr "%s をプッシュ" + +#: lib/transport.tcl:55 +#, tcl-format +msgid "Pushing changes to %s" +msgstr "%s へ変更をプッシュしています" + +#: lib/transport.tcl:93 +#, tcl-format +msgid "Mirroring to %s" +msgstr "%s へミラーしています" + +#: lib/transport.tcl:111 +#, tcl-format +msgid "Pushing %s %s to %s" +msgstr "%3$s へ %1$s %2$s をプッシュしています" + +#: lib/transport.tcl:132 +msgid "Push Branches" +msgstr "ブランチをプッシュ" + +#: lib/transport.tcl:147 +msgid "Source Branches" +msgstr "元のブランチ" + +#: lib/transport.tcl:162 +msgid "Destination Repository" +msgstr "送り先リポジトリ" + +#: lib/transport.tcl:205 +msgid "Transfer Options" +msgstr "通信オプション" + +#: lib/transport.tcl:207 +msgid "Force overwrite existing branch (may discard changes)" +msgstr "既存ブランチを上書き(変更を破棄する可能性があります)" + +#: lib/transport.tcl:211 +msgid "Use thin pack (for slow network connections)" +msgstr "Thin Pack を使う（遅いネットワーク接続）" + +#: lib/transport.tcl:215 +msgid "Include tags" +msgstr "タグを含める" + +#: lib/choose_font.tcl:41 +msgid "Select" +msgstr "選択" + +#: lib/choose_font.tcl:55 +msgid "Font Family" +msgstr "フォント・ファミリー" + +#: lib/choose_font.tcl:76 +msgid "Font Size" +msgstr "フォントの大きさ" + +#: lib/choose_font.tcl:93 +msgid "Font Example" +msgstr "フォント・サンプル" + +#: lib/choose_font.tcl:105 +msgid "" +"This is example text.\n" +"If you like this text, it can be your font." +msgstr "" +"これはサンプル文です。\n" +"このフォントが気に入ればお使いになれます。" + +#: lib/remote.tcl:200 +msgid "Push to" +msgstr "プッシュ先" + +#: lib/remote.tcl:218 +msgid "Remove Remote" +msgstr "リモートを削除" + +#: lib/remote.tcl:223 +msgid "Prune from" +msgstr "から刈込む…" + +#: lib/remote.tcl:228 +msgid "Fetch from" +msgstr "取得元" + +#: lib/diff.tcl:77 #, tcl-format msgid "" "No differences detected.\n" @@ -1576,12 +2101,12 @@ msgstr "" "\n" "同様な状態のファイルを探すために、自動的に再スキャンを開始します。" -#: lib/diff.tcl:104 +#: lib/diff.tcl:117 #, tcl-format msgid "Loading diff of %s..." msgstr "%s の変更点をロード中…" -#: lib/diff.tcl:125 +#: lib/diff.tcl:140 msgid "" "LOCAL: deleted\n" "REMOTE:\n" @@ -1589,7 +2114,7 @@ msgstr "" "LOCAL: 削除\n" "Remote:\n" -#: lib/diff.tcl:130 +#: lib/diff.tcl:145 msgid "" "REMOTE: deleted\n" "LOCAL:\n" @@ -1597,32 +2122,32 @@ msgstr "" "REMOTE: 削除\n" "LOCAL:\n" -#: lib/diff.tcl:137 +#: lib/diff.tcl:152 msgid "LOCAL:\n" msgstr "LOCAL:\n" -#: lib/diff.tcl:140 +#: lib/diff.tcl:155 msgid "REMOTE:\n" msgstr "REMOTE\n" -#: lib/diff.tcl:202 lib/diff.tcl:319 +#: lib/diff.tcl:217 lib/diff.tcl:355 #, tcl-format msgid "Unable to display %s" msgstr "%s を表示できません" -#: lib/diff.tcl:203 +#: lib/diff.tcl:218 msgid "Error loading file:" msgstr "ファイルを読む際のエラーです:" -#: lib/diff.tcl:210 +#: lib/diff.tcl:225 msgid "Git Repository (subproject)" msgstr "Git リポジトリ(サブプロジェクト)" -#: lib/diff.tcl:222 +#: lib/diff.tcl:237 msgid "* Binary file (not showing content)." msgstr "* バイナリファイル(内容は表示しません)" -#: lib/diff.tcl:227 +#: lib/diff.tcl:242 #, tcl-format msgid "" "* Untracked file is %d bytes.\n" @@ -1631,7 +2156,7 @@ msgstr "" "* 管理外のファイルの大きさは %d バイトです。\n" "* 最初の %d バイトだけ表示しています。\n" -#: lib/diff.tcl:233 +#: lib/diff.tcl:248 #, tcl-format msgid "" "\n" @@ -1643,56 +2168,47 @@ msgstr "" "* %s は管理外のファイルをここで切りおとしました。\n" "* 全体を見るには外部エディタを使ってください。\n" -#: lib/diff.tcl:482 +#: lib/diff.tcl:578 msgid "Failed to unstage selected hunk." msgstr "選択されたパッチをコミット予定から外せません。" -#: lib/diff.tcl:489 +#: lib/diff.tcl:585 msgid "Failed to stage selected hunk." msgstr "選択されたパッチをコミット予定に加えられません。" -#: lib/diff.tcl:568 +#: lib/diff.tcl:664 msgid "Failed to unstage selected line." msgstr "選択されたパッチ行をコミット予定から外せません。" -#: lib/diff.tcl:576 +#: lib/diff.tcl:672 msgid "Failed to stage selected line." msgstr "選択されたパッチ行をコミット予定に加えられません。" -#: lib/encoding.tcl:443 -msgid "Default" -msgstr "デフォールト" - -#: lib/encoding.tcl:448 -#, tcl-format -msgid "System (%s)" -msgstr "システム (%s)" - -#: lib/encoding.tcl:459 lib/encoding.tcl:465 -msgid "Other" -msgstr "その他" +#: lib/branch_checkout.tcl:16 lib/branch_checkout.tcl:21 +msgid "Checkout Branch" +msgstr "ブランチをチェックアウト" -#: lib/error.tcl:20 lib/error.tcl:114 -msgid "error" -msgstr "エラー" +#: lib/branch_checkout.tcl:26 +msgid "Checkout" +msgstr "チェックアウト" -#: lib/error.tcl:36 -msgid "warning" -msgstr "警告" +#: lib/branch_checkout.tcl:42 lib/branch_create.tcl:92 +msgid "Fetch Tracking Branch" +msgstr "トラッキング・ブランチをフェッチ" -#: lib/error.tcl:94 -msgid "You must correct the above errors before committing." -msgstr "コミットする前に、以上のエラーを修正して下さい" +#: lib/branch_checkout.tcl:47 +msgid "Detach From Local Branch" +msgstr "ローカル・ブランチから削除" #: lib/index.tcl:6 msgid "Unable to unlock the index." msgstr "インデックスをロックできません" -#: lib/index.tcl:15 +#: lib/index.tcl:17 msgid "Index Error" msgstr "索引エラー" -#: lib/index.tcl:17 +#: lib/index.tcl:19 msgid "" "Updating the Git index failed. A rescan will be automatically started to " "resynchronize git-gui." @@ -1700,433 +2216,330 @@ msgstr "" "GIT インデックスの更新が失敗しました。git-gui と同期をとるために再スキャンし" "ます。" -#: lib/index.tcl:28 +#: lib/index.tcl:30 msgid "Continue" msgstr "続行" -#: lib/index.tcl:31 +#: lib/index.tcl:33 msgid "Unlock Index" msgstr "インデックスのロック解除" -#: lib/index.tcl:289 +#: lib/index.tcl:298 #, tcl-format msgid "Unstaging %s from commit" msgstr "コミットから '%s' を降ろす" -#: lib/index.tcl:328 +#: lib/index.tcl:337 msgid "Ready to commit." msgstr "コミット準備完了" -#: lib/index.tcl:341 +#: lib/index.tcl:350 #, tcl-format msgid "Adding %s" msgstr "コミットに %s を加えています" -#: lib/index.tcl:398 +#: lib/index.tcl:380 +#, tcl-format +msgid "Stage %d untracked files?" +msgstr "管理外の %d ファイルをコミット予定としますか？" + +#: lib/index.tcl:428 #, tcl-format msgid "Revert changes in file %s?" msgstr "ファイル %s にした変更を元に戻しますか？" -#: lib/index.tcl:400 +#: lib/index.tcl:430 #, tcl-format msgid "Revert changes in these %i files?" msgstr "これら %i 個のファイルにした変更を元に戻しますか？" -#: lib/index.tcl:408 +#: lib/index.tcl:438 msgid "Any unstaged changes will be permanently lost by the revert." msgstr "変更を元に戻すとコミット予定していない変更は全て失われます。" -#: lib/index.tcl:411 +#: lib/index.tcl:441 msgid "Do Nothing" msgstr "何もしない" -#: lib/index.tcl:429 +#: lib/index.tcl:459 msgid "Reverting selected files" msgstr "選択されたファイルにした変更を元に戻します" -#: lib/index.tcl:433 +#: lib/index.tcl:463 #, tcl-format msgid "Reverting %s" msgstr "%s にした変更を元に戻します" -#: lib/merge.tcl:13 +#: lib/sshkey.tcl:31 +msgid "No keys found." +msgstr "キーがありません。" + +#: lib/sshkey.tcl:34 +#, tcl-format +msgid "Found a public key in: %s" +msgstr "公開鍵がありました: %s" + +#: lib/sshkey.tcl:40 +msgid "Generate Key" +msgstr "鍵を生成" + +#: lib/sshkey.tcl:58 +msgid "Copy To Clipboard" +msgstr "クリップボードにコピー" + +#: lib/sshkey.tcl:72 +msgid "Your OpenSSH Public Key" +msgstr "あなたの OpenSSH 公開鍵" + +#: lib/sshkey.tcl:80 +msgid "Generating..." +msgstr "生成中..." + +#: lib/sshkey.tcl:86 +#, tcl-format msgid "" -"Cannot merge while amending.\n" +"Could not start ssh-keygen:\n" "\n" -"You must finish amending this commit before starting any type of merge.\n" +"%s" msgstr "" -"訂正中にはマージできません。\n" +"ssh-keygen を起動できません:\n" "\n" -"訂正処理を完了するまでは新たにマージを開始できません。\n" +"%s" -#: lib/merge.tcl:27 +#: lib/sshkey.tcl:113 +msgid "Generation failed." +msgstr "生成に失敗しました。" + +#: lib/sshkey.tcl:120 +msgid "Generation succeeded, but no keys found." +msgstr "生成には成功しましたが、鍵が見つかりません。" + +#: lib/sshkey.tcl:123 +#, tcl-format +msgid "Your key is in: %s" +msgstr "あなたの鍵は %s にあります" + +#: lib/commit.tcl:9 msgid "" -"Last scanned state does not match repository state.\n" -"\n" -"Another Git program has modified this repository since the last scan. A " -"rescan must be performed before a merge can be performed.\n" +"There is nothing to amend.\n" "\n" -"The rescan will be automatically started now.\n" +"You are about to create the initial commit. There is no commit before this " +"to amend.\n" msgstr "" -"最後にスキャンした状態はリポジトリの状態と合致しません。\n" -"\n" -"最後にスキャンして以後、別の Git プログラムがリポジトリを変更しています。マー" -"ジを開始する前に、再スキャンが必要です。\n" +"訂正するコミットがそもそもありません。\n" "\n" -"自動的に再スキャンを開始します。\n" +"これから作るのは最初のコミットです。その前にはまだ訂正するようなコミットはあ" +"りません。\n" -#: lib/merge.tcl:45 -#, tcl-format +#: lib/commit.tcl:18 msgid "" -"You are in the middle of a conflicted merge.\n" -"\n" -"File %s has merge conflicts.\n" +"Cannot amend while merging.\n" "\n" -"You must resolve them, stage the file, and commit to complete the current " -"merge. Only then can you begin another merge.\n" +"You are currently in the middle of a merge that has not been fully " +"completed. You cannot amend the prior commit unless you first abort the " +"current merge activity.\n" msgstr "" -"衝突のあったマージの途中です。\n" -"\n" -"ファイル %s にはマージ中の衝突が残っています。\n" +"マージ中にコミットの訂正はできません。\n" "\n" -"このファイルの衝突を解決し、コミット予定に加えて、コミットすることでマージを" -"完了します。そうやって始めて、新たなマージを開始できるようになります。\n" +"現在はまだマージの途中です。先にこのマージを中止しないと、前のコミットの訂正" +"はできません\n" -#: lib/merge.tcl:55 +#: lib/commit.tcl:48 +msgid "Error loading commit data for amend:" +msgstr "訂正するコミットのデータを読めません:" + +#: lib/commit.tcl:75 +msgid "Unable to obtain your identity:" +msgstr "ユーザの正体を確認できません:" + +#: lib/commit.tcl:80 +msgid "Invalid GIT_COMMITTER_IDENT:" +msgstr "GIT_COMMITTER_IDENT が無効です:" + +#: lib/commit.tcl:129 #, tcl-format +msgid "warning: Tcl does not support encoding '%s'." +msgstr "警告: Tcl はエンコーディング '%s' をサポートしていません" + +#: lib/commit.tcl:149 msgid "" -"You are in the middle of a change.\n" +"Last scanned state does not match repository state.\n" "\n" -"File %s is modified.\n" +"Another Git program has modified this repository since the last scan. A " +"rescan must be performed before another commit can be created.\n" "\n" -"You should complete the current commit before starting a merge. Doing so " -"will help you abort a failed merge, should the need arise.\n" +"The rescan will be automatically started now.\n" msgstr "" -"変更の途中です。\n" +"最後にスキャンした状態はリポジトリの状態と合致しません。\n" "\n" -"ファイル %s は変更中です。\n" +"最後にスキャンして以後、別の Git プログラムがリポジトリを変更しています。新し" +"くコミットする前に、再スキャンが必要です。\n" "\n" -"現在のコミットを完了してからマージを開始して下さい。そうする方がマージに失敗" -"したときの回復が楽です。\n" - -#: lib/merge.tcl:107 -#, tcl-format -msgid "%s of %s" -msgstr "%s の %s ブランチ" +"自動的に再スキャンを開始します。\n" -#: lib/merge.tcl:120 +#: lib/commit.tcl:173 #, tcl-format -msgid "Merging %s and %s..." -msgstr "%s と %s をマージ中・・・" - -#: lib/merge.tcl:131 -msgid "Merge completed successfully." -msgstr "マージが完了しました" - -#: lib/merge.tcl:133 -msgid "Merge failed. Conflict resolution is required." -msgstr "マージが失敗しました。衝突の解決が必要です。" +msgid "" +"Unmerged files cannot be committed.\n" +"\n" +"File %s has merge conflicts. You must resolve them and stage the file " +"before committing.\n" +msgstr "" +"マージしていないファイルはコミットできません。\n" +"\n" +"ファイル %s にはマージ衝突が残っています。まず解決してコミット予定に加える必" +"要があります。\n" -#: lib/merge.tcl:158 +#: lib/commit.tcl:181 #, tcl-format -msgid "Merge Into %s" -msgstr "%s にマージ" - -#: lib/merge.tcl:177 -msgid "Revision To Merge" -msgstr "マージするリビジョン" - -#: lib/merge.tcl:212 msgid "" -"Cannot abort while amending.\n" +"Unknown file state %s detected.\n" "\n" -"You must finish amending this commit.\n" +"File %s cannot be committed by this program.\n" msgstr "" -"訂正中には中止できません。\n" +"不明なファイル状態 %s です。\n" "\n" -"まず今のコミット訂正を完了させて下さい。\n" +"ファイル %s は本プログラムではコミットできません。\n" -#: lib/merge.tcl:222 +#: lib/commit.tcl:189 msgid "" -"Abort merge?\n" -"\n" -"Aborting the current merge will cause *ALL* uncommitted changes to be lost.\n" +"No changes to commit.\n" "\n" -"Continue with aborting the current merge?" +"You must stage at least 1 file before you can commit.\n" msgstr "" -"マージを中断しますか？\n" -"\n" -"現在のマージを中断すると、コミットしていない全ての変更が失われます。\n" +"コミットする変更がありません。\n" "\n" -"マージを中断してよろしいですか？" +"最低一つの変更をコミット予定に加えてからコミットして下さい。\n" -#: lib/merge.tcl:228 +#: lib/commit.tcl:204 msgid "" -"Reset changes?\n" +"Please supply a commit message.\n" "\n" -"Resetting the changes will cause *ALL* uncommitted changes to be lost.\n" +"A good commit message has the following format:\n" "\n" -"Continue with resetting the current changes?" +"- First line: Describe in one sentence what you did.\n" +"- Second line: Blank\n" +"- Remaining lines: Describe why this change is good.\n" msgstr "" -"変更点をリセットしますか？\n" +"コミット・メッセージを入力して下さい。\n" "\n" -"変更点をリセットすると、コミットしていない全ての変更が失われます。\n" +"正しいコミット・メッセージは:\n" "\n" -"リセットしてよろしいですか？" - -#: lib/merge.tcl:239 -msgid "Aborting" -msgstr "中断しています" - -#: lib/merge.tcl:239 -msgid "files reset" -msgstr "リセットしたファイル" - -#: lib/merge.tcl:267 -msgid "Abort failed." -msgstr "中断に失敗しました。" - -#: lib/merge.tcl:269 -msgid "Abort completed. Ready." -msgstr "中断完了。" - -#: lib/mergetool.tcl:8 -msgid "Force resolution to the base version?" -msgstr "共通の版を使いますか?" +"- 第１行: 何をしたか、を１行で要約。\n" +"- 第２行: 空白\n" +"- 残りの行: なぜ、この変更が良い変更か、の説明。\n" -#: lib/mergetool.tcl:9 -msgid "Force resolution to this branch?" -msgstr "自分の側の版を使いますか?" +#: lib/commit.tcl:235 +msgid "Calling pre-commit hook..." +msgstr "コミット前フックを実行中・・・" -#: lib/mergetool.tcl:10 -msgid "Force resolution to the other branch?" -msgstr "相手制の版を使いますか?" +#: lib/commit.tcl:250 +msgid "Commit declined by pre-commit hook." +msgstr "コミット前フックがコミットを拒否しました" -#: lib/mergetool.tcl:14 -#, tcl-format +#: lib/commit.tcl:269 msgid "" -"Note that the diff shows only conflicting changes.\n" -"\n" -"%s will be overwritten.\n" -"\n" -"This operation can be undone only by restarting the merge." +"You are about to commit on a detached head. This is a potentially dangerous " +"thing to do because if you switch to another branch you will lose your " +"changes and it can be difficult to retrieve them later from the reflog. You " +"should probably cancel this commit and create a new branch to continue.\n" +" \n" +" Do you really want to proceed with your Commit?" msgstr "" -"競合する変更点だけが表示されていることに注意してください。\n" +"分離 HEAD での変更をコミットしようとしています。" +"これは潜在的に危険な行為で、理由は別のブランチへの切り替えで" +"変更が消失し、reflog からの事後復旧も困難となるためです。" +"おそらくこのコミットはキャンセルし新しく作成したブランチで" +"行うべきです。\n" "\n" -"%s は上書きされます。\n" -"\n" -"やり直すにはマージ全体をやり直してください。" +" 本当にコミットを続行しますか？" -#: lib/mergetool.tcl:45 -#, tcl-format -msgid "File %s seems to have unresolved conflicts, still stage?" -msgstr "" -"ファイル %s には解決していない競合部分がまだあるようですが、いいですか?" - -#: lib/mergetool.tcl:60 -#, tcl-format -msgid "Adding resolution for %s" -msgstr "%s への解決をステージします" - -#: lib/mergetool.tcl:141 -msgid "Cannot resolve deletion or link conflicts using a tool" -msgstr "ツールでは削除やリンク競合は扱えません" +#: lib/commit.tcl:290 +msgid "Calling commit-msg hook..." +msgstr "コミット・メッセージ・フックを実行中・・・" -#: lib/mergetool.tcl:146 -msgid "Conflict file does not exist" -msgstr "競合ファイルは存在しません。" +#: lib/commit.tcl:305 +msgid "Commit declined by commit-msg hook." +msgstr "コミット・メッセージ・フックがコミットを拒否しました" -#: lib/mergetool.tcl:264 -#, tcl-format -msgid "Not a GUI merge tool: '%s'" -msgstr "GUI マージツールではありません: %s" +#: lib/commit.tcl:318 +msgid "Committing changes..." +msgstr "変更点をコミット中・・・" -#: lib/mergetool.tcl:268 -#, tcl-format -msgid "Unsupported merge tool '%s'" -msgstr "マージツール '%s' はサポートしていません" +#: lib/commit.tcl:334 +msgid "write-tree failed:" +msgstr "write-tree が失敗しました:" -#: lib/mergetool.tcl:303 -msgid "Merge tool is already running, terminate it?" -msgstr "マージツールはすでに起動しています。終了しますか?" +#: lib/commit.tcl:335 lib/commit.tcl:379 lib/commit.tcl:400 +msgid "Commit failed." +msgstr "コミットに失敗しました。" -#: lib/mergetool.tcl:323 +#: lib/commit.tcl:352 #, tcl-format -msgid "" -"Error retrieving versions:\n" -"%s" -msgstr "" -"版の取り出し時にエラーが出ました:\n" -"%s" +msgid "Commit %s appears to be corrupt" +msgstr "コミット %s は壊れています" -#: lib/mergetool.tcl:343 -#, tcl-format +#: lib/commit.tcl:357 msgid "" -"Could not start the merge tool:\n" +"No changes to commit.\n" "\n" -"%s" +"No files were modified by this commit and it was not a merge commit.\n" +"\n" +"A rescan will be automatically started now.\n" msgstr "" -"マージツールが起動できません:\n" +"コミットする変更がありません。\n" "\n" -"%s" - -#: lib/mergetool.tcl:347 -msgid "Running merge tool..." -msgstr "マージツールを実行しています..." - -#: lib/mergetool.tcl:375 lib/mergetool.tcl:383 -msgid "Merge tool failed." -msgstr "マージツールが失敗しました。" - -#: lib/option.tcl:11 -#, tcl-format -msgid "Invalid global encoding '%s'" -msgstr "全体エンコーディングに 無効な %s が指定されています" +"マージでなく、また、一つも変更点がありません。\n" +"\n" +"自動的に再スキャンを開始します。\n" -#: lib/option.tcl:19 -#, tcl-format -msgid "Invalid repo encoding '%s'" -msgstr "リポジトリエンコーディングに 無効な %s が指定されています" +#: lib/commit.tcl:364 +msgid "No changes to commit." +msgstr "コミットする変更がありません。" -#: lib/option.tcl:117 -msgid "Restore Defaults" -msgstr "既定値に戻す" +#: lib/commit.tcl:378 +msgid "commit-tree failed:" +msgstr "commit-tree が失敗しました:" -#: lib/option.tcl:121 -msgid "Save" -msgstr "保存" +#: lib/commit.tcl:399 +msgid "update-ref failed:" +msgstr "update-ref が失敗しました:" -#: lib/option.tcl:131 +#: lib/commit.tcl:492 #, tcl-format -msgid "%s Repository" -msgstr "%s リポジトリ" - -#: lib/option.tcl:132 -msgid "Global (All Repositories)" -msgstr "大域（全てのリポジトリ）" - -#: lib/option.tcl:138 -msgid "User Name" -msgstr "ユーザ名" - -#: lib/option.tcl:139 -msgid "Email Address" -msgstr "電子メールアドレス" - -#: lib/option.tcl:141 -msgid "Summarize Merge Commits" -msgstr "マージコミットの要約" - -#: lib/option.tcl:142 -msgid "Merge Verbosity" -msgstr "マージの冗長度" - -#: lib/option.tcl:143 -msgid "Show Diffstat After Merge" -msgstr "マージ後に diffstat を表示" - -#: lib/option.tcl:144 -msgid "Use Merge Tool" -msgstr "マージツールを使用" - -#: lib/option.tcl:146 -msgid "Trust File Modification Timestamps" -msgstr "ファイル変更時刻を信頼する" - -#: lib/option.tcl:147 -msgid "Prune Tracking Branches During Fetch" -msgstr "フェッチ中にトラッキングブランチを刈る" - -#: lib/option.tcl:148 -msgid "Match Tracking Branches" -msgstr "トラッキングブランチを合わせる" - -#: lib/option.tcl:149 -msgid "Blame Copy Only On Changed Files" -msgstr "変更されたファイルのみコピー検知を行なう" - -#: lib/option.tcl:150 -msgid "Minimum Letters To Blame Copy On" -msgstr "コピーを検知する最少文字数" - -#: lib/option.tcl:151 -msgid "Blame History Context Radius (days)" -msgstr "註釈する履歴半径（日数）" - -#: lib/option.tcl:152 -msgid "Number of Diff Context Lines" -msgstr "diff の文脈行数" - -#: lib/option.tcl:153 -msgid "Commit Message Text Width" -msgstr "コミットメッセージのテキスト幅" - -#: lib/option.tcl:154 -msgid "New Branch Name Template" -msgstr "新しいブランチ名のテンプレート" - -#: lib/option.tcl:155 -msgid "Default File Contents Encoding" -msgstr "ファイル内容のデフォールトエンコーディング" - -#: lib/option.tcl:203 -msgid "Change" -msgstr "変更" +msgid "Created commit %s: %s" +msgstr "コミット %s を作成しました: %s" -#: lib/option.tcl:230 -msgid "Spelling Dictionary:" -msgstr "スペルチェック辞書" +#: lib/browser.tcl:17 +msgid "Starting..." +msgstr "起動中…" -#: lib/option.tcl:254 -msgid "Change Font" -msgstr "フォントを変更" +#: lib/browser.tcl:27 +msgid "File Browser" +msgstr "ファイル・ブラウザ" -#: lib/option.tcl:258 +#: lib/browser.tcl:132 lib/browser.tcl:149 #, tcl-format -msgid "Choose %s" -msgstr "%s を選択" - -#: lib/option.tcl:264 -msgid "pt." -msgstr "ポイント" - -#: lib/option.tcl:278 -msgid "Preferences" -msgstr "設定" - -#: lib/option.tcl:314 -msgid "Failed to completely save options:" -msgstr "完全にオプションを保存できません:" - -#: lib/remote.tcl:163 -msgid "Remove Remote" -msgstr "リモートを削除" - -#: lib/remote.tcl:168 -msgid "Prune from" -msgstr "から刈込む…" +msgid "Loading %s..." +msgstr "%s をロード中…" -#: lib/remote.tcl:173 -msgid "Fetch from" -msgstr "取得元" +#: lib/browser.tcl:193 +msgid "[Up To Parent]" +msgstr "[上位フォルダへ]" -#: lib/remote.tcl:215 -msgid "Push to" -msgstr "プッシュ先" +#: lib/browser.tcl:275 lib/browser.tcl:282 +msgid "Browse Branch Files" +msgstr "現在のブランチのファイルを見る" -#: lib/remote_add.tcl:19 +#: lib/remote_add.tcl:20 msgid "Add Remote" msgstr "リモートを追加" -#: lib/remote_add.tcl:24 +#: lib/remote_add.tcl:25 msgid "Add New Remote" msgstr "リモートを新規に追加" -#: lib/remote_add.tcl:28 lib/tools_dlg.tcl:36 -msgid "Add" -msgstr "追加" - -#: lib/remote_add.tcl:37 +#: lib/remote_add.tcl:39 msgid "Remote Details" msgstr "リモートの詳細" @@ -2134,155 +2547,104 @@ msgstr "リモートの詳細" msgid "Location:" msgstr "場所:" -#: lib/remote_add.tcl:62 +#: lib/remote_add.tcl:60 msgid "Further Action" msgstr "その他の動作" -#: lib/remote_add.tcl:65 +#: lib/remote_add.tcl:63 msgid "Fetch Immediately" msgstr "即座に取得" -#: lib/remote_add.tcl:71 +#: lib/remote_add.tcl:69 msgid "Initialize Remote Repository and Push" msgstr "リモートレポジトリを初期化してプッシュ" -#: lib/remote_add.tcl:77 +#: lib/remote_add.tcl:75 msgid "Do Nothing Else Now" msgstr "何もしない" -#: lib/remote_add.tcl:101 +#: lib/remote_add.tcl:100 msgid "Please supply a remote name." msgstr "リモート名を指定して下さい。" -#: lib/remote_add.tcl:114 +#: lib/remote_add.tcl:113 #, tcl-format msgid "'%s' is not an acceptable remote name." msgstr "'%s' はリモート名に使えません。" -#: lib/remote_add.tcl:125 +#: lib/remote_add.tcl:124 #, tcl-format msgid "Failed to add remote '%s' of location '%s'." msgstr "場所 '%2$s' のリモート '%1$s'の名前変更に失敗しました。" -#: lib/remote_add.tcl:133 lib/transport.tcl:6 -#, tcl-format -msgid "fetch %s" -msgstr "%s を取得" - -#: lib/remote_add.tcl:134 +#: lib/remote_add.tcl:133 #, tcl-format msgid "Fetching the %s" msgstr "%s からフェッチしています" -#: lib/remote_add.tcl:157 +#: lib/remote_add.tcl:156 #, tcl-format msgid "Do not know how to initialize repository at location '%s'." msgstr "リポジトリ '%s' を初期化できません。" -#: lib/remote_add.tcl:163 lib/transport.tcl:25 lib/transport.tcl:63 -#: lib/transport.tcl:81 -#, tcl-format -msgid "push %s" -msgstr "%s をプッシュ" - -#: lib/remote_add.tcl:164 +#: lib/remote_add.tcl:163 #, tcl-format msgid "Setting up the %s (at %s)" msgstr "%2$s にある %1$s をセットアップします" -#: lib/remote_branch_delete.tcl:29 lib/remote_branch_delete.tcl:34 -msgid "Delete Branch Remotely" -msgstr "遠隔でブランチ削除" - -#: lib/remote_branch_delete.tcl:47 -msgid "From Repository" -msgstr "元のリポジトリ" +#: lib/line.tcl:17 +msgid "Goto Line:" +msgstr "行番号" -#: lib/remote_branch_delete.tcl:50 lib/transport.tcl:134 -msgid "Remote:" -msgstr "リモート:" +#: lib/line.tcl:23 +msgid "Go" +msgstr "移動" -#: lib/remote_branch_delete.tcl:66 lib/transport.tcl:149 -msgid "Arbitrary Location:" -msgstr "任意の位置:" +#: lib/branch_create.tcl:23 +msgid "Create Branch" +msgstr "ブランチを作成" -#: lib/remote_branch_delete.tcl:84 -msgid "Branches" -msgstr "ブランチ" +#: lib/branch_create.tcl:28 +msgid "Create New Branch" +msgstr "ブランチを新規作成" -#: lib/remote_branch_delete.tcl:109 -msgid "Delete Only If" -msgstr "条件付で削除" +#: lib/branch_create.tcl:42 +msgid "Branch Name" +msgstr "ブランチ名" -#: lib/remote_branch_delete.tcl:111 -msgid "Merged Into:" -msgstr "マージ先:" +#: lib/branch_create.tcl:57 +msgid "Match Tracking Branch Name" +msgstr "トラッキング・ブランチ名を合わせる" -#: lib/remote_branch_delete.tcl:152 -msgid "A branch is required for 'Merged Into'." -msgstr "'マージ先' にはブランチが必要です。" +#: lib/branch_create.tcl:66 +msgid "Starting Revision" +msgstr "初期リビジョン" -#: lib/remote_branch_delete.tcl:184 -#, tcl-format -msgid "" -"The following branches are not completely merged into %s:\n" -"\n" -" - %s" -msgstr "" -"以下のブランチは %s に完全にマージされていません:\n" -"\n" -" - %s" +#: lib/branch_create.tcl:72 +msgid "Update Existing Branch:" +msgstr "既存のブランチを更新:" -#: lib/remote_branch_delete.tcl:189 -#, tcl-format -msgid "" -"One or more of the merge tests failed because you have not fetched the " -"necessary commits. Try fetching from %s first." -msgstr "" -"必要なコミットが不足しているために、マージ検査が失敗しました。まず %s から" -"フェッチして下さい。" +#: lib/branch_create.tcl:75 +msgid "No" +msgstr "いいえ" -#: lib/remote_branch_delete.tcl:207 -msgid "Please select one or more branches to delete." -msgstr "削除するブランチを選択して下さい。" +#: lib/branch_create.tcl:80 +msgid "Fast Forward Only" +msgstr "早送りのみ" -#: lib/remote_branch_delete.tcl:226 -#, tcl-format -msgid "Deleting branches from %s" -msgstr "%s からブランチを削除しています。" +#: lib/branch_create.tcl:97 +msgid "Checkout After Creation" +msgstr "作成してすぐチェックアウト" -#: lib/remote_branch_delete.tcl:292 -msgid "No repository selected." -msgstr "リポジトリが選択されていません。" +#: lib/branch_create.tcl:132 +msgid "Please select a tracking branch." +msgstr "トラッキング・ブランチを選択して下さい。" -#: lib/remote_branch_delete.tcl:297 +#: lib/branch_create.tcl:141 #, tcl-format -msgid "Scanning %s..." -msgstr "%s をスキャンしています…" - -#: lib/search.tcl:21 -msgid "Find:" -msgstr "検索:" - -#: lib/search.tcl:23 -msgid "Next" -msgstr "次" - -#: lib/search.tcl:24 -msgid "Prev" -msgstr "前" - -#: lib/search.tcl:25 -msgid "Case-Sensitive" -msgstr "大文字小文字を区別" - -#: lib/shortcut.tcl:21 lib/shortcut.tcl:62 -msgid "Cannot write shortcut:" -msgstr "ショートカットが書けません:" - -#: lib/shortcut.tcl:137 -msgid "Cannot write icon:" -msgstr "アイコンが書けません:" +msgid "Tracking branch %s is not a branch in the remote repository." +msgstr "" +"トラッキング・ブランチ %s はリモートリポジトリのブランチではありません。" #: lib/spellcheck.tcl:57 msgid "Unsupported spell checker" @@ -2320,236 +2682,3 @@ msgstr "スペルチェッカーが予想外の EOF を返しました" #: lib/spellcheck.tcl:392 msgid "Spell Checker Failed" msgstr "スペルチェック失敗" - -#: lib/sshkey.tcl:31 -msgid "No keys found." -msgstr "キーがありません。" - -#: lib/sshkey.tcl:34 -#, tcl-format -msgid "Found a public key in: %s" -msgstr "公開鍵がありました: %s" - -#: lib/sshkey.tcl:40 -msgid "Generate Key" -msgstr "鍵を生成" - -#: lib/sshkey.tcl:56 -msgid "Copy To Clipboard" -msgstr "クリップボードにコピー" - -#: lib/sshkey.tcl:70 -msgid "Your OpenSSH Public Key" -msgstr "あなたの OpenSSH 公開鍵" - -#: lib/sshkey.tcl:78 -msgid "Generating..." -msgstr "生成中..." - -#: lib/sshkey.tcl:84 -#, tcl-format -msgid "" -"Could not start ssh-keygen:\n" -"\n" -"%s" -msgstr "" -"ssh-keygen を起動できません:\n" -"\n" -"%s" - -#: lib/sshkey.tcl:111 -msgid "Generation failed." -msgstr "生成に失敗しました。" - -#: lib/sshkey.tcl:118 -msgid "Generation succeeded, but no keys found." -msgstr "生成には成功しましたが、鍵が見つかりません。" - -#: lib/sshkey.tcl:121 -#, tcl-format -msgid "Your key is in: %s" -msgstr "あなたの鍵は %s にあります" - -#: lib/status_bar.tcl:83 -#, tcl-format -msgid "%s ... %*i of %*i %s (%3i%%)" -msgstr "%1$s ... %4$*i %6$s 中の %2$*i (%7$3i%%)" - -#: lib/tools.tcl:75 -#, tcl-format -msgid "Running %s requires a selected file." -msgstr "ファイルを選択してから %s を起動してください。" - -#: lib/tools.tcl:90 -#, tcl-format -msgid "Are you sure you want to run %s?" -msgstr "本当に %s を起動しますか?" - -#: lib/tools.tcl:110 -#, tcl-format -msgid "Tool: %s" -msgstr "ツール: %s" - -#: lib/tools.tcl:111 -#, tcl-format -msgid "Running: %s" -msgstr "実行中: %s" - -#: lib/tools.tcl:149 -#, tcl-format -msgid "Tool completed successfully: %s" -msgstr "ツールが完了しました: %s" - -#: lib/tools.tcl:151 -#, tcl-format -msgid "Tool failed: %s" -msgstr "ツールが失敗しました: %s" - -#: lib/tools_dlg.tcl:22 -msgid "Add Tool" -msgstr "ツールの追加" - -#: lib/tools_dlg.tcl:28 -msgid "Add New Tool Command" -msgstr "新規ツールコマンドの追加" - -#: lib/tools_dlg.tcl:33 -msgid "Add globally" -msgstr "全体に追加" - -#: lib/tools_dlg.tcl:45 -msgid "Tool Details" -msgstr "ツールの詳細" - -#: lib/tools_dlg.tcl:48 -msgid "Use '/' separators to create a submenu tree:" -msgstr "'/' でサブメニューを区切ります:" - -#: lib/tools_dlg.tcl:61 -msgid "Command:" -msgstr "コマンド:" - -#: lib/tools_dlg.tcl:74 -msgid "Show a dialog before running" -msgstr "起動する前にダイアログを表示" - -#: lib/tools_dlg.tcl:80 -msgid "Ask the user to select a revision (sets $REVISION)" -msgstr "ユーザにコミットを一つ選ばせる ($REVISION にセットします)" - -#: lib/tools_dlg.tcl:85 -msgid "Ask the user for additional arguments (sets $ARGS)" -msgstr "ユーザに他の引数を追加させる ($ARGS にセットします)" - -#: lib/tools_dlg.tcl:92 -msgid "Don't show the command output window" -msgstr "コマンドからの出力ウィンドウを見せない" - -#: lib/tools_dlg.tcl:97 -msgid "Run only if a diff is selected ($FILENAME not empty)" -msgstr "パッチが選ばれているときだけ動かす($FILENAME が空でない)" - -#: lib/tools_dlg.tcl:121 -msgid "Please supply a name for the tool." -msgstr "ツール名を指定して下さい。" - -#: lib/tools_dlg.tcl:129 -#, tcl-format -msgid "Tool '%s' already exists." -msgstr "ツール '%s' は既に存在します。" - -#: lib/tools_dlg.tcl:151 -#, tcl-format -msgid "" -"Could not add tool:\n" -"%s" -msgstr "" -"ツールを追加できません:\n" -"%s" - -#: lib/tools_dlg.tcl:190 -msgid "Remove Tool" -msgstr "ツールの削除" - -#: lib/tools_dlg.tcl:196 -msgid "Remove Tool Commands" -msgstr "ツールコマンドの削除" - -#: lib/tools_dlg.tcl:200 -msgid "Remove" -msgstr "削除" - -#: lib/tools_dlg.tcl:236 -msgid "(Blue denotes repository-local tools)" -msgstr "(青色はローカルレポジトリのツールです)" - -#: lib/tools_dlg.tcl:297 -#, tcl-format -msgid "Run Command: %s" -msgstr "コマンドを起動: %s" - -#: lib/tools_dlg.tcl:311 -msgid "Arguments" -msgstr "引数" - -#: lib/tools_dlg.tcl:348 -msgid "OK" -msgstr "OK" - -#: lib/transport.tcl:7 -#, tcl-format -msgid "Fetching new changes from %s" -msgstr "%s から新しい変更をフェッチしています" - -#: lib/transport.tcl:18 -#, tcl-format -msgid "remote prune %s" -msgstr "遠隔刈込 %s" - -#: lib/transport.tcl:19 -#, tcl-format -msgid "Pruning tracking branches deleted from %s" -msgstr "%s から削除されたトラッキング・ブランチを刈っています" - -#: lib/transport.tcl:26 -#, tcl-format -msgid "Pushing changes to %s" -msgstr "%s へ変更をプッシュしています" - -#: lib/transport.tcl:64 -#, tcl-format -msgid "Mirroring to %s" -msgstr "%s へミラーしています" - -#: lib/transport.tcl:82 -#, tcl-format -msgid "Pushing %s %s to %s" -msgstr "%3$s へ %1$s %2$s をプッシュしています" - -#: lib/transport.tcl:100 -msgid "Push Branches" -msgstr "ブランチをプッシュ" - -#: lib/transport.tcl:114 -msgid "Source Branches" -msgstr "元のブランチ" - -#: lib/transport.tcl:131 -msgid "Destination Repository" -msgstr "送り先リポジトリ" - -#: lib/transport.tcl:169 -msgid "Transfer Options" -msgstr "通信オプション" - -#: lib/transport.tcl:171 -msgid "Force overwrite existing branch (may discard changes)" -msgstr "既存ブランチを上書き(変更を破棄する可能性があります)" - -#: lib/transport.tcl:175 -msgid "Use thin pack (for slow network connections)" -msgstr "Thin Pack を使う（遅いネットワーク接続）" - -#: lib/transport.tcl:179 -msgid "Include tags" -msgstr "タグを含める" diff --git a/git-submodule.sh b/git-submodule.sh index b57f87de65..a1cc71b521 100755 --- a/git-submodule.sh +++ b/git-submodule.sh @@ -576,7 +576,7 @@ cmd_update() ${wt_prefix:+--prefix "$wt_prefix"} \ ${prefix:+--recursive-prefix "$prefix"} \ ${update:+--update "$update"} \ - ${reference:+--reference "$reference"} \ + ${reference:+"$reference"} \ ${depth:+--depth "$depth"} \ ${recommend_shallow:+"$recommend_shallow"} \ ${jobs:+$jobs} \ @@ -522,21 +522,34 @@ static void strip_extension(const char **argv) static void handle_builtin(int argc, const char **argv) { + struct argv_array args = ARGV_ARRAY_INIT; const char *cmd; struct cmd_struct *builtin; strip_extension(argv); cmd = argv[0]; - /* Turn "git cmd --help" into "git help cmd" */ + /* Turn "git cmd --help" into "git help --exclude-guides cmd" */ if (argc > 1 && !strcmp(argv[1], "--help")) { + int i; + argv[1] = argv[0]; argv[0] = cmd = "help"; + + for (i = 0; i < argc; i++) { + argv_array_push(&args, argv[i]); + if (!i) + argv_array_push(&args, "--exclude-guides"); + } + + argc++; + argv = args.argv; } builtin = get_builtin(cmd); if (builtin) exit(run_builtin(builtin, argc, argv)); + argv_array_clear(&args); } static void execv_dashed_external(const char **argv) @@ -2,7 +2,6 @@ #include "commit.h" #include "color.h" #include "graph.h" -#include "diff.h" #include "revision.h" /* Internal API */ @@ -28,8 +27,15 @@ static void graph_padding_line(struct git_graph *graph, struct strbuf *sb); * responsible for printing this line's graph (perhaps via * graph_show_commit() or graph_show_oneline()) before calling * graph_show_strbuf(). + * + * Note that unlike some other graph display functions, you must pass the file + * handle directly. It is assumed that this is the same file handle as the + * file specified by the graph diff options. This is necessary so that + * graph_show_strbuf can be called even with a NULL graph. */ -static void graph_show_strbuf(struct git_graph *graph, struct strbuf const *sb); +static void graph_show_strbuf(struct git_graph *graph, + FILE *file, + struct strbuf const *sb); /* * TODO: @@ -59,6 +65,17 @@ enum graph_state { GRAPH_COLLAPSING }; +static void graph_show_line_prefix(const struct diff_options *diffopt) +{ + if (!diffopt || !diffopt->line_prefix) + return; + + fwrite(diffopt->line_prefix, + sizeof(char), + diffopt->line_prefix_length, + diffopt->file); +} + static const char **column_colors; static unsigned short column_colors_max; @@ -195,14 +212,28 @@ static struct strbuf *diff_output_prefix_callback(struct diff_options *opt, void static struct strbuf msgbuf = STRBUF_INIT; assert(opt); - assert(graph); - opt->output_prefix_length = graph->width; strbuf_reset(&msgbuf); - graph_padding_line(graph, &msgbuf); + if (opt->line_prefix) + strbuf_add(&msgbuf, opt->line_prefix, + opt->line_prefix_length); + if (graph) + graph_padding_line(graph, &msgbuf); return &msgbuf; } +static const struct diff_options *default_diffopt; + +void graph_setup_line_prefix(struct diff_options *diffopt) +{ + default_diffopt = diffopt; + + /* setup an output prefix callback if necessary */ + if (diffopt && !diffopt->output_prefix) + diffopt->output_prefix = diff_output_prefix_callback; +} + + struct git_graph *graph_init(struct rev_info *opt) { struct git_graph *graph = xmalloc(sizeof(struct git_graph)); @@ -245,7 +276,6 @@ struct git_graph *graph_init(struct rev_info *opt) */ opt->diffopt.output_prefix = diff_output_prefix_callback; opt->diffopt.output_prefix_data = graph; - opt->diffopt.output_prefix_length = 0; return graph; } @@ -1185,6 +1215,8 @@ void graph_show_commit(struct git_graph *graph) struct strbuf msgbuf = STRBUF_INIT; int shown_commit_line = 0; + graph_show_line_prefix(default_diffopt); + if (!graph) return; @@ -1202,8 +1234,10 @@ void graph_show_commit(struct git_graph *graph) shown_commit_line = graph_next_line(graph, &msgbuf); fwrite(msgbuf.buf, sizeof(char), msgbuf.len, graph->revs->diffopt.file); - if (!shown_commit_line) + if (!shown_commit_line) { putc('\n', graph->revs->diffopt.file); + graph_show_line_prefix(&graph->revs->diffopt); + } strbuf_setlen(&msgbuf, 0); } @@ -1214,6 +1248,8 @@ void graph_show_oneline(struct git_graph *graph) { struct strbuf msgbuf = STRBUF_INIT; + graph_show_line_prefix(default_diffopt); + if (!graph) return; @@ -1226,6 +1262,8 @@ void graph_show_padding(struct git_graph *graph) { struct strbuf msgbuf = STRBUF_INIT; + graph_show_line_prefix(default_diffopt); + if (!graph) return; @@ -1239,6 +1277,8 @@ int graph_show_remainder(struct git_graph *graph) struct strbuf msgbuf = STRBUF_INIT; int shown = 0; + graph_show_line_prefix(default_diffopt); + if (!graph) return 0; @@ -1252,27 +1292,24 @@ int graph_show_remainder(struct git_graph *graph) strbuf_setlen(&msgbuf, 0); shown = 1; - if (!graph_is_commit_finished(graph)) + if (!graph_is_commit_finished(graph)) { putc('\n', graph->revs->diffopt.file); - else + graph_show_line_prefix(&graph->revs->diffopt); + } else { break; + } } strbuf_release(&msgbuf); return shown; } - -static void graph_show_strbuf(struct git_graph *graph, struct strbuf const *sb) +static void graph_show_strbuf(struct git_graph *graph, + FILE *file, + struct strbuf const *sb) { char *p; - if (!graph) { - fwrite(sb->buf, sizeof(char), sb->len, - graph->revs->diffopt.file); - return; - } - /* * Print the strbuf line by line, * and display the graph info before each line but the first. @@ -1287,7 +1324,7 @@ static void graph_show_strbuf(struct git_graph *graph, struct strbuf const *sb) } else { len = (sb->buf + sb->len) - p; } - fwrite(p, sizeof(char), len, graph->revs->diffopt.file); + fwrite(p, sizeof(char), len, file); if (next_p && *next_p != '\0') graph_show_oneline(graph); p = next_p; @@ -1295,29 +1332,20 @@ static void graph_show_strbuf(struct git_graph *graph, struct strbuf const *sb) } void graph_show_commit_msg(struct git_graph *graph, + FILE *file, struct strbuf const *sb) { int newline_terminated; - if (!graph) { - /* - * If there's no graph, just print the message buffer. - * - * The message buffer for CMIT_FMT_ONELINE and - * CMIT_FMT_USERFORMAT are already missing a terminating - * newline. All of the other formats should have it. - */ - fwrite(sb->buf, sizeof(char), sb->len, - graph->revs->diffopt.file); - return; - } - - newline_terminated = (sb->len && sb->buf[sb->len - 1] == '\n'); - /* * Show the commit message */ - graph_show_strbuf(graph, sb); + graph_show_strbuf(graph, file, sb); + + if (!graph) + return; + + newline_terminated = (sb->len && sb->buf[sb->len - 1] == '\n'); /* * If there is more output needed for this commit, show it now @@ -1329,7 +1357,7 @@ void graph_show_commit_msg(struct git_graph *graph, * new line. */ if (!newline_terminated) - putc('\n', graph->revs->diffopt.file); + putc('\n', file); graph_show_remainder(graph); @@ -1337,6 +1365,6 @@ void graph_show_commit_msg(struct git_graph *graph, * If sb ends with a newline, our output should too. */ if (newline_terminated) - putc('\n', graph->revs->diffopt.file); + putc('\n', file); } } @@ -1,10 +1,23 @@ #ifndef GRAPH_H #define GRAPH_H +#include "diff.h" /* A graph is a pointer to this opaque structure */ struct git_graph; /* + * Called to setup global display of line_prefix diff option. + * + * Passed a diff_options structure which indicates the line_prefix and the + * file to output the prefix to. This is sort of a hack used so that the + * line_prefix will be honored by all flows which also honor "--graph" + * regardless of whether a graph has actually been setup. The normal graph + * flow will honor the exact diff_options passed, but a NULL graph will cause + * display of a line_prefix to stdout. + */ +void graph_setup_line_prefix(struct diff_options *diffopt); + +/* * Set up a custom scheme for column colors. * * The default column color scheme inserts ANSI color escapes to colorize @@ -113,7 +126,14 @@ int graph_show_remainder(struct git_graph *graph); * missing a terminating newline (including if it is empty), the output * printed by graph_show_commit_msg() will also be missing a terminating * newline. + * + * Note that unlike some other graph display functions, you must pass the file + * handle directly. It is assumed that this is the same file handle as the + * file specified by the graph diff options. This is necessary so that + * graph_show_commit_msg can be called even with a NULL graph. */ -void graph_show_commit_msg(struct git_graph *graph, struct strbuf const *sb); +void graph_show_commit_msg(struct git_graph *graph, + FILE *file, + struct strbuf const *sb); #endif /* GRAPH_H */ @@ -723,7 +723,7 @@ static CURL *get_curl_handle(void) * precedence here, as in CURL. */ if (!curl_http_proxy) { - if (!strcmp(http_auth.protocol, "https")) { + if (http_auth.protocol && !strcmp(http_auth.protocol, "https")) { var_override(&curl_http_proxy, getenv("HTTPS_PROXY")); var_override(&curl_http_proxy, getenv("https_proxy")); } else { diff --git a/log-tree.c b/log-tree.c index bfb735c845..8c2415747a 100644 --- a/log-tree.c +++ b/log-tree.c @@ -715,10 +715,7 @@ void show_log(struct rev_info *opt) else opt->missing_newline = 0; - if (opt->graph) - graph_show_commit_msg(opt->graph, &msgbuf); - else - fwrite(msgbuf.buf, sizeof(char), msgbuf.len, opt->diffopt.file); + graph_show_commit_msg(opt->graph, opt->diffopt.file, &msgbuf); if (opt->use_terminator && !commit_format_is_empty(opt->commit_format)) { if (!opt->missing_newline) graph_show_padding(opt->graph); diff --git a/merge-recursive.c b/merge-recursive.c index e34912683c..3750d2534f 100644 --- a/merge-recursive.c +++ b/merge-recursive.c @@ -382,7 +382,7 @@ static struct string_list *get_unmerged(void) } e = item->util; e->stages[ce_stage(ce)].mode = ce->ce_mode; - hashcpy(e->stages[ce_stage(ce)].oid.hash, ce->sha1); + oidcpy(&e->stages[ce_stage(ce)].oid, &ce->oid); } return unmerged; @@ -910,9 +910,9 @@ static int merge_3way(struct merge_options *o, name2 = mkpathdup("%s", branch2); } - read_mmblob(&orig, one->oid.hash); - read_mmblob(&src1, a->oid.hash); - read_mmblob(&src2, b->oid.hash); + read_mmblob(&orig, &one->oid); + read_mmblob(&src1, &a->oid); + read_mmblob(&src2, &b->oid); merge_status = ll_merge(result_buf, a->path, &orig, base_name, &src1, name1, &src2, name2, &ll_opts); @@ -57,7 +57,8 @@ int checkout_fast_forward(const unsigned char *head, refresh_cache(REFRESH_QUIET); - hold_locked_index(lock_file, 1); + if (hold_locked_index(lock_file, 0) < 0) + return -1; memset(&trees, 0, sizeof(trees)); memset(&opts, 0, sizeof(opts)); @@ -90,7 +91,9 @@ int checkout_fast_forward(const unsigned char *head, } if (unpack_trees(nr_trees, t, &opts)) return -1; - if (write_locked_index(&the_index, lock_file, COMMIT_LOCK)) - die(_("unable to write new index file")); + if (write_locked_index(&the_index, lock_file, COMMIT_LOCK)) { + rollback_lock_file(lock_file); + return error(_("unable to write new index file")); + } return 0; } diff --git a/notes-merge.c b/notes-merge.c index 97fc42f64b..b3536284c4 100644 --- a/notes-merge.c +++ b/notes-merge.c @@ -12,7 +12,7 @@ #include "notes-utils.h" struct notes_merge_pair { - unsigned char obj[20], base[20], local[20], remote[20]; + struct object_id obj, base, local, remote; }; void init_notes_merge_options(struct notes_merge_options *o) @@ -75,7 +75,7 @@ static struct notes_merge_pair *find_notes_merge_pair_pos( int i = last_index < len ? last_index : len - 1; int prev_cmp = 0, cmp = -1; while (i >= 0 && i < len) { - cmp = hashcmp(obj, list[i].obj); + cmp = hashcmp(obj, list[i].obj.hash); if (!cmp) /* obj belongs @ i */ break; else if (cmp < 0 && prev_cmp <= 0) /* obj belongs < i */ @@ -108,9 +108,10 @@ static struct notes_merge_pair *find_notes_merge_pair_pos( return list + i; } -static unsigned char uninitialized[20] = +static struct object_id uninitialized = { "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" \ - "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"; + "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" +}; static struct notes_merge_pair *diff_tree_remote(struct notes_merge_options *o, const unsigned char *base, @@ -149,25 +150,25 @@ static struct notes_merge_pair *diff_tree_remote(struct notes_merge_options *o, mp = find_notes_merge_pair_pos(changes, len, obj, 1, &occupied); if (occupied) { /* We've found an addition/deletion pair */ - assert(!hashcmp(mp->obj, obj)); + assert(!hashcmp(mp->obj.hash, obj)); if (is_null_oid(&p->one->oid)) { /* addition */ - assert(is_null_sha1(mp->remote)); - hashcpy(mp->remote, p->two->oid.hash); + assert(is_null_oid(&mp->remote)); + oidcpy(&mp->remote, &p->two->oid); } else if (is_null_oid(&p->two->oid)) { /* deletion */ - assert(is_null_sha1(mp->base)); - hashcpy(mp->base, p->one->oid.hash); + assert(is_null_oid(&mp->base)); + oidcpy(&mp->base, &p->one->oid); } else assert(!"Invalid existing change recorded"); } else { - hashcpy(mp->obj, obj); - hashcpy(mp->base, p->one->oid.hash); - hashcpy(mp->local, uninitialized); - hashcpy(mp->remote, p->two->oid.hash); + hashcpy(mp->obj.hash, obj); + oidcpy(&mp->base, &p->one->oid); + oidcpy(&mp->local, &uninitialized); + oidcpy(&mp->remote, &p->two->oid); len++; } trace_printf("\t\tStored remote change for %s: %.7s -> %.7s\n", - sha1_to_hex(mp->obj), sha1_to_hex(mp->base), - sha1_to_hex(mp->remote)); + oid_to_hex(&mp->obj), oid_to_hex(&mp->base), + oid_to_hex(&mp->remote)); } diff_flush(&opt); clear_pathspec(&opt.pathspec); @@ -216,7 +217,7 @@ static void diff_tree_local(struct notes_merge_options *o, continue; } - assert(!hashcmp(mp->obj, obj)); + assert(!hashcmp(mp->obj.hash, obj)); if (is_null_oid(&p->two->oid)) { /* deletion */ /* * Either this is a true deletion (1), or it is part @@ -227,8 +228,8 @@ static void diff_tree_local(struct notes_merge_options *o, * (3) mp->local is uninitialized; set it to null_sha1 * (will be overwritten by following addition) */ - if (!hashcmp(mp->local, uninitialized)) - hashclr(mp->local); + if (!oidcmp(&mp->local, &uninitialized)) + oidclr(&mp->local); } else if (is_null_oid(&p->one->oid)) { /* addition */ /* * Either this is a true addition (1), or it is part @@ -238,22 +239,22 @@ static void diff_tree_local(struct notes_merge_options *o, * (2) mp->local is uninitialized; set to p->two->sha1 * (3) mp->local is null_sha1; set to p->two->sha1 */ - assert(is_null_sha1(mp->local) || - !hashcmp(mp->local, uninitialized)); - hashcpy(mp->local, p->two->oid.hash); + assert(is_null_oid(&mp->local) || + !oidcmp(&mp->local, &uninitialized)); + oidcpy(&mp->local, &p->two->oid); } else { /* modification */ /* * This is a true modification. p->one->sha1 shall * match mp->base, and mp->local shall be uninitialized. * Set mp->local to p->two->sha1. */ - assert(!hashcmp(p->one->oid.hash, mp->base)); - assert(!hashcmp(mp->local, uninitialized)); - hashcpy(mp->local, p->two->oid.hash); + assert(!oidcmp(&p->one->oid, &mp->base)); + assert(!oidcmp(&mp->local, &uninitialized)); + oidcpy(&mp->local, &p->two->oid); } trace_printf("\t\tStored local change for %s: %.7s -> %.7s\n", - sha1_to_hex(mp->obj), sha1_to_hex(mp->base), - sha1_to_hex(mp->local)); + oid_to_hex(&mp->obj), oid_to_hex(&mp->base), + oid_to_hex(&mp->local)); } diff_flush(&opt); clear_pathspec(&opt.pathspec); @@ -343,11 +344,11 @@ static int ll_merge_in_worktree(struct notes_merge_options *o, mmfile_t base, local, remote; int status; - read_mmblob(&base, p->base); - read_mmblob(&local, p->local); - read_mmblob(&remote, p->remote); + read_mmblob(&base, &p->base); + read_mmblob(&local, &p->local); + read_mmblob(&remote, &p->remote); - status = ll_merge(&result_buf, sha1_to_hex(p->obj), &base, NULL, + status = ll_merge(&result_buf, oid_to_hex(&p->obj), &base, NULL, &local, o->local_ref, &remote, o->remote_ref, NULL); free(base.ptr); @@ -357,7 +358,7 @@ static int ll_merge_in_worktree(struct notes_merge_options *o, if ((status < 0) || !result_buf.ptr) die("Failed to execute internal merge"); - write_buf_to_worktree(p->obj, result_buf.ptr, result_buf.size); + write_buf_to_worktree(p->obj.hash, result_buf.ptr, result_buf.size); free(result_buf.ptr); return status; @@ -372,51 +373,52 @@ static int merge_one_change_manual(struct notes_merge_options *o, trace_printf("\t\t\tmerge_one_change_manual(obj = %.7s, base = %.7s, " "local = %.7s, remote = %.7s)\n", - sha1_to_hex(p->obj), sha1_to_hex(p->base), - sha1_to_hex(p->local), sha1_to_hex(p->remote)); + oid_to_hex(&p->obj), oid_to_hex(&p->base), + oid_to_hex(&p->local), oid_to_hex(&p->remote)); /* add "Conflicts:" section to commit message first time through */ if (!o->has_worktree) strbuf_addstr(&(o->commit_msg), "\n\nConflicts:\n"); - strbuf_addf(&(o->commit_msg), "\t%s\n", sha1_to_hex(p->obj)); + strbuf_addf(&(o->commit_msg), "\t%s\n", oid_to_hex(&p->obj)); if (o->verbosity >= 2) - printf("Auto-merging notes for %s\n", sha1_to_hex(p->obj)); + printf("Auto-merging notes for %s\n", oid_to_hex(&p->obj)); check_notes_merge_worktree(o); - if (is_null_sha1(p->local)) { + if (is_null_oid(&p->local)) { /* D/F conflict, checkout p->remote */ - assert(!is_null_sha1(p->remote)); + assert(!is_null_oid(&p->remote)); if (o->verbosity >= 1) printf("CONFLICT (delete/modify): Notes for object %s " "deleted in %s and modified in %s. Version from %s " "left in tree.\n", - sha1_to_hex(p->obj), lref, rref, rref); - write_note_to_worktree(p->obj, p->remote); - } else if (is_null_sha1(p->remote)) { + oid_to_hex(&p->obj), lref, rref, rref); + write_note_to_worktree(p->obj.hash, p->remote.hash); + } else if (is_null_oid(&p->remote)) { /* D/F conflict, checkout p->local */ - assert(!is_null_sha1(p->local)); + assert(!is_null_oid(&p->local)); if (o->verbosity >= 1) printf("CONFLICT (delete/modify): Notes for object %s " "deleted in %s and modified in %s. Version from %s " "left in tree.\n", - sha1_to_hex(p->obj), rref, lref, lref); - write_note_to_worktree(p->obj, p->local); + oid_to_hex(&p->obj), rref, lref, lref); + write_note_to_worktree(p->obj.hash, p->local.hash); } else { /* "regular" conflict, checkout result of ll_merge() */ const char *reason = "content"; - if (is_null_sha1(p->base)) + if (is_null_oid(&p->base)) reason = "add/add"; - assert(!is_null_sha1(p->local)); - assert(!is_null_sha1(p->remote)); + assert(!is_null_oid(&p->local)); + assert(!is_null_oid(&p->remote)); if (o->verbosity >= 1) printf("CONFLICT (%s): Merge conflict in notes for " - "object %s\n", reason, sha1_to_hex(p->obj)); + "object %s\n", reason, + oid_to_hex(&p->obj)); ll_merge_in_worktree(o, p); } trace_printf("\t\t\tremoving from partial merge result\n"); - remove_note(t, p->obj); + remove_note(t, p->obj.hash); return 1; } @@ -435,29 +437,29 @@ static int merge_one_change(struct notes_merge_options *o, case NOTES_MERGE_RESOLVE_OURS: if (o->verbosity >= 2) printf("Using local notes for %s\n", - sha1_to_hex(p->obj)); + oid_to_hex(&p->obj)); /* nothing to do */ return 0; case NOTES_MERGE_RESOLVE_THEIRS: if (o->verbosity >= 2) printf("Using remote notes for %s\n", - sha1_to_hex(p->obj)); - if (add_note(t, p->obj, p->remote, combine_notes_overwrite)) + oid_to_hex(&p->obj)); + if (add_note(t, p->obj.hash, p->remote.hash, combine_notes_overwrite)) die("BUG: combine_notes_overwrite failed"); return 0; case NOTES_MERGE_RESOLVE_UNION: if (o->verbosity >= 2) printf("Concatenating local and remote notes for %s\n", - sha1_to_hex(p->obj)); - if (add_note(t, p->obj, p->remote, combine_notes_concatenate)) + oid_to_hex(&p->obj)); + if (add_note(t, p->obj.hash, p->remote.hash, combine_notes_concatenate)) die("failed to concatenate notes " "(combine_notes_concatenate)"); return 0; case NOTES_MERGE_RESOLVE_CAT_SORT_UNIQ: if (o->verbosity >= 2) printf("Concatenating unique lines in local and remote " - "notes for %s\n", sha1_to_hex(p->obj)); - if (add_note(t, p->obj, p->remote, combine_notes_cat_sort_uniq)) + "notes for %s\n", oid_to_hex(&p->obj)); + if (add_note(t, p->obj.hash, p->remote.hash, combine_notes_cat_sort_uniq)) die("failed to concatenate notes " "(combine_notes_cat_sort_uniq)"); return 0; @@ -475,20 +477,21 @@ static int merge_changes(struct notes_merge_options *o, for (i = 0; i < *num_changes; i++) { struct notes_merge_pair *p = changes + i; trace_printf("\t\t%.7s: %.7s -> %.7s/%.7s\n", - sha1_to_hex(p->obj), sha1_to_hex(p->base), - sha1_to_hex(p->local), sha1_to_hex(p->remote)); + oid_to_hex(&p->obj), oid_to_hex(&p->base), + oid_to_hex(&p->local), + oid_to_hex(&p->remote)); - if (!hashcmp(p->base, p->remote)) { + if (!oidcmp(&p->base, &p->remote)) { /* no remote change; nothing to do */ trace_printf("\t\t\tskipping (no remote change)\n"); - } else if (!hashcmp(p->local, p->remote)) { + } else if (!oidcmp(&p->local, &p->remote)) { /* same change in local and remote; nothing to do */ trace_printf("\t\t\tskipping (local == remote)\n"); - } else if (!hashcmp(p->local, uninitialized) || - !hashcmp(p->local, p->base)) { + } else if (!oidcmp(&p->local, &uninitialized) || + !oidcmp(&p->local, &p->base)) { /* no local change; adopt remote change */ trace_printf("\t\t\tno local change, adopted remote\n"); - if (add_note(t, p->obj, p->remote, + if (add_note(t, p->obj.hash, p->remote.hash, combine_notes_overwrite)) die("BUG: combine_notes_overwrite failed"); } else { @@ -993,7 +993,7 @@ const char *default_notes_ref(void) void init_notes(struct notes_tree *t, const char *notes_ref, combine_notes_fn combine_notes, int flags) { - unsigned char sha1[20], object_sha1[20]; + struct object_id oid, object_oid; unsigned mode; struct leaf_node root_tree; @@ -1017,16 +1017,16 @@ void init_notes(struct notes_tree *t, const char *notes_ref, t->dirty = 0; if (flags & NOTES_INIT_EMPTY || !notes_ref || - get_sha1_treeish(notes_ref, object_sha1)) + get_sha1_treeish(notes_ref, object_oid.hash)) return; - if (flags & NOTES_INIT_WRITABLE && read_ref(notes_ref, object_sha1)) + if (flags & NOTES_INIT_WRITABLE && read_ref(notes_ref, object_oid.hash)) die("Cannot use notes ref %s", notes_ref); - if (get_tree_entry(object_sha1, "", sha1, &mode)) + if (get_tree_entry(object_oid.hash, "", oid.hash, &mode)) die("Failed to read notes tree referenced by %s (%s)", - notes_ref, sha1_to_hex(object_sha1)); + notes_ref, oid_to_hex(&object_oid)); hashclr(root_tree.key_sha1); - hashcpy(root_tree.val_sha1, sha1); + hashcpy(root_tree.val_sha1, oid.hash); load_subtree(t, &root_tree, t->root, 0); } @@ -6,6 +6,7 @@ #include "string-list.h" #include "dir.h" #include "worktree.h" +#include "submodule-config.h" static int get_st_mode_bits(const char *path, int *mode) { @@ -468,12 +469,16 @@ const char *worktree_git_path(const struct worktree *wt, const char *fmt, ...) return pathname->buf; } -static void do_submodule_path(struct strbuf *buf, const char *path, - const char *fmt, va_list args) +/* Returns 0 on success, negative on failure. */ +#define SUBMODULE_PATH_ERR_NOT_CONFIGURED -1 +static int do_submodule_path(struct strbuf *buf, const char *path, + const char *fmt, va_list args) { const char *git_dir; struct strbuf git_submodule_common_dir = STRBUF_INIT; struct strbuf git_submodule_dir = STRBUF_INIT; + const struct submodule *sub; + int err = 0; strbuf_addstr(buf, path); strbuf_complete(buf, '/'); @@ -484,6 +489,17 @@ static void do_submodule_path(struct strbuf *buf, const char *path, strbuf_reset(buf); strbuf_addstr(buf, git_dir); } + if (!is_git_directory(buf->buf)) { + gitmodules_config(); + sub = submodule_from_path(null_sha1, path); + if (!sub) { + err = SUBMODULE_PATH_ERR_NOT_CONFIGURED; + goto cleanup; + } + strbuf_reset(buf); + strbuf_git_path(buf, "%s/%s", "modules", sub->name); + } + strbuf_addch(buf, '/'); strbuf_addbuf(&git_submodule_dir, buf); @@ -494,27 +510,38 @@ static void do_submodule_path(struct strbuf *buf, const char *path, strbuf_cleanup_path(buf); +cleanup: strbuf_release(&git_submodule_dir); strbuf_release(&git_submodule_common_dir); + + return err; } char *git_pathdup_submodule(const char *path, const char *fmt, ...) { + int err; va_list args; struct strbuf buf = STRBUF_INIT; va_start(args, fmt); - do_submodule_path(&buf, path, fmt, args); + err = do_submodule_path(&buf, path, fmt, args); va_end(args); + if (err) { + strbuf_release(&buf); + return NULL; + } return strbuf_detach(&buf, NULL); } -void strbuf_git_path_submodule(struct strbuf *buf, const char *path, - const char *fmt, ...) +int strbuf_git_path_submodule(struct strbuf *buf, const char *path, + const char *fmt, ...) { + int err; va_list args; va_start(args, fmt); - do_submodule_path(buf, path, fmt, args); + err = do_submodule_path(buf, path, fmt, args); va_end(args); + + return err; } static void do_git_common_path(struct strbuf *buf, diff --git a/read-cache.c b/read-cache.c index 491e52d120..31eddec5f7 100644 --- a/read-cache.c +++ b/read-cache.c @@ -161,7 +161,7 @@ static int ce_compare_data(const struct cache_entry *ce, struct stat *st) if (fd >= 0) { unsigned char sha1[20]; if (!index_fd(sha1, fd, st, OBJ_BLOB, ce->name, 0)) - match = hashcmp(sha1, ce->sha1); + match = hashcmp(sha1, ce->oid.hash); /* index_fd() closed the file descriptor already */ } return match; @@ -178,7 +178,7 @@ static int ce_compare_link(const struct cache_entry *ce, size_t expected_size) if (strbuf_readlink(&sb, ce->name, expected_size)) return -1; - buffer = read_sha1_file(ce->sha1, &type, &size); + buffer = read_sha1_file(ce->oid.hash, &type, &size); if (buffer) { if (size == sb.len) match = memcmp(buffer, sb.buf, size); @@ -202,7 +202,7 @@ static int ce_compare_gitlink(const struct cache_entry *ce) */ if (resolve_gitlink_ref(ce->name, "HEAD", sha1) < 0) return 0; - return hashcmp(sha1, ce->sha1); + return hashcmp(sha1, ce->oid.hash); } static int ce_modified_check_fs(const struct cache_entry *ce, struct stat *st) @@ -262,7 +262,7 @@ static int ce_match_stat_basic(const struct cache_entry *ce, struct stat *st) /* Racily smudged entry? */ if (!ce->ce_stat_data.sd_size) { - if (!is_empty_blob_sha1(ce->sha1)) + if (!is_empty_blob_sha1(ce->oid.hash)) changed |= DATA_CHANGED; } @@ -624,7 +624,7 @@ void set_object_name_for_intent_to_add_entry(struct cache_entry *ce) unsigned char sha1[20]; if (write_sha1_file("", 0, blob_type, sha1)) die("cannot create an empty blob in the object database"); - hashcpy(ce->sha1, sha1); + hashcpy(ce->oid.hash, sha1); } int add_to_index(struct index_state *istate, const char *path, struct stat *st, int flags, int force_mode) @@ -691,7 +691,7 @@ int add_to_index(struct index_state *istate, const char *path, struct stat *st, return 0; } if (!intent_only) { - if (index_path(ce->sha1, path, st, HASH_WRITE_OBJECT)) { + if (index_path(ce->oid.hash, path, st, HASH_WRITE_OBJECT)) { free(ce); return error("unable to index file %s", path); } @@ -705,7 +705,7 @@ int add_to_index(struct index_state *istate, const char *path, struct stat *st, /* It was suspected to be racily clean, but it turns out to be Ok */ was_same = (alias && !ce_stage(alias) && - !hashcmp(alias->sha1, ce->sha1) && + !oidcmp(&alias->oid, &ce->oid) && ce->ce_mode == alias->ce_mode); if (pretend) @@ -744,7 +744,7 @@ struct cache_entry *make_cache_entry(unsigned int mode, size = cache_entry_size(len); ce = xcalloc(1, size); - hashcpy(ce->sha1, sha1); + hashcpy(ce->oid.hash, sha1); memcpy(ce->name, path, len); ce->ce_flags = create_ce_flags(stage); ce->ce_namelen = len; @@ -1424,7 +1424,7 @@ static struct cache_entry *cache_entry_from_ondisk(struct ondisk_cache_entry *on ce->ce_flags = flags & ~CE_NAMEMASK; ce->ce_namelen = len; ce->index = 0; - hashcpy(ce->sha1, ondisk->sha1); + hashcpy(ce->oid.hash, ondisk->sha1); memcpy(ce->name, name, len); ce->name[len] = '\0'; return ce; @@ -1849,7 +1849,7 @@ static char *copy_cache_entry_to_ondisk(struct ondisk_cache_entry *ondisk, ondisk->uid = htonl(ce->ce_stat_data.sd_uid); ondisk->gid = htonl(ce->ce_stat_data.sd_gid); ondisk->size = htonl(ce->ce_stat_data.sd_size); - hashcpy(ondisk->sha1, ce->sha1); + hashcpy(ondisk->sha1, ce->oid.hash); flags = ce->ce_flags & ~CE_NAMEMASK; flags |= (ce_namelen(ce) >= CE_NAMEMASK ? CE_NAMEMASK : ce_namelen(ce)); @@ -2038,7 +2038,7 @@ static int do_write_index(struct index_state *istate, int newfd, continue; if (!ce_uptodate(ce) && is_racy_timestamp(istate, ce)) ce_smudge_racily_clean_entry(ce); - if (is_null_sha1(ce->sha1)) { + if (is_null_oid(&ce->oid)) { static const char msg[] = "cache entry has null sha1: %s"; static int allow = -1; @@ -2285,7 +2285,7 @@ void *read_blob_data_from_index(struct index_state *istate, const char *path, un } if (pos < 0) return NULL; - data = read_sha1_file(istate->cache[pos]->sha1, &type, &sz); + data = read_sha1_file(istate->cache[pos]->oid.hash, &type, &sz); if (!data || type != OBJ_BLOB) { free(data); return NULL; @@ -10,6 +10,25 @@ #include "tag.h" /* + * List of all available backends + */ +static struct ref_storage_be *refs_backends = &refs_be_files; + +static struct ref_storage_be *find_ref_storage_backend(const char *name) +{ + struct ref_storage_be *be; + for (be = refs_backends; be; be = be->next) + if (!strcmp(be->name, name)) + return be; + return NULL; +} + +int ref_storage_backend_exists(const char *name) +{ + return find_ref_storage_backend(name) != NULL; +} + +/* * How to handle various characters in refnames: * 0: An acceptable character for refs * 1: End-of-component @@ -858,6 +877,14 @@ int ref_transaction_verify(struct ref_transaction *transaction, flags, NULL, err); } +int update_ref_oid(const char *msg, const char *refname, + const struct object_id *new_oid, const struct object_id *old_oid, + unsigned int flags, enum action_on_err onerr) +{ + return update_ref(msg, refname, new_oid ? new_oid->hash : NULL, + old_oid ? old_oid->hash : NULL, flags, onerr); +} + int update_ref(const char *msg, const char *refname, const unsigned char *new_sha1, const unsigned char *old_sha1, unsigned int flags, enum action_on_err onerr) @@ -1081,20 +1108,20 @@ const char *find_descendant_ref(const char *dirname, return NULL; } -int rename_ref_available(const char *oldname, const char *newname) +int rename_ref_available(const char *old_refname, const char *new_refname) { struct string_list skip = STRING_LIST_INIT_NODUP; struct strbuf err = STRBUF_INIT; - int ret; + int ok; - string_list_insert(&skip, oldname); - ret = !verify_refname_available(newname, NULL, &skip, &err); - if (!ret) + string_list_insert(&skip, old_refname); + ok = !verify_refname_available(new_refname, NULL, &skip, &err); + if (!ok) error("%s", err.buf); string_list_clear(&skip, 0); strbuf_release(&err); - return ret; + return ok; } int head_ref_submodule(const char *submodule, each_ref_fn fn, void *cb_data) @@ -1132,9 +1159,13 @@ int head_ref(each_ref_fn fn, void *cb_data) static int do_for_each_ref(const char *submodule, const char *prefix, each_ref_fn fn, int trim, int flags, void *cb_data) { + struct ref_store *refs = get_ref_store(submodule); struct ref_iterator *iter; - iter = files_ref_iterator_begin(submodule, prefix, flags); + if (!refs) + return 0; + + iter = refs->be->iterator_begin(refs, prefix, flags); iter = prefix_ref_iterator_begin(iter, prefix, trim); return do_for_each_ref_iterator(iter, fn, cb_data); @@ -1193,8 +1224,10 @@ int for_each_rawref(each_ref_fn fn, void *cb_data) } /* This function needs to return a meaningful errno on failure */ -const char *resolve_ref_unsafe(const char *refname, int resolve_flags, - unsigned char *sha1, int *flags) +static const char *resolve_ref_recursively(struct ref_store *refs, + const char *refname, + int resolve_flags, + unsigned char *sha1, int *flags) { static struct strbuf sb_refname = STRBUF_INIT; int unused_flags; @@ -1226,7 +1259,8 @@ const char *resolve_ref_unsafe(const char *refname, int resolve_flags, for (symref_count = 0; symref_count < SYMREF_MAXDEPTH; symref_count++) { unsigned int read_flags = 0; - if (read_raw_ref(refname, sha1, &sb_refname, &read_flags)) { + if (refs->be->read_raw_ref(refs, refname, + sha1, &sb_refname, &read_flags)) { *flags |= read_flags; if (errno != ENOENT || (resolve_flags & RESOLVE_REF_READING)) return NULL; @@ -1265,3 +1299,266 @@ const char *resolve_ref_unsafe(const char *refname, int resolve_flags, errno = ELOOP; return NULL; } + +/* backend functions */ +int refs_init_db(struct strbuf *err) +{ + struct ref_store *refs = get_ref_store(NULL); + + return refs->be->init_db(refs, err); +} + +const char *resolve_ref_unsafe(const char *refname, int resolve_flags, + unsigned char *sha1, int *flags) +{ + return resolve_ref_recursively(get_ref_store(NULL), refname, + resolve_flags, sha1, flags); +} + +int resolve_gitlink_ref(const char *submodule, const char *refname, + unsigned char *sha1) +{ + size_t len = strlen(submodule); + struct ref_store *refs; + int flags; + + while (len && submodule[len - 1] == '/') + len--; + + if (!len) + return -1; + + if (submodule[len]) { + /* We need to strip off one or more trailing slashes */ + char *stripped = xmemdupz(submodule, len); + + refs = get_ref_store(stripped); + free(stripped); + } else { + refs = get_ref_store(submodule); + } + + if (!refs) + return -1; + + if (!resolve_ref_recursively(refs, refname, 0, sha1, &flags) || + is_null_sha1(sha1)) + return -1; + return 0; +} + +/* A pointer to the ref_store for the main repository: */ +static struct ref_store *main_ref_store; + +/* A linked list of ref_stores for submodules: */ +static struct ref_store *submodule_ref_stores; + +void base_ref_store_init(struct ref_store *refs, + const struct ref_storage_be *be, + const char *submodule) +{ + refs->be = be; + if (!submodule) { + if (main_ref_store) + die("BUG: main_ref_store initialized twice"); + + refs->submodule = ""; + refs->next = NULL; + main_ref_store = refs; + } else { + if (lookup_ref_store(submodule)) + die("BUG: ref_store for submodule '%s' initialized twice", + submodule); + + refs->submodule = xstrdup(submodule); + refs->next = submodule_ref_stores; + submodule_ref_stores = refs; + } +} + +struct ref_store *ref_store_init(const char *submodule) +{ + const char *be_name = "files"; + struct ref_storage_be *be = find_ref_storage_backend(be_name); + + if (!be) + die("BUG: reference backend %s is unknown", be_name); + + if (!submodule || !*submodule) + return be->init(NULL); + else + return be->init(submodule); +} + +struct ref_store *lookup_ref_store(const char *submodule) +{ + struct ref_store *refs; + + if (!submodule || !*submodule) + return main_ref_store; + + for (refs = submodule_ref_stores; refs; refs = refs->next) { + if (!strcmp(submodule, refs->submodule)) + return refs; + } + + return NULL; +} + +struct ref_store *get_ref_store(const char *submodule) +{ + struct ref_store *refs; + + if (!submodule || !*submodule) { + refs = lookup_ref_store(NULL); + + if (!refs) + refs = ref_store_init(NULL); + } else { + refs = lookup_ref_store(submodule); + + if (!refs) { + struct strbuf submodule_sb = STRBUF_INIT; + + strbuf_addstr(&submodule_sb, submodule); + if (is_nonbare_repository_dir(&submodule_sb)) + refs = ref_store_init(submodule); + strbuf_release(&submodule_sb); + } + } + + return refs; +} + +void assert_main_repository(struct ref_store *refs, const char *caller) +{ + if (*refs->submodule) + die("BUG: %s called for a submodule", caller); +} + +/* backend functions */ +int pack_refs(unsigned int flags) +{ + struct ref_store *refs = get_ref_store(NULL); + + return refs->be->pack_refs(refs, flags); +} + +int peel_ref(const char *refname, unsigned char *sha1) +{ + struct ref_store *refs = get_ref_store(NULL); + + return refs->be->peel_ref(refs, refname, sha1); +} + +int create_symref(const char *ref_target, const char *refs_heads_master, + const char *logmsg) +{ + struct ref_store *refs = get_ref_store(NULL); + + return refs->be->create_symref(refs, ref_target, refs_heads_master, + logmsg); +} + +int ref_transaction_commit(struct ref_transaction *transaction, + struct strbuf *err) +{ + struct ref_store *refs = get_ref_store(NULL); + + return refs->be->transaction_commit(refs, transaction, err); +} + +int verify_refname_available(const char *refname, + const struct string_list *extra, + const struct string_list *skip, + struct strbuf *err) +{ + struct ref_store *refs = get_ref_store(NULL); + + return refs->be->verify_refname_available(refs, refname, extra, skip, err); +} + +int for_each_reflog(each_ref_fn fn, void *cb_data) +{ + struct ref_store *refs = get_ref_store(NULL); + struct ref_iterator *iter; + + iter = refs->be->reflog_iterator_begin(refs); + + return do_for_each_ref_iterator(iter, fn, cb_data); +} + +int for_each_reflog_ent_reverse(const char *refname, each_reflog_ent_fn fn, + void *cb_data) +{ + struct ref_store *refs = get_ref_store(NULL); + + return refs->be->for_each_reflog_ent_reverse(refs, refname, + fn, cb_data); +} + +int for_each_reflog_ent(const char *refname, each_reflog_ent_fn fn, + void *cb_data) +{ + struct ref_store *refs = get_ref_store(NULL); + + return refs->be->for_each_reflog_ent(refs, refname, fn, cb_data); +} + +int reflog_exists(const char *refname) +{ + struct ref_store *refs = get_ref_store(NULL); + + return refs->be->reflog_exists(refs, refname); +} + +int safe_create_reflog(const char *refname, int force_create, + struct strbuf *err) +{ + struct ref_store *refs = get_ref_store(NULL); + + return refs->be->create_reflog(refs, refname, force_create, err); +} + +int delete_reflog(const char *refname) +{ + struct ref_store *refs = get_ref_store(NULL); + + return refs->be->delete_reflog(refs, refname); +} + +int reflog_expire(const char *refname, const unsigned char *sha1, + unsigned int flags, + reflog_expiry_prepare_fn prepare_fn, + reflog_expiry_should_prune_fn should_prune_fn, + reflog_expiry_cleanup_fn cleanup_fn, + void *policy_cb_data) +{ + struct ref_store *refs = get_ref_store(NULL); + + return refs->be->reflog_expire(refs, refname, sha1, flags, + prepare_fn, should_prune_fn, + cleanup_fn, policy_cb_data); +} + +int initial_ref_transaction_commit(struct ref_transaction *transaction, + struct strbuf *err) +{ + struct ref_store *refs = get_ref_store(NULL); + + return refs->be->initial_transaction_commit(refs, transaction, err); +} + +int delete_refs(struct string_list *refnames, unsigned int flags) +{ + struct ref_store *refs = get_ref_store(NULL); + + return refs->be->delete_refs(refs, refnames, flags); +} + +int rename_ref(const char *oldref, const char *newref, const char *logmsg) +{ + struct ref_store *refs = get_ref_store(NULL); + + return refs->be->rename_ref(refs, oldref, newref, logmsg); +} @@ -66,6 +66,8 @@ int ref_exists(const char *refname); int is_branch(const char *refname); +extern int refs_init_db(struct strbuf *err); + /* * If refname is a non-symbolic reference that refers to a tag object, * and the tag can be (recursively) dereferenced to a non-tag object, @@ -77,11 +79,12 @@ int is_branch(const char *refname); int peel_ref(const char *refname, unsigned char *sha1); /** - * Resolve refname in the nested "gitlink" repository that is located - * at path. If the resolution is successful, return 0 and set sha1 to - * the name of the object; otherwise, return a non-zero value. + * Resolve refname in the nested "gitlink" repository in the specified + * submodule (which must be non-NULL). If the resolution is + * successful, return 0 and set sha1 to the name of the object; + * otherwise, return a non-zero value. */ -int resolve_gitlink_ref(const char *path, const char *refname, +int resolve_gitlink_ref(const char *submodule, const char *refname, unsigned char *sha1); /* @@ -477,6 +480,9 @@ void ref_transaction_free(struct ref_transaction *transaction); int update_ref(const char *msg, const char *refname, const unsigned char *new_sha1, const unsigned char *old_sha1, unsigned int flags, enum action_on_err onerr); +int update_ref_oid(const char *msg, const char *refname, + const struct object_id *new_oid, const struct object_id *old_oid, + unsigned int flags, enum action_on_err onerr); int parse_hide_refs_config(const char *var, const char *value, const char *); @@ -544,4 +550,6 @@ int reflog_expire(const char *refname, const unsigned char *sha1, reflog_expiry_cleanup_fn cleanup_fn, void *policy_cb_data); +int ref_storage_backend_exists(const char *name); + #endif /* REFS_H */ diff --git a/refs/files-backend.c b/refs/files-backend.c index 12290d2496..0709f60b8e 100644 --- a/refs/files-backend.c +++ b/refs/files-backend.c @@ -39,7 +39,7 @@ struct ref_value { struct object_id peeled; }; -struct ref_cache; +struct files_ref_store; /* * Information used (along with the information in ref_entry) to @@ -78,8 +78,8 @@ struct ref_dir { */ int sorted; - /* A pointer to the ref_cache that contains this ref_dir. */ - struct ref_cache *ref_cache; + /* A pointer to the files_ref_store that contains this ref_dir. */ + struct files_ref_store *ref_store; struct ref_entry **entries; }; @@ -161,7 +161,7 @@ struct ref_entry { static void read_loose_refs(const char *dirname, struct ref_dir *dir); static int search_ref_dir(struct ref_dir *dir, const char *refname, size_t len); -static struct ref_entry *create_dir_entry(struct ref_cache *ref_cache, +static struct ref_entry *create_dir_entry(struct files_ref_store *ref_store, const char *dirname, size_t len, int incomplete); static void add_entry_to_dir(struct ref_dir *dir, struct ref_entry *entry); @@ -183,7 +183,7 @@ static struct ref_dir *get_ref_dir(struct ref_entry *entry) int pos = search_ref_dir(dir, "refs/bisect/", 12); if (pos < 0) { struct ref_entry *child_entry; - child_entry = create_dir_entry(dir->ref_cache, + child_entry = create_dir_entry(dir->ref_store, "refs/bisect/", 12, 1); add_entry_to_dir(dir, child_entry); @@ -261,13 +261,13 @@ static void clear_ref_dir(struct ref_dir *dir) * dirname is the name of the directory with a trailing slash (e.g., * "refs/heads/") or "" for the top-level directory. */ -static struct ref_entry *create_dir_entry(struct ref_cache *ref_cache, +static struct ref_entry *create_dir_entry(struct files_ref_store *ref_store, const char *dirname, size_t len, int incomplete) { struct ref_entry *direntry; FLEX_ALLOC_MEM(direntry, name, dirname, len); - direntry->u.subdir.ref_cache = ref_cache; + direntry->u.subdir.ref_store = ref_store; direntry->flag = REF_DIR | (incomplete ? REF_INCOMPLETE : 0); return direntry; } @@ -343,7 +343,7 @@ static struct ref_dir *search_for_subdir(struct ref_dir *dir, * therefore, create an empty record for it but mark * the record complete. */ - entry = create_dir_entry(dir->ref_cache, subdirname, len, 0); + entry = create_dir_entry(dir->ref_store, subdirname, len, 0); add_entry_to_dir(dir, entry); } else { entry = dir->entries[entry_index]; @@ -887,9 +887,9 @@ struct packed_ref_cache { /* * Count of references to the data structure in this instance, - * including the pointer from ref_cache::packed if any. The - * data will not be freed as long as the reference count is - * nonzero. + * including the pointer from files_ref_store::packed if any. + * The data will not be freed as long as the reference count + * is nonzero. */ unsigned int referrers; @@ -910,17 +910,11 @@ struct packed_ref_cache { * Future: need to be in "struct repository" * when doing a full libification. */ -static struct ref_cache { - struct ref_cache *next; +struct files_ref_store { + struct ref_store base; struct ref_entry *loose; struct packed_ref_cache *packed; - /* - * The submodule name, or "" for the main repo. We allocate - * length 1 rather than FLEX_ARRAY so that the main ref_cache - * is initialized correctly. - */ - char name[1]; -} ref_cache, *submodule_ref_caches; +}; /* Lock used for the main packed-refs file: */ static struct lock_file packlock; @@ -949,7 +943,7 @@ static int release_packed_ref_cache(struct packed_ref_cache *packed_refs) } } -static void clear_packed_ref_cache(struct ref_cache *refs) +static void clear_packed_ref_cache(struct files_ref_store *refs) { if (refs->packed) { struct packed_ref_cache *packed_refs = refs->packed; @@ -961,7 +955,7 @@ static void clear_packed_ref_cache(struct ref_cache *refs) } } -static void clear_loose_ref_cache(struct ref_cache *refs) +static void clear_loose_ref_cache(struct files_ref_store *refs) { if (refs->loose) { free_ref_entry(refs->loose); @@ -973,53 +967,34 @@ static void clear_loose_ref_cache(struct ref_cache *refs) * Create a new submodule ref cache and add it to the internal * set of caches. */ -static struct ref_cache *create_ref_cache(const char *submodule) -{ - struct ref_cache *refs; - if (!submodule) - submodule = ""; - FLEX_ALLOC_STR(refs, name, submodule); - refs->next = submodule_ref_caches; - submodule_ref_caches = refs; - return refs; -} - -static struct ref_cache *lookup_ref_cache(const char *submodule) +static struct ref_store *files_ref_store_create(const char *submodule) { - struct ref_cache *refs; + struct files_ref_store *refs = xcalloc(1, sizeof(*refs)); + struct ref_store *ref_store = (struct ref_store *)refs; - if (!submodule || !*submodule) - return &ref_cache; + base_ref_store_init(ref_store, &refs_be_files, submodule); - for (refs = submodule_ref_caches; refs; refs = refs->next) - if (!strcmp(submodule, refs->name)) - return refs; - return NULL; + return ref_store; } /* - * Return a pointer to a ref_cache for the specified submodule. For - * the main repository, use submodule==NULL; such a call cannot fail. - * For a submodule, the submodule must exist and be a nonbare - * repository, otherwise return NULL. - * - * The returned structure will be allocated and initialized but not - * necessarily populated; it should not be freed. + * Downcast ref_store to files_ref_store. Die if ref_store is not a + * files_ref_store. If submodule_allowed is not true, then also die if + * files_ref_store is for a submodule (i.e., not for the main + * repository). caller is used in any necessary error messages. */ -static struct ref_cache *get_ref_cache(const char *submodule) +static struct files_ref_store *files_downcast( + struct ref_store *ref_store, int submodule_allowed, + const char *caller) { - struct ref_cache *refs = lookup_ref_cache(submodule); - - if (!refs) { - struct strbuf submodule_sb = STRBUF_INIT; + if (ref_store->be != &refs_be_files) + die("BUG: ref_store is type \"%s\" not \"files\" in %s", + ref_store->be->name, caller); - strbuf_addstr(&submodule_sb, submodule); - if (is_nonbare_repository_dir(&submodule_sb)) - refs = create_ref_cache(submodule); - strbuf_release(&submodule_sb); - } + if (!submodule_allowed) + assert_main_repository(ref_store, caller); - return refs; + return (struct files_ref_store *)ref_store; } /* The length of a peeled reference line in packed-refs, including EOL: */ @@ -1151,15 +1126,16 @@ static void read_packed_refs(FILE *f, struct ref_dir *dir) } /* - * Get the packed_ref_cache for the specified ref_cache, creating it - * if necessary. + * Get the packed_ref_cache for the specified files_ref_store, + * creating it if necessary. */ -static struct packed_ref_cache *get_packed_ref_cache(struct ref_cache *refs) +static struct packed_ref_cache *get_packed_ref_cache(struct files_ref_store *refs) { char *packed_refs_file; - if (*refs->name) - packed_refs_file = git_pathdup_submodule(refs->name, "packed-refs"); + if (*refs->base.submodule) + packed_refs_file = git_pathdup_submodule(refs->base.submodule, + "packed-refs"); else packed_refs_file = git_pathdup("packed-refs"); @@ -1189,7 +1165,7 @@ static struct ref_dir *get_packed_ref_dir(struct packed_ref_cache *packed_ref_ca return get_ref_dir(packed_ref_cache->root); } -static struct ref_dir *get_packed_refs(struct ref_cache *refs) +static struct ref_dir *get_packed_refs(struct files_ref_store *refs) { return get_packed_ref_dir(get_packed_ref_cache(refs)); } @@ -1200,10 +1176,10 @@ static struct ref_dir *get_packed_refs(struct ref_cache *refs) * lock_packed_refs()). To actually write the packed-refs file, call * commit_packed_refs(). */ -static void add_packed_ref(const char *refname, const unsigned char *sha1) +static void add_packed_ref(struct files_ref_store *refs, + const char *refname, const unsigned char *sha1) { - struct packed_ref_cache *packed_ref_cache = - get_packed_ref_cache(&ref_cache); + struct packed_ref_cache *packed_ref_cache = get_packed_ref_cache(refs); if (!packed_ref_cache->lock) die("internal error: packed refs not locked"); @@ -1218,20 +1194,26 @@ static void add_packed_ref(const char *refname, const unsigned char *sha1) */ static void read_loose_refs(const char *dirname, struct ref_dir *dir) { - struct ref_cache *refs = dir->ref_cache; + struct files_ref_store *refs = dir->ref_store; DIR *d; struct dirent *de; int dirnamelen = strlen(dirname); struct strbuf refname; struct strbuf path = STRBUF_INIT; size_t path_baselen; + int err = 0; - if (*refs->name) - strbuf_git_path_submodule(&path, refs->name, "%s", dirname); + if (*refs->base.submodule) + err = strbuf_git_path_submodule(&path, refs->base.submodule, "%s", dirname); else strbuf_git_path(&path, "%s", dirname); path_baselen = path.len; + if (err) { + strbuf_release(&path); + return; + } + d = opendir(path.buf); if (!d) { strbuf_release(&path); @@ -1262,10 +1244,10 @@ static void read_loose_refs(const char *dirname, struct ref_dir *dir) } else { int read_ok; - if (*refs->name) { + if (*refs->base.submodule) { hashclr(sha1); flag = 0; - read_ok = !resolve_gitlink_ref(refs->name, + read_ok = !resolve_gitlink_ref(refs->base.submodule, refname.buf, sha1); } else { read_ok = !read_ref_full(refname.buf, @@ -1306,7 +1288,7 @@ static void read_loose_refs(const char *dirname, struct ref_dir *dir) closedir(d); } -static struct ref_dir *get_loose_refs(struct ref_cache *refs) +static struct ref_dir *get_loose_refs(struct files_ref_store *refs) { if (!refs->loose) { /* @@ -1324,105 +1306,22 @@ static struct ref_dir *get_loose_refs(struct ref_cache *refs) return get_ref_dir(refs->loose); } -#define MAXREFLEN (1024) - -/* - * Called by resolve_gitlink_ref_recursive() after it failed to read - * from the loose refs in ref_cache refs. Find <refname> in the - * packed-refs file for the submodule. - */ -static int resolve_gitlink_packed_ref(struct ref_cache *refs, - const char *refname, unsigned char *sha1) -{ - struct ref_entry *ref; - struct ref_dir *dir = get_packed_refs(refs); - - ref = find_ref(dir, refname); - if (ref == NULL) - return -1; - - hashcpy(sha1, ref->u.value.oid.hash); - return 0; -} - -static int resolve_gitlink_ref_recursive(struct ref_cache *refs, - const char *refname, unsigned char *sha1, - int recursion) -{ - int fd, len; - char buffer[128], *p; - char *path; - - if (recursion > SYMREF_MAXDEPTH || strlen(refname) > MAXREFLEN) - return -1; - path = *refs->name - ? git_pathdup_submodule(refs->name, "%s", refname) - : git_pathdup("%s", refname); - fd = open(path, O_RDONLY); - free(path); - if (fd < 0) - return resolve_gitlink_packed_ref(refs, refname, sha1); - - len = read(fd, buffer, sizeof(buffer)-1); - close(fd); - if (len < 0) - return -1; - while (len && isspace(buffer[len-1])) - len--; - buffer[len] = 0; - - /* Was it a detached head or an old-fashioned symlink? */ - if (!get_sha1_hex(buffer, sha1)) - return 0; - - /* Symref? */ - if (strncmp(buffer, "ref:", 4)) - return -1; - p = buffer + 4; - while (isspace(*p)) - p++; - - return resolve_gitlink_ref_recursive(refs, p, sha1, recursion+1); -} - -int resolve_gitlink_ref(const char *path, const char *refname, unsigned char *sha1) -{ - int len = strlen(path), retval; - struct strbuf submodule = STRBUF_INIT; - struct ref_cache *refs; - - while (len && path[len-1] == '/') - len--; - if (!len) - return -1; - - strbuf_add(&submodule, path, len); - refs = get_ref_cache(submodule.buf); - if (!refs) { - strbuf_release(&submodule); - return -1; - } - strbuf_release(&submodule); - - retval = resolve_gitlink_ref_recursive(refs, refname, sha1, 0); - return retval; -} - /* * Return the ref_entry for the given refname from the packed * references. If it does not exist, return NULL. */ -static struct ref_entry *get_packed_ref(const char *refname) +static struct ref_entry *get_packed_ref(struct files_ref_store *refs, + const char *refname) { - return find_ref(get_packed_refs(&ref_cache), refname); + return find_ref(get_packed_refs(refs), refname); } /* * A loose ref file doesn't exist; check for a packed ref. */ -static int resolve_missing_loose_ref(const char *refname, - unsigned char *sha1, - unsigned int *flags) +static int resolve_packed_ref(struct files_ref_store *refs, + const char *refname, + unsigned char *sha1, unsigned int *flags) { struct ref_entry *entry; @@ -1430,7 +1329,7 @@ static int resolve_missing_loose_ref(const char *refname, * The loose reference file does not exist; check for a packed * reference. */ - entry = get_packed_ref(refname); + entry = get_packed_ref(refs, refname); if (entry) { hashcpy(sha1, entry->u.value.oid.hash); *flags |= REF_ISPACKED; @@ -1440,9 +1339,12 @@ static int resolve_missing_loose_ref(const char *refname, return -1; } -int read_raw_ref(const char *refname, unsigned char *sha1, - struct strbuf *referent, unsigned int *type) +static int files_read_raw_ref(struct ref_store *ref_store, + const char *refname, unsigned char *sha1, + struct strbuf *referent, unsigned int *type) { + struct files_ref_store *refs = + files_downcast(ref_store, 1, "read_raw_ref"); struct strbuf sb_contents = STRBUF_INIT; struct strbuf sb_path = STRBUF_INIT; const char *path; @@ -1454,7 +1356,12 @@ int read_raw_ref(const char *refname, unsigned char *sha1, *type = 0; strbuf_reset(&sb_path); - strbuf_git_path(&sb_path, "%s", refname); + + if (*refs->base.submodule) + strbuf_git_path_submodule(&sb_path, refs->base.submodule, "%s", refname); + else + strbuf_git_path(&sb_path, "%s", refname); + path = sb_path.buf; stat_ref: @@ -1471,7 +1378,7 @@ stat_ref: if (lstat(path, &st) < 0) { if (errno != ENOENT) goto out; - if (resolve_missing_loose_ref(refname, sha1, type)) { + if (resolve_packed_ref(refs, refname, sha1, type)) { errno = ENOENT; goto out; } @@ -1505,7 +1412,7 @@ stat_ref: * ref is supposed to be, there could still be a * packed ref: */ - if (resolve_missing_loose_ref(refname, sha1, type)) { + if (resolve_packed_ref(refs, refname, sha1, type)) { errno = EISDIR; goto out; } @@ -1606,7 +1513,8 @@ static void unlock_ref(struct ref_lock *lock) * avoided, namely if we were successfully able to read the ref * - Generate informative error messages in the case of failure */ -static int lock_raw_ref(const char *refname, int mustexist, +static int lock_raw_ref(struct files_ref_store *refs, + const char *refname, int mustexist, const struct string_list *extras, const struct string_list *skip, struct ref_lock **lock_p, @@ -1620,6 +1528,8 @@ static int lock_raw_ref(const char *refname, int mustexist, int ret = TRANSACTION_GENERIC_ERROR; assert(err); + assert_main_repository(&refs->base, "lock_raw_ref"); + *type = 0; /* First lock the file so it can't change out from under us. */ @@ -1703,7 +1613,8 @@ retry: * fear that its value will change. */ - if (read_raw_ref(refname, lock->old_oid.hash, referent, type)) { + if (files_read_raw_ref(&refs->base, refname, + lock->old_oid.hash, referent, type)) { if (errno == ENOENT) { if (mustexist) { /* Garden variety missing reference. */ @@ -1746,7 +1657,7 @@ retry: REMOVE_DIR_EMPTY_ONLY)) { if (verify_refname_available_dir( refname, extras, skip, - get_loose_refs(&ref_cache), + get_loose_refs(refs), err)) { /* * The error message set by @@ -1785,7 +1696,7 @@ retry: */ if (verify_refname_available_dir( refname, extras, skip, - get_packed_refs(&ref_cache), + get_packed_refs(refs), err)) { goto error_return; } @@ -1838,8 +1749,10 @@ static enum peel_status peel_entry(struct ref_entry *entry, int repeel) return status; } -int peel_ref(const char *refname, unsigned char *sha1) +static int files_peel_ref(struct ref_store *ref_store, + const char *refname, unsigned char *sha1) { + struct files_ref_store *refs = files_downcast(ref_store, 0, "peel_ref"); int flag; unsigned char base[20]; @@ -1864,7 +1777,7 @@ int peel_ref(const char *refname, unsigned char *sha1) * have REF_KNOWS_PEELED. */ if (flag & REF_ISPACKED) { - struct ref_entry *r = get_packed_ref(refname); + struct ref_entry *r = get_packed_ref(refs, refname); if (r) { if (peel_entry(r, 0)) return -1; @@ -1891,6 +1804,10 @@ static int files_ref_iterator_advance(struct ref_iterator *ref_iterator) int ok; while ((ok = ref_iterator_advance(iter->iter0)) == ITER_OK) { + if (iter->flags & DO_FOR_EACH_PER_WORKTREE_ONLY && + ref_type(iter->iter0->refname) != REF_TYPE_PER_WORKTREE) + continue; + if (!(iter->flags & DO_FOR_EACH_INCLUDE_BROKEN) && !ref_resolves_to_object(iter->iter0->refname, iter->iter0->oid, @@ -1939,11 +1856,12 @@ static struct ref_iterator_vtable files_ref_iterator_vtable = { files_ref_iterator_abort }; -struct ref_iterator *files_ref_iterator_begin( - const char *submodule, +static struct ref_iterator *files_ref_iterator_begin( + struct ref_store *ref_store, const char *prefix, unsigned int flags) { - struct ref_cache *refs = get_ref_cache(submodule); + struct files_ref_store *refs = + files_downcast(ref_store, 1, "ref_iterator_begin"); struct ref_dir *loose_dir, *packed_dir; struct ref_iterator *loose_iter, *packed_iter; struct files_ref_iterator *iter; @@ -2059,7 +1977,8 @@ static int remove_empty_directories(struct strbuf *path) * Locks a ref returning the lock on success and NULL on failure. * On failure errno is set to something meaningful. */ -static struct ref_lock *lock_ref_sha1_basic(const char *refname, +static struct ref_lock *lock_ref_sha1_basic(struct files_ref_store *refs, + const char *refname, const unsigned char *old_sha1, const struct string_list *extras, const struct string_list *skip, @@ -2075,6 +1994,7 @@ static struct ref_lock *lock_ref_sha1_basic(const char *refname, int attempts_remaining = 3; int resolved; + assert_main_repository(&refs->base, "lock_ref_sha1_basic"); assert(err); lock = xcalloc(1, sizeof(struct ref_lock)); @@ -2096,8 +2016,9 @@ static struct ref_lock *lock_ref_sha1_basic(const char *refname, */ if (remove_empty_directories(&ref_file)) { last_errno = errno; - if (!verify_refname_available_dir(refname, extras, skip, - get_loose_refs(&ref_cache), err)) + if (!verify_refname_available_dir( + refname, extras, skip, + get_loose_refs(refs), err)) strbuf_addf(err, "there are still refs under '%s'", refname); goto error_return; @@ -2108,8 +2029,9 @@ static struct ref_lock *lock_ref_sha1_basic(const char *refname, if (!resolved) { last_errno = errno; if (last_errno != ENOTDIR || - !verify_refname_available_dir(refname, extras, skip, - get_loose_refs(&ref_cache), err)) + !verify_refname_available_dir( + refname, extras, skip, + get_loose_refs(refs), err)) strbuf_addf(err, "unable to resolve reference '%s': %s", refname, strerror(last_errno)); @@ -2124,7 +2046,8 @@ static struct ref_lock *lock_ref_sha1_basic(const char *refname, */ if (is_null_oid(&lock->old_oid) && verify_refname_available_dir(refname, extras, skip, - get_packed_refs(&ref_cache), err)) { + get_packed_refs(refs), + err)) { last_errno = ENOTDIR; goto error_return; } @@ -2211,13 +2134,14 @@ static int write_packed_entry_fn(struct ref_entry *entry, void *cb_data) * hold_lock_file_for_update(). Return 0 on success. On errors, set * errno appropriately and return a nonzero value. */ -static int lock_packed_refs(int flags) +static int lock_packed_refs(struct files_ref_store *refs, int flags) { static int timeout_configured = 0; static int timeout_value = 1000; - struct packed_ref_cache *packed_ref_cache; + assert_main_repository(&refs->base, "lock_packed_refs"); + if (!timeout_configured) { git_config_get_int("core.packedrefstimeout", &timeout_value); timeout_configured = 1; @@ -2233,7 +2157,7 @@ static int lock_packed_refs(int flags) * this will automatically invalidate the cache and re-read * the packed-refs file. */ - packed_ref_cache = get_packed_ref_cache(&ref_cache); + packed_ref_cache = get_packed_ref_cache(refs); packed_ref_cache->lock = &packlock; /* Increment the reference count to prevent it from being freed: */ acquire_packed_ref_cache(packed_ref_cache); @@ -2246,14 +2170,16 @@ static int lock_packed_refs(int flags) * lock_packed_refs()). Return zero on success. On errors, set errno * and return a nonzero value */ -static int commit_packed_refs(void) +static int commit_packed_refs(struct files_ref_store *refs) { struct packed_ref_cache *packed_ref_cache = - get_packed_ref_cache(&ref_cache); + get_packed_ref_cache(refs); int error = 0; int save_errno = 0; FILE *out; + assert_main_repository(&refs->base, "commit_packed_refs"); + if (!packed_ref_cache->lock) die("internal error: packed-refs not locked"); @@ -2280,17 +2206,19 @@ static int commit_packed_refs(void) * in-memory packed reference cache. (The packed-refs file will be * read anew if it is needed again after this function is called.) */ -static void rollback_packed_refs(void) +static void rollback_packed_refs(struct files_ref_store *refs) { struct packed_ref_cache *packed_ref_cache = - get_packed_ref_cache(&ref_cache); + get_packed_ref_cache(refs); + + assert_main_repository(&refs->base, "rollback_packed_refs"); if (!packed_ref_cache->lock) die("internal error: packed-refs not locked"); rollback_lock_file(packed_ref_cache->lock); packed_ref_cache->lock = NULL; release_packed_ref_cache(packed_ref_cache); - clear_packed_ref_cache(&ref_cache); + clear_packed_ref_cache(refs); } struct ref_to_prune { @@ -2421,20 +2349,22 @@ static void prune_refs(struct ref_to_prune *r) } } -int pack_refs(unsigned int flags) +static int files_pack_refs(struct ref_store *ref_store, unsigned int flags) { + struct files_ref_store *refs = + files_downcast(ref_store, 0, "pack_refs"); struct pack_refs_cb_data cbdata; memset(&cbdata, 0, sizeof(cbdata)); cbdata.flags = flags; - lock_packed_refs(LOCK_DIE_ON_ERROR); - cbdata.packed_refs = get_packed_refs(&ref_cache); + lock_packed_refs(refs, LOCK_DIE_ON_ERROR); + cbdata.packed_refs = get_packed_refs(refs); - do_for_each_entry_in_dir(get_loose_refs(&ref_cache), 0, + do_for_each_entry_in_dir(get_loose_refs(refs), 0, pack_if_possible_fn, &cbdata); - if (commit_packed_refs()) + if (commit_packed_refs(refs)) die_errno("unable to overwrite old ref-pack file"); prune_refs(cbdata.ref_to_prune); @@ -2448,17 +2378,19 @@ int pack_refs(unsigned int flags) * * The refs in 'refnames' needn't be sorted. `err` must not be NULL. */ -static int repack_without_refs(struct string_list *refnames, struct strbuf *err) +static int repack_without_refs(struct files_ref_store *refs, + struct string_list *refnames, struct strbuf *err) { struct ref_dir *packed; struct string_list_item *refname; int ret, needs_repacking = 0, removed = 0; + assert_main_repository(&refs->base, "repack_without_refs"); assert(err); /* Look for a packed ref */ for_each_string_list_item(refname, refnames) { - if (get_packed_ref(refname->string)) { + if (get_packed_ref(refs, refname->string)) { needs_repacking = 1; break; } @@ -2468,11 +2400,11 @@ static int repack_without_refs(struct string_list *refnames, struct strbuf *err) if (!needs_repacking) return 0; /* no refname exists in packed refs */ - if (lock_packed_refs(0)) { + if (lock_packed_refs(refs, 0)) { unable_to_lock_message(git_path("packed-refs"), errno, err); return -1; } - packed = get_packed_refs(&ref_cache); + packed = get_packed_refs(refs); /* Remove refnames from the cache */ for_each_string_list_item(refname, refnames) @@ -2483,12 +2415,12 @@ static int repack_without_refs(struct string_list *refnames, struct strbuf *err) * All packed entries disappeared while we were * acquiring the lock. */ - rollback_packed_refs(); + rollback_packed_refs(refs); return 0; } /* Write what remains */ - ret = commit_packed_refs(); + ret = commit_packed_refs(refs); if (ret) strbuf_addf(err, "unable to overwrite old ref-pack file: %s", strerror(errno)); @@ -2513,15 +2445,18 @@ static int delete_ref_loose(struct ref_lock *lock, int flag, struct strbuf *err) return 0; } -int delete_refs(struct string_list *refnames, unsigned int flags) +static int files_delete_refs(struct ref_store *ref_store, + struct string_list *refnames, unsigned int flags) { + struct files_ref_store *refs = + files_downcast(ref_store, 0, "delete_refs"); struct strbuf err = STRBUF_INIT; int i, result = 0; if (!refnames->nr) return 0; - result = repack_without_refs(refnames, &err); + result = repack_without_refs(refs, refnames, &err); if (result) { /* * If we failed to rewrite the packed-refs file, then @@ -2612,13 +2547,16 @@ out: return ret; } -int verify_refname_available(const char *newname, - const struct string_list *extras, - const struct string_list *skip, - struct strbuf *err) +static int files_verify_refname_available(struct ref_store *ref_store, + const char *newname, + const struct string_list *extras, + const struct string_list *skip, + struct strbuf *err) { - struct ref_dir *packed_refs = get_packed_refs(&ref_cache); - struct ref_dir *loose_refs = get_loose_refs(&ref_cache); + struct files_ref_store *refs = + files_downcast(ref_store, 1, "verify_refname_available"); + struct ref_dir *packed_refs = get_packed_refs(refs); + struct ref_dir *loose_refs = get_loose_refs(refs); if (verify_refname_available_dir(newname, extras, skip, packed_refs, err) || @@ -2631,12 +2569,17 @@ int verify_refname_available(const char *newname, static int write_ref_to_lockfile(struct ref_lock *lock, const unsigned char *sha1, struct strbuf *err); -static int commit_ref_update(struct ref_lock *lock, +static int commit_ref_update(struct files_ref_store *refs, + struct ref_lock *lock, const unsigned char *sha1, const char *logmsg, struct strbuf *err); -int rename_ref(const char *oldrefname, const char *newrefname, const char *logmsg) +static int files_rename_ref(struct ref_store *ref_store, + const char *oldrefname, const char *newrefname, + const char *logmsg) { + struct files_ref_store *refs = + files_downcast(ref_store, 0, "rename_ref"); unsigned char sha1[20], orig_sha1[20]; int flag = 0, logmoved = 0; struct ref_lock *lock; @@ -2699,8 +2642,8 @@ int rename_ref(const char *oldrefname, const char *newrefname, const char *logms logmoved = log; - lock = lock_ref_sha1_basic(newrefname, NULL, NULL, NULL, REF_NODEREF, - NULL, &err); + lock = lock_ref_sha1_basic(refs, newrefname, NULL, NULL, NULL, + REF_NODEREF, NULL, &err); if (!lock) { error("unable to rename '%s' to '%s': %s", oldrefname, newrefname, err.buf); strbuf_release(&err); @@ -2709,7 +2652,7 @@ int rename_ref(const char *oldrefname, const char *newrefname, const char *logms hashcpy(lock->old_oid.hash, orig_sha1); if (write_ref_to_lockfile(lock, orig_sha1, &err) || - commit_ref_update(lock, orig_sha1, logmsg, &err)) { + commit_ref_update(refs, lock, orig_sha1, logmsg, &err)) { error("unable to write current sha1 into %s: %s", newrefname, err.buf); strbuf_release(&err); goto rollback; @@ -2718,8 +2661,8 @@ int rename_ref(const char *oldrefname, const char *newrefname, const char *logms return 0; rollback: - lock = lock_ref_sha1_basic(oldrefname, NULL, NULL, NULL, REF_NODEREF, - NULL, &err); + lock = lock_ref_sha1_basic(refs, oldrefname, NULL, NULL, NULL, + REF_NODEREF, NULL, &err); if (!lock) { error("unable to lock %s for rollback: %s", oldrefname, err.buf); strbuf_release(&err); @@ -2729,7 +2672,7 @@ int rename_ref(const char *oldrefname, const char *newrefname, const char *logms flag = log_all_ref_updates; log_all_ref_updates = 0; if (write_ref_to_lockfile(lock, orig_sha1, &err) || - commit_ref_update(lock, orig_sha1, NULL, &err)) { + commit_ref_update(refs, lock, orig_sha1, NULL, &err)) { error("unable to write current sha1 into %s: %s", oldrefname, err.buf); strbuf_release(&err); } @@ -2832,11 +2775,16 @@ static int log_ref_setup(const char *refname, struct strbuf *logfile, struct str } -int safe_create_reflog(const char *refname, int force_create, struct strbuf *err) +static int files_create_reflog(struct ref_store *ref_store, + const char *refname, int force_create, + struct strbuf *err) { int ret; struct strbuf sb = STRBUF_INIT; + /* Check validity (but we don't need the result): */ + files_downcast(ref_store, 0, "create_reflog"); + ret = log_ref_setup(refname, &sb, err, force_create); strbuf_release(&sb); return ret; @@ -2965,11 +2913,14 @@ static int write_ref_to_lockfile(struct ref_lock *lock, * to the loose reference lockfile. Also update the reflogs if * necessary, using the specified lockmsg (which can be NULL). */ -static int commit_ref_update(struct ref_lock *lock, +static int commit_ref_update(struct files_ref_store *refs, + struct ref_lock *lock, const unsigned char *sha1, const char *logmsg, struct strbuf *err) { - clear_loose_ref_cache(&ref_cache); + assert_main_repository(&refs->base, "commit_ref_update"); + + clear_loose_ref_cache(refs); if (log_ref_write(lock->ref_name, lock->old_oid.hash, sha1, logmsg, 0, err)) { char *old_msg = strbuf_detach(err, NULL); strbuf_addf(err, "cannot update the ref '%s': %s", @@ -3068,13 +3019,18 @@ static int create_symref_locked(struct ref_lock *lock, const char *refname, return 0; } -int create_symref(const char *refname, const char *target, const char *logmsg) +static int files_create_symref(struct ref_store *ref_store, + const char *refname, const char *target, + const char *logmsg) { + struct files_ref_store *refs = + files_downcast(ref_store, 0, "create_symref"); struct strbuf err = STRBUF_INIT; struct ref_lock *lock; int ret; - lock = lock_ref_sha1_basic(refname, NULL, NULL, NULL, REF_NODEREF, NULL, + lock = lock_ref_sha1_basic(refs, refname, NULL, + NULL, NULL, REF_NODEREF, NULL, &err); if (!lock) { error("%s", err.buf); @@ -3122,16 +3078,24 @@ int set_worktree_head_symref(const char *gitdir, const char *target) return ret; } -int reflog_exists(const char *refname) +static int files_reflog_exists(struct ref_store *ref_store, + const char *refname) { struct stat st; + /* Check validity (but we don't need the result): */ + files_downcast(ref_store, 0, "reflog_exists"); + return !lstat(git_path("logs/%s", refname), &st) && S_ISREG(st.st_mode); } -int delete_reflog(const char *refname) +static int files_delete_reflog(struct ref_store *ref_store, + const char *refname) { + /* Check validity (but we don't need the result): */ + files_downcast(ref_store, 0, "delete_reflog"); + return remove_path(git_path("logs/%s", refname)); } @@ -3174,13 +3138,19 @@ static char *find_beginning_of_line(char *bob, char *scan) return scan; } -int for_each_reflog_ent_reverse(const char *refname, each_reflog_ent_fn fn, void *cb_data) +static int files_for_each_reflog_ent_reverse(struct ref_store *ref_store, + const char *refname, + each_reflog_ent_fn fn, + void *cb_data) { struct strbuf sb = STRBUF_INIT; FILE *logfp; long pos; int ret = 0, at_tail = 1; + /* Check validity (but we don't need the result): */ + files_downcast(ref_store, 0, "for_each_reflog_ent_reverse"); + logfp = fopen(git_path("logs/%s", refname), "r"); if (!logfp) return -1; @@ -3276,12 +3246,17 @@ int for_each_reflog_ent_reverse(const char *refname, each_reflog_ent_fn fn, void return ret; } -int for_each_reflog_ent(const char *refname, each_reflog_ent_fn fn, void *cb_data) +static int files_for_each_reflog_ent(struct ref_store *ref_store, + const char *refname, + each_reflog_ent_fn fn, void *cb_data) { FILE *logfp; struct strbuf sb = STRBUF_INIT; int ret = 0; + /* Check validity (but we don't need the result): */ + files_downcast(ref_store, 0, "for_each_reflog_ent"); + logfp = fopen(git_path("logs/%s", refname), "r"); if (!logfp) return -1; @@ -3360,22 +3335,19 @@ static struct ref_iterator_vtable files_reflog_iterator_vtable = { files_reflog_iterator_abort }; -struct ref_iterator *files_reflog_iterator_begin(void) +static struct ref_iterator *files_reflog_iterator_begin(struct ref_store *ref_store) { struct files_reflog_iterator *iter = xcalloc(1, sizeof(*iter)); struct ref_iterator *ref_iterator = &iter->base; + /* Check validity (but we don't need the result): */ + files_downcast(ref_store, 0, "reflog_iterator_begin"); + base_ref_iterator_init(ref_iterator, &files_reflog_iterator_vtable); iter->dir_iterator = dir_iterator_begin(git_path("logs")); return ref_iterator; } -int for_each_reflog(each_ref_fn fn, void *cb_data) -{ - return do_for_each_ref_iterator(files_reflog_iterator_begin(), - fn, cb_data); -} - static int ref_update_reject_duplicates(struct string_list *refnames, struct strbuf *err) { @@ -3448,7 +3420,8 @@ static int split_head_update(struct ref_update *update, * Note that the new update will itself be subject to splitting when * the iteration gets to it. */ -static int split_symref_update(struct ref_update *update, +static int split_symref_update(struct files_ref_store *refs, + struct ref_update *update, const char *referent, struct ref_transaction *transaction, struct string_list *affected_refnames, @@ -3562,7 +3535,8 @@ static int check_old_oid(struct ref_update *update, struct object_id *oid, * - If it is an update of head_ref, add a corresponding REF_LOG_ONLY * update of HEAD. */ -static int lock_ref_for_update(struct ref_update *update, +static int lock_ref_for_update(struct files_ref_store *refs, + struct ref_update *update, struct ref_transaction *transaction, const char *head_ref, struct string_list *affected_refnames, @@ -3574,6 +3548,8 @@ static int lock_ref_for_update(struct ref_update *update, int ret; struct ref_lock *lock; + assert_main_repository(&refs->base, "lock_ref_for_update"); + if ((update->flags & REF_HAVE_NEW) && is_null_sha1(update->new_sha1)) update->flags |= REF_DELETING; @@ -3584,11 +3560,10 @@ static int lock_ref_for_update(struct ref_update *update, return ret; } - ret = lock_raw_ref(update->refname, mustexist, + ret = lock_raw_ref(refs, update->refname, mustexist, affected_refnames, NULL, - &update->lock, &referent, + &lock, &referent, &update->type, err); - if (ret) { char *reason; @@ -3599,7 +3574,7 @@ static int lock_ref_for_update(struct ref_update *update, return ret; } - lock = update->lock; + update->backend_data = lock; if (update->type & REF_ISSYMREF) { if (update->flags & REF_NODEREF) { @@ -3627,7 +3602,8 @@ static int lock_ref_for_update(struct ref_update *update, * of processing the split-off update, so we * don't have to do it here. */ - ret = split_symref_update(update, referent.buf, transaction, + ret = split_symref_update(refs, update, + referent.buf, transaction, affected_refnames, err); if (ret) return ret; @@ -3646,7 +3622,8 @@ static int lock_ref_for_update(struct ref_update *update, for (parent_update = update->parent_update; parent_update; parent_update = parent_update->parent_update) { - oidcpy(&parent_update->lock->old_oid, &lock->old_oid); + struct ref_lock *parent_lock = parent_update->backend_data; + oidcpy(&parent_lock->old_oid, &lock->old_oid); } } @@ -3667,7 +3644,7 @@ static int lock_ref_for_update(struct ref_update *update, * The lock was freed upon failure of * write_ref_to_lockfile(): */ - update->lock = NULL; + update->backend_data = NULL; strbuf_addf(err, "cannot update ref '%s': %s", update->refname, write_err); @@ -3692,9 +3669,12 @@ static int lock_ref_for_update(struct ref_update *update, return 0; } -int ref_transaction_commit(struct ref_transaction *transaction, - struct strbuf *err) +static int files_transaction_commit(struct ref_store *ref_store, + struct ref_transaction *transaction, + struct strbuf *err) { + struct files_ref_store *refs = + files_downcast(ref_store, 0, "ref_transaction_commit"); int ret = 0, i; struct string_list refs_to_delete = STRING_LIST_INIT_NODUP; struct string_list_item *ref_to_delete; @@ -3773,8 +3753,8 @@ int ref_transaction_commit(struct ref_transaction *transaction, for (i = 0; i < transaction->nr; i++) { struct ref_update *update = transaction->updates[i]; - ret = lock_ref_for_update(update, transaction, head_ref, - &affected_refnames, err); + ret = lock_ref_for_update(refs, update, transaction, + head_ref, &affected_refnames, err); if (ret) goto cleanup; } @@ -3782,7 +3762,7 @@ int ref_transaction_commit(struct ref_transaction *transaction, /* Perform updates first so live commits remain referenced */ for (i = 0; i < transaction->nr; i++) { struct ref_update *update = transaction->updates[i]; - struct ref_lock *lock = update->lock; + struct ref_lock *lock = update->backend_data; if (update->flags & REF_NEEDS_COMMIT || update->flags & REF_LOG_ONLY) { @@ -3795,17 +3775,17 @@ int ref_transaction_commit(struct ref_transaction *transaction, lock->ref_name, old_msg); free(old_msg); unlock_ref(lock); - update->lock = NULL; + update->backend_data = NULL; ret = TRANSACTION_GENERIC_ERROR; goto cleanup; } } if (update->flags & REF_NEEDS_COMMIT) { - clear_loose_ref_cache(&ref_cache); + clear_loose_ref_cache(refs); if (commit_ref(lock)) { strbuf_addf(err, "couldn't set '%s'", lock->ref_name); unlock_ref(lock); - update->lock = NULL; + update->backend_data = NULL; ret = TRANSACTION_GENERIC_ERROR; goto cleanup; } @@ -3814,34 +3794,35 @@ int ref_transaction_commit(struct ref_transaction *transaction, /* Perform deletes now that updates are safely completed */ for (i = 0; i < transaction->nr; i++) { struct ref_update *update = transaction->updates[i]; + struct ref_lock *lock = update->backend_data; if (update->flags & REF_DELETING && !(update->flags & REF_LOG_ONLY)) { - if (delete_ref_loose(update->lock, update->type, err)) { + if (delete_ref_loose(lock, update->type, err)) { ret = TRANSACTION_GENERIC_ERROR; goto cleanup; } if (!(update->flags & REF_ISPRUNING)) string_list_append(&refs_to_delete, - update->lock->ref_name); + lock->ref_name); } } - if (repack_without_refs(&refs_to_delete, err)) { + if (repack_without_refs(refs, &refs_to_delete, err)) { ret = TRANSACTION_GENERIC_ERROR; goto cleanup; } for_each_string_list_item(ref_to_delete, &refs_to_delete) unlink_or_warn(git_path("logs/%s", ref_to_delete->string)); - clear_loose_ref_cache(&ref_cache); + clear_loose_ref_cache(refs); cleanup: transaction->state = REF_TRANSACTION_CLOSED; for (i = 0; i < transaction->nr; i++) - if (transaction->updates[i]->lock) - unlock_ref(transaction->updates[i]->lock); + if (transaction->updates[i]->backend_data) + unlock_ref(transaction->updates[i]->backend_data); string_list_clear(&refs_to_delete, 0); free(head_ref); string_list_clear(&affected_refnames, 0); @@ -3857,9 +3838,12 @@ static int ref_present(const char *refname, return string_list_has_string(affected_refnames, refname); } -int initial_ref_transaction_commit(struct ref_transaction *transaction, - struct strbuf *err) +static int files_initial_transaction_commit(struct ref_store *ref_store, + struct ref_transaction *transaction, + struct strbuf *err) { + struct files_ref_store *refs = + files_downcast(ref_store, 0, "initial_ref_transaction_commit"); int ret = 0, i; struct string_list affected_refnames = STRING_LIST_INIT_NODUP; @@ -3907,7 +3891,7 @@ int initial_ref_transaction_commit(struct ref_transaction *transaction, } } - if (lock_packed_refs(0)) { + if (lock_packed_refs(refs, 0)) { strbuf_addf(err, "unable to lock packed-refs file: %s", strerror(errno)); ret = TRANSACTION_GENERIC_ERROR; @@ -3919,10 +3903,10 @@ int initial_ref_transaction_commit(struct ref_transaction *transaction, if ((update->flags & REF_HAVE_NEW) && !is_null_sha1(update->new_sha1)) - add_packed_ref(update->refname, update->new_sha1); + add_packed_ref(refs, update->refname, update->new_sha1); } - if (commit_packed_refs()) { + if (commit_packed_refs(refs)) { strbuf_addf(err, "unable to commit packed-refs file: %s", strerror(errno)); ret = TRANSACTION_GENERIC_ERROR; @@ -3972,13 +3956,16 @@ static int expire_reflog_ent(unsigned char *osha1, unsigned char *nsha1, return 0; } -int reflog_expire(const char *refname, const unsigned char *sha1, - unsigned int flags, - reflog_expiry_prepare_fn prepare_fn, - reflog_expiry_should_prune_fn should_prune_fn, - reflog_expiry_cleanup_fn cleanup_fn, - void *policy_cb_data) +static int files_reflog_expire(struct ref_store *ref_store, + const char *refname, const unsigned char *sha1, + unsigned int flags, + reflog_expiry_prepare_fn prepare_fn, + reflog_expiry_should_prune_fn should_prune_fn, + reflog_expiry_cleanup_fn cleanup_fn, + void *policy_cb_data) { + struct files_ref_store *refs = + files_downcast(ref_store, 0, "reflog_expire"); static struct lock_file reflog_lock; struct expire_reflog_cb cb; struct ref_lock *lock; @@ -3997,7 +3984,8 @@ int reflog_expire(const char *refname, const unsigned char *sha1, * reference itself, plus we might need to update the * reference if --updateref was specified: */ - lock = lock_ref_sha1_basic(refname, sha1, NULL, NULL, REF_NODEREF, + lock = lock_ref_sha1_basic(refs, refname, sha1, + NULL, NULL, REF_NODEREF, &type, &err); if (!lock) { error("cannot lock ref '%s': %s", refname, err.buf); @@ -4077,3 +4065,47 @@ int reflog_expire(const char *refname, const unsigned char *sha1, unlock_ref(lock); return -1; } + +static int files_init_db(struct ref_store *ref_store, struct strbuf *err) +{ + /* Check validity (but we don't need the result): */ + files_downcast(ref_store, 0, "init_db"); + + /* + * Create .git/refs/{heads,tags} + */ + safe_create_dir(git_path("refs/heads"), 1); + safe_create_dir(git_path("refs/tags"), 1); + if (get_shared_repository()) { + adjust_shared_perm(git_path("refs/heads")); + adjust_shared_perm(git_path("refs/tags")); + } + return 0; +} + +struct ref_storage_be refs_be_files = { + NULL, + "files", + files_ref_store_create, + files_init_db, + files_transaction_commit, + files_initial_transaction_commit, + + files_pack_refs, + files_peel_ref, + files_create_symref, + files_delete_refs, + files_rename_ref, + + files_ref_iterator_begin, + files_read_raw_ref, + files_verify_refname_available, + + files_reflog_iterator_begin, + files_for_each_reflog_ent, + files_for_each_reflog_ent_reverse, + files_reflog_exists, + files_create_reflog, + files_delete_reflog, + files_reflog_expire +}; diff --git a/refs/refs-internal.h b/refs/refs-internal.h index efe584701b..708b26082a 100644 --- a/refs/refs-internal.h +++ b/refs/refs-internal.h @@ -162,7 +162,7 @@ struct ref_update { */ unsigned int flags; - struct ref_lock *lock; + void *backend_data; unsigned int type; char *msg; @@ -240,7 +240,17 @@ const char *find_descendant_ref(const char *dirname, const struct string_list *extras, const struct string_list *skip); -int rename_ref_available(const char *oldname, const char *newname); +/* + * Check whether an attempt to rename old_refname to new_refname would + * cause a D/F conflict with any existing reference (other than + * possibly old_refname). If there would be a conflict, emit an error + * message and return false; otherwise, return true. + * + * Note that this function is not safe against all races with other + * processes (though rename_ref() catches some races that might get by + * this check). + */ +int rename_ref_available(const char *old_refname, const char *new_refname); /* We allow "recursive" symbolic refs. Only within reason, though */ #define SYMREF_MAXDEPTH 5 @@ -394,23 +404,6 @@ struct ref_iterator *prefix_ref_iterator_begin(struct ref_iterator *iter0, const char *prefix, int trim); -/* - * Iterate over the packed and loose references in the specified - * submodule that are within find_containing_dir(prefix). If prefix is - * NULL or the empty string, iterate over all references in the - * submodule. - */ -struct ref_iterator *files_ref_iterator_begin(const char *submodule, - const char *prefix, - unsigned int flags); - -/* - * Iterate over the references in the main ref_store that have a - * reflog. The paths within a directory are iterated over in arbitrary - * order. - */ -struct ref_iterator *files_reflog_iterator_begin(void); - /* Internal implementation of reference iteration: */ /* @@ -475,8 +468,85 @@ int do_for_each_ref_iterator(struct ref_iterator *iter, each_ref_fn fn, void *cb_data); /* - * Read the specified reference from the filesystem or packed refs - * file, non-recursively. Set type to describe the reference, and: + * Only include per-worktree refs in a do_for_each_ref*() iteration. + * Normally this will be used with a files ref_store, since that's + * where all reference backends will presumably store their + * per-worktree refs. + */ +#define DO_FOR_EACH_PER_WORKTREE_ONLY 0x02 + +struct ref_store; + +/* refs backends */ + +/* + * Initialize the ref_store for the specified submodule, or for the + * main repository if submodule == NULL. These functions should call + * base_ref_store_init() to initialize the shared part of the + * ref_store and to record the ref_store for later lookup. + */ +typedef struct ref_store *ref_store_init_fn(const char *submodule); + +typedef int ref_init_db_fn(struct ref_store *refs, struct strbuf *err); + +typedef int ref_transaction_commit_fn(struct ref_store *refs, + struct ref_transaction *transaction, + struct strbuf *err); + +typedef int pack_refs_fn(struct ref_store *ref_store, unsigned int flags); +typedef int peel_ref_fn(struct ref_store *ref_store, + const char *refname, unsigned char *sha1); +typedef int create_symref_fn(struct ref_store *ref_store, + const char *ref_target, + const char *refs_heads_master, + const char *logmsg); +typedef int delete_refs_fn(struct ref_store *ref_store, + struct string_list *refnames, unsigned int flags); +typedef int rename_ref_fn(struct ref_store *ref_store, + const char *oldref, const char *newref, + const char *logmsg); + +/* + * Iterate over the references in the specified ref_store that are + * within find_containing_dir(prefix). If prefix is NULL or the empty + * string, iterate over all references in the submodule. + */ +typedef struct ref_iterator *ref_iterator_begin_fn( + struct ref_store *ref_store, + const char *prefix, unsigned int flags); + +/* reflog functions */ + +/* + * Iterate over the references in the specified ref_store that have a + * reflog. The refs are iterated over in arbitrary order. + */ +typedef struct ref_iterator *reflog_iterator_begin_fn( + struct ref_store *ref_store); + +typedef int for_each_reflog_ent_fn(struct ref_store *ref_store, + const char *refname, + each_reflog_ent_fn fn, + void *cb_data); +typedef int for_each_reflog_ent_reverse_fn(struct ref_store *ref_store, + const char *refname, + each_reflog_ent_fn fn, + void *cb_data); +typedef int reflog_exists_fn(struct ref_store *ref_store, const char *refname); +typedef int create_reflog_fn(struct ref_store *ref_store, const char *refname, + int force_create, struct strbuf *err); +typedef int delete_reflog_fn(struct ref_store *ref_store, const char *refname); +typedef int reflog_expire_fn(struct ref_store *ref_store, + const char *refname, const unsigned char *sha1, + unsigned int flags, + reflog_expiry_prepare_fn prepare_fn, + reflog_expiry_should_prune_fn should_prune_fn, + reflog_expiry_cleanup_fn cleanup_fn, + void *policy_cb_data); + +/* + * Read a reference from the specified reference store, non-recursively. + * Set type to describe the reference, and: * * - If refname is the name of a normal reference, fill in sha1 * (leaving referent unchanged). @@ -512,7 +582,111 @@ int do_for_each_ref_iterator(struct ref_iterator *iter, * - in all other cases, referent will be untouched, and therefore * refname will still be valid and unchanged. */ -int read_raw_ref(const char *refname, unsigned char *sha1, - struct strbuf *referent, unsigned int *type); +typedef int read_raw_ref_fn(struct ref_store *ref_store, + const char *refname, unsigned char *sha1, + struct strbuf *referent, unsigned int *type); + +typedef int verify_refname_available_fn(struct ref_store *ref_store, + const char *newname, + const struct string_list *extras, + const struct string_list *skip, + struct strbuf *err); + +struct ref_storage_be { + struct ref_storage_be *next; + const char *name; + ref_store_init_fn *init; + ref_init_db_fn *init_db; + ref_transaction_commit_fn *transaction_commit; + ref_transaction_commit_fn *initial_transaction_commit; + + pack_refs_fn *pack_refs; + peel_ref_fn *peel_ref; + create_symref_fn *create_symref; + delete_refs_fn *delete_refs; + rename_ref_fn *rename_ref; + + ref_iterator_begin_fn *iterator_begin; + read_raw_ref_fn *read_raw_ref; + verify_refname_available_fn *verify_refname_available; + + reflog_iterator_begin_fn *reflog_iterator_begin; + for_each_reflog_ent_fn *for_each_reflog_ent; + for_each_reflog_ent_reverse_fn *for_each_reflog_ent_reverse; + reflog_exists_fn *reflog_exists; + create_reflog_fn *create_reflog; + delete_reflog_fn *delete_reflog; + reflog_expire_fn *reflog_expire; +}; + +extern struct ref_storage_be refs_be_files; + +/* + * A representation of the reference store for the main repository or + * a submodule. The ref_store instances for submodules are kept in a + * linked list. + */ +struct ref_store { + /* The backend describing this ref_store's storage scheme: */ + const struct ref_storage_be *be; + + /* + * The name of the submodule represented by this object, or + * the empty string if it represents the main repository's + * reference store: + */ + const char *submodule; + + /* + * Submodule reference store instances are stored in a linked + * list using this pointer. + */ + struct ref_store *next; +}; + +/* + * Fill in the generic part of refs for the specified submodule and + * add it to our collection of reference stores. + */ +void base_ref_store_init(struct ref_store *refs, + const struct ref_storage_be *be, + const char *submodule); + +/* + * Create, record, and return a ref_store instance for the specified + * submodule (or the main repository if submodule is NULL). + * + * For backwards compatibility, submodule=="" is treated the same as + * submodule==NULL. + */ +struct ref_store *ref_store_init(const char *submodule); + +/* + * Return the ref_store instance for the specified submodule (or the + * main repository if submodule is NULL). If that ref_store hasn't + * been initialized yet, return NULL. + * + * For backwards compatibility, submodule=="" is treated the same as + * submodule==NULL. + */ +struct ref_store *lookup_ref_store(const char *submodule); + +/* + * Return the ref_store instance for the specified submodule. For the + * main repository, use submodule==NULL; such a call cannot fail. For + * a submodule, the submodule must exist and be a nonbare repository, + * otherwise return NULL. If the requested reference store has not yet + * been initialized, initialize it first. + * + * For backwards compatibility, submodule=="" is treated the same as + * submodule==NULL. + */ +struct ref_store *get_ref_store(const char *submodule); + +/* + * Die if refs is for a submodule (i.e., not for the main repository). + * caller is used in any necessary error messages. + */ +void assert_main_repository(struct ref_store *refs, const char *caller); #endif /* REFS_REFS_INTERNAL_H */ @@ -980,7 +980,8 @@ static int handle_cache(const char *path, unsigned char *sha1, const char *outpu break; i = ce_stage(ce) - 1; if (!mmfile[i].ptr) { - mmfile[i].ptr = read_sha1_file(ce->sha1, &type, &size); + mmfile[i].ptr = read_sha1_file(ce->oid.hash, &type, + &size); mmfile[i].size = size; } } diff --git a/resolve-undo.c b/resolve-undo.c index 468a2eb92c..b40f3173d3 100644 --- a/resolve-undo.c +++ b/resolve-undo.c @@ -24,7 +24,7 @@ void record_resolve_undo(struct index_state *istate, struct cache_entry *ce) if (!lost->util) lost->util = xcalloc(1, sizeof(*ui)); ui = lost->util; - hashcpy(ui->sha1[stage - 1], ce->sha1); + hashcpy(ui->sha1[stage - 1], ce->oid.hash); ui->mode[stage - 1] = ce->ce_mode; } diff --git a/revision.c b/revision.c index 8a29cb03c5..969b3d149f 100644 --- a/revision.c +++ b/revision.c @@ -1275,7 +1275,7 @@ void add_index_objects_to_pending(struct rev_info *revs, unsigned flags) if (S_ISGITLINK(ce->ce_mode)) continue; - blob = lookup_blob(ce->sha1); + blob = lookup_blob(ce->oid.hash); if (!blob) die("unable to add index blob to traversal"); add_pending_object_with_path(revs, &blob->object, "", diff --git a/sequencer.c b/sequencer.c index 3804fa931d..eec8a60d6b 100644 --- a/sequencer.c +++ b/sequencer.c @@ -180,17 +180,20 @@ static void print_advice(int show_hint, struct replay_opts *opts) } } -static void write_message(struct strbuf *msgbuf, const char *filename) +static int write_message(struct strbuf *msgbuf, const char *filename) { static struct lock_file msg_file; - int msg_fd = hold_lock_file_for_update(&msg_file, filename, - LOCK_DIE_ON_ERROR); + int msg_fd = hold_lock_file_for_update(&msg_file, filename, 0); + if (msg_fd < 0) + return error_errno(_("Could not lock '%s'"), filename); if (write_in_full(msg_fd, msgbuf->buf, msgbuf->len) < 0) - die_errno(_("Could not write to %s"), filename); + return error_errno(_("Could not write to %s"), filename); strbuf_release(msgbuf); if (commit_lock_file(&msg_file) < 0) - die(_("Error wrapping up %s."), filename); + return error(_("Error wrapping up %s."), filename); + + return 0; } static struct tree *empty_tree(void) @@ -223,7 +226,7 @@ static int fast_forward_to(const unsigned char *to, const unsigned char *from, read_cache(); if (checkout_fast_forward(from, to, 1)) - exit(128); /* the callee should have complained already */ + return -1; /* the callee should have complained already */ strbuf_addf(&sb, _("%s: fast-forward"), action_name(opts)); @@ -300,7 +303,8 @@ static int do_recursive_merge(struct commit *base, struct commit *next, if (active_cache_changed && write_locked_index(&the_index, &index_lock, COMMIT_LOCK)) /* TRANSLATORS: %s will be "revert" or "cherry-pick" */ - die(_("%s: Unable to write new index file"), action_name(opts)); + return error(_("%s: Unable to write new index file"), + action_name(opts)); rollback_lock_file(&index_lock); if (opts->signoff) @@ -460,7 +464,7 @@ static int do_pick_commit(struct commit *commit, struct replay_opts *opts) * to work on. */ if (write_cache_as_tree(head, 0, NULL)) - die (_("Your index file is unmerged.")); + return error(_("Your index file is unmerged.")); } else { unborn = get_sha1("HEAD", head); if (unborn) @@ -564,16 +568,16 @@ static int do_pick_commit(struct commit *commit, struct replay_opts *opts) head, &msgbuf, opts); if (res < 0) return res; - write_message(&msgbuf, git_path_merge_msg()); + res |= write_message(&msgbuf, git_path_merge_msg()); } else { struct commit_list *common = NULL; struct commit_list *remotes = NULL; - write_message(&msgbuf, git_path_merge_msg()); + res = write_message(&msgbuf, git_path_merge_msg()); commit_list_insert(base, &common); commit_list_insert(next, &remotes); - res = try_merge_command(opts->strategy, opts->xopts_nr, opts->xopts, + res |= try_merge_command(opts->strategy, opts->xopts_nr, opts->xopts, common, sha1_to_hex(head), remotes); free_commit_list(common); free_commit_list(remotes); @@ -585,12 +589,14 @@ static int do_pick_commit(struct commit *commit, struct replay_opts *opts) * However, if the merge did not even start, then we don't want to * write it at all. */ - if (opts->action == REPLAY_PICK && !opts->no_commit && (res == 0 || res == 1)) - update_ref(NULL, "CHERRY_PICK_HEAD", commit->object.oid.hash, NULL, - REF_NODEREF, UPDATE_REFS_DIE_ON_ERR); - if (opts->action == REPLAY_REVERT && ((opts->no_commit && res == 0) || res == 1)) - update_ref(NULL, "REVERT_HEAD", commit->object.oid.hash, NULL, - REF_NODEREF, UPDATE_REFS_DIE_ON_ERR); + if (opts->action == REPLAY_PICK && !opts->no_commit && (res == 0 || res == 1) && + update_ref(NULL, "CHERRY_PICK_HEAD", commit->object.oid.hash, NULL, + REF_NODEREF, UPDATE_REFS_MSG_ON_ERR)) + res = -1; + if (opts->action == REPLAY_REVERT && ((opts->no_commit && res == 0) || res == 1) && + update_ref(NULL, "REVERT_HEAD", commit->object.oid.hash, NULL, + REF_NODEREF, UPDATE_REFS_MSG_ON_ERR)) + res = -1; if (res) { error(opts->action == REPLAY_REVERT @@ -617,7 +623,7 @@ leave: return res; } -static void prepare_revs(struct replay_opts *opts) +static int prepare_revs(struct replay_opts *opts) { /* * picking (but not reverting) ranges (but not individual revisions) @@ -627,24 +633,32 @@ static void prepare_revs(struct replay_opts *opts) opts->revs->reverse ^= 1; if (prepare_revision_walk(opts->revs)) - die(_("revision walk setup failed")); + return error(_("revision walk setup failed")); if (!opts->revs->commits) - die(_("empty commit set passed")); + return error(_("empty commit set passed")); + return 0; } -static void read_and_refresh_cache(struct replay_opts *opts) +static int read_and_refresh_cache(struct replay_opts *opts) { static struct lock_file index_lock; int index_fd = hold_locked_index(&index_lock, 0); - if (read_index_preload(&the_index, NULL) < 0) - die(_("git %s: failed to read the index"), action_name(opts)); + if (read_index_preload(&the_index, NULL) < 0) { + rollback_lock_file(&index_lock); + return error(_("git %s: failed to read the index"), + action_name(opts)); + } refresh_index(&the_index, REFRESH_QUIET|REFRESH_UNMERGED, NULL, NULL, NULL); if (the_index.cache_changed && index_fd >= 0) { - if (write_locked_index(&the_index, &index_lock, COMMIT_LOCK)) - die(_("git %s: failed to refresh the index"), action_name(opts)); + if (write_locked_index(&the_index, &index_lock, COMMIT_LOCK)) { + rollback_lock_file(&index_lock); + return error(_("git %s: failed to refresh the index"), + action_name(opts)); + } } rollback_lock_file(&index_lock); + return 0; } static int format_todo(struct strbuf *buf, struct commit_list *todo_list, @@ -738,7 +752,7 @@ static int parse_insn_buffer(char *buf, struct commit_list **todo_list, return 0; } -static void read_populate_todo(struct commit_list **todo_list, +static int read_populate_todo(struct commit_list **todo_list, struct replay_opts *opts) { struct strbuf buf = STRBUF_INIT; @@ -746,18 +760,21 @@ static void read_populate_todo(struct commit_list **todo_list, fd = open(git_path_todo_file(), O_RDONLY); if (fd < 0) - die_errno(_("Could not open %s"), git_path_todo_file()); + return error_errno(_("Could not open %s"), + git_path_todo_file()); if (strbuf_read(&buf, fd, 0) < 0) { close(fd); strbuf_release(&buf); - die(_("Could not read %s."), git_path_todo_file()); + return error(_("Could not read %s."), git_path_todo_file()); } close(fd); res = parse_insn_buffer(buf.buf, todo_list, opts); strbuf_release(&buf); if (res) - die(_("Unusable instruction sheet: %s"), git_path_todo_file()); + return error(_("Unusable instruction sheet: %s"), + git_path_todo_file()); + return 0; } static int populate_opts_cb(const char *key, const char *value, void *data) @@ -795,25 +812,35 @@ static int populate_opts_cb(const char *key, const char *value, void *data) return 0; } -static void read_populate_opts(struct replay_opts **opts_ptr) +static int read_populate_opts(struct replay_opts **opts) { if (!file_exists(git_path_opts_file())) - return; - if (git_config_from_file(populate_opts_cb, git_path_opts_file(), *opts_ptr) < 0) - die(_("Malformed options sheet: %s"), git_path_opts_file()); + return 0; + /* + * The function git_parse_source(), called from git_config_from_file(), + * may die() in case of a syntactically incorrect file. We do not care + * about this case, though, because we wrote that file ourselves, so we + * are pretty certain that it is syntactically correct. + */ + if (git_config_from_file(populate_opts_cb, git_path_opts_file(), *opts) < 0) + return error(_("Malformed options sheet: %s"), + git_path_opts_file()); + return 0; } -static void walk_revs_populate_todo(struct commit_list **todo_list, +static int walk_revs_populate_todo(struct commit_list **todo_list, struct replay_opts *opts) { struct commit *commit; struct commit_list **next; - prepare_revs(opts); + if (prepare_revs(opts)) + return -1; next = todo_list; while ((commit = get_revision(opts->revs))) next = commit_list_append(commit, next); + return 0; } static int create_seq_dir(void) @@ -824,23 +851,33 @@ static int create_seq_dir(void) return -1; } else if (mkdir(git_path_seq_dir(), 0777) < 0) - die_errno(_("Could not create sequencer directory %s"), - git_path_seq_dir()); + return error_errno(_("Could not create sequencer directory %s"), + git_path_seq_dir()); return 0; } -static void save_head(const char *head) +static int save_head(const char *head) { static struct lock_file head_lock; struct strbuf buf = STRBUF_INIT; int fd; - fd = hold_lock_file_for_update(&head_lock, git_path_head_file(), LOCK_DIE_ON_ERROR); + fd = hold_lock_file_for_update(&head_lock, git_path_head_file(), 0); + if (fd < 0) { + rollback_lock_file(&head_lock); + return error_errno(_("Could not lock HEAD")); + } strbuf_addf(&buf, "%s\n", head); - if (write_in_full(fd, buf.buf, buf.len) < 0) - die_errno(_("Could not write to %s"), git_path_head_file()); - if (commit_lock_file(&head_lock) < 0) - die(_("Error wrapping up %s."), git_path_head_file()); + if (write_in_full(fd, buf.buf, buf.len) < 0) { + rollback_lock_file(&head_lock); + return error_errno(_("Could not write to %s"), + git_path_head_file()); + } + if (commit_lock_file(&head_lock) < 0) { + rollback_lock_file(&head_lock); + return error(_("Error wrapping up %s."), git_path_head_file()); + } + return 0; } static int reset_for_rollback(const unsigned char *sha1) @@ -910,57 +947,66 @@ fail: return -1; } -static void save_todo(struct commit_list *todo_list, struct replay_opts *opts) +static int save_todo(struct commit_list *todo_list, struct replay_opts *opts) { static struct lock_file todo_lock; struct strbuf buf = STRBUF_INIT; int fd; - fd = hold_lock_file_for_update(&todo_lock, git_path_todo_file(), LOCK_DIE_ON_ERROR); - if (format_todo(&buf, todo_list, opts) < 0) - die(_("Could not format %s."), git_path_todo_file()); + fd = hold_lock_file_for_update(&todo_lock, git_path_todo_file(), 0); + if (fd < 0) + return error_errno(_("Could not lock '%s'"), + git_path_todo_file()); + if (format_todo(&buf, todo_list, opts) < 0) { + strbuf_release(&buf); + return error(_("Could not format %s."), git_path_todo_file()); + } if (write_in_full(fd, buf.buf, buf.len) < 0) { strbuf_release(&buf); - die_errno(_("Could not write to %s"), git_path_todo_file()); + return error_errno(_("Could not write to %s"), + git_path_todo_file()); } if (commit_lock_file(&todo_lock) < 0) { strbuf_release(&buf); - die(_("Error wrapping up %s."), git_path_todo_file()); + return error(_("Error wrapping up %s."), git_path_todo_file()); } strbuf_release(&buf); + return 0; } -static void save_opts(struct replay_opts *opts) +static int save_opts(struct replay_opts *opts) { const char *opts_file = git_path_opts_file(); + int res = 0; if (opts->no_commit) - git_config_set_in_file(opts_file, "options.no-commit", "true"); + res |= git_config_set_in_file_gently(opts_file, "options.no-commit", "true"); if (opts->edit) - git_config_set_in_file(opts_file, "options.edit", "true"); + res |= git_config_set_in_file_gently(opts_file, "options.edit", "true"); if (opts->signoff) - git_config_set_in_file(opts_file, "options.signoff", "true"); + res |= git_config_set_in_file_gently(opts_file, "options.signoff", "true"); if (opts->record_origin) - git_config_set_in_file(opts_file, "options.record-origin", "true"); + res |= git_config_set_in_file_gently(opts_file, "options.record-origin", "true"); if (opts->allow_ff) - git_config_set_in_file(opts_file, "options.allow-ff", "true"); + res |= git_config_set_in_file_gently(opts_file, "options.allow-ff", "true"); if (opts->mainline) { struct strbuf buf = STRBUF_INIT; strbuf_addf(&buf, "%d", opts->mainline); - git_config_set_in_file(opts_file, "options.mainline", buf.buf); + res |= git_config_set_in_file_gently(opts_file, "options.mainline", buf.buf); strbuf_release(&buf); } if (opts->strategy) - git_config_set_in_file(opts_file, "options.strategy", opts->strategy); + res |= git_config_set_in_file_gently(opts_file, "options.strategy", opts->strategy); if (opts->gpg_sign) - git_config_set_in_file(opts_file, "options.gpg-sign", opts->gpg_sign); + res |= git_config_set_in_file_gently(opts_file, "options.gpg-sign", opts->gpg_sign); if (opts->xopts) { int i; for (i = 0; i < opts->xopts_nr; i++) - git_config_set_multivar_in_file(opts_file, + res |= git_config_set_multivar_in_file_gently(opts_file, "options.strategy-option", opts->xopts[i], "^$", 0); } + return res; } static int pick_commits(struct commit_list *todo_list, struct replay_opts *opts) @@ -972,10 +1018,12 @@ static int pick_commits(struct commit_list *todo_list, struct replay_opts *opts) if (opts->allow_ff) assert(!(opts->signoff || opts->no_commit || opts->record_origin || opts->edit)); - read_and_refresh_cache(opts); + if (read_and_refresh_cache(opts)) + return -1; for (cur = todo_list; cur; cur = cur->next) { - save_todo(cur, opts); + if (save_todo(cur, opts)) + return -1; res = do_pick_commit(cur->item, opts); if (res) return res; @@ -1005,8 +1053,9 @@ static int sequencer_continue(struct replay_opts *opts) if (!file_exists(git_path_todo_file())) return continue_single_pick(); - read_populate_opts(&opts); - read_populate_todo(&todo_list, opts); + if (read_populate_opts(&opts) || + read_populate_todo(&todo_list, opts)) + return -1; /* Verify that the conflict has been resolved */ if (file_exists(git_path_cherry_pick_head()) || @@ -1036,7 +1085,8 @@ int sequencer_pick_revisions(struct replay_opts *opts) if (opts->subcommand == REPLAY_NONE) assert(opts->revs); - read_and_refresh_cache(opts); + if (read_and_refresh_cache(opts)) + return -1; /* * Decide what to do depending on the arguments; a fresh @@ -1063,10 +1113,11 @@ int sequencer_pick_revisions(struct replay_opts *opts) if (!get_sha1(name, sha1)) { if (!lookup_commit_reference_gently(sha1, 1)) { enum object_type type = sha1_object_info(sha1, NULL); - die(_("%s: can't cherry-pick a %s"), name, typename(type)); + return error(_("%s: can't cherry-pick a %s"), + name, typename(type)); } } else - die(_("%s: bad revision"), name); + return error(_("%s: bad revision"), name); } /* @@ -1082,10 +1133,10 @@ int sequencer_pick_revisions(struct replay_opts *opts) !opts->revs->cmdline.rev->flags) { struct commit *cmit; if (prepare_revision_walk(opts->revs)) - die(_("revision walk setup failed")); + return error(_("revision walk setup failed")); cmit = get_revision(opts->revs); if (!cmit || get_revision(opts->revs)) - die("BUG: expected exactly one commit from walk"); + return error("BUG: expected exactly one commit from walk"); return single_pick(cmit, opts); } @@ -1095,13 +1146,15 @@ int sequencer_pick_revisions(struct replay_opts *opts) * progress */ - walk_revs_populate_todo(&todo_list, opts); - if (create_seq_dir() < 0) + if (walk_revs_populate_todo(&todo_list, opts) || + create_seq_dir() < 0) return -1; if (get_sha1("HEAD", sha1) && (opts->action == REPLAY_REVERT)) return error(_("Can't revert as initial commit")); - save_head(sha1_to_hex(sha1)); - save_opts(opts); + if (save_head(sha1_to_hex(sha1))) + return -1; + if (save_opts(opts)) + return -1; return pick_commits(todo_list, opts); } diff --git a/sha1_file.c b/sha1_file.c index 3045aeabda..472ccb2ff9 100644 --- a/sha1_file.c +++ b/sha1_file.c @@ -24,6 +24,7 @@ #include "streaming.h" #include "dir.h" #include "mru.h" +#include "list.h" #ifndef O_NOATIME #if defined(__linux__) && (defined(__i386__) || defined(__PPC__)) @@ -38,6 +39,12 @@ static inline uintmax_t sz_fmt(size_t s) { return s; } const unsigned char null_sha1[20]; const struct object_id null_oid; +const struct object_id empty_tree_oid = { + EMPTY_TREE_SHA1_BIN_LITERAL +}; +const struct object_id empty_blob_oid = { + EMPTY_BLOB_SHA1_BIN_LITERAL +}; /* * This is meant to hold a *small* number of objects that you would @@ -418,6 +425,82 @@ void add_to_alternates_file(const char *reference) free(alts); } +/* + * Compute the exact path an alternate is at and returns it. In case of + * error NULL is returned and the human readable error is added to `err` + * `path` may be relative and should point to $GITDIR. + * `err` must not be null. + */ +char *compute_alternate_path(const char *path, struct strbuf *err) +{ + char *ref_git = NULL; + const char *repo, *ref_git_s; + int seen_error = 0; + + ref_git_s = real_path_if_valid(path); + if (!ref_git_s) { + seen_error = 1; + strbuf_addf(err, _("path '%s' does not exist"), path); + goto out; + } else + /* + * Beware: read_gitfile(), real_path() and mkpath() + * return static buffer + */ + ref_git = xstrdup(ref_git_s); + + repo = read_gitfile(ref_git); + if (!repo) + repo = read_gitfile(mkpath("%s/.git", ref_git)); + if (repo) { + free(ref_git); + ref_git = xstrdup(repo); + } + + if (!repo && is_directory(mkpath("%s/.git/objects", ref_git))) { + char *ref_git_git = mkpathdup("%s/.git", ref_git); + free(ref_git); + ref_git = ref_git_git; + } else if (!is_directory(mkpath("%s/objects", ref_git))) { + struct strbuf sb = STRBUF_INIT; + seen_error = 1; + if (get_common_dir(&sb, ref_git)) { + strbuf_addf(err, + _("reference repository '%s' as a linked " + "checkout is not supported yet."), + path); + goto out; + } + + strbuf_addf(err, _("reference repository '%s' is not a " + "local repository."), path); + goto out; + } + + if (!access(mkpath("%s/shallow", ref_git), F_OK)) { + strbuf_addf(err, _("reference repository '%s' is shallow"), + path); + seen_error = 1; + goto out; + } + + if (!access(mkpath("%s/info/grafts", ref_git), F_OK)) { + strbuf_addf(err, + _("reference repository '%s' is grafted"), + path); + seen_error = 1; + goto out; + } + +out: + if (seen_error) { + free(ref_git); + ref_git = NULL; + } + + return ref_git; +} + int foreach_alt_odb(alt_odb_fn fn, void *cb) { struct alternate_object_database *ent; @@ -2073,136 +2156,142 @@ static void *unpack_compressed_entry(struct packed_git *p, return buffer; } -#define MAX_DELTA_CACHE (256) - +static struct hashmap delta_base_cache; static size_t delta_base_cached; -static struct delta_base_cache_lru_list { - struct delta_base_cache_lru_list *prev; - struct delta_base_cache_lru_list *next; -} delta_base_cache_lru = { &delta_base_cache_lru, &delta_base_cache_lru }; +static LIST_HEAD(delta_base_cache_lru); -static struct delta_base_cache_entry { - struct delta_base_cache_lru_list lru; - void *data; +struct delta_base_cache_key { struct packed_git *p; off_t base_offset; +}; + +struct delta_base_cache_entry { + struct hashmap hash; + struct delta_base_cache_key key; + struct list_head lru; + void *data; unsigned long size; enum object_type type; -} delta_base_cache[MAX_DELTA_CACHE]; +}; -static unsigned long pack_entry_hash(struct packed_git *p, off_t base_offset) +static unsigned int pack_entry_hash(struct packed_git *p, off_t base_offset) { - unsigned long hash; + unsigned int hash; - hash = (unsigned long)(intptr_t)p + (unsigned long)base_offset; + hash = (unsigned int)(intptr_t)p + (unsigned int)base_offset; hash += (hash >> 8) + (hash >> 16); - return hash % MAX_DELTA_CACHE; + return hash; } static struct delta_base_cache_entry * get_delta_base_cache_entry(struct packed_git *p, off_t base_offset) { - unsigned long hash = pack_entry_hash(p, base_offset); - return delta_base_cache + hash; + struct hashmap_entry entry; + struct delta_base_cache_key key; + + if (!delta_base_cache.cmpfn) + return NULL; + + hashmap_entry_init(&entry, pack_entry_hash(p, base_offset)); + key.p = p; + key.base_offset = base_offset; + return hashmap_get(&delta_base_cache, &entry, &key); +} + +static int delta_base_cache_key_eq(const struct delta_base_cache_key *a, + const struct delta_base_cache_key *b) +{ + return a->p == b->p && a->base_offset == b->base_offset; } -static int eq_delta_base_cache_entry(struct delta_base_cache_entry *ent, - struct packed_git *p, off_t base_offset) +static int delta_base_cache_hash_cmp(const void *va, const void *vb, + const void *vkey) { - return (ent->data && ent->p == p && ent->base_offset == base_offset); + const struct delta_base_cache_entry *a = va, *b = vb; + const struct delta_base_cache_key *key = vkey; + if (key) + return !delta_base_cache_key_eq(&a->key, key); + else + return !delta_base_cache_key_eq(&a->key, &b->key); } static int in_delta_base_cache(struct packed_git *p, off_t base_offset) { - struct delta_base_cache_entry *ent; - ent = get_delta_base_cache_entry(p, base_offset); - return eq_delta_base_cache_entry(ent, p, base_offset); + return !!get_delta_base_cache_entry(p, base_offset); } -static void clear_delta_base_cache_entry(struct delta_base_cache_entry *ent) +/* + * Remove the entry from the cache, but do _not_ free the associated + * entry data. The caller takes ownership of the "data" buffer, and + * should copy out any fields it wants before detaching. + */ +static void detach_delta_base_cache_entry(struct delta_base_cache_entry *ent) { - ent->data = NULL; - ent->lru.next->prev = ent->lru.prev; - ent->lru.prev->next = ent->lru.next; + hashmap_remove(&delta_base_cache, ent, &ent->key); + list_del(&ent->lru); delta_base_cached -= ent->size; + free(ent); } static void *cache_or_unpack_entry(struct packed_git *p, off_t base_offset, - unsigned long *base_size, enum object_type *type, int keep_cache) + unsigned long *base_size, enum object_type *type) { struct delta_base_cache_entry *ent; - void *ret; ent = get_delta_base_cache_entry(p, base_offset); - - if (!eq_delta_base_cache_entry(ent, p, base_offset)) + if (!ent) return unpack_entry(p, base_offset, type, base_size); - ret = ent->data; - - if (!keep_cache) - clear_delta_base_cache_entry(ent); - else - ret = xmemdupz(ent->data, ent->size); *type = ent->type; *base_size = ent->size; - return ret; + return xmemdupz(ent->data, ent->size); } static inline void release_delta_base_cache(struct delta_base_cache_entry *ent) { - if (ent->data) { - free(ent->data); - ent->data = NULL; - ent->lru.next->prev = ent->lru.prev; - ent->lru.prev->next = ent->lru.next; - delta_base_cached -= ent->size; - } + free(ent->data); + detach_delta_base_cache_entry(ent); } void clear_delta_base_cache(void) { - unsigned long p; - for (p = 0; p < MAX_DELTA_CACHE; p++) - release_delta_base_cache(&delta_base_cache[p]); + struct hashmap_iter iter; + struct delta_base_cache_entry *entry; + for (entry = hashmap_iter_first(&delta_base_cache, &iter); + entry; + entry = hashmap_iter_next(&iter)) { + release_delta_base_cache(entry); + } } static void add_delta_base_cache(struct packed_git *p, off_t base_offset, void *base, unsigned long base_size, enum object_type type) { - unsigned long hash = pack_entry_hash(p, base_offset); - struct delta_base_cache_entry *ent = delta_base_cache + hash; - struct delta_base_cache_lru_list *lru; + struct delta_base_cache_entry *ent = xmalloc(sizeof(*ent)); + struct list_head *lru; - release_delta_base_cache(ent); delta_base_cached += base_size; - for (lru = delta_base_cache_lru.next; - delta_base_cached > delta_base_cache_limit - && lru != &delta_base_cache_lru; - lru = lru->next) { - struct delta_base_cache_entry *f = (void *)lru; - if (f->type == OBJ_BLOB) - release_delta_base_cache(f); - } - for (lru = delta_base_cache_lru.next; - delta_base_cached > delta_base_cache_limit - && lru != &delta_base_cache_lru; - lru = lru->next) { - struct delta_base_cache_entry *f = (void *)lru; + list_for_each(lru, &delta_base_cache_lru) { + struct delta_base_cache_entry *f = + list_entry(lru, struct delta_base_cache_entry, lru); + if (delta_base_cached <= delta_base_cache_limit) + break; release_delta_base_cache(f); } - ent->p = p; - ent->base_offset = base_offset; + ent->key.p = p; + ent->key.base_offset = base_offset; ent->type = type; ent->data = base; ent->size = base_size; - ent->lru.next = &delta_base_cache_lru; - ent->lru.prev = delta_base_cache_lru.prev; - delta_base_cache_lru.prev->next = &ent->lru; - delta_base_cache_lru.prev = &ent->lru; + list_add_tail(&ent->lru, &delta_base_cache_lru); + + if (!delta_base_cache.cmpfn) + hashmap_init(&delta_base_cache, delta_base_cache_hash_cmp, 0); + hashmap_entry_init(ent, pack_entry_hash(p, base_offset)); + hashmap_add(&delta_base_cache, ent); } static void *read_object(const unsigned char *sha1, enum object_type *type, @@ -2246,11 +2335,11 @@ void *unpack_entry(struct packed_git *p, off_t obj_offset, struct delta_base_cache_entry *ent; ent = get_delta_base_cache_entry(p, curpos); - if (eq_delta_base_cache_entry(ent, p, curpos)) { + if (ent) { type = ent->type; data = ent->data; size = ent->size; - clear_delta_base_cache_entry(ent); + detach_delta_base_cache_entry(ent); base_from_cache = 1; break; } @@ -2755,7 +2844,7 @@ static void *read_packed_sha1(const unsigned char *sha1, if (!find_pack_entry(sha1, &e)) return NULL; - data = cache_or_unpack_entry(e.p, e.offset, size, type, 1); + data = cache_or_unpack_entry(e.p, e.offset, size, type); if (!data) { /* * We're probably in deep shit, but let's try to fetch diff --git a/sha1_name.c b/sha1_name.c index ca7ddd6f2c..faf873cf7f 100644 --- a/sha1_name.c +++ b/sha1_name.c @@ -995,35 +995,35 @@ static int interpret_nth_prior_checkout(const char *name, int namelen, return retval; } -int get_sha1_mb(const char *name, unsigned char *sha1) +int get_oid_mb(const char *name, struct object_id *oid) { struct commit *one, *two; struct commit_list *mbs; - unsigned char sha1_tmp[20]; + struct object_id oid_tmp; const char *dots; int st; dots = strstr(name, "..."); if (!dots) - return get_sha1(name, sha1); + return get_oid(name, oid); if (dots == name) - st = get_sha1("HEAD", sha1_tmp); + st = get_oid("HEAD", &oid_tmp); else { struct strbuf sb; strbuf_init(&sb, dots - name); strbuf_add(&sb, name, dots - name); - st = get_sha1_committish(sb.buf, sha1_tmp); + st = get_sha1_committish(sb.buf, oid_tmp.hash); strbuf_release(&sb); } if (st) return st; - one = lookup_commit_reference_gently(sha1_tmp, 0); + one = lookup_commit_reference_gently(oid_tmp.hash, 0); if (!one) return -1; - if (get_sha1_committish(dots[3] ? (dots + 3) : "HEAD", sha1_tmp)) + if (get_sha1_committish(dots[3] ? (dots + 3) : "HEAD", oid_tmp.hash)) return -1; - two = lookup_commit_reference_gently(sha1_tmp, 0); + two = lookup_commit_reference_gently(oid_tmp.hash, 0); if (!two) return -1; mbs = get_merge_bases(one, two); @@ -1031,7 +1031,7 @@ int get_sha1_mb(const char *name, unsigned char *sha1) st = -1; else { st = 0; - hashcpy(sha1, mbs->item->object.oid.hash); + oidcpy(oid, &mbs->item->object.oid); } free_commit_list(mbs); return st; @@ -1435,7 +1435,7 @@ static int get_sha1_with_context_1(const char *name, memcmp(ce->name, cp, namelen)) break; if (ce_stage(ce) == stage) { - hashcpy(sha1, ce->sha1); + hashcpy(sha1, ce->oid.hash); oc->mode = ce->ce_mode; free(new_path); return 0; diff --git a/streaming.c b/streaming.c index 811fcc24d2..3c48f049d3 100644 --- a/streaming.c +++ b/streaming.c @@ -497,7 +497,7 @@ static open_method_decl(incore) * Users of streaming interface ****************************************************************/ -int stream_blob_to_fd(int fd, unsigned const char *sha1, struct stream_filter *filter, +int stream_blob_to_fd(int fd, const struct object_id *oid, struct stream_filter *filter, int can_seek) { struct git_istream *st; @@ -506,7 +506,7 @@ int stream_blob_to_fd(int fd, unsigned const char *sha1, struct stream_filter *f ssize_t kept = 0; int result = -1; - st = open_istream(sha1, &type, &sz, filter); + st = open_istream(oid->hash, &type, &sz, filter); if (!st) { if (filter) free_stream_filter(filter); diff --git a/streaming.h b/streaming.h index 1d05c2a465..73c1d156b3 100644 --- a/streaming.h +++ b/streaming.h @@ -12,6 +12,6 @@ extern struct git_istream *open_istream(const unsigned char *, enum object_type extern int close_istream(struct git_istream *); extern ssize_t read_istream(struct git_istream *, void *, size_t); -extern int stream_blob_to_fd(int fd, const unsigned char *, struct stream_filter *, int can_seek); +extern int stream_blob_to_fd(int fd, const struct object_id *, struct stream_filter *, int can_seek); #endif /* STREAMING_H */ diff --git a/submodule.c b/submodule.c index e8258f061a..0ef2ff4321 100644 --- a/submodule.c +++ b/submodule.c @@ -127,7 +127,9 @@ static int add_submodule_odb(const char *path) int ret = 0; size_t alloc; - strbuf_git_path_submodule(&objects_directory, path, "objects/"); + ret = strbuf_git_path_submodule(&objects_directory, path, "objects/"); + if (ret) + goto done; if (!is_directory(objects_directory.buf)) { ret = -1; goto done; @@ -278,9 +280,9 @@ void handle_ignore_submodules_arg(struct diff_options *diffopt, static int prepare_submodule_summary(struct rev_info *rev, const char *path, struct commit *left, struct commit *right, - int *fast_forward, int *fast_backward) + struct commit_list *merge_bases) { - struct commit_list *merge_bases, *list; + struct commit_list *list; init_revisions(rev, NULL); setup_revisions(0, NULL, rev, NULL); @@ -289,13 +291,6 @@ static int prepare_submodule_summary(struct rev_info *rev, const char *path, left->object.flags |= SYMMETRIC_LEFT; add_pending_object(rev, &left->object, path); add_pending_object(rev, &right->object, path); - merge_bases = get_merge_bases(left, right); - if (merge_bases) { - if (merge_bases->item == left) - *fast_forward = 1; - else if (merge_bases->item == right) - *fast_backward = 1; - } for (list = merge_bases; list; list = list->next) { list->item->object.flags |= UNINTERESTING; add_pending_object(rev, &list->item->object, @@ -333,31 +328,23 @@ static void print_submodule_summary(struct rev_info *rev, FILE *f, strbuf_release(&sb); } -void show_submodule_summary(FILE *f, const char *path, +/* Helper function to display the submodule header line prior to the full + * summary output. If it can locate the submodule objects directory it will + * attempt to lookup both the left and right commits and put them into the + * left and right pointers. + */ +static void show_submodule_header(FILE *f, const char *path, const char *line_prefix, - unsigned char one[20], unsigned char two[20], + struct object_id *one, struct object_id *two, unsigned dirty_submodule, const char *meta, - const char *del, const char *add, const char *reset) + const char *reset, + struct commit **left, struct commit **right, + struct commit_list **merge_bases) { - struct rev_info rev; - struct commit *left = NULL, *right = NULL; const char *message = NULL; struct strbuf sb = STRBUF_INIT; int fast_forward = 0, fast_backward = 0; - if (is_null_sha1(two)) - message = "(submodule deleted)"; - else if (add_submodule_odb(path)) - message = "(not checked out)"; - else if (is_null_sha1(one)) - message = "(new submodule)"; - else if (!(left = lookup_commit_reference(one)) || - !(right = lookup_commit_reference(two))) - message = "(commits not present)"; - else if (prepare_submodule_summary(&rev, path, left, right, - &fast_forward, &fast_backward)) - message = "(revision walker failed)"; - if (dirty_submodule & DIRTY_SUBMODULE_UNTRACKED) fprintf(f, "%sSubmodule %s contains untracked content\n", line_prefix, path); @@ -365,30 +352,163 @@ void show_submodule_summary(FILE *f, const char *path, fprintf(f, "%sSubmodule %s contains modified content\n", line_prefix, path); - if (!hashcmp(one, two)) { + if (is_null_oid(one)) + message = "(new submodule)"; + else if (is_null_oid(two)) + message = "(submodule deleted)"; + + if (add_submodule_odb(path)) { + if (!message) + message = "(not initialized)"; + goto output_header; + } + + /* + * Attempt to lookup the commit references, and determine if this is + * a fast forward or fast backwards update. + */ + *left = lookup_commit_reference(one->hash); + *right = lookup_commit_reference(two->hash); + + /* + * Warn about missing commits in the submodule project, but only if + * they aren't null. + */ + if ((!is_null_oid(one) && !*left) || + (!is_null_oid(two) && !*right)) + message = "(commits not present)"; + + *merge_bases = get_merge_bases(*left, *right); + if (*merge_bases) { + if ((*merge_bases)->item == *left) + fast_forward = 1; + else if ((*merge_bases)->item == *right) + fast_backward = 1; + } + + if (!oidcmp(one, two)) { strbuf_release(&sb); return; } +output_header: strbuf_addf(&sb, "%s%sSubmodule %s %s..", line_prefix, meta, path, - find_unique_abbrev(one, DEFAULT_ABBREV)); + find_unique_abbrev(one->hash, DEFAULT_ABBREV)); if (!fast_backward && !fast_forward) strbuf_addch(&sb, '.'); - strbuf_addf(&sb, "%s", find_unique_abbrev(two, DEFAULT_ABBREV)); + strbuf_addf(&sb, "%s", find_unique_abbrev(two->hash, DEFAULT_ABBREV)); if (message) strbuf_addf(&sb, " %s%s\n", message, reset); else strbuf_addf(&sb, "%s:%s\n", fast_backward ? " (rewind)" : "", reset); fwrite(sb.buf, sb.len, 1, f); - if (!message) /* only NULL if we succeeded in setting up the walk */ - print_submodule_summary(&rev, f, line_prefix, del, add, reset); + strbuf_release(&sb); +} + +void show_submodule_summary(FILE *f, const char *path, + const char *line_prefix, + struct object_id *one, struct object_id *two, + unsigned dirty_submodule, const char *meta, + const char *del, const char *add, const char *reset) +{ + struct rev_info rev; + struct commit *left = NULL, *right = NULL; + struct commit_list *merge_bases = NULL; + + show_submodule_header(f, path, line_prefix, one, two, dirty_submodule, + meta, reset, &left, &right, &merge_bases); + + /* + * If we don't have both a left and a right pointer, there is no + * reason to try and display a summary. The header line should contain + * all the information the user needs. + */ + if (!left || !right) + goto out; + + /* Treat revision walker failure the same as missing commits */ + if (prepare_submodule_summary(&rev, path, left, right, merge_bases)) { + fprintf(f, "%s(revision walker failed)\n", line_prefix); + goto out; + } + + print_submodule_summary(&rev, f, line_prefix, del, add, reset); + +out: + if (merge_bases) + free_commit_list(merge_bases); + clear_commit_marks(left, ~0); + clear_commit_marks(right, ~0); +} + +void show_submodule_inline_diff(FILE *f, const char *path, + const char *line_prefix, + struct object_id *one, struct object_id *two, + unsigned dirty_submodule, const char *meta, + const char *del, const char *add, const char *reset, + const struct diff_options *o) +{ + const struct object_id *old = &empty_tree_oid, *new = &empty_tree_oid; + struct commit *left = NULL, *right = NULL; + struct commit_list *merge_bases = NULL; + struct strbuf submodule_dir = STRBUF_INIT; + struct child_process cp = CHILD_PROCESS_INIT; + + show_submodule_header(f, path, line_prefix, one, two, dirty_submodule, + meta, reset, &left, &right, &merge_bases); + + /* We need a valid left and right commit to display a difference */ + if (!(left || is_null_oid(one)) || + !(right || is_null_oid(two))) + goto done; + + if (left) + old = one; + if (right) + new = two; + + fflush(f); + cp.git_cmd = 1; + cp.dir = path; + cp.out = dup(fileno(f)); + cp.no_stdin = 1; + + /* TODO: other options may need to be passed here. */ + argv_array_push(&cp.args, "diff"); + argv_array_pushf(&cp.args, "--line-prefix=%s", line_prefix); + if (DIFF_OPT_TST(o, REVERSE_DIFF)) { + argv_array_pushf(&cp.args, "--src-prefix=%s%s/", + o->b_prefix, path); + argv_array_pushf(&cp.args, "--dst-prefix=%s%s/", + o->a_prefix, path); + } else { + argv_array_pushf(&cp.args, "--src-prefix=%s%s/", + o->a_prefix, path); + argv_array_pushf(&cp.args, "--dst-prefix=%s%s/", + o->b_prefix, path); + } + argv_array_push(&cp.args, oid_to_hex(old)); + /* + * If the submodule has modified content, we will diff against the + * work tree, under the assumption that the user has asked for the + * diff format and wishes to actually see all differences even if they + * haven't yet been committed to the submodule yet. + */ + if (!(dirty_submodule & DIRTY_SUBMODULE_MODIFIED)) + argv_array_push(&cp.args, oid_to_hex(new)); + + if (run_command(&cp)) + fprintf(f, "(diff failed)\n"); + +done: + strbuf_release(&submodule_dir); + if (merge_bases) + free_commit_list(merge_bases); if (left) clear_commit_marks(left, ~0); if (right) clear_commit_marks(right, ~0); - - strbuf_release(&sb); } void set_config_fetch_recurse_submodules(int value) diff --git a/submodule.h b/submodule.h index 2af9390998..d9e197a948 100644 --- a/submodule.h +++ b/submodule.h @@ -43,9 +43,15 @@ const char *submodule_strategy_to_string(const struct submodule_update_strategy void handle_ignore_submodules_arg(struct diff_options *diffopt, const char *); void show_submodule_summary(FILE *f, const char *path, const char *line_prefix, - unsigned char one[20], unsigned char two[20], + struct object_id *one, struct object_id *two, unsigned dirty_submodule, const char *meta, const char *del, const char *add, const char *reset); +void show_submodule_inline_diff(FILE *f, const char *path, + const char *line_prefix, + struct object_id *one, struct object_id *two, + unsigned dirty_submodule, const char *meta, + const char *del, const char *add, const char *reset, + const struct diff_options *opt); void set_config_fetch_recurse_submodules(int value); void check_for_new_submodule_commits(unsigned char new_sha1[20]); int fetch_populated_submodules(const struct argv_array *options, diff --git a/t/helper/test-dump-split-index.c b/t/helper/test-dump-split-index.c index d1689248b4..e44430b699 100644 --- a/t/helper/test-dump-split-index.c +++ b/t/helper/test-dump-split-index.c @@ -23,7 +23,7 @@ int cmd_main(int ac, const char **av) for (i = 0; i < the_index.cache_nr; i++) { struct cache_entry *ce = the_index.cache[i]; printf("%06o %s %d\t%s\n", ce->ce_mode, - sha1_to_hex(ce->sha1), ce_stage(ce), ce->name); + oid_to_hex(&ce->oid), ce_stage(ce), ce->name); } printf("replacements:"); if (si->replace_bitmap) diff --git a/t/perf/p0003-delta-base-cache.sh b/t/perf/p0003-delta-base-cache.sh new file mode 100755 index 0000000000..62369eaaf0 --- /dev/null +++ b/t/perf/p0003-delta-base-cache.sh @@ -0,0 +1,31 @@ +#!/bin/sh + +test_description='Test operations that emphasize the delta base cache. + +We look at both "log --raw", which should put only trees into the delta cache, +and "log -Sfoo --raw", which should look at both trees and blobs. + +Any effects will be emphasized if the test repository is fully packed (loose +objects obviously do not use the delta base cache at all). It is also +emphasized if the pack has long delta chains (e.g., as produced by "gc +--aggressive"), though cache is still quite noticeable even with the default +depth of 50. + +The setting of core.deltaBaseCacheLimit in the source repository is also +relevant (depending on the size of your test repo), so be sure it is consistent +between runs. +' +. ./perf-lib.sh + +test_perf_large_repo + +# puts mostly trees into the delta base cache +test_perf 'log --raw' ' + git log --raw >/dev/null +' + +test_perf 'log -S' ' + git log --raw -Sfoo >/dev/null +' + +test_done diff --git a/t/t0012-help.sh b/t/t0012-help.sh new file mode 100755 index 0000000000..8faba2e8bc --- /dev/null +++ b/t/t0012-help.sh @@ -0,0 +1,52 @@ +#!/bin/sh + +test_description='help' + +. ./test-lib.sh + +configure_help () { + test_config help.format html && + + # Unless the path has "://" in it, Git tries to make sure + # the documentation directory locally exists. Avoid it as + # we are only interested in seeing an attempt to correctly + # invoke a help browser in this test. + test_config help.htmlpath test://html && + + # Name a custom browser + test_config browser.test.cmd ./test-browser && + test_config help.browser test +} + +test_expect_success "setup" ' + # Just write out which page gets requested + write_script test-browser <<-\EOF + echo "$*" >test-browser.log + EOF +' + +test_expect_success "works for commands and guides by default" ' + configure_help && + git help status && + echo "test://html/git-status.html" >expect && + test_cmp expect test-browser.log && + git help revisions && + echo "test://html/gitrevisions.html" >expect && + test_cmp expect test-browser.log +' + +test_expect_success "--exclude-guides does not work for guides" ' + >test-browser.log && + test_must_fail git help --exclude-guides revisions && + test_must_be_empty test-browser.log +' + +test_expect_success "--help does not work for guides" " + cat <<-EOF >expect && + git: 'revisions' is not a git command. See 'git --help'. + EOF + test_must_fail git revisions --help 2>actual && + test_i18ncmp expect actual +" + +test_done diff --git a/t/t4012-diff-binary.sh b/t/t4012-diff-binary.sh index 643d729157..0a8af76aab 100755 --- a/t/t4012-diff-binary.sh +++ b/t/t4012-diff-binary.sh @@ -68,7 +68,7 @@ test_expect_success C_LOCALE_OUTPUT 'apply detecting corrupt patch correctly' ' sed -e "s/-CIT/xCIT/" <output >broken && test_must_fail git apply --stat --summary broken 2>detected && detected=$(cat detected) && - detected=$(expr "$detected" : "fatal.*at line \\([0-9]*\\)\$") && + detected=$(expr "$detected" : "error.*at line \\([0-9]*\\)\$") && detected=$(sed -ne "${detected}p" broken) && test "$detected" = xCIT ' @@ -77,7 +77,7 @@ test_expect_success C_LOCALE_OUTPUT 'apply detecting corrupt patch correctly' ' git diff --binary | sed -e "s/-CIT/xCIT/" >broken && test_must_fail git apply --stat --summary broken 2>detected && detected=$(cat detected) && - detected=$(expr "$detected" : "fatal.*at line \\([0-9]*\\)\$") && + detected=$(expr "$detected" : "error.*at line \\([0-9]*\\)\$") && detected=$(sed -ne "${detected}p" broken) && test "$detected" = xCIT ' diff --git a/t/t4013-diff-various.sh b/t/t4013-diff-various.sh index 94ef5000e7..566817e2ef 100755 --- a/t/t4013-diff-various.sh +++ b/t/t4013-diff-various.sh @@ -306,6 +306,8 @@ diff --no-index --name-status dir2 dir diff --no-index --name-status -- dir2 dir diff --no-index dir dir3 diff master master^ side +# Can't use spaces... +diff --line-prefix=abc master master^ side diff --dirstat master~1 master~2 diff --dirstat initial rearrange diff --dirstat-by-file initial rearrange @@ -325,6 +327,10 @@ test_expect_success 'diff --cached -- file on unborn branch' ' git diff --cached -- file0 >result && test_cmp "$TEST_DIRECTORY/t4013/diff.diff_--cached_--_file0" result ' +test_expect_success 'diff --line-prefix with spaces' ' + git diff --line-prefix="| | | " --cached -- file0 >result && + test_cmp "$TEST_DIRECTORY/t4013/diff.diff_--line-prefix_--cached_--_file0" result +' test_expect_success 'diff-tree --stdin with log formatting' ' cat >expect <<-\EOF && diff --git a/t/t4013/diff.diff_--line-prefix=abc_master_master^_side b/t/t4013/diff.diff_--line-prefix=abc_master_master^_side new file mode 100644 index 0000000000..99f91e7f0e --- /dev/null +++ b/t/t4013/diff.diff_--line-prefix=abc_master_master^_side @@ -0,0 +1,29 @@ +$ git diff --line-prefix=abc master master^ side +abcdiff --cc dir/sub +abcindex cead32e,7289e35..992913c +abc--- a/dir/sub +abc+++ b/dir/sub +abc@@@ -1,6 -1,4 +1,8 @@@ +abc A +abc B +abc +C +abc +D +abc +E +abc +F +abc+ 1 +abc+ 2 +abcdiff --cc file0 +abcindex b414108,f4615da..10a8a9f +abc--- a/file0 +abc+++ b/file0 +abc@@@ -1,6 -1,6 +1,9 @@@ +abc 1 +abc 2 +abc 3 +abc +4 +abc +5 +abc +6 +abc+ A +abc+ B +abc+ C +$ diff --git a/t/t4013/diff.diff_--line-prefix_--cached_--_file0 b/t/t4013/diff.diff_--line-prefix_--cached_--_file0 new file mode 100644 index 0000000000..f41ba4d36a --- /dev/null +++ b/t/t4013/diff.diff_--line-prefix_--cached_--_file0 @@ -0,0 +1,15 @@ +| | | diff --git a/file0 b/file0 +| | | new file mode 100644 +| | | index 0000000..10a8a9f +| | | --- /dev/null +| | | +++ b/file0 +| | | @@ -0,0 +1,9 @@ +| | | +1 +| | | +2 +| | | +3 +| | | +4 +| | | +5 +| | | +6 +| | | +A +| | | +B +| | | +C diff --git a/t/t4021-format-patch-numbered.sh b/t/t4021-format-patch-numbered.sh index 886494b58f..9be65fd444 100755 --- a/t/t4021-format-patch-numbered.sh +++ b/t/t4021-format-patch-numbered.sh @@ -36,6 +36,11 @@ test_no_numbered() { test_num_no_numbered $1 2 } +test_single_cover_letter_numbered() { + grep "^Subject: \[PATCH 0/1\]" $1 && + grep "^Subject: \[PATCH 1/1\]" $1 +} + test_single_numbered() { grep "^Subject: \[PATCH 1/1\]" $1 } @@ -121,4 +126,16 @@ test_expect_success '--start-number && --numbered' ' grep "^Subject: \[PATCH 3/3\]" patch8 ' +test_expect_success 'single patch with cover-letter defaults to numbers' ' + git format-patch --cover-letter --stdout HEAD~1 >patch9.single && + test_single_cover_letter_numbered patch9.single +' + +test_expect_success 'Use --no-numbered and --cover-letter single patch' ' + git format-patch --no-numbered --stdout --cover-letter HEAD~1 >patch10 && + test_no_numbered patch10 +' + + + test_done diff --git a/t/t4059-diff-submodule-not-initialized.sh b/t/t4059-diff-submodule-not-initialized.sh new file mode 100755 index 0000000000..cd70fd5192 --- /dev/null +++ b/t/t4059-diff-submodule-not-initialized.sh @@ -0,0 +1,127 @@ +#!/bin/sh +# +# Copyright (c) 2016 Jacob Keller, based on t4041 by Jens Lehmann +# + +test_description='Test for submodule diff on non-checked out submodule + +This test tries to verify that add_submodule_odb works when the submodule was +initialized previously but the checkout has since been removed. +' + +. ./test-lib.sh + +# Tested non-UTF-8 encoding +test_encoding="ISO8859-1" + +# String "added" in German (translated with Google Translate), encoded in UTF-8, +# used in sample commit log messages in add_file() function below. +added=$(printf "hinzugef\303\274gt") + +add_file () { + ( + cd "$1" && + shift && + for name + do + echo "$name" >"$name" && + git add "$name" && + test_tick && + # "git commit -m" would break MinGW, as Windows refuse to pass + # $test_encoding encoded parameter to git. + echo "Add $name ($added $name)" | iconv -f utf-8 -t $test_encoding | + git -c "i18n.commitEncoding=$test_encoding" commit -F - + done >/dev/null && + git rev-parse --short --verify HEAD + ) +} + +commit_file () { + test_tick && + git commit "$@" -m "Commit $*" >/dev/null +} + +test_expect_success 'setup - submodules' ' + test_create_repo sm2 && + add_file . foo && + add_file sm2 foo1 foo2 && + smhead1=$(git -C sm2 rev-parse --short --verify HEAD) +' + +test_expect_success 'setup - git submodule add' ' + git submodule add ./sm2 sm1 && + commit_file sm1 .gitmodules && + git diff-tree -p --no-commit-id --submodule=log HEAD -- sm1 >actual && + cat >expected <<-EOF && + Submodule sm1 0000000...$smhead1 (new submodule) + EOF + test_cmp expected actual +' + +test_expect_success 'submodule directory removed' ' + rm -rf sm1 && + git diff-tree -p --no-commit-id --submodule=log HEAD -- sm1 >actual && + cat >expected <<-EOF && + Submodule sm1 0000000...$smhead1 (new submodule) + EOF + test_cmp expected actual +' + +test_expect_success 'setup - submodule multiple commits' ' + git submodule update --checkout sm1 && + smhead2=$(add_file sm1 foo3 foo4) && + commit_file sm1 && + git diff-tree -p --no-commit-id --submodule=log HEAD >actual && + cat >expected <<-EOF && + Submodule sm1 $smhead1..$smhead2: + > Add foo4 ($added foo4) + > Add foo3 ($added foo3) + EOF + test_cmp expected actual +' + +test_expect_success 'submodule removed multiple commits' ' + rm -rf sm1 && + git diff-tree -p --no-commit-id --submodule=log HEAD >actual && + cat >expected <<-EOF && + Submodule sm1 $smhead1..$smhead2: + > Add foo4 ($added foo4) + > Add foo3 ($added foo3) + EOF + test_cmp expected actual +' + +test_expect_success 'submodule not initialized in new clone' ' + git clone . sm3 && + git -C sm3 diff-tree -p --no-commit-id --submodule=log HEAD >actual && + cat >expected <<-EOF && + Submodule sm1 $smhead1...$smhead2 (not initialized) + EOF + test_cmp expected actual +' + +test_expect_success 'setup submodule moved' ' + git submodule update --checkout sm1 && + git mv sm1 sm4 && + commit_file sm4 && + git diff-tree -p --no-commit-id --submodule=log HEAD >actual && + cat >expected <<-EOF && + Submodule sm4 0000000...$smhead2 (new submodule) + EOF + test_cmp expected actual +' + +test_expect_success 'submodule moved then removed' ' + smhead3=$(add_file sm4 foo6 foo7) && + commit_file sm4 && + rm -rf sm4 && + git diff-tree -p --no-commit-id --submodule=log HEAD >actual && + cat >expected <<-EOF && + Submodule sm4 $smhead2..$smhead3: + > Add foo7 ($added foo7) + > Add foo6 ($added foo6) + EOF + test_cmp expected actual +' + +test_done diff --git a/t/t4060-diff-submodule-option-diff-format.sh b/t/t4060-diff-submodule-option-diff-format.sh new file mode 100755 index 0000000000..7e23b55ea4 --- /dev/null +++ b/t/t4060-diff-submodule-option-diff-format.sh @@ -0,0 +1,749 @@ +#!/bin/sh +# +# Copyright (c) 2009 Jens Lehmann, based on t7401 by Ping Yin +# Copyright (c) 2011 Alexey Shumkin (+ non-UTF-8 commit encoding tests) +# Copyright (c) 2016 Jacob Keller (copy + convert to --submodule=diff) +# + +test_description='Support for diff format verbose submodule difference in git diff + +This test tries to verify the sanity of --submodule=diff option of git diff. +' + +. ./test-lib.sh + +# Tested non-UTF-8 encoding +test_encoding="ISO8859-1" + +# String "added" in German (translated with Google Translate), encoded in UTF-8, +# used in sample commit log messages in add_file() function below. +added=$(printf "hinzugef\303\274gt") + +add_file () { + ( + cd "$1" && + shift && + for name + do + echo "$name" >"$name" && + git add "$name" && + test_tick && + # "git commit -m" would break MinGW, as Windows refuse to pass + # $test_encoding encoded parameter to git. + echo "Add $name ($added $name)" | iconv -f utf-8 -t $test_encoding | + git -c "i18n.commitEncoding=$test_encoding" commit -F - + done >/dev/null && + git rev-parse --short --verify HEAD + ) +} + +commit_file () { + test_tick && + git commit "$@" -m "Commit $*" >/dev/null +} + +test_expect_success 'setup repository' ' + test_create_repo sm1 && + add_file . foo && + head1=$(add_file sm1 foo1 foo2) && + fullhead1=$(git -C sm1 rev-parse --verify HEAD) +' + +test_expect_success 'added submodule' ' + git add sm1 && + git diff-index -p --submodule=diff HEAD >actual && + cat >expected <<-EOF && + Submodule sm1 0000000...$head1 (new submodule) + diff --git a/sm1/foo1 b/sm1/foo1 + new file mode 100644 + index 0000000..1715acd + --- /dev/null + +++ b/sm1/foo1 + @@ -0,0 +1 @@ + +foo1 + diff --git a/sm1/foo2 b/sm1/foo2 + new file mode 100644 + index 0000000..54b060e + --- /dev/null + +++ b/sm1/foo2 + @@ -0,0 +1 @@ + +foo2 + EOF + test_cmp expected actual +' + +test_expect_success 'added submodule, set diff.submodule' ' + test_config diff.submodule log && + git add sm1 && + git diff-index -p --submodule=diff HEAD >actual && + cat >expected <<-EOF && + Submodule sm1 0000000...$head1 (new submodule) + diff --git a/sm1/foo1 b/sm1/foo1 + new file mode 100644 + index 0000000..1715acd + --- /dev/null + +++ b/sm1/foo1 + @@ -0,0 +1 @@ + +foo1 + diff --git a/sm1/foo2 b/sm1/foo2 + new file mode 100644 + index 0000000..54b060e + --- /dev/null + +++ b/sm1/foo2 + @@ -0,0 +1 @@ + +foo2 + EOF + test_cmp expected actual +' + +test_expect_success '--submodule=short overrides diff.submodule' ' + test_config diff.submodule log && + git add sm1 && + git diff --submodule=short --cached >actual && + cat >expected <<-EOF && + diff --git a/sm1 b/sm1 + new file mode 160000 + index 0000000..$head1 + --- /dev/null + +++ b/sm1 + @@ -0,0 +1 @@ + +Subproject commit $fullhead1 + EOF + test_cmp expected actual +' + +test_expect_success 'diff.submodule does not affect plumbing' ' + test_config diff.submodule log && + git diff-index -p HEAD >actual && + cat >expected <<-EOF && + diff --git a/sm1 b/sm1 + new file mode 160000 + index 0000000..$head1 + --- /dev/null + +++ b/sm1 + @@ -0,0 +1 @@ + +Subproject commit $fullhead1 + EOF + test_cmp expected actual +' + +commit_file sm1 && +head2=$(add_file sm1 foo3) + +test_expect_success 'modified submodule(forward)' ' + git diff-index -p --submodule=diff HEAD >actual && + cat >expected <<-EOF && + Submodule sm1 $head1..$head2: + diff --git a/sm1/foo3 b/sm1/foo3 + new file mode 100644 + index 0000000..c1ec6c6 + --- /dev/null + +++ b/sm1/foo3 + @@ -0,0 +1 @@ + +foo3 + EOF + test_cmp expected actual +' + +test_expect_success 'modified submodule(forward)' ' + git diff --submodule=diff >actual && + cat >expected <<-EOF && + Submodule sm1 $head1..$head2: + diff --git a/sm1/foo3 b/sm1/foo3 + new file mode 100644 + index 0000000..c1ec6c6 + --- /dev/null + +++ b/sm1/foo3 + @@ -0,0 +1 @@ + +foo3 + EOF + test_cmp expected actual +' + +test_expect_success 'modified submodule(forward) --submodule' ' + git diff --submodule >actual && + cat >expected <<-EOF && + Submodule sm1 $head1..$head2: + > Add foo3 ($added foo3) + EOF + test_cmp expected actual +' + +fullhead2=$(cd sm1; git rev-parse --verify HEAD) +test_expect_success 'modified submodule(forward) --submodule=short' ' + git diff --submodule=short >actual && + cat >expected <<-EOF && + diff --git a/sm1 b/sm1 + index $head1..$head2 160000 + --- a/sm1 + +++ b/sm1 + @@ -1 +1 @@ + -Subproject commit $fullhead1 + +Subproject commit $fullhead2 + EOF + test_cmp expected actual +' + +commit_file sm1 && +head3=$( + cd sm1 && + git reset --hard HEAD~2 >/dev/null && + git rev-parse --short --verify HEAD +) + +test_expect_success 'modified submodule(backward)' ' + git diff-index -p --submodule=diff HEAD >actual && + cat >expected <<-EOF && + Submodule sm1 $head2..$head3 (rewind): + diff --git a/sm1/foo2 b/sm1/foo2 + deleted file mode 100644 + index 54b060e..0000000 + --- a/sm1/foo2 + +++ /dev/null + @@ -1 +0,0 @@ + -foo2 + diff --git a/sm1/foo3 b/sm1/foo3 + deleted file mode 100644 + index c1ec6c6..0000000 + --- a/sm1/foo3 + +++ /dev/null + @@ -1 +0,0 @@ + -foo3 + EOF + test_cmp expected actual +' + +head4=$(add_file sm1 foo4 foo5) +test_expect_success 'modified submodule(backward and forward)' ' + git diff-index -p --submodule=diff HEAD >actual && + cat >expected <<-EOF && + Submodule sm1 $head2...$head4: + diff --git a/sm1/foo2 b/sm1/foo2 + deleted file mode 100644 + index 54b060e..0000000 + --- a/sm1/foo2 + +++ /dev/null + @@ -1 +0,0 @@ + -foo2 + diff --git a/sm1/foo3 b/sm1/foo3 + deleted file mode 100644 + index c1ec6c6..0000000 + --- a/sm1/foo3 + +++ /dev/null + @@ -1 +0,0 @@ + -foo3 + diff --git a/sm1/foo4 b/sm1/foo4 + new file mode 100644 + index 0000000..a0016db + --- /dev/null + +++ b/sm1/foo4 + @@ -0,0 +1 @@ + +foo4 + diff --git a/sm1/foo5 b/sm1/foo5 + new file mode 100644 + index 0000000..d6f2413 + --- /dev/null + +++ b/sm1/foo5 + @@ -0,0 +1 @@ + +foo5 + EOF + test_cmp expected actual +' + +commit_file sm1 && +mv sm1 sm1-bak && +echo sm1 >sm1 && +head5=$(git hash-object sm1 | cut -c1-7) && +git add sm1 && +rm -f sm1 && +mv sm1-bak sm1 + +test_expect_success 'typechanged submodule(submodule->blob), --cached' ' + git diff --submodule=diff --cached >actual && + cat >expected <<-EOF && + Submodule sm1 $head4...0000000 (submodule deleted) + diff --git a/sm1/foo1 b/sm1/foo1 + deleted file mode 100644 + index 1715acd..0000000 + --- a/sm1/foo1 + +++ /dev/null + @@ -1 +0,0 @@ + -foo1 + diff --git a/sm1/foo4 b/sm1/foo4 + deleted file mode 100644 + index a0016db..0000000 + --- a/sm1/foo4 + +++ /dev/null + @@ -1 +0,0 @@ + -foo4 + diff --git a/sm1/foo5 b/sm1/foo5 + deleted file mode 100644 + index d6f2413..0000000 + --- a/sm1/foo5 + +++ /dev/null + @@ -1 +0,0 @@ + -foo5 + diff --git a/sm1 b/sm1 + new file mode 100644 + index 0000000..9da5fb8 + --- /dev/null + +++ b/sm1 + @@ -0,0 +1 @@ + +sm1 + EOF + test_cmp expected actual +' + +test_expect_success 'typechanged submodule(submodule->blob)' ' + git diff --submodule=diff >actual && + cat >expected <<-EOF && + diff --git a/sm1 b/sm1 + deleted file mode 100644 + index 9da5fb8..0000000 + --- a/sm1 + +++ /dev/null + @@ -1 +0,0 @@ + -sm1 + Submodule sm1 0000000...$head4 (new submodule) + diff --git a/sm1/foo1 b/sm1/foo1 + new file mode 100644 + index 0000000..1715acd + --- /dev/null + +++ b/sm1/foo1 + @@ -0,0 +1 @@ + +foo1 + diff --git a/sm1/foo4 b/sm1/foo4 + new file mode 100644 + index 0000000..a0016db + --- /dev/null + +++ b/sm1/foo4 + @@ -0,0 +1 @@ + +foo4 + diff --git a/sm1/foo5 b/sm1/foo5 + new file mode 100644 + index 0000000..d6f2413 + --- /dev/null + +++ b/sm1/foo5 + @@ -0,0 +1 @@ + +foo5 + EOF + test_cmp expected actual +' + +rm -rf sm1 && +git checkout-index sm1 +test_expect_success 'typechanged submodule(submodule->blob)' ' + git diff-index -p --submodule=diff HEAD >actual && + cat >expected <<-EOF && + Submodule sm1 $head4...0000000 (submodule deleted) + diff --git a/sm1 b/sm1 + new file mode 100644 + index 0000000..9da5fb8 + --- /dev/null + +++ b/sm1 + @@ -0,0 +1 @@ + +sm1 + EOF + test_cmp expected actual +' + +rm -f sm1 && +test_create_repo sm1 && +head6=$(add_file sm1 foo6 foo7) +fullhead6=$(cd sm1; git rev-parse --verify HEAD) +test_expect_success 'nonexistent commit' ' + git diff-index -p --submodule=diff HEAD >actual && + cat >expected <<-EOF && + Submodule sm1 $head4...$head6 (commits not present) + EOF + test_cmp expected actual +' + +commit_file +test_expect_success 'typechanged submodule(blob->submodule)' ' + git diff-index -p --submodule=diff HEAD >actual && + cat >expected <<-EOF && + diff --git a/sm1 b/sm1 + deleted file mode 100644 + index 9da5fb8..0000000 + --- a/sm1 + +++ /dev/null + @@ -1 +0,0 @@ + -sm1 + Submodule sm1 0000000...$head6 (new submodule) + diff --git a/sm1/foo6 b/sm1/foo6 + new file mode 100644 + index 0000000..462398b + --- /dev/null + +++ b/sm1/foo6 + @@ -0,0 +1 @@ + +foo6 + diff --git a/sm1/foo7 b/sm1/foo7 + new file mode 100644 + index 0000000..6e9262c + --- /dev/null + +++ b/sm1/foo7 + @@ -0,0 +1 @@ + +foo7 + EOF + test_cmp expected actual +' + +commit_file sm1 && +test_expect_success 'submodule is up to date' ' + git diff-index -p --submodule=diff HEAD >actual && + cat >expected <<-EOF && + EOF + test_cmp expected actual +' + +test_expect_success 'submodule contains untracked content' ' + echo new > sm1/new-file && + git diff-index -p --submodule=diff HEAD >actual && + cat >expected <<-EOF && + Submodule sm1 contains untracked content + EOF + test_cmp expected actual +' + +test_expect_success 'submodule contains untracked content (untracked ignored)' ' + git diff-index -p --ignore-submodules=untracked --submodule=diff HEAD >actual && + ! test -s actual +' + +test_expect_success 'submodule contains untracked content (dirty ignored)' ' + git diff-index -p --ignore-submodules=dirty --submodule=diff HEAD >actual && + ! test -s actual +' + +test_expect_success 'submodule contains untracked content (all ignored)' ' + git diff-index -p --ignore-submodules=all --submodule=diff HEAD >actual && + ! test -s actual +' + +test_expect_success 'submodule contains untracked and modified content' ' + echo new > sm1/foo6 && + git diff-index -p --submodule=diff HEAD >actual && + cat >expected <<-EOF && + Submodule sm1 contains untracked content + Submodule sm1 contains modified content + diff --git a/sm1/foo6 b/sm1/foo6 + index 462398b..3e75765 100644 + --- a/sm1/foo6 + +++ b/sm1/foo6 + @@ -1 +1 @@ + -foo6 + +new + EOF + test_cmp expected actual +' + +# NOT OK +test_expect_success 'submodule contains untracked and modified content (untracked ignored)' ' + echo new > sm1/foo6 && + git diff-index -p --ignore-submodules=untracked --submodule=diff HEAD >actual && + cat >expected <<-EOF && + Submodule sm1 contains modified content + diff --git a/sm1/foo6 b/sm1/foo6 + index 462398b..3e75765 100644 + --- a/sm1/foo6 + +++ b/sm1/foo6 + @@ -1 +1 @@ + -foo6 + +new + EOF + test_cmp expected actual +' + +test_expect_success 'submodule contains untracked and modified content (dirty ignored)' ' + echo new > sm1/foo6 && + git diff-index -p --ignore-submodules=dirty --submodule=diff HEAD >actual && + ! test -s actual +' + +test_expect_success 'submodule contains untracked and modified content (all ignored)' ' + echo new > sm1/foo6 && + git diff-index -p --ignore-submodules --submodule=diff HEAD >actual && + ! test -s actual +' + +test_expect_success 'submodule contains modified content' ' + rm -f sm1/new-file && + git diff-index -p --submodule=diff HEAD >actual && + cat >expected <<-EOF && + Submodule sm1 contains modified content + diff --git a/sm1/foo6 b/sm1/foo6 + index 462398b..3e75765 100644 + --- a/sm1/foo6 + +++ b/sm1/foo6 + @@ -1 +1 @@ + -foo6 + +new + EOF + test_cmp expected actual +' + +(cd sm1; git commit -mchange foo6 >/dev/null) && +head8=$(cd sm1; git rev-parse --short --verify HEAD) && +test_expect_success 'submodule is modified' ' + git diff-index -p --submodule=diff HEAD >actual && + cat >expected <<-EOF && + Submodule sm1 17243c9..$head8: + diff --git a/sm1/foo6 b/sm1/foo6 + index 462398b..3e75765 100644 + --- a/sm1/foo6 + +++ b/sm1/foo6 + @@ -1 +1 @@ + -foo6 + +new + EOF + test_cmp expected actual +' + +test_expect_success 'modified submodule contains untracked content' ' + echo new > sm1/new-file && + git diff-index -p --submodule=diff HEAD >actual && + cat >expected <<-EOF && + Submodule sm1 contains untracked content + Submodule sm1 17243c9..$head8: + diff --git a/sm1/foo6 b/sm1/foo6 + index 462398b..3e75765 100644 + --- a/sm1/foo6 + +++ b/sm1/foo6 + @@ -1 +1 @@ + -foo6 + +new + EOF + test_cmp expected actual +' + +test_expect_success 'modified submodule contains untracked content (untracked ignored)' ' + git diff-index -p --ignore-submodules=untracked --submodule=diff HEAD >actual && + cat >expected <<-EOF && + Submodule sm1 17243c9..$head8: + diff --git a/sm1/foo6 b/sm1/foo6 + index 462398b..3e75765 100644 + --- a/sm1/foo6 + +++ b/sm1/foo6 + @@ -1 +1 @@ + -foo6 + +new + EOF + test_cmp expected actual +' + +test_expect_success 'modified submodule contains untracked content (dirty ignored)' ' + git diff-index -p --ignore-submodules=dirty --submodule=diff HEAD >actual && + cat >expected <<-EOF && + Submodule sm1 17243c9..cfce562: + diff --git a/sm1/foo6 b/sm1/foo6 + index 462398b..3e75765 100644 + --- a/sm1/foo6 + +++ b/sm1/foo6 + @@ -1 +1 @@ + -foo6 + +new + EOF + test_cmp expected actual +' + +test_expect_success 'modified submodule contains untracked content (all ignored)' ' + git diff-index -p --ignore-submodules=all --submodule=diff HEAD >actual && + ! test -s actual +' + +test_expect_success 'modified submodule contains untracked and modified content' ' + echo modification >> sm1/foo6 && + git diff-index -p --submodule=diff HEAD >actual && + cat >expected <<-EOF && + Submodule sm1 contains untracked content + Submodule sm1 contains modified content + Submodule sm1 17243c9..cfce562: + diff --git a/sm1/foo6 b/sm1/foo6 + index 462398b..dfda541 100644 + --- a/sm1/foo6 + +++ b/sm1/foo6 + @@ -1 +1,2 @@ + -foo6 + +new + +modification + EOF + test_cmp expected actual +' + +test_expect_success 'modified submodule contains untracked and modified content (untracked ignored)' ' + echo modification >> sm1/foo6 && + git diff-index -p --ignore-submodules=untracked --submodule=diff HEAD >actual && + cat >expected <<-EOF && + Submodule sm1 contains modified content + Submodule sm1 17243c9..cfce562: + diff --git a/sm1/foo6 b/sm1/foo6 + index 462398b..e20e2d9 100644 + --- a/sm1/foo6 + +++ b/sm1/foo6 + @@ -1 +1,3 @@ + -foo6 + +new + +modification + +modification + EOF + test_cmp expected actual +' + +test_expect_success 'modified submodule contains untracked and modified content (dirty ignored)' ' + echo modification >> sm1/foo6 && + git diff-index -p --ignore-submodules=dirty --submodule=diff HEAD >actual && + cat >expected <<-EOF && + Submodule sm1 17243c9..cfce562: + diff --git a/sm1/foo6 b/sm1/foo6 + index 462398b..3e75765 100644 + --- a/sm1/foo6 + +++ b/sm1/foo6 + @@ -1 +1 @@ + -foo6 + +new + EOF + test_cmp expected actual +' + +test_expect_success 'modified submodule contains untracked and modified content (all ignored)' ' + echo modification >> sm1/foo6 && + git diff-index -p --ignore-submodules --submodule=diff HEAD >actual && + ! test -s actual +' + +# NOT OK +test_expect_success 'modified submodule contains modified content' ' + rm -f sm1/new-file && + git diff-index -p --submodule=diff HEAD >actual && + cat >expected <<-EOF && + Submodule sm1 contains modified content + Submodule sm1 17243c9..cfce562: + diff --git a/sm1/foo6 b/sm1/foo6 + index 462398b..ac466ca 100644 + --- a/sm1/foo6 + +++ b/sm1/foo6 + @@ -1 +1,5 @@ + -foo6 + +new + +modification + +modification + +modification + +modification + EOF + test_cmp expected actual +' + +rm -rf sm1 +test_expect_success 'deleted submodule' ' + git diff-index -p --submodule=diff HEAD >actual && + cat >expected <<-EOF && + Submodule sm1 17243c9...0000000 (submodule deleted) + EOF + test_cmp expected actual +' + +test_create_repo sm2 && +head7=$(add_file sm2 foo8 foo9) && +git add sm2 + +test_expect_success 'multiple submodules' ' + git diff-index -p --submodule=diff HEAD >actual && + cat >expected <<-EOF && + Submodule sm1 17243c9...0000000 (submodule deleted) + Submodule sm2 0000000...a5a65c9 (new submodule) + diff --git a/sm2/foo8 b/sm2/foo8 + new file mode 100644 + index 0000000..db9916b + --- /dev/null + +++ b/sm2/foo8 + @@ -0,0 +1 @@ + +foo8 + diff --git a/sm2/foo9 b/sm2/foo9 + new file mode 100644 + index 0000000..9c3b4f6 + --- /dev/null + +++ b/sm2/foo9 + @@ -0,0 +1 @@ + +foo9 + EOF + test_cmp expected actual +' + +test_expect_success 'path filter' ' + git diff-index -p --submodule=diff HEAD sm2 >actual && + cat >expected <<-EOF && + Submodule sm2 0000000...a5a65c9 (new submodule) + diff --git a/sm2/foo8 b/sm2/foo8 + new file mode 100644 + index 0000000..db9916b + --- /dev/null + +++ b/sm2/foo8 + @@ -0,0 +1 @@ + +foo8 + diff --git a/sm2/foo9 b/sm2/foo9 + new file mode 100644 + index 0000000..9c3b4f6 + --- /dev/null + +++ b/sm2/foo9 + @@ -0,0 +1 @@ + +foo9 + EOF + test_cmp expected actual +' + +commit_file sm2 +test_expect_success 'given commit' ' + git diff-index -p --submodule=diff HEAD^ >actual && + cat >expected <<-EOF && + Submodule sm1 17243c9...0000000 (submodule deleted) + Submodule sm2 0000000...a5a65c9 (new submodule) + diff --git a/sm2/foo8 b/sm2/foo8 + new file mode 100644 + index 0000000..db9916b + --- /dev/null + +++ b/sm2/foo8 + @@ -0,0 +1 @@ + +foo8 + diff --git a/sm2/foo9 b/sm2/foo9 + new file mode 100644 + index 0000000..9c3b4f6 + --- /dev/null + +++ b/sm2/foo9 + @@ -0,0 +1 @@ + +foo9 + EOF + test_cmp expected actual +' + +test_expect_success 'setup .git file for sm2' ' + (cd sm2 && + REAL="$(pwd)/../.real" && + mv .git "$REAL" + echo "gitdir: $REAL" >.git) +' + +test_expect_success 'diff --submodule=diff with .git file' ' + git diff --submodule=diff HEAD^ >actual && + cat >expected <<-EOF && + Submodule sm1 17243c9...0000000 (submodule deleted) + Submodule sm2 0000000...a5a65c9 (new submodule) + diff --git a/sm2/foo8 b/sm2/foo8 + new file mode 100644 + index 0000000..db9916b + --- /dev/null + +++ b/sm2/foo8 + @@ -0,0 +1 @@ + +foo8 + diff --git a/sm2/foo9 b/sm2/foo9 + new file mode 100644 + index 0000000..9c3b4f6 + --- /dev/null + +++ b/sm2/foo9 + @@ -0,0 +1 @@ + +foo9 + EOF + test_cmp expected actual +' + +test_done diff --git a/t/t4202-log.sh b/t/t4202-log.sh index e2db47c36e..1ccbd5948a 100755 --- a/t/t4202-log.sh +++ b/t/t4202-log.sh @@ -188,6 +188,16 @@ test_expect_success 'git log --no-walk=sorted <commits> sorts by commit time' ' ' cat > expect << EOF +=== 804a787 sixth +=== 394ef78 fifth +=== 5d31159 fourth +EOF +test_expect_success 'git log --line-prefix="=== " --no-walk <commits> sorts by commit time' ' + git log --line-prefix="=== " --no-walk --oneline 5d31159 804a787 394ef78 > actual && + test_cmp expect actual +' + +cat > expect << EOF 5d31159 fourth 804a787 sixth 394ef78 fifth @@ -284,6 +294,21 @@ test_expect_success 'simple log --graph' ' test_cmp expect actual ' +cat > expect <<EOF +123 * Second +123 * sixth +123 * fifth +123 * fourth +123 * third +123 * second +123 * initial +EOF + +test_expect_success 'simple log --graph --line-prefix="123 "' ' + git log --graph --line-prefix="123 " --pretty=tformat:%s >actual && + test_cmp expect actual +' + test_expect_success 'set up merge history' ' git checkout -b side HEAD~4 && test_commit side-1 1 1 && @@ -313,6 +338,27 @@ test_expect_success 'log --graph with merge' ' test_cmp expect actual ' +cat > expect <<\EOF +| | | * Merge branch 'side' +| | | |\ +| | | | * side-2 +| | | | * side-1 +| | | * | Second +| | | * | sixth +| | | * | fifth +| | | * | fourth +| | | |/ +| | | * third +| | | * second +| | | * initial +EOF + +test_expect_success 'log --graph --line-prefix="| | | " with merge' ' + git log --line-prefix="| | | " --graph --date-order --pretty=tformat:%s | + sed "s/ *\$//" >actual && + test_cmp expect actual +' + test_expect_success 'log --raw --graph -m with merge' ' git log --raw --graph --oneline -m master | head -n 500 >actual && grep "initial" actual @@ -867,6 +913,283 @@ test_expect_success 'log --graph with diff and stats' ' test_i18ncmp expect actual.sanitized ' +cat >expect <<\EOF +*** * commit COMMIT_OBJECT_NAME +*** |\ Merge: MERGE_PARENTS +*** | | Author: A U Thor <author@example.com> +*** | | +*** | | Merge HEADS DESCRIPTION +*** | | +*** | * commit COMMIT_OBJECT_NAME +*** | | Author: A U Thor <author@example.com> +*** | | +*** | | reach +*** | | --- +*** | | reach.t | 1 + +*** | | 1 file changed, 1 insertion(+) +*** | | +*** | | diff --git a/reach.t b/reach.t +*** | | new file mode 100644 +*** | | index 0000000..10c9591 +*** | | --- /dev/null +*** | | +++ b/reach.t +*** | | @@ -0,0 +1 @@ +*** | | +reach +*** | | +*** | \ +*** *-. \ commit COMMIT_OBJECT_NAME +*** |\ \ \ Merge: MERGE_PARENTS +*** | | | | Author: A U Thor <author@example.com> +*** | | | | +*** | | | | Merge HEADS DESCRIPTION +*** | | | | +*** | | * | commit COMMIT_OBJECT_NAME +*** | | |/ Author: A U Thor <author@example.com> +*** | | | +*** | | | octopus-b +*** | | | --- +*** | | | octopus-b.t | 1 + +*** | | | 1 file changed, 1 insertion(+) +*** | | | +*** | | | diff --git a/octopus-b.t b/octopus-b.t +*** | | | new file mode 100644 +*** | | | index 0000000..d5fcad0 +*** | | | --- /dev/null +*** | | | +++ b/octopus-b.t +*** | | | @@ -0,0 +1 @@ +*** | | | +octopus-b +*** | | | +*** | * | commit COMMIT_OBJECT_NAME +*** | |/ Author: A U Thor <author@example.com> +*** | | +*** | | octopus-a +*** | | --- +*** | | octopus-a.t | 1 + +*** | | 1 file changed, 1 insertion(+) +*** | | +*** | | diff --git a/octopus-a.t b/octopus-a.t +*** | | new file mode 100644 +*** | | index 0000000..11ee015 +*** | | --- /dev/null +*** | | +++ b/octopus-a.t +*** | | @@ -0,0 +1 @@ +*** | | +octopus-a +*** | | +*** * | commit COMMIT_OBJECT_NAME +*** |/ Author: A U Thor <author@example.com> +*** | +*** | seventh +*** | --- +*** | seventh.t | 1 + +*** | 1 file changed, 1 insertion(+) +*** | +*** | diff --git a/seventh.t b/seventh.t +*** | new file mode 100644 +*** | index 0000000..9744ffc +*** | --- /dev/null +*** | +++ b/seventh.t +*** | @@ -0,0 +1 @@ +*** | +seventh +*** | +*** * commit COMMIT_OBJECT_NAME +*** |\ Merge: MERGE_PARENTS +*** | | Author: A U Thor <author@example.com> +*** | | +*** | | Merge branch 'tangle' +*** | | +*** | * commit COMMIT_OBJECT_NAME +*** | |\ Merge: MERGE_PARENTS +*** | | | Author: A U Thor <author@example.com> +*** | | | +*** | | | Merge branch 'side' (early part) into tangle +*** | | | +*** | * | commit COMMIT_OBJECT_NAME +*** | |\ \ Merge: MERGE_PARENTS +*** | | | | Author: A U Thor <author@example.com> +*** | | | | +*** | | | | Merge branch 'master' (early part) into tangle +*** | | | | +*** | * | | commit COMMIT_OBJECT_NAME +*** | | | | Author: A U Thor <author@example.com> +*** | | | | +*** | | | | tangle-a +*** | | | | --- +*** | | | | tangle-a | 1 + +*** | | | | 1 file changed, 1 insertion(+) +*** | | | | +*** | | | | diff --git a/tangle-a b/tangle-a +*** | | | | new file mode 100644 +*** | | | | index 0000000..7898192 +*** | | | | --- /dev/null +*** | | | | +++ b/tangle-a +*** | | | | @@ -0,0 +1 @@ +*** | | | | +a +*** | | | | +*** * | | | commit COMMIT_OBJECT_NAME +*** |\ \ \ \ Merge: MERGE_PARENTS +*** | | | | | Author: A U Thor <author@example.com> +*** | | | | | +*** | | | | | Merge branch 'side' +*** | | | | | +*** | * | | | commit COMMIT_OBJECT_NAME +*** | | |_|/ Author: A U Thor <author@example.com> +*** | |/| | +*** | | | | side-2 +*** | | | | --- +*** | | | | 2 | 1 + +*** | | | | 1 file changed, 1 insertion(+) +*** | | | | +*** | | | | diff --git a/2 b/2 +*** | | | | new file mode 100644 +*** | | | | index 0000000..0cfbf08 +*** | | | | --- /dev/null +*** | | | | +++ b/2 +*** | | | | @@ -0,0 +1 @@ +*** | | | | +2 +*** | | | | +*** | * | | commit COMMIT_OBJECT_NAME +*** | | | | Author: A U Thor <author@example.com> +*** | | | | +*** | | | | side-1 +*** | | | | --- +*** | | | | 1 | 1 + +*** | | | | 1 file changed, 1 insertion(+) +*** | | | | +*** | | | | diff --git a/1 b/1 +*** | | | | new file mode 100644 +*** | | | | index 0000000..d00491f +*** | | | | --- /dev/null +*** | | | | +++ b/1 +*** | | | | @@ -0,0 +1 @@ +*** | | | | +1 +*** | | | | +*** * | | | commit COMMIT_OBJECT_NAME +*** | | | | Author: A U Thor <author@example.com> +*** | | | | +*** | | | | Second +*** | | | | --- +*** | | | | one | 1 + +*** | | | | 1 file changed, 1 insertion(+) +*** | | | | +*** | | | | diff --git a/one b/one +*** | | | | new file mode 100644 +*** | | | | index 0000000..9a33383 +*** | | | | --- /dev/null +*** | | | | +++ b/one +*** | | | | @@ -0,0 +1 @@ +*** | | | | +case +*** | | | | +*** * | | | commit COMMIT_OBJECT_NAME +*** | |_|/ Author: A U Thor <author@example.com> +*** |/| | +*** | | | sixth +*** | | | --- +*** | | | a/two | 1 - +*** | | | 1 file changed, 1 deletion(-) +*** | | | +*** | | | diff --git a/a/two b/a/two +*** | | | deleted file mode 100644 +*** | | | index 9245af5..0000000 +*** | | | --- a/a/two +*** | | | +++ /dev/null +*** | | | @@ -1 +0,0 @@ +*** | | | -ni +*** | | | +*** * | | commit COMMIT_OBJECT_NAME +*** | | | Author: A U Thor <author@example.com> +*** | | | +*** | | | fifth +*** | | | --- +*** | | | a/two | 1 + +*** | | | 1 file changed, 1 insertion(+) +*** | | | +*** | | | diff --git a/a/two b/a/two +*** | | | new file mode 100644 +*** | | | index 0000000..9245af5 +*** | | | --- /dev/null +*** | | | +++ b/a/two +*** | | | @@ -0,0 +1 @@ +*** | | | +ni +*** | | | +*** * | | commit COMMIT_OBJECT_NAME +*** |/ / Author: A U Thor <author@example.com> +*** | | +*** | | fourth +*** | | --- +*** | | ein | 1 + +*** | | 1 file changed, 1 insertion(+) +*** | | +*** | | diff --git a/ein b/ein +*** | | new file mode 100644 +*** | | index 0000000..9d7e69f +*** | | --- /dev/null +*** | | +++ b/ein +*** | | @@ -0,0 +1 @@ +*** | | +ichi +*** | | +*** * | commit COMMIT_OBJECT_NAME +*** |/ Author: A U Thor <author@example.com> +*** | +*** | third +*** | --- +*** | ichi | 1 + +*** | one | 1 - +*** | 2 files changed, 1 insertion(+), 1 deletion(-) +*** | +*** | diff --git a/ichi b/ichi +*** | new file mode 100644 +*** | index 0000000..9d7e69f +*** | --- /dev/null +*** | +++ b/ichi +*** | @@ -0,0 +1 @@ +*** | +ichi +*** | diff --git a/one b/one +*** | deleted file mode 100644 +*** | index 9d7e69f..0000000 +*** | --- a/one +*** | +++ /dev/null +*** | @@ -1 +0,0 @@ +*** | -ichi +*** | +*** * commit COMMIT_OBJECT_NAME +*** | Author: A U Thor <author@example.com> +*** | +*** | second +*** | --- +*** | one | 2 +- +*** | 1 file changed, 1 insertion(+), 1 deletion(-) +*** | +*** | diff --git a/one b/one +*** | index 5626abf..9d7e69f 100644 +*** | --- a/one +*** | +++ b/one +*** | @@ -1 +1 @@ +*** | -one +*** | +ichi +*** | +*** * commit COMMIT_OBJECT_NAME +*** Author: A U Thor <author@example.com> +*** +*** initial +*** --- +*** one | 1 + +*** 1 file changed, 1 insertion(+) +*** +*** diff --git a/one b/one +*** new file mode 100644 +*** index 0000000..5626abf +*** --- /dev/null +*** +++ b/one +*** @@ -0,0 +1 @@ +*** +one +EOF + +test_expect_success 'log --line-prefix="*** " --graph with diff and stats' ' + git log --line-prefix="*** " --no-renames --graph --pretty=short --stat -p >actual && + sanitize_output >actual.sanitized <actual && + test_i18ncmp expect actual.sanitized +' + test_expect_success 'dotdot is a parent directory' ' mkdir -p a/b && ( echo sixth && echo fifth ) >expect && diff --git a/t/t4254-am-corrupt.sh b/t/t4254-am-corrupt.sh index 85716dd6ec..9bd7dd2ba1 100755 --- a/t/t4254-am-corrupt.sh +++ b/t/t4254-am-corrupt.sh @@ -29,7 +29,7 @@ test_expect_success 'try to apply corrupted patch' ' ' test_expect_success 'compare diagnostic; ensure file is still here' ' - echo "fatal: git diff header lacks filename information (line 4)" >expected && + echo "error: git diff header lacks filename information (line 4)" >expected && test_path_is_file f && test_cmp expected actual ' diff --git a/t/t5305-include-tag.sh b/t/t5305-include-tag.sh index f314ad5079..a5eca210b8 100755 --- a/t/t5305-include-tag.sh +++ b/t/t5305-include-tag.sh @@ -25,58 +25,94 @@ test_expect_success setup ' } >obj-list ' -rm -rf clone.git test_expect_success 'pack without --include-tag' ' - packname_1=$(git pack-objects \ + packname=$(git pack-objects \ --window=0 \ - test-1 <obj-list) + test-no-include <obj-list) ' test_expect_success 'unpack objects' ' - ( - GIT_DIR=clone.git && - export GIT_DIR && - git init && - git unpack-objects -n <test-1-${packname_1}.pack && - git unpack-objects <test-1-${packname_1}.pack - ) + rm -rf clone.git && + git init clone.git && + git -C clone.git unpack-objects <test-no-include-${packname}.pack ' test_expect_success 'check unpacked result (have commit, no tag)' ' git rev-list --objects $commit >list.expect && - ( - test_must_fail env GIT_DIR=clone.git git cat-file -e $tag && - git rev-list --objects $commit - ) >list.actual && + test_must_fail git -C clone.git cat-file -e $tag && + git -C clone.git rev-list --objects $commit >list.actual && test_cmp list.expect list.actual ' -rm -rf clone.git test_expect_success 'pack with --include-tag' ' - packname_1=$(git pack-objects \ + packname=$(git pack-objects \ --window=0 \ --include-tag \ - test-2 <obj-list) + test-include <obj-list) ' test_expect_success 'unpack objects' ' - ( - GIT_DIR=clone.git && - export GIT_DIR && - git init && - git unpack-objects -n <test-2-${packname_1}.pack && - git unpack-objects <test-2-${packname_1}.pack - ) + rm -rf clone.git && + git init clone.git && + git -C clone.git unpack-objects <test-include-${packname}.pack ' test_expect_success 'check unpacked result (have commit, have tag)' ' git rev-list --objects mytag >list.expect && - ( - GIT_DIR=clone.git && - export GIT_DIR && - git rev-list --objects $tag - ) >list.actual && + git -C clone.git rev-list --objects $tag >list.actual && test_cmp list.expect list.actual ' +# A tag of a tag, where the "inner" tag is not otherwise +# reachable, and a full peel points to a commit reachable from HEAD. +test_expect_success 'create hidden inner tag' ' + test_commit commit && + git tag -m inner inner HEAD && + git tag -m outer outer inner && + git tag -d inner +' + +test_expect_success 'pack explicit outer tag' ' + packname=$( + { + echo HEAD && + echo outer + } | + git pack-objects --revs test-hidden-explicit + ) +' + +test_expect_success 'unpack objects' ' + rm -rf clone.git && + git init clone.git && + git -C clone.git unpack-objects <test-hidden-explicit-${packname}.pack +' + +test_expect_success 'check unpacked result (have all objects)' ' + git -C clone.git rev-list --objects $(git rev-parse outer HEAD) +' + +test_expect_success 'pack implied outer tag' ' + packname=$( + echo HEAD | + git pack-objects --revs --include-tag test-hidden-implied + ) +' + +test_expect_success 'unpack objects' ' + rm -rf clone.git && + git init clone.git && + git -C clone.git unpack-objects <test-hidden-implied-${packname}.pack +' + +test_expect_success 'check unpacked result (have all objects)' ' + git -C clone.git rev-list --objects $(git rev-parse outer HEAD) +' + +test_expect_success 'single-branch clone can transfer tag' ' + rm -rf clone.git && + git clone --no-local --single-branch -b master . clone.git && + git -C clone.git fsck +' + test_done diff --git a/t/t5546-receive-limits.sh b/t/t5546-receive-limits.sh new file mode 100755 index 0000000000..10cb0be2b7 --- /dev/null +++ b/t/t5546-receive-limits.sh @@ -0,0 +1,55 @@ +#!/bin/sh + +test_description='check receive input limits' +. ./test-lib.sh + +# Let's run tests with different unpack limits: 1 and 10000 +# When the limit is 1, `git receive-pack` will call `git index-pack`. +# When the limit is 10000, `git receive-pack` will call `git unpack-objects`. + +test_pack_input_limit () { + case "$1" in + index) unpack_limit=1 ;; + unpack) unpack_limit=10000 ;; + esac + + test_expect_success 'prepare destination repository' ' + rm -fr dest && + git --bare init dest + ' + + test_expect_success "set unpacklimit to $unpack_limit" ' + git --git-dir=dest config receive.unpacklimit "$unpack_limit" + ' + + test_expect_success 'setting receive.maxInputSize to 512 rejects push' ' + git --git-dir=dest config receive.maxInputSize 512 && + test_must_fail git push dest HEAD + ' + + test_expect_success 'bumping limit to 4k allows push' ' + git --git-dir=dest config receive.maxInputSize 4k && + git push dest HEAD + ' + + test_expect_success 'prepare destination repository (again)' ' + rm -fr dest && + git --bare init dest + ' + + test_expect_success 'lifting the limit allows push' ' + git --git-dir=dest config receive.maxInputSize 0 && + git push dest HEAD + ' +} + +test_expect_success "create known-size (1024 bytes) commit" ' + test-genrandom foo 1024 >one-k && + git add one-k && + test_commit one-k +' + +test_pack_input_limit index +test_pack_input_limit unpack + +test_done diff --git a/t/t5550-http-fetch-dumb.sh b/t/t5550-http-fetch-dumb.sh index dc9b87d6b4..7641417b4a 100755 --- a/t/t5550-http-fetch-dumb.sh +++ b/t/t5550-http-fetch-dumb.sh @@ -299,5 +299,13 @@ test_expect_success 'git client does not send an empty Accept-Language' ' ! grep "^=> Send header: Accept-Language:" stderr ' +test_expect_success 'remote-http complains cleanly about malformed urls' ' + # do not actually issue "list" or other commands, as we do not + # want to rely on what curl would actually do with such a broken + # URL. This is just about making sure we do not segfault during + # initialization. + test_must_fail git remote-http http::/example.com/repo.git +' + stop_httpd test_done diff --git a/t/t7060-wtstatus.sh b/t/t7060-wtstatus.sh index 4d17363a92..53cf42fac1 100755 --- a/t/t7060-wtstatus.sh +++ b/t/t7060-wtstatus.sh @@ -232,4 +232,25 @@ test_expect_success 'status --branch with detached HEAD' ' test_i18ncmp expected actual ' +## Duplicate the above test and verify --porcelain=v1 arg parsing. +test_expect_success 'status --porcelain=v1 --branch with detached HEAD' ' + git reset --hard && + git checkout master^0 && + git status --branch --porcelain=v1 >actual && + cat >expected <<-EOF && + ## HEAD (no branch) + ?? .gitconfig + ?? actual + ?? expect + ?? expected + ?? mdconflict/ + EOF + test_i18ncmp expected actual +' + +## Verify parser error on invalid --porcelain argument. +test_expect_success 'status --porcelain=bogus' ' + test_must_fail git status --porcelain=bogus +' + test_done diff --git a/t/t7064-wtstatus-pv2.sh b/t/t7064-wtstatus-pv2.sh new file mode 100755 index 0000000000..3012a4d7c0 --- /dev/null +++ b/t/t7064-wtstatus-pv2.sh @@ -0,0 +1,593 @@ +#!/bin/sh + +test_description='git status --porcelain=v2 + +This test exercises porcelain V2 output for git status.' + + +. ./test-lib.sh + + +test_expect_success setup ' + test_tick && + git config core.autocrlf false && + echo x >file_x && + echo y >file_y && + echo z >file_z && + mkdir dir1 && + echo a >dir1/file_a && + echo b >dir1/file_b +' + +test_expect_success 'before initial commit, nothing added, only untracked' ' + cat >expect <<-EOF && + # branch.oid (initial) + # branch.head master + ? actual + ? dir1/ + ? expect + ? file_x + ? file_y + ? file_z + EOF + + git status --porcelain=v2 --branch --untracked-files=normal >actual && + test_cmp expect actual +' + +test_expect_success 'before initial commit, things added' ' + git add file_x file_y file_z dir1 && + OID_A=$(git hash-object -t blob -- dir1/file_a) && + OID_B=$(git hash-object -t blob -- dir1/file_b) && + OID_X=$(git hash-object -t blob -- file_x) && + OID_Y=$(git hash-object -t blob -- file_y) && + OID_Z=$(git hash-object -t blob -- file_z) && + + cat >expect <<-EOF && + # branch.oid (initial) + # branch.head master + 1 A. N... 000000 100644 100644 $_z40 $OID_A dir1/file_a + 1 A. N... 000000 100644 100644 $_z40 $OID_B dir1/file_b + 1 A. N... 000000 100644 100644 $_z40 $OID_X file_x + 1 A. N... 000000 100644 100644 $_z40 $OID_Y file_y + 1 A. N... 000000 100644 100644 $_z40 $OID_Z file_z + ? actual + ? expect + EOF + + git status --porcelain=v2 --branch --untracked-files=all >actual && + test_cmp expect actual +' + +test_expect_success 'before initial commit, things added (-z)' ' + lf_to_nul >expect <<-EOF && + # branch.oid (initial) + # branch.head master + 1 A. N... 000000 100644 100644 $_z40 $OID_A dir1/file_a + 1 A. N... 000000 100644 100644 $_z40 $OID_B dir1/file_b + 1 A. N... 000000 100644 100644 $_z40 $OID_X file_x + 1 A. N... 000000 100644 100644 $_z40 $OID_Y file_y + 1 A. N... 000000 100644 100644 $_z40 $OID_Z file_z + ? actual + ? expect + EOF + + git status -z --porcelain=v2 --branch --untracked-files=all >actual && + test_cmp expect actual +' + +test_expect_success 'make first commit, comfirm HEAD oid and branch' ' + git commit -m initial && + H0=$(git rev-parse HEAD) && + cat >expect <<-EOF && + # branch.oid $H0 + # branch.head master + ? actual + ? expect + EOF + + git status --porcelain=v2 --branch --untracked-files=all >actual && + test_cmp expect actual +' + +test_expect_success 'after first commit, create unstaged changes' ' + echo x >>file_x && + OID_X1=$(git hash-object -t blob -- file_x) && + rm file_z && + H0=$(git rev-parse HEAD) && + + cat >expect <<-EOF && + # branch.oid $H0 + # branch.head master + 1 .M N... 100644 100644 100644 $OID_X $OID_X file_x + 1 .D N... 100644 100644 000000 $OID_Z $OID_Z file_z + ? actual + ? expect + EOF + + git status --porcelain=v2 --branch --untracked-files=all >actual && + test_cmp expect actual +' + +test_expect_success 'after first commit but omit untracked files and branch' ' + cat >expect <<-EOF && + 1 .M N... 100644 100644 100644 $OID_X $OID_X file_x + 1 .D N... 100644 100644 000000 $OID_Z $OID_Z file_z + EOF + + git status --porcelain=v2 --untracked-files=no >actual && + test_cmp expect actual +' + +test_expect_success 'after first commit, stage existing changes' ' + git add file_x && + git rm file_z && + H0=$(git rev-parse HEAD) && + + cat >expect <<-EOF && + # branch.oid $H0 + # branch.head master + 1 M. N... 100644 100644 100644 $OID_X $OID_X1 file_x + 1 D. N... 100644 000000 000000 $OID_Z $_z40 file_z + ? actual + ? expect + EOF + + git status --porcelain=v2 --branch --untracked-files=all >actual && + test_cmp expect actual +' + +test_expect_success 'rename causes 2 path lines' ' + git mv file_y renamed_y && + H0=$(git rev-parse HEAD) && + + q_to_tab >expect <<-EOF && + # branch.oid $H0 + # branch.head master + 1 M. N... 100644 100644 100644 $OID_X $OID_X1 file_x + 1 D. N... 100644 000000 000000 $OID_Z $_z40 file_z + 2 R. N... 100644 100644 100644 $OID_Y $OID_Y R100 renamed_yQfile_y + ? actual + ? expect + EOF + + git status --porcelain=v2 --branch --untracked-files=all >actual && + test_cmp expect actual +' + +test_expect_success 'rename causes 2 path lines (-z)' ' + H0=$(git rev-parse HEAD) && + + ## Lines use NUL path separator and line terminator, so double transform here. + q_to_nul <<-EOF | lf_to_nul >expect && + # branch.oid $H0 + # branch.head master + 1 M. N... 100644 100644 100644 $OID_X $OID_X1 file_x + 1 D. N... 100644 000000 000000 $OID_Z $_z40 file_z + 2 R. N... 100644 100644 100644 $OID_Y $OID_Y R100 renamed_yQfile_y + ? actual + ? expect + EOF + + git status --porcelain=v2 --branch --untracked-files=all -z >actual && + test_cmp expect actual +' + +test_expect_success 'make second commit, confirm clean and new HEAD oid' ' + git commit -m second && + H1=$(git rev-parse HEAD) && + + cat >expect <<-EOF && + # branch.oid $H1 + # branch.head master + ? actual + ? expect + EOF + + git status --porcelain=v2 --branch --untracked-files=all >actual && + test_cmp expect actual +' + +test_expect_success 'confirm ignored files are not printed' ' + test_when_finished "rm -f x.ign .gitignore" && + echo x.ign >.gitignore && + echo "ignore me" >x.ign && + + cat >expect <<-EOF && + ? .gitignore + ? actual + ? expect + EOF + + git status --porcelain=v2 --untracked-files=all >actual && + test_cmp expect actual +' + +test_expect_success 'ignored files are printed with --ignored' ' + test_when_finished "rm -f x.ign .gitignore" && + echo x.ign >.gitignore && + echo "ignore me" >x.ign && + + cat >expect <<-EOF && + ? .gitignore + ? actual + ? expect + ! x.ign + EOF + + git status --porcelain=v2 --ignored --untracked-files=all >actual && + test_cmp expect actual +' + +test_expect_success 'create and commit permanent ignore file' ' + cat >.gitignore <<-EOF && + actual* + expect* + EOF + + git add .gitignore && + git commit -m ignore_trash && + H1=$(git rev-parse HEAD) && + + cat >expect <<-EOF && + # branch.oid $H1 + # branch.head master + EOF + + git status --porcelain=v2 --branch >actual && + test_cmp expect actual +' + +test_expect_success 'verify --intent-to-add output' ' + test_when_finished "git rm -f intent1.add intent2.add" && + touch intent1.add && + echo test >intent2.add && + + git add --intent-to-add intent1.add intent2.add && + + cat >expect <<-EOF && + 1 AM N... 000000 100644 100644 $_z40 $EMPTY_BLOB intent1.add + 1 AM N... 000000 100644 100644 $_z40 $EMPTY_BLOB intent2.add + EOF + + git status --porcelain=v2 >actual && + test_cmp expect actual +' + +test_expect_success 'verify AA (add-add) conflict' ' + test_when_finished "git reset --hard" && + + git branch AA_A master && + git checkout AA_A && + echo "Branch AA_A" >conflict.txt && + OID_AA_A=$(git hash-object -t blob -- conflict.txt) && + git add conflict.txt && + git commit -m "branch aa_a" && + + git branch AA_B master && + git checkout AA_B && + echo "Branch AA_B" >conflict.txt && + OID_AA_B=$(git hash-object -t blob -- conflict.txt) && + git add conflict.txt && + git commit -m "branch aa_b" && + + git branch AA_M AA_B && + git checkout AA_M && + test_must_fail git merge AA_A && + + HM=$(git rev-parse HEAD) && + + cat >expect <<-EOF && + # branch.oid $HM + # branch.head AA_M + u AA N... 000000 100644 100644 100644 $_z40 $OID_AA_B $OID_AA_A conflict.txt + EOF + + git status --porcelain=v2 --branch --untracked-files=all >actual && + test_cmp expect actual +' + +test_expect_success 'verify UU (edit-edit) conflict' ' + test_when_finished "git reset --hard" && + + git branch UU_ANC master && + git checkout UU_ANC && + echo "Ancestor" >conflict.txt && + OID_UU_ANC=$(git hash-object -t blob -- conflict.txt) && + git add conflict.txt && + git commit -m "UU_ANC" && + + git branch UU_A UU_ANC && + git checkout UU_A && + echo "Branch UU_A" >conflict.txt && + OID_UU_A=$(git hash-object -t blob -- conflict.txt) && + git add conflict.txt && + git commit -m "branch uu_a" && + + git branch UU_B UU_ANC && + git checkout UU_B && + echo "Branch UU_B" >conflict.txt && + OID_UU_B=$(git hash-object -t blob -- conflict.txt) && + git add conflict.txt && + git commit -m "branch uu_b" && + + git branch UU_M UU_B && + git checkout UU_M && + test_must_fail git merge UU_A && + + HM=$(git rev-parse HEAD) && + + cat >expect <<-EOF && + # branch.oid $HM + # branch.head UU_M + u UU N... 100644 100644 100644 100644 $OID_UU_ANC $OID_UU_B $OID_UU_A conflict.txt + EOF + + git status --porcelain=v2 --branch --untracked-files=all >actual && + test_cmp expect actual +' + +test_expect_success 'verify upstream fields in branch header' ' + git checkout master && + test_when_finished "rm -rf sub_repo" && + git clone . sub_repo && + ( + ## Confirm local master tracks remote master. + cd sub_repo && + HUF=$(git rev-parse HEAD) && + + cat >expect <<-EOF && + # branch.oid $HUF + # branch.head master + # branch.upstream origin/master + # branch.ab +0 -0 + EOF + + git status --porcelain=v2 --branch --untracked-files=all >actual && + test_cmp expect actual && + + ## Test ahead/behind. + echo xyz >file_xyz && + git add file_xyz && + git commit -m xyz && + + HUF=$(git rev-parse HEAD) && + + cat >expect <<-EOF && + # branch.oid $HUF + # branch.head master + # branch.upstream origin/master + # branch.ab +1 -0 + EOF + + git status --porcelain=v2 --branch --untracked-files=all >actual && + test_cmp expect actual && + + ## Repeat the above but without --branch. + cat >expect <<-EOF && + EOF + + git status --porcelain=v2 --untracked-files=all >actual && + test_cmp expect actual && + + ## Test upstream-gone case. Fake this by pointing origin/master at + ## a non-existing commit. + OLD=$(git rev-parse origin/master) && + NEW=$_z40 && + mv .git/packed-refs .git/old-packed-refs && + sed "s/$OLD/$NEW/g" <.git/old-packed-refs >.git/packed-refs && + + HUF=$(git rev-parse HEAD) && + + cat >expect <<-EOF && + # branch.oid $HUF + # branch.head master + # branch.upstream origin/master + EOF + + git status --porcelain=v2 --branch --untracked-files=all >actual && + test_cmp expect actual + ) +' + +test_expect_success 'create and add submodule, submodule appears clean (A. S...)' ' + git checkout master && + git clone . sub_repo && + git clone . super_repo && + ( cd super_repo && + git submodule add ../sub_repo sub1 && + + ## Confirm stage/add of clean submodule. + HMOD=$(git hash-object -t blob -- .gitmodules) && + HSUP=$(git rev-parse HEAD) && + HSUB=$HSUP && + + cat >expect <<-EOF && + # branch.oid $HSUP + # branch.head master + # branch.upstream origin/master + # branch.ab +0 -0 + 1 A. N... 000000 100644 100644 $_z40 $HMOD .gitmodules + 1 A. S... 000000 160000 160000 $_z40 $HSUB sub1 + EOF + + git status --porcelain=v2 --branch --untracked-files=all >actual && + test_cmp expect actual + ) +' + +test_expect_success 'untracked changes in added submodule (AM S..U)' ' + ( cd super_repo && + ## create untracked file in the submodule. + ( cd sub1 && + echo "xxxx" >file_in_sub + ) && + + HMOD=$(git hash-object -t blob -- .gitmodules) && + HSUP=$(git rev-parse HEAD) && + HSUB=$HSUP && + + cat >expect <<-EOF && + # branch.oid $HSUP + # branch.head master + # branch.upstream origin/master + # branch.ab +0 -0 + 1 A. N... 000000 100644 100644 $_z40 $HMOD .gitmodules + 1 AM S..U 000000 160000 160000 $_z40 $HSUB sub1 + EOF + + git status --porcelain=v2 --branch --untracked-files=all >actual && + test_cmp expect actual + ) +' + +test_expect_success 'staged changes in added submodule (AM S.M.)' ' + ( cd super_repo && + ## stage the changes in the submodule. + ( cd sub1 && + git add file_in_sub + ) && + + HMOD=$(git hash-object -t blob -- .gitmodules) && + HSUP=$(git rev-parse HEAD) && + HSUB=$HSUP && + + cat >expect <<-EOF && + # branch.oid $HSUP + # branch.head master + # branch.upstream origin/master + # branch.ab +0 -0 + 1 A. N... 000000 100644 100644 $_z40 $HMOD .gitmodules + 1 AM S.M. 000000 160000 160000 $_z40 $HSUB sub1 + EOF + + git status --porcelain=v2 --branch --untracked-files=all >actual && + test_cmp expect actual + ) +' + +test_expect_success 'staged and unstaged changes in added (AM S.M.)' ' + ( cd super_repo && + ( cd sub1 && + ## make additional unstaged changes (on the same file) in the submodule. + ## This does not cause us to get S.MU (because the submodule does not report + ## a "?" line for the unstaged changes). + echo "more changes" >>file_in_sub + ) && + + HMOD=$(git hash-object -t blob -- .gitmodules) && + HSUP=$(git rev-parse HEAD) && + HSUB=$HSUP && + + cat >expect <<-EOF && + # branch.oid $HSUP + # branch.head master + # branch.upstream origin/master + # branch.ab +0 -0 + 1 A. N... 000000 100644 100644 $_z40 $HMOD .gitmodules + 1 AM S.M. 000000 160000 160000 $_z40 $HSUB sub1 + EOF + + git status --porcelain=v2 --branch --untracked-files=all >actual && + test_cmp expect actual + ) +' + +test_expect_success 'staged and untracked changes in added submodule (AM S.MU)' ' + ( cd super_repo && + ( cd sub1 && + ## stage new changes in tracked file. + git add file_in_sub && + ## create new untracked file. + echo "yyyy" >>another_file_in_sub + ) && + + HMOD=$(git hash-object -t blob -- .gitmodules) && + HSUP=$(git rev-parse HEAD) && + HSUB=$HSUP && + + cat >expect <<-EOF && + # branch.oid $HSUP + # branch.head master + # branch.upstream origin/master + # branch.ab +0 -0 + 1 A. N... 000000 100644 100644 $_z40 $HMOD .gitmodules + 1 AM S.MU 000000 160000 160000 $_z40 $HSUB sub1 + EOF + + git status --porcelain=v2 --branch --untracked-files=all >actual && + test_cmp expect actual + ) +' + +test_expect_success 'commit within the submodule appears as new commit in super (AM SC..)' ' + ( cd super_repo && + ( cd sub1 && + ## Make a new commit in the submodule. + git add file_in_sub && + rm -f another_file_in_sub && + git commit -m "new commit" + ) && + + HMOD=$(git hash-object -t blob -- .gitmodules) && + HSUP=$(git rev-parse HEAD) && + HSUB=$HSUP && + + cat >expect <<-EOF && + # branch.oid $HSUP + # branch.head master + # branch.upstream origin/master + # branch.ab +0 -0 + 1 A. N... 000000 100644 100644 $_z40 $HMOD .gitmodules + 1 AM SC.. 000000 160000 160000 $_z40 $HSUB sub1 + EOF + + git status --porcelain=v2 --branch --untracked-files=all >actual && + test_cmp expect actual + ) +' + +test_expect_success 'stage submodule in super and commit' ' + ( cd super_repo && + ## Stage the new submodule commit in the super. + git add sub1 && + ## Commit the super so that the sub no longer appears as added. + git commit -m "super commit" && + + HSUP=$(git rev-parse HEAD) && + + cat >expect <<-EOF && + # branch.oid $HSUP + # branch.head master + # branch.upstream origin/master + # branch.ab +1 -0 + EOF + + git status --porcelain=v2 --branch --untracked-files=all >actual && + test_cmp expect actual + ) +' + +test_expect_success 'make unstaged changes in existing submodule (.M S.M.)' ' + ( cd super_repo && + ( cd sub1 && + echo "zzzz" >>file_in_sub + ) && + + HSUP=$(git rev-parse HEAD) && + HSUB=$(cd sub1 && git rev-parse HEAD) && + + cat >expect <<-EOF && + # branch.oid $HSUP + # branch.head master + # branch.upstream origin/master + # branch.ab +1 -0 + 1 .M S.M. 160000 160000 160000 $HSUB $HSUB sub1 + EOF + + git status --porcelain=v2 --branch --untracked-files=all >actual && + test_cmp expect actual + ) +' + +test_done diff --git a/t/t7408-submodule-reference.sh b/t/t7408-submodule-reference.sh index eaea19b8f2..1c1e289ffd 100755 --- a/t/t7408-submodule-reference.sh +++ b/t/t7408-submodule-reference.sh @@ -8,74 +8,121 @@ test_description='test clone --reference' base_dir=$(pwd) -U=$base_dir/UPLOAD_LOG - -test_expect_success 'preparing first repository' \ -'test_create_repo A && cd A && -echo first > file1 && -git add file1 && -git commit -m A-initial' - -cd "$base_dir" - -test_expect_success 'preparing second repository' \ -'git clone A B && cd B && -echo second > file2 && -git add file2 && -git commit -m B-addition && -git repack -a -d && -git prune' - -cd "$base_dir" - -test_expect_success 'preparing superproject' \ -'test_create_repo super && cd super && -echo file > file && -git add file && -git commit -m B-super-initial' - -cd "$base_dir" - -test_expect_success 'submodule add --reference' \ -'cd super && git submodule add --reference ../B "file://$base_dir/A" sub && -git commit -m B-super-added' - -cd "$base_dir" - -test_expect_success 'after add: existence of info/alternates' \ -'test_line_count = 1 super/.git/modules/sub/objects/info/alternates' - -cd "$base_dir" - -test_expect_success 'that reference gets used with add' \ -'cd super/sub && -echo "0 objects, 0 kilobytes" > expected && -git count-objects > current && -diff expected current' - -cd "$base_dir" - -test_expect_success 'cloning superproject' \ -'git clone super super-clone' - -cd "$base_dir" - -test_expect_success 'update with reference' \ -'cd super-clone && git submodule update --init --reference ../B' - -cd "$base_dir" - -test_expect_success 'after update: existence of info/alternates' \ -'test_line_count = 1 super-clone/.git/modules/sub/objects/info/alternates' - -cd "$base_dir" - -test_expect_success 'that reference gets used with update' \ -'cd super-clone/sub && -echo "0 objects, 0 kilobytes" > expected && -git count-objects > current && -diff expected current' - -cd "$base_dir" +test_alternate_is_used () { + alternates_file="$1" && + working_dir="$2" && + test_line_count = 1 "$alternates_file" && + echo "0 objects, 0 kilobytes" >expect && + git -C "$working_dir" count-objects >actual && + test_cmp expect actual +} + +test_expect_success 'preparing first repository' ' + test_create_repo A && + ( + cd A && + echo first >file1 && + git add file1 && + git commit -m A-initial + ) +' + +test_expect_success 'preparing second repository' ' + git clone A B && + ( + cd B && + echo second >file2 && + git add file2 && + git commit -m B-addition && + git repack -a -d && + git prune + ) +' + +test_expect_success 'preparing superproject' ' + test_create_repo super && + ( + cd super && + echo file >file && + git add file && + git commit -m B-super-initial + ) +' + +test_expect_success 'submodule add --reference uses alternates' ' + ( + cd super && + git submodule add --reference ../B "file://$base_dir/A" sub && + git commit -m B-super-added && + git repack -ad + ) && + test_alternate_is_used super/.git/modules/sub/objects/info/alternates super/sub +' + +test_expect_success 'that reference gets used with add' ' + ( + cd super/sub && + echo "0 objects, 0 kilobytes" >expected && + git count-objects >current && + diff expected current + ) +' + +# The tests up to this point, and repositories created by them +# (A, B, super and super/sub), are about setting up the stage +# for subsequent tests and meant to be kept throughout the +# remainder of the test. +# Tests from here on, if they create their own test repository, +# are expected to clean after themselves. + +test_expect_success 'updating superproject keeps alternates' ' + test_when_finished "rm -rf super-clone" && + git clone super super-clone && + git -C super-clone submodule update --init --reference ../B && + test_alternate_is_used super-clone/.git/modules/sub/objects/info/alternates super-clone/sub +' + +test_expect_success 'submodules use alternates when cloning a superproject' ' + test_when_finished "rm -rf super-clone" && + git clone --reference super --recursive super super-clone && + ( + cd super-clone && + # test superproject has alternates setup correctly + test_alternate_is_used .git/objects/info/alternates . && + # test submodule has correct setup + test_alternate_is_used .git/modules/sub/objects/info/alternates sub + ) +' + +test_expect_success 'missing submodule alternate fails clone and submodule update' ' + test_when_finished "rm -rf super-clone" && + git clone super super2 && + test_must_fail git clone --recursive --reference super2 super2 super-clone && + ( + cd super-clone && + # test superproject has alternates setup correctly + test_alternate_is_used .git/objects/info/alternates . && + # update of the submodule succeeds + test_must_fail git submodule update --init && + # and we have no alternates: + test_must_fail test_alternate_is_used .git/modules/sub/objects/info/alternates sub && + test_must_fail test_path_is_file sub/file1 + ) +' + +test_expect_success 'ignoring missing submodule alternates passes clone and submodule update' ' + test_when_finished "rm -rf super-clone" && + git clone --reference-if-able super2 --recursive super2 super-clone && + ( + cd super-clone && + # test superproject has alternates setup correctly + test_alternate_is_used .git/objects/info/alternates . && + # update of the submodule succeeds + git submodule update --init && + # and we have no alternates: + test_must_fail test_alternate_is_used .git/modules/sub/objects/info/alternates sub && + test_path_is_file sub/file1 + ) +' test_done diff --git a/t/test-lib-functions.sh b/t/test-lib-functions.sh index 4f7eadb596..fdaeb3a96b 100644 --- a/t/test-lib-functions.sh +++ b/t/test-lib-functions.sh @@ -81,6 +81,10 @@ test_decode_color () { ' } +lf_to_nul () { + perl -pe 'y/\012/\000/' +} + nul_to_q () { perl -pe 'y/\000/Q/' } @@ -26,7 +26,7 @@ static int read_one_entry_opt(const unsigned char *sha1, const char *base, int b ce->ce_namelen = baselen + len; memcpy(ce->name, base, baselen); memcpy(ce->name + baselen, pathname, len+1); - hashcpy(ce->sha1, sha1); + hashcpy(ce->oid.hash, sha1); return add_cache_entry(ce, opt); } diff --git a/unpack-trees.c b/unpack-trees.c index c87a90a08d..88516910cc 100644 --- a/unpack-trees.c +++ b/unpack-trees.c @@ -625,7 +625,7 @@ static struct cache_entry *create_ce_entry(const struct traverse_info *info, con ce->ce_mode = create_ce_mode(n->mode); ce->ce_flags = create_ce_flags(stage); ce->ce_namelen = len; - hashcpy(ce->sha1, n->oid->hash); + oidcpy(&ce->oid, n->oid); make_traverse_path(ce->name, info, n); return ce; @@ -1287,7 +1287,7 @@ static int same(const struct cache_entry *a, const struct cache_entry *b) if ((a->ce_flags | b->ce_flags) & CE_CONFLICTED) return 0; return a->ce_mode == b->ce_mode && - !hashcmp(a->sha1, b->sha1); + !oidcmp(&a->oid, &b->oid); } @@ -1393,7 +1393,7 @@ static int verify_clean_subdirectory(const struct cache_entry *ce, /* If we are not going to update the submodule, then * we don't care. */ - if (!hashcmp(sha1, ce->sha1)) + if (!hashcmp(sha1, ce->oid.hash)) return 0; return verify_clean_submodule(ce, error_type, o); } @@ -1665,7 +1665,7 @@ static void show_stage_entry(FILE *o, fprintf(o, "%s%06o %s %d\t%s\n", label, ce->ce_mode, - sha1_to_hex(ce->sha1), + oid_to_hex(&ce->oid), ce_stage(ce), ce->name); } @@ -70,6 +70,21 @@ void set_error_routine(void (*routine)(const char *err, va_list params)) error_routine = routine; } +void (*get_error_routine(void))(const char *err, va_list params) +{ + return error_routine; +} + +void set_warn_routine(void (*routine)(const char *warn, va_list params)) +{ + warn_routine = routine; +} + +void (*get_warn_routine(void))(const char *warn, va_list params) +{ + return warn_routine; +} + void set_die_is_recursing_routine(int (*routine)(void)) { die_is_recursing = routine; diff --git a/wt-status.c b/wt-status.c index 6225a2d89f..9a14658e7e 100644 --- a/wt-status.c +++ b/wt-status.c @@ -139,7 +139,7 @@ void wt_status_prepare(struct wt_status *s) s->display_comment_prefix = 0; } -static void wt_status_print_unmerged_header(struct wt_status *s) +static void wt_longstatus_print_unmerged_header(struct wt_status *s) { int i; int del_mod_conflict = 0; @@ -191,7 +191,7 @@ static void wt_status_print_unmerged_header(struct wt_status *s) status_printf_ln(s, c, "%s", ""); } -static void wt_status_print_cached_header(struct wt_status *s) +static void wt_longstatus_print_cached_header(struct wt_status *s) { const char *c = color(WT_STATUS_HEADER, s); @@ -207,9 +207,9 @@ static void wt_status_print_cached_header(struct wt_status *s) status_printf_ln(s, c, "%s", ""); } -static void wt_status_print_dirty_header(struct wt_status *s, - int has_deleted, - int has_dirty_submodules) +static void wt_longstatus_print_dirty_header(struct wt_status *s, + int has_deleted, + int has_dirty_submodules) { const char *c = color(WT_STATUS_HEADER, s); @@ -226,9 +226,9 @@ static void wt_status_print_dirty_header(struct wt_status *s, status_printf_ln(s, c, "%s", ""); } -static void wt_status_print_other_header(struct wt_status *s, - const char *what, - const char *how) +static void wt_longstatus_print_other_header(struct wt_status *s, + const char *what, + const char *how) { const char *c = color(WT_STATUS_HEADER, s); status_printf_ln(s, c, "%s:", what); @@ -238,7 +238,7 @@ static void wt_status_print_other_header(struct wt_status *s, status_printf_ln(s, c, "%s", ""); } -static void wt_status_print_trailer(struct wt_status *s) +static void wt_longstatus_print_trailer(struct wt_status *s) { status_printf_ln(s, color(WT_STATUS_HEADER, s), "%s", ""); } @@ -304,8 +304,8 @@ static int maxwidth(const char *(*label)(int), int minval, int maxval) return result; } -static void wt_status_print_unmerged_data(struct wt_status *s, - struct string_list_item *it) +static void wt_longstatus_print_unmerged_data(struct wt_status *s, + struct string_list_item *it) { const char *c = color(WT_STATUS_UNMERGED, s); struct wt_status_change_data *d = it->util; @@ -331,9 +331,9 @@ static void wt_status_print_unmerged_data(struct wt_status *s, strbuf_release(&onebuf); } -static void wt_status_print_change_data(struct wt_status *s, - int change_type, - struct string_list_item *it) +static void wt_longstatus_print_change_data(struct wt_status *s, + int change_type, + struct string_list_item *it) { struct wt_status_change_data *d = it->util; const char *c = color(change_type, s); @@ -378,7 +378,7 @@ static void wt_status_print_change_data(struct wt_status *s, status = d->worktree_status; break; default: - die("BUG: unhandled change_type %d in wt_status_print_change_data", + die("BUG: unhandled change_type %d in wt_longstatus_print_change_data", change_type); } @@ -434,6 +434,31 @@ static void wt_status_collect_changed_cb(struct diff_queue_struct *q, if (S_ISGITLINK(p->two->mode)) d->new_submodule_commits = !!oidcmp(&p->one->oid, &p->two->oid); + + switch (p->status) { + case DIFF_STATUS_ADDED: + die("BUG: worktree status add???"); + break; + + case DIFF_STATUS_DELETED: + d->mode_index = p->one->mode; + oidcpy(&d->oid_index, &p->one->oid); + /* mode_worktree is zero for a delete. */ + break; + + case DIFF_STATUS_MODIFIED: + case DIFF_STATUS_TYPE_CHANGED: + case DIFF_STATUS_UNMERGED: + d->mode_index = p->one->mode; + d->mode_worktree = p->two->mode; + oidcpy(&d->oid_index, &p->one->oid); + break; + + case DIFF_STATUS_UNKNOWN: + die("BUG: worktree status unknown???"); + break; + } + } } @@ -479,12 +504,36 @@ static void wt_status_collect_updated_cb(struct diff_queue_struct *q, if (!d->index_status) d->index_status = p->status; switch (p->status) { + case DIFF_STATUS_ADDED: + /* Leave {mode,oid}_head zero for an add. */ + d->mode_index = p->two->mode; + oidcpy(&d->oid_index, &p->two->oid); + break; + case DIFF_STATUS_DELETED: + d->mode_head = p->one->mode; + oidcpy(&d->oid_head, &p->one->oid); + /* Leave {mode,oid}_index zero for a delete. */ + break; + case DIFF_STATUS_COPIED: case DIFF_STATUS_RENAMED: d->head_path = xstrdup(p->one->path); + d->score = p->score * 100 / MAX_SCORE; + /* fallthru */ + case DIFF_STATUS_MODIFIED: + case DIFF_STATUS_TYPE_CHANGED: + d->mode_head = p->one->mode; + d->mode_index = p->two->mode; + oidcpy(&d->oid_head, &p->one->oid); + oidcpy(&d->oid_index, &p->two->oid); break; case DIFF_STATUS_UNMERGED: d->stagemask = unmerged_mask(p->two->path); + /* + * Don't bother setting {mode,oid}_{head,index} since the print + * code will output the stage values directly and not use the + * values in these fields. + */ break; } } @@ -565,9 +614,17 @@ static void wt_status_collect_changes_initial(struct wt_status *s) if (ce_stage(ce)) { d->index_status = DIFF_STATUS_UNMERGED; d->stagemask |= (1 << (ce_stage(ce) - 1)); - } - else + /* + * Don't bother setting {mode,oid}_{head,index} since the print + * code will output the stage values directly and not use the + * values in these fields. + */ + } else { d->index_status = DIFF_STATUS_ADDED; + /* Leave {mode,oid}_head zero for adds. */ + d->mode_index = ce->ce_mode; + hashcpy(d->oid_index.hash, ce->oid.hash); + } } } @@ -627,7 +684,7 @@ void wt_status_collect(struct wt_status *s) wt_status_collect_untracked(s); } -static void wt_status_print_unmerged(struct wt_status *s) +static void wt_longstatus_print_unmerged(struct wt_status *s) { int shown_header = 0; int i; @@ -640,17 +697,17 @@ static void wt_status_print_unmerged(struct wt_status *s) if (!d->stagemask) continue; if (!shown_header) { - wt_status_print_unmerged_header(s); + wt_longstatus_print_unmerged_header(s); shown_header = 1; } - wt_status_print_unmerged_data(s, it); + wt_longstatus_print_unmerged_data(s, it); } if (shown_header) - wt_status_print_trailer(s); + wt_longstatus_print_trailer(s); } -static void wt_status_print_updated(struct wt_status *s) +static void wt_longstatus_print_updated(struct wt_status *s) { int shown_header = 0; int i; @@ -664,14 +721,14 @@ static void wt_status_print_updated(struct wt_status *s) d->index_status == DIFF_STATUS_UNMERGED) continue; if (!shown_header) { - wt_status_print_cached_header(s); + wt_longstatus_print_cached_header(s); s->commitable = 1; shown_header = 1; } - wt_status_print_change_data(s, WT_STATUS_UPDATED, it); + wt_longstatus_print_change_data(s, WT_STATUS_UPDATED, it); } if (shown_header) - wt_status_print_trailer(s); + wt_longstatus_print_trailer(s); } /* @@ -703,7 +760,7 @@ static int wt_status_check_worktree_changes(struct wt_status *s, return changes; } -static void wt_status_print_changed(struct wt_status *s) +static void wt_longstatus_print_changed(struct wt_status *s) { int i, dirty_submodules; int worktree_changes = wt_status_check_worktree_changes(s, &dirty_submodules); @@ -711,7 +768,7 @@ static void wt_status_print_changed(struct wt_status *s) if (!worktree_changes) return; - wt_status_print_dirty_header(s, worktree_changes < 0, dirty_submodules); + wt_longstatus_print_dirty_header(s, worktree_changes < 0, dirty_submodules); for (i = 0; i < s->change.nr; i++) { struct wt_status_change_data *d; @@ -721,12 +778,12 @@ static void wt_status_print_changed(struct wt_status *s) if (!d->worktree_status || d->worktree_status == DIFF_STATUS_UNMERGED) continue; - wt_status_print_change_data(s, WT_STATUS_CHANGED, it); + wt_longstatus_print_change_data(s, WT_STATUS_CHANGED, it); } - wt_status_print_trailer(s); + wt_longstatus_print_trailer(s); } -static void wt_status_print_submodule_summary(struct wt_status *s, int uncommitted) +static void wt_longstatus_print_submodule_summary(struct wt_status *s, int uncommitted) { struct child_process sm_summary = CHILD_PROCESS_INIT; struct strbuf cmd_stdout = STRBUF_INIT; @@ -772,10 +829,10 @@ static void wt_status_print_submodule_summary(struct wt_status *s, int uncommitt strbuf_release(&summary); } -static void wt_status_print_other(struct wt_status *s, - struct string_list *l, - const char *what, - const char *how) +static void wt_longstatus_print_other(struct wt_status *s, + struct string_list *l, + const char *what, + const char *how) { int i; struct strbuf buf = STRBUF_INIT; @@ -785,7 +842,7 @@ static void wt_status_print_other(struct wt_status *s, if (!l->nr) return; - wt_status_print_other_header(s, what, how); + wt_longstatus_print_other_header(s, what, how); for (i = 0; i < l->nr; i++) { struct string_list_item *it; @@ -845,7 +902,7 @@ void wt_status_add_cut_line(FILE *fp) strbuf_release(&buf); } -static void wt_status_print_verbose(struct wt_status *s) +static void wt_longstatus_print_verbose(struct wt_status *s) { struct rev_info rev; struct setup_revision_opt opt; @@ -878,7 +935,7 @@ static void wt_status_print_verbose(struct wt_status *s) if (s->verbose > 1 && s->commitable) { /* print_updated() printed a header, so do we */ if (s->fp != stdout) - wt_status_print_trailer(s); + wt_longstatus_print_trailer(s); status_printf_ln(s, c, _("Changes to be committed:")); rev.diffopt.a_prefix = "c/"; rev.diffopt.b_prefix = "i/"; @@ -896,7 +953,7 @@ static void wt_status_print_verbose(struct wt_status *s) } } -static void wt_status_print_tracking(struct wt_status *s) +static void wt_longstatus_print_tracking(struct wt_status *s) { struct strbuf sb = STRBUF_INIT; const char *cp, *ep, *branch_name; @@ -962,7 +1019,7 @@ static void show_merge_in_progress(struct wt_status *s, status_printf_ln(s, color, _(" (use \"git commit\" to conclude merge)")); } - wt_status_print_trailer(s); + wt_longstatus_print_trailer(s); } static void show_am_in_progress(struct wt_status *s, @@ -983,7 +1040,7 @@ static void show_am_in_progress(struct wt_status *s, status_printf_ln(s, color, _(" (use \"git am --abort\" to restore the original branch)")); } - wt_status_print_trailer(s); + wt_longstatus_print_trailer(s); } static char *read_line_from_git_path(const char *filename) @@ -1207,7 +1264,7 @@ static void show_rebase_in_progress(struct wt_status *s, _(" (use \"git rebase --continue\" once you are satisfied with your changes)")); } } - wt_status_print_trailer(s); + wt_longstatus_print_trailer(s); } static void show_cherry_pick_in_progress(struct wt_status *s, @@ -1226,7 +1283,7 @@ static void show_cherry_pick_in_progress(struct wt_status *s, status_printf_ln(s, color, _(" (use \"git cherry-pick --abort\" to cancel the cherry-pick operation)")); } - wt_status_print_trailer(s); + wt_longstatus_print_trailer(s); } static void show_revert_in_progress(struct wt_status *s, @@ -1245,7 +1302,7 @@ static void show_revert_in_progress(struct wt_status *s, status_printf_ln(s, color, _(" (use \"git revert --abort\" to cancel the revert operation)")); } - wt_status_print_trailer(s); + wt_longstatus_print_trailer(s); } static void show_bisect_in_progress(struct wt_status *s, @@ -1262,7 +1319,7 @@ static void show_bisect_in_progress(struct wt_status *s, if (s->hints) status_printf_ln(s, color, _(" (use \"git bisect reset\" to get back to the original branch)")); - wt_status_print_trailer(s); + wt_longstatus_print_trailer(s); } /* @@ -1432,8 +1489,8 @@ void wt_status_get_state(struct wt_status_state *state, wt_status_get_detached_from(state); } -static void wt_status_print_state(struct wt_status *s, - struct wt_status_state *state) +static void wt_longstatus_print_state(struct wt_status *s, + struct wt_status_state *state) { const char *state_color = color(WT_STATUS_HEADER, s); if (state->merge_in_progress) @@ -1450,7 +1507,7 @@ static void wt_status_print_state(struct wt_status *s, show_bisect_in_progress(s, state, state_color); } -void wt_status_print(struct wt_status *s) +static void wt_longstatus_print(struct wt_status *s) { const char *branch_color = color(WT_STATUS_ONBRANCH, s); const char *branch_status_color = color(WT_STATUS_HEADER, s); @@ -1487,10 +1544,10 @@ void wt_status_print(struct wt_status *s) status_printf_more(s, branch_status_color, "%s", on_what); status_printf_more(s, branch_color, "%s\n", branch_name); if (!s->is_initial) - wt_status_print_tracking(s); + wt_longstatus_print_tracking(s); } - wt_status_print_state(s, &state); + wt_longstatus_print_state(s, &state); free(state.branch); free(state.onto); free(state.detached_from); @@ -1501,19 +1558,19 @@ void wt_status_print(struct wt_status *s) status_printf_ln(s, color(WT_STATUS_HEADER, s), "%s", ""); } - wt_status_print_updated(s); - wt_status_print_unmerged(s); - wt_status_print_changed(s); + wt_longstatus_print_updated(s); + wt_longstatus_print_unmerged(s); + wt_longstatus_print_changed(s); if (s->submodule_summary && (!s->ignore_submodule_arg || strcmp(s->ignore_submodule_arg, "all"))) { - wt_status_print_submodule_summary(s, 0); /* staged */ - wt_status_print_submodule_summary(s, 1); /* unstaged */ + wt_longstatus_print_submodule_summary(s, 0); /* staged */ + wt_longstatus_print_submodule_summary(s, 1); /* unstaged */ } if (s->show_untracked_files) { - wt_status_print_other(s, &s->untracked, _("Untracked files"), "add"); + wt_longstatus_print_other(s, &s->untracked, _("Untracked files"), "add"); if (s->show_ignored_files) - wt_status_print_other(s, &s->ignored, _("Ignored files"), "add -f"); + wt_longstatus_print_other(s, &s->ignored, _("Ignored files"), "add -f"); if (advice_status_u_option && 2000 < s->untracked_in_ms) { status_printf_ln(s, GIT_COLOR_NORMAL, "%s", ""); status_printf_ln(s, GIT_COLOR_NORMAL, @@ -1528,7 +1585,7 @@ void wt_status_print(struct wt_status *s) ? _(" (use -u option to show untracked files)") : ""); if (s->verbose) - wt_status_print_verbose(s); + wt_longstatus_print_verbose(s); if (!s->commitable) { if (s->amend) status_printf_ln(s, GIT_COLOR_NORMAL, _("No changes")); @@ -1717,7 +1774,7 @@ static void wt_shortstatus_print_tracking(struct wt_status *s) fputc(s->null_termination ? '\0' : '\n', s->fp); } -void wt_shortstatus_print(struct wt_status *s) +static void wt_shortstatus_print(struct wt_status *s) { int i; @@ -1749,7 +1806,7 @@ void wt_shortstatus_print(struct wt_status *s) } } -void wt_porcelain_print(struct wt_status *s) +static void wt_porcelain_print(struct wt_status *s) { s->use_color = 0; s->relative_paths = 0; @@ -1757,3 +1814,398 @@ void wt_porcelain_print(struct wt_status *s) s->no_gettext = 1; wt_shortstatus_print(s); } + +/* + * Print branch information for porcelain v2 output. These lines + * are printed when the '--branch' parameter is given. + * + * # branch.oid <commit><eol> + * # branch.head <head><eol> + * [# branch.upstream <upstream><eol> + * [# branch.ab +<ahead> -<behind><eol>]] + * + * <commit> ::= the current commit hash or the the literal + * "(initial)" to indicate an initialized repo + * with no commits. + * + * <head> ::= <branch_name> the current branch name or + * "(detached)" literal when detached head or + * "(unknown)" when something is wrong. + * + * <upstream> ::= the upstream branch name, when set. + * + * <ahead> ::= integer ahead value, when upstream set + * and the commit is present (not gone). + * + * <behind> ::= integer behind value, when upstream set + * and commit is present. + * + * + * The end-of-line is defined by the -z flag. + * + * <eol> ::= NUL when -z, + * LF when NOT -z. + * + */ +static void wt_porcelain_v2_print_tracking(struct wt_status *s) +{ + struct branch *branch; + const char *base; + const char *branch_name; + struct wt_status_state state; + int ab_info, nr_ahead, nr_behind; + char eol = s->null_termination ? '\0' : '\n'; + + memset(&state, 0, sizeof(state)); + wt_status_get_state(&state, s->branch && !strcmp(s->branch, "HEAD")); + + fprintf(s->fp, "# branch.oid %s%c", + (s->is_initial ? "(initial)" : sha1_to_hex(s->sha1_commit)), + eol); + + if (!s->branch) + fprintf(s->fp, "# branch.head %s%c", "(unknown)", eol); + else { + if (!strcmp(s->branch, "HEAD")) { + fprintf(s->fp, "# branch.head %s%c", "(detached)", eol); + + if (state.rebase_in_progress || state.rebase_interactive_in_progress) + branch_name = state.onto; + else if (state.detached_from) + branch_name = state.detached_from; + else + branch_name = ""; + } else { + branch_name = NULL; + skip_prefix(s->branch, "refs/heads/", &branch_name); + + fprintf(s->fp, "# branch.head %s%c", branch_name, eol); + } + + /* Lookup stats on the upstream tracking branch, if set. */ + branch = branch_get(branch_name); + base = NULL; + ab_info = (stat_tracking_info(branch, &nr_ahead, &nr_behind, &base) == 0); + if (base) { + base = shorten_unambiguous_ref(base, 0); + fprintf(s->fp, "# branch.upstream %s%c", base, eol); + free((char *)base); + + if (ab_info) + fprintf(s->fp, "# branch.ab +%d -%d%c", nr_ahead, nr_behind, eol); + } + } + + free(state.branch); + free(state.onto); + free(state.detached_from); +} + +/* + * Convert various submodule status values into a + * fixed-length string of characters in the buffer provided. + */ +static void wt_porcelain_v2_submodule_state( + struct wt_status_change_data *d, + char sub[5]) +{ + if (S_ISGITLINK(d->mode_head) || + S_ISGITLINK(d->mode_index) || + S_ISGITLINK(d->mode_worktree)) { + sub[0] = 'S'; + sub[1] = d->new_submodule_commits ? 'C' : '.'; + sub[2] = (d->dirty_submodule & DIRTY_SUBMODULE_MODIFIED) ? 'M' : '.'; + sub[3] = (d->dirty_submodule & DIRTY_SUBMODULE_UNTRACKED) ? 'U' : '.'; + } else { + sub[0] = 'N'; + sub[1] = '.'; + sub[2] = '.'; + sub[3] = '.'; + } + sub[4] = 0; +} + +/* + * Fix-up changed entries before we print them. + */ +static void wt_porcelain_v2_fix_up_changed( + struct string_list_item *it, + struct wt_status *s) +{ + struct wt_status_change_data *d = it->util; + + if (!d->index_status) { + /* + * This entry is unchanged in the index (relative to the head). + * Therefore, the collect_updated_cb was never called for this + * entry (during the head-vs-index scan) and so the head column + * fields were never set. + * + * We must have data for the index column (from the + * index-vs-worktree scan (otherwise, this entry should not be + * in the list of changes)). + * + * Copy index column fields to the head column, so that our + * output looks complete. + */ + assert(d->mode_head == 0); + d->mode_head = d->mode_index; + oidcpy(&d->oid_head, &d->oid_index); + } + + if (!d->worktree_status) { + /* + * This entry is unchanged in the worktree (relative to the index). + * Therefore, the collect_changed_cb was never called for this entry + * (during the index-vs-worktree scan) and so the worktree column + * fields were never set. + * + * We must have data for the index column (from the head-vs-index + * scan). + * + * Copy the index column fields to the worktree column so that + * our output looks complete. + * + * Note that we only have a mode field in the worktree column + * because the scan code tries really hard to not have to compute it. + */ + assert(d->mode_worktree == 0); + d->mode_worktree = d->mode_index; + } +} + +/* + * Print porcelain v2 info for tracked entries with changes. + */ +static void wt_porcelain_v2_print_changed_entry( + struct string_list_item *it, + struct wt_status *s) +{ + struct wt_status_change_data *d = it->util; + struct strbuf buf_index = STRBUF_INIT; + struct strbuf buf_head = STRBUF_INIT; + const char *path_index = NULL; + const char *path_head = NULL; + char key[3]; + char submodule_token[5]; + char sep_char, eol_char; + + wt_porcelain_v2_fix_up_changed(it, s); + wt_porcelain_v2_submodule_state(d, submodule_token); + + key[0] = d->index_status ? d->index_status : '.'; + key[1] = d->worktree_status ? d->worktree_status : '.'; + key[2] = 0; + + if (s->null_termination) { + /* + * In -z mode, we DO NOT C-quote pathnames. Current path is ALWAYS first. + * A single NUL character separates them. + */ + sep_char = '\0'; + eol_char = '\0'; + path_index = it->string; + path_head = d->head_path; + } else { + /* + * Path(s) are C-quoted if necessary. Current path is ALWAYS first. + * The source path is only present when necessary. + * A single TAB separates them (because paths can contain spaces + * which are not escaped and C-quoting does escape TAB characters). + */ + sep_char = '\t'; + eol_char = '\n'; + path_index = quote_path(it->string, s->prefix, &buf_index); + if (d->head_path) + path_head = quote_path(d->head_path, s->prefix, &buf_head); + } + + if (path_head) + fprintf(s->fp, "2 %s %s %06o %06o %06o %s %s %c%d %s%c%s%c", + key, submodule_token, + d->mode_head, d->mode_index, d->mode_worktree, + oid_to_hex(&d->oid_head), oid_to_hex(&d->oid_index), + key[0], d->score, + path_index, sep_char, path_head, eol_char); + else + fprintf(s->fp, "1 %s %s %06o %06o %06o %s %s %s%c", + key, submodule_token, + d->mode_head, d->mode_index, d->mode_worktree, + oid_to_hex(&d->oid_head), oid_to_hex(&d->oid_index), + path_index, eol_char); + + strbuf_release(&buf_index); + strbuf_release(&buf_head); +} + +/* + * Print porcelain v2 status info for unmerged entries. + */ +static void wt_porcelain_v2_print_unmerged_entry( + struct string_list_item *it, + struct wt_status *s) +{ + struct wt_status_change_data *d = it->util; + const struct cache_entry *ce; + struct strbuf buf_index = STRBUF_INIT; + const char *path_index = NULL; + int pos, stage, sum; + struct { + int mode; + struct object_id oid; + } stages[3]; + char *key; + char submodule_token[5]; + char unmerged_prefix = 'u'; + char eol_char = s->null_termination ? '\0' : '\n'; + + wt_porcelain_v2_submodule_state(d, submodule_token); + + switch (d->stagemask) { + case 1: key = "DD"; break; /* both deleted */ + case 2: key = "AU"; break; /* added by us */ + case 3: key = "UD"; break; /* deleted by them */ + case 4: key = "UA"; break; /* added by them */ + case 5: key = "DU"; break; /* deleted by us */ + case 6: key = "AA"; break; /* both added */ + case 7: key = "UU"; break; /* both modified */ + default: + die("BUG: unhandled unmerged status %x", d->stagemask); + } + + /* + * Disregard d.aux.porcelain_v2 data that we accumulated + * for the head and index columns during the scans and + * replace with the actual stage data. + * + * Note that this is a last-one-wins for each the individual + * stage [123] columns in the event of multiple cache entries + * for same stage. + */ + memset(stages, 0, sizeof(stages)); + sum = 0; + pos = cache_name_pos(it->string, strlen(it->string)); + assert(pos < 0); + pos = -pos-1; + while (pos < active_nr) { + ce = active_cache[pos++]; + stage = ce_stage(ce); + if (strcmp(ce->name, it->string) || !stage) + break; + stages[stage - 1].mode = ce->ce_mode; + hashcpy(stages[stage - 1].oid.hash, ce->oid.hash); + sum |= (1 << (stage - 1)); + } + if (sum != d->stagemask) + die("BUG: observed stagemask 0x%x != expected stagemask 0x%x", sum, d->stagemask); + + if (s->null_termination) + path_index = it->string; + else + path_index = quote_path(it->string, s->prefix, &buf_index); + + fprintf(s->fp, "%c %s %s %06o %06o %06o %06o %s %s %s %s%c", + unmerged_prefix, key, submodule_token, + stages[0].mode, /* stage 1 */ + stages[1].mode, /* stage 2 */ + stages[2].mode, /* stage 3 */ + d->mode_worktree, + oid_to_hex(&stages[0].oid), /* stage 1 */ + oid_to_hex(&stages[1].oid), /* stage 2 */ + oid_to_hex(&stages[2].oid), /* stage 3 */ + path_index, + eol_char); + + strbuf_release(&buf_index); +} + +/* + * Print porcelain V2 status info for untracked and ignored entries. + */ +static void wt_porcelain_v2_print_other( + struct string_list_item *it, + struct wt_status *s, + char prefix) +{ + struct strbuf buf = STRBUF_INIT; + const char *path; + char eol_char; + + if (s->null_termination) { + path = it->string; + eol_char = '\0'; + } else { + path = quote_path(it->string, s->prefix, &buf); + eol_char = '\n'; + } + + fprintf(s->fp, "%c %s%c", prefix, path, eol_char); + + strbuf_release(&buf); +} + +/* + * Print porcelain V2 status. + * + * [<v2_branch>] + * [<v2_changed_items>]* + * [<v2_unmerged_items>]* + * [<v2_untracked_items>]* + * [<v2_ignored_items>]* + * + */ +static void wt_porcelain_v2_print(struct wt_status *s) +{ + struct wt_status_change_data *d; + struct string_list_item *it; + int i; + + if (s->show_branch) + wt_porcelain_v2_print_tracking(s); + + for (i = 0; i < s->change.nr; i++) { + it = &(s->change.items[i]); + d = it->util; + if (!d->stagemask) + wt_porcelain_v2_print_changed_entry(it, s); + } + + for (i = 0; i < s->change.nr; i++) { + it = &(s->change.items[i]); + d = it->util; + if (d->stagemask) + wt_porcelain_v2_print_unmerged_entry(it, s); + } + + for (i = 0; i < s->untracked.nr; i++) { + it = &(s->untracked.items[i]); + wt_porcelain_v2_print_other(it, s, '?'); + } + + for (i = 0; i < s->ignored.nr; i++) { + it = &(s->ignored.items[i]); + wt_porcelain_v2_print_other(it, s, '!'); + } +} + +void wt_status_print(struct wt_status *s) +{ + switch (s->status_format) { + case STATUS_FORMAT_SHORT: + wt_shortstatus_print(s); + break; + case STATUS_FORMAT_PORCELAIN: + wt_porcelain_print(s); + break; + case STATUS_FORMAT_PORCELAIN_V2: + wt_porcelain_v2_print(s); + break; + case STATUS_FORMAT_UNSPECIFIED: + die("BUG: finalize_deferred_config() should have been called"); + break; + case STATUS_FORMAT_NONE: + case STATUS_FORMAT_LONG: + wt_longstatus_print(s); + break; + } +} diff --git a/wt-status.h b/wt-status.h index 2ca93f6957..e401837707 100644 --- a/wt-status.h +++ b/wt-status.h @@ -38,11 +38,24 @@ struct wt_status_change_data { int worktree_status; int index_status; int stagemask; + int score; + int mode_head, mode_index, mode_worktree; + struct object_id oid_head, oid_index; char *head_path; unsigned dirty_submodule : 2; unsigned new_submodule_commits : 1; }; +enum wt_status_format { + STATUS_FORMAT_NONE = 0, + STATUS_FORMAT_LONG, + STATUS_FORMAT_SHORT, + STATUS_FORMAT_PORCELAIN, + STATUS_FORMAT_PORCELAIN_V2, + + STATUS_FORMAT_UNSPECIFIED +}; + struct wt_status { int is_initial; char *branch; @@ -66,6 +79,9 @@ struct wt_status { int show_branch; int hints; + enum wt_status_format status_format; + unsigned char sha1_commit[GIT_SHA1_RAWSZ]; /* when not Initial */ + /* These are computed during processing of the individual sections */ int commitable; int workdir_dirty; @@ -107,9 +123,6 @@ int wt_status_check_rebase(const struct worktree *wt, int wt_status_check_bisect(const struct worktree *wt, struct wt_status_state *state); -void wt_shortstatus_print(struct wt_status *s); -void wt_porcelain_print(struct wt_status *s); - __attribute__((format (printf, 3, 4))) void status_printf_ln(struct wt_status *s, const char *color, const char *fmt, ...); __attribute__((format (printf, 3, 4))) diff --git a/xdiff-interface.c b/xdiff-interface.c index f34ea762e4..3bfc69cade 100644 --- a/xdiff-interface.c +++ b/xdiff-interface.c @@ -178,20 +178,20 @@ int read_mmfile(mmfile_t *ptr, const char *filename) return 0; } -void read_mmblob(mmfile_t *ptr, const unsigned char *sha1) +void read_mmblob(mmfile_t *ptr, const struct object_id *oid) { unsigned long size; enum object_type type; - if (!hashcmp(sha1, null_sha1)) { + if (!oidcmp(oid, &null_oid)) { ptr->ptr = xstrdup(""); ptr->size = 0; return; } - ptr->ptr = read_sha1_file(sha1, &type, &size); + ptr->ptr = read_sha1_file(oid->hash, &type, &size); if (!ptr->ptr || type != OBJ_BLOB) - die("unable to read blob object %s", sha1_to_hex(sha1)); + die("unable to read blob object %s", oid_to_hex(oid)); ptr->size = size; } diff --git a/xdiff-interface.h b/xdiff-interface.h index fbb5a1c394..6f6ba9095d 100644 --- a/xdiff-interface.h +++ b/xdiff-interface.h @@ -1,6 +1,7 @@ #ifndef XDIFF_INTERFACE_H #define XDIFF_INTERFACE_H +#include "cache.h" #include "xdiff/xdiff.h" /* @@ -20,7 +21,7 @@ int parse_hunk_header(char *line, int len, int *ob, int *on, int *nb, int *nn); int read_mmfile(mmfile_t *ptr, const char *filename); -void read_mmblob(mmfile_t *ptr, const unsigned char *sha1); +void read_mmblob(mmfile_t *ptr, const struct object_id *oid); int buffer_is_binary(const char *ptr, unsigned long size); extern void xdiff_set_find_func(xdemitconf_t *xecfg, const char *line, int cflags); |