diff options
142 files changed, 3537 insertions, 1655 deletions
diff --git a/.gitignore b/.gitignore index dc600f9b36..42294e59a1 100644 --- a/.gitignore +++ b/.gitignore @@ -226,6 +226,7 @@ /config.mak.autogen /config.mak.append /configure +/unicode /tags /TAGS /cscope* diff --git a/Documentation/CodingGuidelines b/Documentation/CodingGuidelines index f424dbd75c..4d90c77c7b 100644 --- a/Documentation/CodingGuidelines +++ b/Documentation/CodingGuidelines @@ -18,6 +18,14 @@ code. For Git in general, three rough rules are: judgement call, the decision based more on real world constraints people face than what the paper standard says. + - Fixing style violations while working on a real change as a + preparatory clean-up step is good, but otherwise avoid useless code + churn for the sake of conforming to the style. + + "Once it _is_ in the tree, it's not really worth the patch noise to + go and fix it up." + Cf. http://article.gmane.org/gmane.linux.kernel/943020 + Make your code readable and sensible, and don't try to be clever. As for more concrete guidelines, just imitate the existing code @@ -34,7 +42,17 @@ For shell scripts specifically (not exhaustive): - We use tabs for indentation. - - Case arms are indented at the same depth as case and esac lines. + - Case arms are indented at the same depth as case and esac lines, + like this: + + case "$variable" in + pattern1) + do this + ;; + pattern2) + do that + ;; + esac - Redirection operators should be written with space before, but no space after them. In other words, write 'echo test >"$file"' @@ -43,6 +61,14 @@ For shell scripts specifically (not exhaustive): redirection target in a variable (as shown above), our code does so because some versions of bash issue a warning without the quotes. + (incorrect) + cat hello > world < universe + echo hello >$world + + (correct) + cat hello >world <universe + echo hello >"$world" + - We prefer $( ... ) for command substitution; unlike ``, it properly nests. It should have been the way Bourne spelled it from day one, but unfortunately isn't. @@ -81,14 +107,33 @@ For shell scripts specifically (not exhaustive): "then" should be on the next line for if statements, and "do" should be on the next line for "while" and "for". + (incorrect) + if test -f hello; then + do this + fi + + (correct) + if test -f hello + then + do this + fi + - We prefer "test" over "[ ... ]". - We do not write the noiseword "function" in front of shell functions. - - We prefer a space between the function name and the parentheses. The - opening "{" should also be on the same line. - E.g.: my_function () { + - We prefer a space between the function name and the parentheses, + and no space inside the parentheses. The opening "{" should also + be on the same line. + + (incorrect) + my_function(){ + ... + + (correct) + my_function () { + ... - As to use of grep, stick to a subset of BRE (namely, no \{m,n\}, [::], [==], or [..]) for portability. @@ -106,6 +151,19 @@ For shell scripts specifically (not exhaustive): interface translatable. See "Marking strings for translation" in po/README. + - We do not write our "test" command with "-a" and "-o" and use "&&" + or "||" to concatenate multiple "test" commands instead, because + the use of "-a/-o" is often error-prone. E.g. + + test -n "$x" -a "$a" = "$b" + + is buggy and breaks when $x is "=", but + + test -n "$x" && test "$a" = "$b" + + does not have such a problem. + + For C programs: - We use tabs to indent, and interpret tabs as taking up to @@ -149,7 +207,7 @@ For C programs: of "else if" statements, it can make sense to add braces to single line blocks. - - We try to avoid assignments inside if(). + - We try to avoid assignments in the condition of an "if" statement. - Try to make your code understandable. You may put comments in, but comments invariably tend to stale out when the code @@ -177,6 +235,88 @@ For C programs: - Double negation is often harder to understand than no negation at all. + - There are two schools of thought when it comes to comparison, + especially inside a loop. Some people prefer to have the less stable + value on the left hand side and the more stable value on the right hand + side, e.g. if you have a loop that counts variable i down to the + lower bound, + + while (i > lower_bound) { + do something; + i--; + } + + Other people prefer to have the textual order of values match the + actual order of values in their comparison, so that they can + mentally draw a number line from left to right and place these + values in order, i.e. + + while (lower_bound < i) { + do something; + i--; + } + + Both are valid, and we use both. However, the more "stable" the + stable side becomes, the more we tend to prefer the former + (comparison with a constant, "i > 0", is an extreme example). + Just do not mix styles in the same part of the code and mimic + existing styles in the neighbourhood. + + - There are two schools of thought when it comes to splitting a long + logical line into multiple lines. Some people push the second and + subsequent lines far enough to the right with tabs and align them: + + if (the_beginning_of_a_very_long_expression_that_has_to || + span_more_than_a_single_line_of || + the_source_text) { + ... + + while other people prefer to align the second and the subsequent + lines with the column immediately inside the opening parenthesis, + with tabs and spaces, following our "tabstop is always a multiple + of 8" convention: + + if (the_beginning_of_a_very_long_expression_that_has_to || + span_more_than_a_single_line_of || + the_source_text) { + ... + + Both are valid, and we use both. Again, just do not mix styles in + the same part of the code and mimic existing styles in the + neighbourhood. + + - When splitting a long logical line, some people change line before + a binary operator, so that the result looks like a parse tree when + you turn your head 90-degrees counterclockwise: + + if (the_beginning_of_a_very_long_expression_that_has_to + || span_more_than_a_single_line_of_the_source_text) { + + while other people prefer to leave the operator at the end of the + line: + + if (the_beginning_of_a_very_long_expression_that_has_to || + span_more_than_a_single_line_of_the_source_text) { + + Both are valid, but we tend to use the latter more, unless the + expression gets fairly complex, in which case the former tends to + be easier to read. Again, just do not mix styles in the same part + of the code and mimic existing styles in the neighbourhood. + + - When splitting a long logical line, with everything else being + equal, it is preferable to split after the operator at higher + level in the parse tree. That is, this is more preferable: + + if (a_very_long_variable * that_is_used_in + + a_very_long_expression) { + ... + + than + + if (a_very_long_variable * + that_is_used_in + a_very_long_expression) { + ... + - Some clever tricks, like using the !! operator with arithmetic constructs, can be extremely confusing to others. Avoid them, unless there is a compelling reason to use them. diff --git a/Documentation/RelNotes/1.9.4.txt b/Documentation/RelNotes/1.9.4.txt new file mode 100644 index 0000000000..e1d1835436 --- /dev/null +++ b/Documentation/RelNotes/1.9.4.txt @@ -0,0 +1,16 @@ +Git v1.9.4 Release Notes +======================== + +Fixes since v1.9.3 +------------------ + + * Commands that take pathspecs on the command line misbehaved when + the pathspec is given as an absolute pathname (which is a + practice not particularly encouraged) that points at a symbolic + link in the working tree. + + * An earlier fix to the shell prompt script (in contrib/) for using + the PROMPT_COMMAND interface did not correctly check if the extra + code path needs to trigger, causing the branch name not to appear + when 'promptvars' option is disabled in bash or PROMPT_SUBST is + unset in zsh. diff --git a/Documentation/RelNotes/2.0.0.txt b/Documentation/RelNotes/2.0.0.txt index b7da746add..2617372a0c 100644 --- a/Documentation/RelNotes/2.0.0.txt +++ b/Documentation/RelNotes/2.0.0.txt @@ -55,8 +55,9 @@ UI, Workflows & Features * The "multi-mail" post-receive hook (in contrib/) has been updated to a more recent version from upstream. - * The "remote-hg/bzr" remote-helper interfaces (in contrib/) are - now maintained separately as a third-party plug-in. + * The "remote-hg/bzr" remote-helper interfaces (used to be in + contrib/) are no more. They are now maintained separately as + third-party plug-ins in their own repositories. * "git gc --aggressive" learned "--depth" option and "gc.aggressiveDepth" configuration variable to allow use of a less @@ -190,12 +191,7 @@ notes for details). * The shell prompt script (in contrib/), when using the PROMPT_COMMAND interface, used an unsafe construct when showing the branch name in $PS1. - (merge 8976500 rh/prompt-pcmode-avoid-eval-on-refname later to maint). - - * The remote-helper interface to fast-import/fast-export via the - transport-helper has been tightened to avoid leaving the import - marks file from a failed/crashed run, as such a file that is out-of- - sync with reality confuses a later invocation of itself. + (merge 1e4119c8 rh/prompt-pcmode-avoid-eval-on-refname later to maint). * "git rebase" used a POSIX shell construct FreeBSD's /bin/sh does not work well with. @@ -344,7 +340,7 @@ notes for details). the pathspec is given as an absolute pathname (which is a practice not particularly encouraged) that points at a symbolic link in the working tree. - (merge later 655ee9e mw/symlinks to maint.) + (merge 6127ff6 mw/symlinks later to maint.) * "git diff --quiet -- pathspec1 pathspec2" sometimes did not return the correct status value. diff --git a/Documentation/RelNotes/2.1.0.txt b/Documentation/RelNotes/2.1.0.txt new file mode 100644 index 0000000000..ad53d0deb6 --- /dev/null +++ b/Documentation/RelNotes/2.1.0.txt @@ -0,0 +1,86 @@ +Git v2.1 Release Notes +====================== + +Updates since v2.0 +------------------ + +UI, Workflows & Features + + * "git commit --date=<date>" option learned to read from more + timestamp formats, including "--date=now". + + * "git grep" learned grep.fullname configuration variable to force + "--full-name" to be default. This may cause regressions on + scripted users that do not expect this new behaviour. + + * "git merge" without argument, even when there is an upstream + defined for the current branch, refused to run until + merge.defaultToUpstream is set to true. Flip the default of that + configuration variable to true. + + * "git mergetool" learned to drive the vimdiff3 backend. + + * mergetool.prompt used to default to 'true', always asking "do you + really want to run the tool on this path?". Among the two + purposes this prompt serves, ignore the use case to confirm that + the user wants to view particular path with the named tool, and + redefine the meaning of the prompt only to confirm the choice of + the tool made by the autodetection (for those who configured the + tool explicitly, the prompt shown for the latter purpose is + simply annoying). + + Strictly speaking, this is a backward incompatible change and the + users need to explicitly set the variable to 'true' if they want + to resurrect the now-ignored use case. + + * "git svn" learned to cope with malformed timestamps with only one + digit in the hour part, e.g. 2014-01-07T5:01:02.048176Z, emitted + by some broken subversion server implementations. + + +Performance, Internal Implementation, etc. + + * "git diff" that compares 3-or-more trees (e.g. parents and the + result of a merge) have been optimized. + + * The API to update/delete references are being converted to handle + updates to multiple references in a transactional way. As an + example, "update-ref --stdin [-z]" has been updated to use this + API. + + +Also contains various documentation updates and code clean-ups. + + +Fixes since v2.0 +---------------- + +Unless otherwise noted, all the fixes since v2.0 in the maintenance +track are contained in this release (see the maintenance releases' +notes for details). + + * "--ignore-space-change" option of "git apply" ignored the spaces + at the beginning of line too aggressively, which is inconsistent + with the option of the same name "diff" and "git diff" have. + (merge 14d3bb4 jc/apply-ignore-whitespace later to maint). + + * "git blame" miscounted number of columns needed to show localized + timestamps, resulting in jaggy left-side-edge of the source code + lines in its output. + (merge dd75553 jx/blame-align-relative-time later to maint). + + * We used to disable threaded "git index-pack" on platforms without + thread-safe pread(); use a different workaround for such + platforms to allow threaded "git index-pack". + (merge 3953949 nd/index-pack-one-fd-per-thread later to maint). + + * "git rerere forget" did not work well when merge.conflictstyle + was set to a non-default value. + (merge de3d8bb fc/rerere-conflict-style later to maint). + + * "git status", even though it is a read-only operation, tries to + update the index with refreshed lstat(2) info to optimize future + accesses to the working tree opportunistically, but this could + race with a "read-write" operation that modify the index while it + is running. Detect such a race and avoid overwriting the index. + (merge 426ddee ym/fix-opportunistic-index-update-race later to maint). diff --git a/Documentation/config.txt b/Documentation/config.txt index 553b3006c5..cd2d6514e1 100644 --- a/Documentation/config.txt +++ b/Documentation/config.txt @@ -489,7 +489,7 @@ core.deltaBaseCacheLimit:: to avoid unpacking and decompressing frequently used base objects multiple times. + -Default is 16 MiB on all platforms. This should be reasonable +Default is 96 MiB on all platforms. This should be reasonable for all users/operating systems, except on the largest projects. You probably do not need to adjust this value. + @@ -544,6 +544,9 @@ core.commentchar:: messages consider a line that begins with this character commented, and removes them after the editor returns (default '#'). ++ +If set to "auto", `git-commit` would select a character that is not +the beginning character of any line in existing commit messages. sequence.editor:: Text editor used by `git rebase -i` for editing the rebase instruction file. @@ -558,14 +561,19 @@ core.pager:: configuration, then `$PAGER`, and then the default chosen at compile time (usually 'less'). + -When the `LESS` environment variable is unset, Git sets it to `FRSX` +When the `LESS` environment variable is unset, Git sets it to `FRX` (if `LESS` environment variable is set, Git does not change it at all). If you want to selectively override Git's default setting -for `LESS`, you can set `core.pager` to e.g. `less -+S`. This will +for `LESS`, you can set `core.pager` to e.g. `less -S`. This will be passed to the shell by Git, which will translate the final -command to `LESS=FRSX less -+S`. The environment tells the command -to set the `S` option to chop long lines but the command line -resets it to the default to fold long lines. +command to `LESS=FRX less -S`. The environment does not set the +`S` option but the command line does, instructing less to truncate +long lines. Similarly, setting `core.pager` to `less -+F` will +deactivate the `F` option specified by the environment from the +command-line, deactivating the "quit if one screen" behavior of +`less`. One can specifically activate some flags for particular +commands: for example, setting `pager.blame` to `less -S` enables +line truncation only for `git blame`. + Likewise, when the `LV` environment variable is unset, Git sets it to `-c`. You can override this setting by exporting `LV` with diff --git a/Documentation/git-grep.txt b/Documentation/git-grep.txt index f83733490f..31811f16bd 100644 --- a/Documentation/git-grep.txt +++ b/Documentation/git-grep.txt @@ -53,6 +53,9 @@ grep.extendedRegexp:: option is ignored when the 'grep.patternType' option is set to a value other than 'default'. +grep.fullName:: + If set to true, enable '--full-name' option by default. + OPTIONS ------- diff --git a/Documentation/git-merge.txt b/Documentation/git-merge.txt index a3c1fa332a..cf2c374b71 100644 --- a/Documentation/git-merge.txt +++ b/Documentation/git-merge.txt @@ -101,9 +101,8 @@ commit or stash your changes before running 'git merge'. Specifying more than one commit will create a merge with more than two parents (affectionately called an Octopus merge). + -If no commit is given from the command line, and if `merge.defaultToUpstream` -configuration variable is set, merge the remote-tracking branches -that the current branch is configured to use as its upstream. +If no commit is given from the command line, merge the remote-tracking +branches that the current branch is configured to use as its upstream. See also the configuration section of this manual page. diff --git a/Documentation/git-mergetool.txt b/Documentation/git-mergetool.txt index 07137f252b..e846c2ed7f 100644 --- a/Documentation/git-mergetool.txt +++ b/Documentation/git-mergetool.txt @@ -71,11 +71,13 @@ success of the resolution after the custom tool has exited. --no-prompt:: Don't prompt before each invocation of the merge resolution program. + This is the default if the merge resolution program is + explicitly specified with the `--tool` option or with the + `merge.tool` configuration variable. --prompt:: - Prompt before each invocation of the merge resolution program. - This is the default behaviour; the option is provided to - override any configuration settings. + Prompt before each invocation of the merge resolution program + to give the user a chance to skip the path. TEMPORARY FILES --------------- diff --git a/Documentation/git-update-ref.txt b/Documentation/git-update-ref.txt index 0a0a5512b3..c8f5ae5cb3 100644 --- a/Documentation/git-update-ref.txt +++ b/Documentation/git-update-ref.txt @@ -68,7 +68,12 @@ performs all modifications together. Specify commands of the form: option SP <opt> LF Quote fields containing whitespace as if they were strings in C source -code. Alternatively, use `-z` to specify commands without quoting: +code; i.e., surrounded by double-quotes and with backslash escapes. +Use 40 "0" characters or the empty string to specify a zero value. To +specify a missing value, omit the value and its preceding SP entirely. + +Alternatively, use `-z` to specify in NUL-terminated format, without +quoting: update SP <ref> NUL <newvalue> NUL [<oldvalue>] NUL create SP <ref> NUL <newvalue> NUL @@ -76,8 +81,12 @@ code. Alternatively, use `-z` to specify commands without quoting: verify SP <ref> NUL [<oldvalue>] NUL option SP <opt> NUL -Lines of any other format or a repeated <ref> produce an error. -Command meanings are: +In this format, use 40 "0" to specify a zero value, and use the empty +string to specify a missing value. + +In either format, values can be specified in any form that Git +recognizes as an object name. Commands in any other format or a +repeated <ref> produce an error. Command meanings are: update:: Set <ref> to <newvalue> after verifying <oldvalue>, if given. @@ -102,9 +111,6 @@ option:: The only valid option is `no-deref` to avoid dereferencing a symbolic ref. -Use 40 "0" or the empty string to specify a zero value, except that -with `-z` an empty <oldvalue> is considered missing. - If all <ref>s can be locked with matching <oldvalue>s simultaneously, all modifications are performed. Otherwise, no modifications are performed. Note that while each individual diff --git a/Documentation/git.txt b/Documentation/git.txt index 55764db30a..3bd68b0167 100644 --- a/Documentation/git.txt +++ b/Documentation/git.txt @@ -43,9 +43,15 @@ unreleased) version of Git, that is available from the 'master' branch of the `git.git` repository. Documentation for older releases are available here: -* link:v1.9.3/git.html[documentation for release 1.9.3] +* link:v2.0.0/git.html[documentation for release 2.0] * release notes for + link:RelNotes/2.0.0.txt[2.0.0]. + +* link:v1.9.4/git.html[documentation for release 1.9.4] + +* release notes for + link:RelNotes/1.9.4.txt[1.9.4], link:RelNotes/1.9.3.txt[1.9.3], link:RelNotes/1.9.2.txt[1.9.2], link:RelNotes/1.9.1.txt[1.9.1], diff --git a/Documentation/revisions.txt b/Documentation/revisions.txt index 5a286d0d61..07961185fe 100644 --- a/Documentation/revisions.txt +++ b/Documentation/revisions.txt @@ -94,7 +94,9 @@ some output processing may assume ref names in UTF-8. '<branchname>@\{upstream\}', e.g. 'master@\{upstream\}', '@\{u\}':: The suffix '@\{upstream\}' to a branchname (short form '<branchname>@\{u\}') refers to the branch that the branch specified by branchname is set to build on - top of. A missing branchname defaults to the current one. + top of (configured with `branch.<name>.remote` and + `branch.<name>.merge`). A missing branchname defaults to the + current one. '<rev>{caret}', e.g. 'HEAD{caret}, v1.5.1{caret}0':: A suffix '{caret}' to a revision parameter means the first parent of diff --git a/Documentation/technical/api-builtin.txt b/Documentation/technical/api-builtin.txt index e3d6e7a79a..22a39b9299 100644 --- a/Documentation/technical/api-builtin.txt +++ b/Documentation/technical/api-builtin.txt @@ -22,11 +22,14 @@ Git: where options is the bitwise-or of: `RUN_SETUP`:: - - Make sure there is a Git directory to work on, and if there is a - work tree, chdir to the top of it if the command was invoked - in a subdirectory. If there is no work tree, no chdir() is - done. + If there is not a Git directory to work on, abort. If there + is a work tree, chdir to the top of it if the command was + invoked in a subdirectory. If there is no work tree, no + chdir() is done. + +`RUN_SETUP_GENTLY`:: + If there is a Git directory, chdir as per RUN_SETUP, otherwise, + don't chdir anywhere. `USE_PAGER`:: diff --git a/Documentation/technical/api-strbuf.txt b/Documentation/technical/api-strbuf.txt index 3350d97dda..4396be9dda 100644 --- a/Documentation/technical/api-strbuf.txt +++ b/Documentation/technical/api-strbuf.txt @@ -121,10 +121,19 @@ Functions * Related to the contents of the buffer +`strbuf_trim`:: + + Strip whitespace from the beginning and end of a string. + Equivalent to performing `strbuf_rtrim()` followed by `strbuf_ltrim()`. + `strbuf_rtrim`:: Strip whitespace from the end of a string. +`strbuf_ltrim`:: + + Strip whitespace from the beginning of a string. + `strbuf_cmp`:: Compare two buffers. Returns an integer less than, equal to, or greater diff --git a/GIT-VERSION-GEN b/GIT-VERSION-GEN index aa039b4ab2..40adbf7bf7 100755 --- a/GIT-VERSION-GEN +++ b/GIT-VERSION-GEN @@ -1,7 +1,7 @@ #!/bin/sh GVF=GIT-VERSION-FILE -DEF_VER=v2.0.0-rc4 +DEF_VER=v2.0.0.GIT LF=' ' @@ -30,6 +30,8 @@ all:: # Define LIBPCREDIR=/foo/bar if your libpcre header and library files are in # /foo/bar/include and /foo/bar/lib directories. # +# Define HAVE_ALLOCA_H if you have working alloca(3) defined in that header. +# # Define NO_CURL if you do not have libcurl installed. git-http-fetch and # git-http-push are not built, and you cannot use http:// and https:// # transports (neither smart nor dumb). @@ -183,9 +185,6 @@ all:: # Define NO_STRUCT_ITIMERVAL if you don't have struct itimerval # This also implies NO_SETITIMER # -# Define NO_THREAD_SAFE_PREAD if your pread() implementation is not -# thread-safe. (e.g. compat/pread.c or cygwin) -# # Define NO_FAST_WORKING_DIRECTORY if accessing objects in pack files is # generally faster on your platform than accessing the working directory. # @@ -730,6 +729,7 @@ LIB_H += transport.h LIB_H += tree-walk.h LIB_H += tree.h LIB_H += unpack-trees.h +LIB_H += unicode_width.h LIB_H += url.h LIB_H += urlmatch.h LIB_H += userdiff.h @@ -1111,6 +1111,10 @@ ifdef USE_LIBPCRE EXTLIBS += -lpcre endif +ifdef HAVE_ALLOCA_H + BASIC_CFLAGS += -DHAVE_ALLOCA_H +endif + ifdef NO_CURL BASIC_CFLAGS += -DNO_CURL REMOTE_CURL_PRIMARY = @@ -1339,10 +1343,6 @@ endif ifdef NO_PREAD COMPAT_CFLAGS += -DNO_PREAD COMPAT_OBJS += compat/pread.o - NO_THREAD_SAFE_PREAD = YesPlease -endif -ifdef NO_THREAD_SAFE_PREAD - BASIC_CFLAGS += -DNO_THREAD_SAFE_PREAD endif ifdef NO_FAST_WORKING_DIRECTORY BASIC_CFLAGS += -DNO_FAST_WORKING_DIRECTORY @@ -1 +1 @@ -Documentation/RelNotes/2.0.0.txt
\ No newline at end of file +Documentation/RelNotes/2.1.0.txt
\ No newline at end of file diff --git a/builtin/apply.c b/builtin/apply.c index 87439fad11..9c5724eacc 100644 --- a/builtin/apply.c +++ b/builtin/apply.c @@ -300,11 +300,13 @@ static int fuzzy_matchlines(const char *s1, size_t n1, while ((*last2 == '\r') || (*last2 == '\n')) last2--; - /* skip leading whitespace */ - while (isspace(*s1) && (s1 <= last1)) - s1++; - while (isspace(*s2) && (s2 <= last2)) - s2++; + /* 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; diff --git a/builtin/blame.c b/builtin/blame.c index 88cb799727..a52a279144 100644 --- a/builtin/blame.c +++ b/builtin/blame.c @@ -1,7 +1,8 @@ /* * Blame * - * Copyright (c) 2006, Junio C Hamano + * Copyright (c) 2006, 2014 by its authors + * See COPYING for licensing conditions */ #include "cache.h" @@ -18,7 +19,9 @@ #include "cache-tree.h" #include "string-list.h" #include "mailmap.h" +#include "mergesort.h" #include "parse-options.h" +#include "prio-queue.h" #include "utf8.h" #include "userdiff.h" #include "line-range.h" @@ -83,11 +86,42 @@ static unsigned blame_copy_score; */ struct origin { int refcnt; + /* Record preceding blame record for this blob */ struct origin *previous; + /* origins are put in a list linked via `next' hanging off the + * corresponding commit's util field in order to make finding + * them fast. The presence in this chain does not count + * towards the origin's reference count. It is tempting to + * let it count as long as the commit is pending examination, + * but even under circumstances where the commit will be + * present multiple times in the priority queue of unexamined + * commits, processing the first instance will not leave any + * work requiring the origin data for the second instance. An + * interspersed commit changing that would have to be + * preexisting with a different ancestry and with the same + * commit date in order to wedge itself between two instances + * of the same commit in the priority queue _and_ produce + * blame entries relevant for it. While we don't want to let + * us get tripped up by this case, it certainly does not seem + * worth optimizing for. + */ + struct origin *next; struct commit *commit; + /* `suspects' contains blame entries that may be attributed to + * this origin's commit or to parent commits. When a commit + * is being processed, all suspects will be moved, either by + * assigning them to an origin in a different commit, or by + * shipping them to the scoreboard's ent list because they + * cannot be attributed to a different commit. + */ + struct blame_entry *suspects; mmfile_t file; unsigned char blob_sha1[20]; unsigned mode; + /* guilty gets set when shipping any suspects to the final + * blame list instead of other commits + */ + char guilty; char path[FLEX_ARRAY]; }; @@ -176,10 +210,22 @@ static inline struct origin *origin_incref(struct origin *o) static void origin_decref(struct origin *o) { if (o && --o->refcnt <= 0) { + struct origin *p, *l = NULL; if (o->previous) origin_decref(o->previous); free(o->file.ptr); - free(o); + /* Should be present exactly once in commit chain */ + for (p = o->commit->util; p; l = p, p = p->next) { + if (p == o) { + if (l) + l->next = p->next; + else + o->commit->util = p->next; + free(o); + return; + } + } + die("internal error in blame::origin_decref"); } } @@ -193,8 +239,12 @@ static void drop_origin_blob(struct origin *o) /* * Each group of lines is described by a blame_entry; it can be split - * as we pass blame to the parents. They form a linked list in the - * scoreboard structure, sorted by the target line number. + * as we pass blame to the parents. They are arranged in linked lists + * kept as `suspects' of some unprocessed origin, or entered (when the + * blame origin has been finalized) into the scoreboard structure. + * While the scoreboard structure is only sorted at the end of + * processing (according to final image line number), the lists + * attached to an origin are sorted by the target line number. */ struct blame_entry { struct blame_entry *next; @@ -210,15 +260,6 @@ struct blame_entry { /* the commit that introduced this group into the final image */ struct origin *suspect; - /* true if the suspect is truly guilty; false while we have not - * checked if the group came from one of its parents. - */ - char guilty; - - /* true if the entry has been scanned for copies in the current parent - */ - char scanned; - /* the line number of the first line of this group in the * suspect's file; internally all line numbers are 0 based. */ @@ -231,11 +272,112 @@ struct blame_entry { }; /* + * Any merge of blames happens on lists of blames that arrived via + * different parents in a single suspect. In this case, we want to + * sort according to the suspect line numbers as opposed to the final + * image line numbers. The function body is somewhat longish because + * it avoids unnecessary writes. + */ + +static struct blame_entry *blame_merge(struct blame_entry *list1, + struct blame_entry *list2) +{ + struct blame_entry *p1 = list1, *p2 = list2, + **tail = &list1; + + if (!p1) + return p2; + if (!p2) + return p1; + + if (p1->s_lno <= p2->s_lno) { + do { + tail = &p1->next; + if ((p1 = *tail) == NULL) { + *tail = p2; + return list1; + } + } while (p1->s_lno <= p2->s_lno); + } + for (;;) { + *tail = p2; + do { + tail = &p2->next; + if ((p2 = *tail) == NULL) { + *tail = p1; + return list1; + } + } while (p1->s_lno > p2->s_lno); + *tail = p1; + do { + tail = &p1->next; + if ((p1 = *tail) == NULL) { + *tail = p2; + return list1; + } + } while (p1->s_lno <= p2->s_lno); + } +} + +static void *get_next_blame(const void *p) +{ + return ((struct blame_entry *)p)->next; +} + +static void set_next_blame(void *p1, void *p2) +{ + ((struct blame_entry *)p1)->next = p2; +} + +/* + * Final image line numbers are all different, so we don't need a + * three-way comparison here. + */ + +static int compare_blame_final(const void *p1, const void *p2) +{ + return ((struct blame_entry *)p1)->lno > ((struct blame_entry *)p2)->lno + ? 1 : -1; +} + +static int compare_blame_suspect(const void *p1, const void *p2) +{ + const struct blame_entry *s1 = p1, *s2 = p2; + /* + * to allow for collating suspects, we sort according to the + * respective pointer value as the primary sorting criterion. + * The actual relation is pretty unimportant as long as it + * establishes a total order. Comparing as integers gives us + * that. + */ + if (s1->suspect != s2->suspect) + return (intptr_t)s1->suspect > (intptr_t)s2->suspect ? 1 : -1; + if (s1->s_lno == s2->s_lno) + return 0; + return s1->s_lno > s2->s_lno ? 1 : -1; +} + +static struct blame_entry *blame_sort(struct blame_entry *head, + int (*compare_fn)(const void *, const void *)) +{ + return llist_mergesort (head, get_next_blame, set_next_blame, compare_fn); +} + +static int compare_commits_by_reverse_commit_date(const void *a, + const void *b, + void *c) +{ + return -compare_commits_by_commit_date(a, b, c); +} + +/* * The current state of the blame assignment. */ struct scoreboard { /* the final commit (i.e. where we started digging from) */ struct commit *final; + /* Priority queue for commits with unassigned blame records */ + struct prio_queue commits; struct rev_info *revs; const char *path; @@ -268,7 +410,6 @@ static void coalesce(struct scoreboard *sb) for (ent = sb->ent; ent && (next = ent->next); ent = next) { if (ent->suspect == next->suspect && - ent->guilty == next->guilty && ent->s_lno + ent->num_lines == next->s_lno) { ent->num_lines += next->num_lines; ent->next = next->next; @@ -284,6 +425,30 @@ static void coalesce(struct scoreboard *sb) } /* + * Merge the given sorted list of blames into a preexisting origin. + * If there were no previous blames to that commit, it is entered into + * the commit priority queue of the score board. + */ + +static void queue_blames(struct scoreboard *sb, struct origin *porigin, + struct blame_entry *sorted) +{ + if (porigin->suspects) + porigin->suspects = blame_merge(porigin->suspects, sorted); + else { + struct origin *o; + for (o = porigin->commit->util; o; o = o->next) { + if (o->suspects) { + porigin->suspects = sorted; + return; + } + } + porigin->suspects = sorted; + prio_queue_put(&sb->commits, porigin->commit); + } +} + +/* * Given a commit and a path in it, create a new origin structure. * The callers that add blame to the scoreboard should use * get_origin() to obtain shared, refcounted copy instead of calling @@ -295,23 +460,32 @@ static struct origin *make_origin(struct commit *commit, const char *path) o = xcalloc(1, sizeof(*o) + strlen(path) + 1); o->commit = commit; o->refcnt = 1; + o->next = commit->util; + commit->util = o; strcpy(o->path, path); return o; } /* * Locate an existing origin or create a new one. + * This moves the origin to front position in the commit util list. */ static struct origin *get_origin(struct scoreboard *sb, struct commit *commit, const char *path) { - struct blame_entry *e; + struct origin *o, *l; - for (e = sb->ent; e; e = e->next) { - if (e->suspect->commit == commit && - !strcmp(e->suspect->path, path)) - return origin_incref(e->suspect); + for (o = commit->util, l = NULL; o; l = o, o = o->next) { + if (!strcmp(o->path, path)) { + /* bump to front */ + if (l) { + l->next = o->next; + o->next = commit->util; + commit->util = o; + } + return origin_incref(o); + } } return make_origin(commit, path); } @@ -350,41 +524,19 @@ static struct origin *find_origin(struct scoreboard *sb, struct commit *parent, struct origin *origin) { - struct origin *porigin = NULL; + struct origin *porigin; struct diff_options diff_opts; const char *paths[2]; - if (parent->util) { - /* - * Each commit object can cache one origin in that - * commit. This is a freestanding copy of origin and - * not refcounted. - */ - struct origin *cached = parent->util; - if (!strcmp(cached->path, origin->path)) { + /* First check any existing origins */ + for (porigin = parent->util; porigin; porigin = porigin->next) + if (!strcmp(porigin->path, origin->path)) { /* * The same path between origin and its parent * without renaming -- the most common case. */ - porigin = get_origin(sb, parent, cached->path); - - /* - * If the origin was newly created (i.e. get_origin - * would call make_origin if none is found in the - * scoreboard), it does not know the blob_sha1/mode, - * so copy it. Otherwise porigin was in the - * scoreboard and already knows blob_sha1/mode. - */ - if (porigin->refcnt == 1) { - hashcpy(porigin->blob_sha1, cached->blob_sha1); - porigin->mode = cached->mode; - } - return porigin; + return origin_incref (porigin); } - /* otherwise it was not very useful; free it */ - free(parent->util); - parent->util = NULL; - } /* See if the origin->path is different between parent * and origin first. Most of the time they are the @@ -450,19 +602,6 @@ static struct origin *find_origin(struct scoreboard *sb, } diff_flush(&diff_opts); free_pathspec(&diff_opts.pathspec); - if (porigin) { - /* - * Create a freestanding copy that is not part of - * the refcounted origin found in the scoreboard, and - * cache it in the commit. - */ - struct origin *cached; - - cached = make_origin(porigin->commit, porigin->path); - hashcpy(cached->blob_sha1, porigin->blob_sha1); - cached->mode = porigin->mode; - parent->util = cached; - } return porigin; } @@ -509,46 +648,31 @@ static struct origin *find_rename(struct scoreboard *sb, } /* - * Link in a new blame entry to the scoreboard. Entries that cover the - * same line range have been removed from the scoreboard previously. + * Append a new blame entry to a given output queue. */ -static void add_blame_entry(struct scoreboard *sb, struct blame_entry *e) +static void add_blame_entry(struct blame_entry ***queue, struct blame_entry *e) { - struct blame_entry *ent, *prev = NULL; - origin_incref(e->suspect); - for (ent = sb->ent; ent && ent->lno < e->lno; ent = ent->next) - prev = ent; - - /* prev, if not NULL, is the last one that is below e */ - - if (prev) { - e->next = prev->next; - prev->next = e; - } - else { - e->next = sb->ent; - sb->ent = e; - } + e->next = **queue; + **queue = e; + *queue = &e->next; } /* * src typically is on-stack; we want to copy the information in it to - * a malloced blame_entry that is already on the linked list of the - * scoreboard. The origin of dst loses a refcnt while the origin of src - * gains one. + * a malloced blame_entry that gets added to the given queue. The + * origin of dst loses a refcnt. */ -static void dup_entry(struct blame_entry *dst, struct blame_entry *src) +static void dup_entry(struct blame_entry ***queue, + struct blame_entry *dst, struct blame_entry *src) { - struct blame_entry *n; - - n = dst->next; origin_incref(src->suspect); origin_decref(dst->suspect); memcpy(dst, src, sizeof(*src)); - dst->next = n; - dst->score = 0; + dst->next = **queue; + **queue = dst; + *queue = &dst->next; } static const char *nth_line(struct scoreboard *sb, long lno) @@ -620,10 +744,11 @@ static void split_overlap(struct blame_entry *split, /* * split_overlap() divided an existing blame e into up to three parts - * in split. Adjust the linked list of blames in the scoreboard to + * in split. Any assigned blame is moved to queue to * reflect the split. */ -static void split_blame(struct scoreboard *sb, +static void split_blame(struct blame_entry ***blamed, + struct blame_entry ***unblamed, struct blame_entry *split, struct blame_entry *e) { @@ -631,61 +756,39 @@ static void split_blame(struct scoreboard *sb, if (split[0].suspect && split[2].suspect) { /* The first part (reuse storage for the existing entry e) */ - dup_entry(e, &split[0]); + dup_entry(unblamed, e, &split[0]); /* The last part -- me */ new_entry = xmalloc(sizeof(*new_entry)); memcpy(new_entry, &(split[2]), sizeof(struct blame_entry)); - add_blame_entry(sb, new_entry); + add_blame_entry(unblamed, new_entry); /* ... and the middle part -- parent */ new_entry = xmalloc(sizeof(*new_entry)); memcpy(new_entry, &(split[1]), sizeof(struct blame_entry)); - add_blame_entry(sb, new_entry); + add_blame_entry(blamed, new_entry); } else if (!split[0].suspect && !split[2].suspect) /* * The parent covers the entire area; reuse storage for * e and replace it with the parent. */ - dup_entry(e, &split[1]); + dup_entry(blamed, e, &split[1]); else if (split[0].suspect) { /* me and then parent */ - dup_entry(e, &split[0]); + dup_entry(unblamed, e, &split[0]); new_entry = xmalloc(sizeof(*new_entry)); memcpy(new_entry, &(split[1]), sizeof(struct blame_entry)); - add_blame_entry(sb, new_entry); + add_blame_entry(blamed, new_entry); } else { /* parent and then me */ - dup_entry(e, &split[1]); + dup_entry(blamed, e, &split[1]); new_entry = xmalloc(sizeof(*new_entry)); memcpy(new_entry, &(split[2]), sizeof(struct blame_entry)); - add_blame_entry(sb, new_entry); - } - - if (DEBUG) { /* sanity */ - struct blame_entry *ent; - int lno = sb->ent->lno, corrupt = 0; - - for (ent = sb->ent; ent; ent = ent->next) { - if (lno != ent->lno) - corrupt = 1; - if (ent->s_lno < 0) - corrupt = 1; - lno += ent->num_lines; - } - if (corrupt) { - lno = sb->ent->lno; - for (ent = sb->ent; ent; ent = ent->next) { - printf("L %8d l %8d n %8d\n", - lno, ent->lno, ent->num_lines); - lno = ent->lno + ent->num_lines; - } - die("oops"); - } + add_blame_entry(unblamed, new_entry); } } @@ -702,74 +805,146 @@ static void decref_split(struct blame_entry *split) } /* - * Helper for blame_chunk(). blame_entry e is known to overlap with - * the patch hunk; split it and pass blame to the parent. + * reverse_blame reverses the list given in head, appending tail. + * That allows us to build lists in reverse order, then reverse them + * afterwards. This can be faster than building the list in proper + * order right away. The reason is that building in proper order + * requires writing a link in the _previous_ element, while building + * in reverse order just requires placing the list head into the + * _current_ element. */ -static void blame_overlap(struct scoreboard *sb, struct blame_entry *e, - int tlno, int plno, int same, - struct origin *parent) -{ - struct blame_entry split[3]; - - split_overlap(split, e, tlno, plno, same, parent); - if (split[1].suspect) - split_blame(sb, split, e); - decref_split(split); -} -/* - * Find the line number of the last line the target is suspected for. - */ -static int find_last_in_target(struct scoreboard *sb, struct origin *target) +static struct blame_entry *reverse_blame(struct blame_entry *head, + struct blame_entry *tail) { - struct blame_entry *e; - int last_in_target = -1; - - for (e = sb->ent; e; e = e->next) { - if (e->guilty || e->suspect != target) - continue; - if (last_in_target < e->s_lno + e->num_lines) - last_in_target = e->s_lno + e->num_lines; + while (head) { + struct blame_entry *next = head->next; + head->next = tail; + tail = head; + head = next; } - return last_in_target; + return tail; } /* * Process one hunk from the patch between the current suspect for - * blame_entry e and its parent. Find and split the overlap, and - * pass blame to the overlapping part to the parent. + * blame_entry e and its parent. This first blames any unfinished + * entries before the chunk (which is where target and parent start + * differing) on the parent, and then splits blame entries at the + * start and at the end of the difference region. Since use of -M and + * -C options may lead to overlapping/duplicate source line number + * ranges, all we can rely on from sorting/merging is the order of the + * first suspect line number. */ -static void blame_chunk(struct scoreboard *sb, - int tlno, int plno, int same, - struct origin *target, struct origin *parent) +static void blame_chunk(struct blame_entry ***dstq, struct blame_entry ***srcq, + int tlno, int offset, int same, + struct origin *parent) { - struct blame_entry *e; + struct blame_entry *e = **srcq; + struct blame_entry *samep = NULL, *diffp = NULL; - for (e = sb->ent; e; e = e->next) { - if (e->guilty || e->suspect != target) - continue; - if (same <= e->s_lno) - continue; - if (tlno < e->s_lno + e->num_lines) - blame_overlap(sb, e, tlno, plno, same, parent); + while (e && e->s_lno < tlno) { + struct blame_entry *next = e->next; + /* + * current record starts before differing portion. If + * it reaches into it, we need to split it up and + * examine the second part separately. + */ + if (e->s_lno + e->num_lines > tlno) { + /* Move second half to a new record */ + int len = tlno - e->s_lno; + struct blame_entry *n = xcalloc(1, sizeof (struct blame_entry)); + n->suspect = e->suspect; + n->lno = e->lno + len; + n->s_lno = e->s_lno + len; + n->num_lines = e->num_lines - len; + e->num_lines = len; + e->score = 0; + /* Push new record to diffp */ + n->next = diffp; + diffp = n; + } else + origin_decref(e->suspect); + /* Pass blame for everything before the differing + * chunk to the parent */ + e->suspect = origin_incref(parent); + e->s_lno += offset; + e->next = samep; + samep = e; + e = next; + } + /* + * As we don't know how much of a common stretch after this + * diff will occur, the currently blamed parts are all that we + * can assign to the parent for now. + */ + + if (samep) { + **dstq = reverse_blame(samep, **dstq); + *dstq = &samep->next; + } + /* + * Prepend the split off portions: everything after e starts + * after the blameable portion. + */ + e = reverse_blame(diffp, e); + + /* + * Now retain records on the target while parts are different + * from the parent. + */ + samep = NULL; + diffp = NULL; + while (e && e->s_lno < same) { + struct blame_entry *next = e->next; + + /* + * If current record extends into sameness, need to split. + */ + if (e->s_lno + e->num_lines > same) { + /* + * Move second half to a new record to be + * processed by later chunks + */ + int len = same - e->s_lno; + struct blame_entry *n = xcalloc(1, sizeof (struct blame_entry)); + n->suspect = origin_incref(e->suspect); + n->lno = e->lno + len; + n->s_lno = e->s_lno + len; + n->num_lines = e->num_lines - len; + e->num_lines = len; + e->score = 0; + /* Push new record to samep */ + n->next = samep; + samep = n; + } + e->next = diffp; + diffp = e; + e = next; } + **srcq = reverse_blame(diffp, reverse_blame(samep, e)); + /* Move across elements that are in the unblamable portion */ + if (diffp) + *srcq = &diffp->next; } struct blame_chunk_cb_data { - struct scoreboard *sb; - struct origin *target; struct origin *parent; - long plno; - long tlno; + long offset; + struct blame_entry **dstq; + struct blame_entry **srcq; }; +/* diff chunks are from parent to target */ static int blame_chunk_cb(long start_a, long count_a, long start_b, long count_b, void *data) { struct blame_chunk_cb_data *d = data; - blame_chunk(d->sb, d->tlno, d->plno, start_b, d->target, d->parent); - d->plno = start_a + count_a; - d->tlno = start_b + count_b; + if (start_a - start_b != d->offset) + die("internal error in blame::blame_chunk_cb"); + blame_chunk(&d->dstq, &d->srcq, start_b, start_a - start_b, + start_b + count_b, d->parent); + d->offset = start_a + count_a - (start_b + count_b); return 0; } @@ -778,29 +953,32 @@ static int blame_chunk_cb(long start_a, long count_a, * for the lines it is suspected to its parent. Run diff to find * which lines came from parent and pass blame for them. */ -static int pass_blame_to_parent(struct scoreboard *sb, - struct origin *target, - struct origin *parent) +static void pass_blame_to_parent(struct scoreboard *sb, + struct origin *target, + struct origin *parent) { - int last_in_target; mmfile_t file_p, file_o; struct blame_chunk_cb_data d; + struct blame_entry *newdest = NULL; - memset(&d, 0, sizeof(d)); - d.sb = sb; d.target = target; d.parent = parent; - last_in_target = find_last_in_target(sb, target); - if (last_in_target < 0) - return 1; /* nothing remains for this target */ + if (!target->suspects) + return; /* nothing remains for this target */ + + d.parent = parent; + d.offset = 0; + d.dstq = &newdest; d.srcq = &target->suspects; fill_origin_blob(&sb->revs->diffopt, parent, &file_p); fill_origin_blob(&sb->revs->diffopt, target, &file_o); num_get_patch++; diff_hunks(&file_p, &file_o, 0, blame_chunk_cb, &d); - /* The rest (i.e. anything after tlno) are the same as the parent */ - blame_chunk(sb, d.tlno, d.plno, last_in_target, target, parent); + /* The rest are the same as the parent */ + blame_chunk(&d.dstq, &d.srcq, INT_MAX, d.offset, INT_MAX, parent); + *d.dstq = NULL; + queue_blames(sb, parent, newdest); - return 0; + return; } /* @@ -945,43 +1123,80 @@ static void find_copy_in_blob(struct scoreboard *sb, handle_split(sb, ent, d.tlno, d.plno, ent->num_lines, parent, split); } +/* Move all blame entries from list *source that have a score smaller + * than score_min to the front of list *small. + * Returns a pointer to the link pointing to the old head of the small list. + */ + +static struct blame_entry **filter_small(struct scoreboard *sb, + struct blame_entry **small, + struct blame_entry **source, + unsigned score_min) +{ + struct blame_entry *p = *source; + struct blame_entry *oldsmall = *small; + while (p) { + if (ent_score(sb, p) <= score_min) { + *small = p; + small = &p->next; + p = *small; + } else { + *source = p; + source = &p->next; + p = *source; + } + } + *small = oldsmall; + *source = NULL; + return small; +} + /* * See if lines currently target is suspected for can be attributed to * parent. */ -static int find_move_in_parent(struct scoreboard *sb, - struct origin *target, - struct origin *parent) +static void find_move_in_parent(struct scoreboard *sb, + struct blame_entry ***blamed, + struct blame_entry **toosmall, + struct origin *target, + struct origin *parent) { - int last_in_target, made_progress; struct blame_entry *e, split[3]; + struct blame_entry *unblamed = target->suspects; + struct blame_entry *leftover = NULL; mmfile_t file_p; - last_in_target = find_last_in_target(sb, target); - if (last_in_target < 0) - return 1; /* nothing remains for this target */ + if (!unblamed) + return; /* nothing remains for this target */ fill_origin_blob(&sb->revs->diffopt, parent, &file_p); if (!file_p.ptr) - return 0; + return; - made_progress = 1; - while (made_progress) { - made_progress = 0; - for (e = sb->ent; e; e = e->next) { - if (e->guilty || e->suspect != target || - ent_score(sb, e) < blame_move_score) - continue; + /* At each iteration, unblamed has a NULL-terminated list of + * entries that have not yet been tested for blame. leftover + * contains the reversed list of entries that have been tested + * without being assignable to the parent. + */ + do { + struct blame_entry **unblamedtail = &unblamed; + struct blame_entry *next; + for (e = unblamed; e; e = next) { + next = e->next; find_copy_in_blob(sb, e, parent, split, &file_p); if (split[1].suspect && blame_move_score < ent_score(sb, &split[1])) { - split_blame(sb, split, e); - made_progress = 1; + split_blame(blamed, &unblamedtail, split, e); + } else { + e->next = leftover; + leftover = e; } decref_split(split); } - } - return 0; + *unblamedtail = NULL; + toosmall = filter_small(sb, toosmall, &unblamed, blame_move_score); + } while (unblamed); + target->suspects = reverse_blame(leftover, NULL); } struct blame_list { @@ -993,62 +1208,46 @@ struct blame_list { * Count the number of entries the target is suspected for, * and prepare a list of entry and the best split. */ -static struct blame_list *setup_blame_list(struct scoreboard *sb, - struct origin *target, - int min_score, +static struct blame_list *setup_blame_list(struct blame_entry *unblamed, int *num_ents_p) { struct blame_entry *e; int num_ents, i; struct blame_list *blame_list = NULL; - for (e = sb->ent, num_ents = 0; e; e = e->next) - if (!e->scanned && !e->guilty && - e->suspect == target && - min_score < ent_score(sb, e)) - num_ents++; + for (e = unblamed, num_ents = 0; e; e = e->next) + num_ents++; if (num_ents) { blame_list = xcalloc(num_ents, sizeof(struct blame_list)); - for (e = sb->ent, i = 0; e; e = e->next) - if (!e->scanned && !e->guilty && - e->suspect == target && - min_score < ent_score(sb, e)) - blame_list[i++].ent = e; + for (e = unblamed, i = 0; e; e = e->next) + blame_list[i++].ent = e; } *num_ents_p = num_ents; return blame_list; } /* - * Reset the scanned status on all entries. - */ -static void reset_scanned_flag(struct scoreboard *sb) -{ - struct blame_entry *e; - for (e = sb->ent; e; e = e->next) - e->scanned = 0; -} - -/* * For lines target is suspected for, see if we can find code movement * across file boundary from the parent commit. porigin is the path * in the parent we already tried. */ -static int find_copy_in_parent(struct scoreboard *sb, - struct origin *target, - struct commit *parent, - struct origin *porigin, - int opt) +static void find_copy_in_parent(struct scoreboard *sb, + struct blame_entry ***blamed, + struct blame_entry **toosmall, + struct origin *target, + struct commit *parent, + struct origin *porigin, + int opt) { struct diff_options diff_opts; int i, j; - int retval; struct blame_list *blame_list; int num_ents; + struct blame_entry *unblamed = target->suspects; + struct blame_entry *leftover = NULL; - blame_list = setup_blame_list(sb, target, blame_copy_score, &num_ents); - if (!blame_list) - return 1; /* nothing remains for this target */ + if (!unblamed) + return; /* nothing remains for this target */ diff_setup(&diff_opts); DIFF_OPT_SET(&diff_opts, RECURSIVE); @@ -1078,9 +1277,9 @@ static int find_copy_in_parent(struct scoreboard *sb, if (!DIFF_OPT_TST(&diff_opts, FIND_COPIES_HARDER)) diffcore_std(&diff_opts); - retval = 0; - while (1) { - int made_progress = 0; + do { + struct blame_entry **unblamedtail = &unblamed; + blame_list = setup_blame_list(unblamed, &num_ents); for (i = 0; i < diff_queued_diff.nr; i++) { struct diff_filepair *p = diff_queued_diff.queue[i]; @@ -1117,27 +1316,21 @@ static int find_copy_in_parent(struct scoreboard *sb, struct blame_entry *split = blame_list[j].split; if (split[1].suspect && blame_copy_score < ent_score(sb, &split[1])) { - split_blame(sb, split, blame_list[j].ent); - made_progress = 1; + split_blame(blamed, &unblamedtail, split, + blame_list[j].ent); + } else { + blame_list[j].ent->next = leftover; + leftover = blame_list[j].ent; } - else - blame_list[j].ent->scanned = 1; decref_split(split); } free(blame_list); - - if (!made_progress) - break; - blame_list = setup_blame_list(sb, target, blame_copy_score, &num_ents); - if (!blame_list) { - retval = 1; - break; - } - } - reset_scanned_flag(sb); + *unblamedtail = NULL; + toosmall = filter_small(sb, toosmall, &unblamed, blame_copy_score); + } while (unblamed); + target->suspects = reverse_blame(leftover, NULL); diff_flush(&diff_opts); free_pathspec(&diff_opts.pathspec); - return retval; } /* @@ -1147,20 +1340,21 @@ static int find_copy_in_parent(struct scoreboard *sb, static void pass_whole_blame(struct scoreboard *sb, struct origin *origin, struct origin *porigin) { - struct blame_entry *e; + struct blame_entry *e, *suspects; if (!porigin->file.ptr && origin->file.ptr) { /* Steal its file */ porigin->file = origin->file; origin->file.ptr = NULL; } - for (e = sb->ent; e; e = e->next) { - if (e->suspect != origin) - continue; + suspects = origin->suspects; + origin->suspects = NULL; + for (e = suspects; e; e = e->next) { origin_incref(porigin); origin_decref(e->suspect); e->suspect = porigin; } + queue_blames(sb, porigin, suspects); } /* @@ -1184,6 +1378,27 @@ static int num_scapegoats(struct rev_info *revs, struct commit *commit) return cnt; } +/* Distribute collected unsorted blames to the respected sorted lists + * in the various origins. + */ +static void distribute_blame(struct scoreboard *sb, struct blame_entry *blamed) +{ + blamed = blame_sort(blamed, compare_blame_suspect); + while (blamed) + { + struct origin *porigin = blamed->suspect; + struct blame_entry *suspects = NULL; + do { + struct blame_entry *next = blamed->next; + blamed->next = suspects; + suspects = blamed; + blamed = next; + } while (blamed && blamed->suspect == porigin); + suspects = reverse_blame(suspects, NULL); + queue_blames(sb, porigin, suspects); + } +} + #define MAXSG 16 static void pass_blame(struct scoreboard *sb, struct origin *origin, int opt) @@ -1194,6 +1409,8 @@ static void pass_blame(struct scoreboard *sb, struct origin *origin, int opt) struct commit_list *sg; struct origin *sg_buf[MAXSG]; struct origin *porigin, **sg_origin = sg_buf; + struct blame_entry *toosmall = NULL; + struct blame_entry *blames, **blametail = &blames; num_sg = num_scapegoats(revs, commit); if (!num_sg) @@ -1255,38 +1472,71 @@ static void pass_blame(struct scoreboard *sb, struct origin *origin, int opt) origin_incref(porigin); origin->previous = porigin; } - if (pass_blame_to_parent(sb, origin, porigin)) + pass_blame_to_parent(sb, origin, porigin); + if (!origin->suspects) goto finish; } /* * Optionally find moves in parents' files. */ - if (opt & PICKAXE_BLAME_MOVE) - for (i = 0, sg = first_scapegoat(revs, commit); - i < num_sg && sg; - sg = sg->next, i++) { - struct origin *porigin = sg_origin[i]; - if (!porigin) - continue; - if (find_move_in_parent(sb, origin, porigin)) - goto finish; + if (opt & PICKAXE_BLAME_MOVE) { + filter_small(sb, &toosmall, &origin->suspects, blame_move_score); + if (origin->suspects) { + for (i = 0, sg = first_scapegoat(revs, commit); + i < num_sg && sg; + sg = sg->next, i++) { + struct origin *porigin = sg_origin[i]; + if (!porigin) + continue; + find_move_in_parent(sb, &blametail, &toosmall, origin, porigin); + if (!origin->suspects) + break; + } } + } /* * Optionally find copies from parents' files. */ - if (opt & PICKAXE_BLAME_COPY) + if (opt & PICKAXE_BLAME_COPY) { + if (blame_copy_score > blame_move_score) + filter_small(sb, &toosmall, &origin->suspects, blame_copy_score); + else if (blame_copy_score < blame_move_score) { + origin->suspects = blame_merge(origin->suspects, toosmall); + toosmall = NULL; + filter_small(sb, &toosmall, &origin->suspects, blame_copy_score); + } + if (!origin->suspects) + goto finish; + for (i = 0, sg = first_scapegoat(revs, commit); i < num_sg && sg; sg = sg->next, i++) { struct origin *porigin = sg_origin[i]; - if (find_copy_in_parent(sb, origin, sg->item, - porigin, opt)) + find_copy_in_parent(sb, &blametail, &toosmall, + origin, sg->item, porigin, opt); + if (!origin->suspects) goto finish; } + } - finish: +finish: + *blametail = NULL; + distribute_blame(sb, blames); + /* + * prepend toosmall to origin->suspects + * + * There is no point in sorting: this ends up on a big + * unsorted list in the caller anyway. + */ + if (toosmall) { + struct blame_entry **tail = &toosmall; + while (*tail) + tail = &(*tail)->next; + *tail = origin->suspects; + origin->suspects = toosmall; + } for (i = 0; i < num_sg; i++) { if (sg_origin[i]) { drop_origin_blob(sg_origin[i]); @@ -1481,14 +1731,11 @@ static int emit_one_suspect_detail(struct origin *suspect, int repeat) } /* - * The blame_entry is found to be guilty for the range. Mark it - * as such, and show it in incremental output. + * The blame_entry is found to be guilty for the range. + * Show it in incremental output. */ static void found_guilty_entry(struct blame_entry *ent) { - if (ent->guilty) - return; - ent->guilty = 1; if (incremental) { struct origin *suspect = ent->suspect; @@ -1502,32 +1749,34 @@ static void found_guilty_entry(struct blame_entry *ent) } /* - * The main loop -- while the scoreboard has lines whose true origin - * is still unknown, pick one blame_entry, and allow its current - * suspect to pass blames to its parents. - */ + * The main loop -- while we have blobs with lines whose true origin + * is still unknown, pick one blob, and allow its lines to pass blames + * to its parents. */ static void assign_blame(struct scoreboard *sb, int opt) { struct rev_info *revs = sb->revs; + struct commit *commit = prio_queue_get(&sb->commits); - while (1) { + while (commit) { struct blame_entry *ent; - struct commit *commit; - struct origin *suspect = NULL; + struct origin *suspect = commit->util; /* find one suspect to break down */ - for (ent = sb->ent; !suspect && ent; ent = ent->next) - if (!ent->guilty) - suspect = ent->suspect; - if (!suspect) - return; /* all done */ + while (suspect && !suspect->suspects) + suspect = suspect->next; + + if (!suspect) { + commit = prio_queue_get(&sb->commits); + continue; + } + + assert(commit == suspect->commit); /* * We will use this suspect later in the loop, * so hold onto it in the meantime. */ origin_incref(suspect); - commit = suspect->commit; parse_commit(commit); if (reverse || (!(commit->object.flags & UNINTERESTING) && @@ -1543,9 +1792,22 @@ static void assign_blame(struct scoreboard *sb, int opt) commit->object.flags |= UNINTERESTING; /* Take responsibility for the remaining entries */ - for (ent = sb->ent; ent; ent = ent->next) - if (ent->suspect == suspect) + ent = suspect->suspects; + if (ent) { + suspect->guilty = 1; + for (;;) { + struct blame_entry *next = ent->next; found_guilty_entry(ent); + if (next) { + ent = next; + continue; + } + ent->next = sb->ent; + sb->ent = suspect->suspects; + suspect->suspects = NULL; + break; + } + } origin_decref(suspect); if (DEBUG) /* sanity */ @@ -1556,22 +1818,29 @@ static void assign_blame(struct scoreboard *sb, int opt) static const char *format_time(unsigned long time, const char *tz_str, int show_raw_time) { - static char time_buf[128]; + static struct strbuf time_buf = STRBUF_INIT; + strbuf_reset(&time_buf); if (show_raw_time) { - snprintf(time_buf, sizeof(time_buf), "%lu %s", time, tz_str); + strbuf_addf(&time_buf, "%lu %s", time, tz_str); } else { const char *time_str; - int time_len; + size_t time_width; int tz; tz = atoi(tz_str); time_str = show_date(time, tz, blame_date_mode); - time_len = strlen(time_str); - memcpy(time_buf, time_str, time_len); - memset(time_buf + time_len, ' ', blame_date_width - time_len); + strbuf_addstr(&time_buf, time_str); + /* + * Add space paddings to time_buf to display a fixed width + * string, and use time_width for display width calibration. + */ + for (time_width = utf8_strwidth(time_str); + time_width < blame_date_width; + time_width++) + strbuf_addch(&time_buf, ' '); } - return time_buf; + return time_buf.buf; } #define OUTPUT_ANNOTATE_COMPAT 001 @@ -1602,9 +1871,8 @@ static void emit_porcelain(struct scoreboard *sb, struct blame_entry *ent, char hex[41]; strcpy(hex, sha1_to_hex(suspect->commit->object.sha1)); - printf("%s%c%d %d %d\n", + printf("%s %d %d %d\n", hex, - ent->guilty ? ' ' : '*', /* purely for debugging */ ent->s_lno + 1, ent->lno + 1, ent->num_lines); @@ -1717,17 +1985,16 @@ static void output(struct scoreboard *sb, int option) if (option & OUTPUT_PORCELAIN) { for (ent = sb->ent; ent; ent = ent->next) { - struct blame_entry *oth; - struct origin *suspect = ent->suspect; - struct commit *commit = suspect->commit; + int count = 0; + struct origin *suspect; + struct commit *commit = ent->suspect->commit; if (commit->object.flags & MORE_THAN_ONE_PATH) continue; - for (oth = ent->next; oth; oth = oth->next) { - if ((oth->suspect->commit != commit) || - !strcmp(oth->suspect->path, suspect->path)) - continue; - commit->object.flags |= MORE_THAN_ONE_PATH; - break; + for (suspect = commit->util; suspect; suspect = suspect->next) { + if (suspect->guilty && count++) { + commit->object.flags |= MORE_THAN_ONE_PATH; + break; + } } } } @@ -2088,11 +2355,9 @@ static struct commit *fake_working_tree_commit(struct diff_options *opt, if (strbuf_read(&buf, 0, 0) < 0) die_errno("failed to read from stdin"); } - 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); - commit->util = origin; /* * Read the current index, replace the path entry with @@ -2331,7 +2596,14 @@ parse_done: blame_date_width = sizeof("2006-10-19"); break; case DATE_RELATIVE: - /* "normal" is used as the fallback for "relative" */ + /* TRANSLATORS: This string is used to tell us the maximum + display width for a relative timestamp in "git blame" + output. For C locale, "4 years, 11 months ago", which + takes 22 places, is the longest among various forms of + relative timestamps, but your language may need more or + fewer display columns. */ + blame_date_width = utf8_strwidth(_("4 years, 11 months ago")) + 1; /* add the null */ + break; case DATE_LOCAL: case DATE_NORMAL: blame_date_width = sizeof("Thu Oct 19 16:00:04 2006 -0700"); @@ -2403,12 +2675,16 @@ parse_done: memset(&sb, 0, sizeof(sb)); sb.revs = &revs; - if (!reverse) + if (!reverse) { final_commit_name = prepare_final(&sb); + sb.commits.compare = compare_commits_by_commit_date; + } else if (contents_from) die("--contents and --children do not blend well."); - else + else { final_commit_name = prepare_initial(&sb); + sb.commits.compare = compare_commits_by_reverse_commit_date; + } if (!sb.final) { /* @@ -2497,12 +2773,16 @@ parse_done: ent->next = next; origin_incref(o); } + + o->suspects = ent; + prio_queue_put(&sb.commits, o->commit); + origin_decref(o); range_set_release(&ranges); string_list_clear(&range_list, 0); - sb.ent = ent; + sb.ent = NULL; sb.path = path; read_mailmap(&mailmap, NULL); @@ -2515,6 +2795,8 @@ parse_done: if (incremental) return 0; + sb.ent = blame_sort(sb.ent, compare_blame_final); + coalesce(&sb); if (!(output_option & OUTPUT_PORCELAIN)) diff --git a/builtin/checkout.c b/builtin/checkout.c index 07cf555309..f1dc56e55f 100644 --- a/builtin/checkout.c +++ b/builtin/checkout.c @@ -624,7 +624,7 @@ static void update_refs_for_switch(const struct checkout_opts *opts, /* Nothing to do. */ } else if (opts->force_detach || !new->path) { /* No longer on any branch. */ update_ref(msg.buf, "HEAD", new->commit->object.sha1, NULL, - REF_NODEREF, DIE_ON_ERR); + REF_NODEREF, UPDATE_REFS_DIE_ON_ERR); if (!opts->quiet) { if (old->path && advice_detached_head) detach_advice(new->name); @@ -651,12 +651,8 @@ static void update_refs_for_switch(const struct checkout_opts *opts, } } if (old->path && old->name) { - char log_file[PATH_MAX], ref_file[PATH_MAX]; - - git_snpath(log_file, sizeof(log_file), "logs/%s", old->path); - git_snpath(ref_file, sizeof(ref_file), "%s", old->path); - if (!file_exists(ref_file) && file_exists(log_file)) - remove_path(log_file); + if (!ref_exists(old->path) && reflog_exists(old->path)) + delete_reflog(old->path); } } remove_branch_state(); diff --git a/builtin/clone.c b/builtin/clone.c index 9b3c04d914..b12989d1ca 100644 --- a/builtin/clone.c +++ b/builtin/clone.c @@ -521,7 +521,7 @@ static void write_followtags(const struct ref *refs, const char *msg) if (!has_sha1_file(ref->old_sha1)) continue; update_ref(msg, ref->name, ref->old_sha1, - NULL, 0, DIE_ON_ERR); + NULL, 0, UPDATE_REFS_DIE_ON_ERR); } } @@ -589,14 +589,15 @@ static void update_head(const struct ref *our, const struct ref *remote, create_symref("HEAD", our->name, NULL); if (!option_bare) { const char *head = skip_prefix(our->name, "refs/heads/"); - update_ref(msg, "HEAD", our->old_sha1, NULL, 0, DIE_ON_ERR); + update_ref(msg, "HEAD", our->old_sha1, NULL, 0, + UPDATE_REFS_DIE_ON_ERR); install_branch_config(0, head, option_origin, our->name); } } else if (our) { struct commit *c = lookup_commit_reference(our->old_sha1); /* --branch specifies a non-branch (i.e. tags), detach HEAD */ update_ref(msg, "HEAD", c->object.sha1, - NULL, REF_NODEREF, DIE_ON_ERR); + NULL, REF_NODEREF, UPDATE_REFS_DIE_ON_ERR); } else if (remote) { /* * We know remote HEAD points to a non-branch, or @@ -604,7 +605,7 @@ static void update_head(const struct ref *our, const struct ref *remote, * Detach HEAD in all these cases. */ update_ref(msg, "HEAD", remote->old_sha1, - NULL, REF_NODEREF, DIE_ON_ERR); + NULL, REF_NODEREF, UPDATE_REFS_DIE_ON_ERR); } } diff --git a/builtin/commit.c b/builtin/commit.c index 9cfef6c6cc..99c2044635 100644 --- a/builtin/commit.c +++ b/builtin/commit.c @@ -526,10 +526,29 @@ static int sane_ident_split(struct ident_split *person) return 1; } +static int parse_force_date(const char *in, char *out, int len) +{ + if (len < 1) + return -1; + *out++ = '@'; + len--; + + if (parse_date(in, out, len) < 0) { + int errors = 0; + unsigned long t = approxidate_careful(in, &errors); + if (errors) + return -1; + snprintf(out, len, "%lu", t); + } + + return 0; +} + static void determine_author_info(struct strbuf *author_ident) { char *name, *email, *date; struct ident_split author; + char date_buf[64]; name = getenv("GIT_AUTHOR_NAME"); email = getenv("GIT_AUTHOR_EMAIL"); @@ -574,8 +593,12 @@ static void determine_author_info(struct strbuf *author_ident) email = xstrndup(lb + 2, rb - (lb + 2)); } - if (force_date) - date = force_date; + if (force_date) { + if (parse_force_date(force_date, date_buf, sizeof(date_buf))) + die(_("invalid date format: %s"), force_date); + date = date_buf; + } + strbuf_addstr(author_ident, fmt_ident(name, email, date, IDENT_STRICT)); if (!split_ident_line(&author, author_ident->buf, author_ident->len) && sane_ident_split(&author)) { @@ -585,13 +608,46 @@ static void determine_author_info(struct strbuf *author_ident) } } -static char *cut_ident_timestamp_part(char *string) +static void split_ident_or_die(struct ident_split *id, const struct strbuf *buf) +{ + if (split_ident_line(id, buf->buf, buf->len) || + !sane_ident_split(id)) + die(_("Malformed ident string: '%s'"), buf->buf); +} + +static int author_date_is_interesting(void) +{ + return author_message || force_date; +} + +static void adjust_comment_line_char(const struct strbuf *sb) { - char *ket = strrchr(string, '>'); - if (!ket || ket[1] != ' ') - die(_("Malformed ident string: '%s'"), string); - *++ket = '\0'; - return ket; + char candidates[] = "#;@!$%^&|:"; + char *candidate; + const char *p; + + comment_line_char = candidates[0]; + if (!memchr(sb->buf, comment_line_char, sb->len)) + return; + + p = sb->buf; + candidate = strchr(candidates, *p); + if (candidate) + *candidate = ' '; + for (p = sb->buf; *p; p++) { + if ((p[0] == '\n' || p[0] == '\r') && p[1]) { + candidate = strchr(candidates, p[1]); + if (candidate) + *candidate = ' '; + } + } + + for (p = candidates; *p == ' '; p++) + ; + if (!*p) + die(_("unable to select a comment character that is not used\n" + "in the current commit message")); + comment_line_char = *p; } static int prepare_to_commit(const char *index_file, const char *prefix, @@ -650,9 +706,8 @@ static int prepare_to_commit(const char *index_file, const char *prefix, } else if (use_message) { char *buffer; buffer = strstr(use_message_buffer, "\n\n"); - if (!use_editor && (!buffer || buffer[2] == '\0')) - die(_("commit has empty message")); - strbuf_add(&sb, buffer + 2, strlen(buffer + 2)); + if (buffer) + strbuf_add(&sb, buffer + 2, strlen(buffer + 2)); hook_arg1 = "commit"; hook_arg2 = use_message; } else if (fixup_message) { @@ -748,6 +803,8 @@ static int prepare_to_commit(const char *index_file, const char *prefix, if (fwrite(sb.buf, 1, sb.len, s->fp) < sb.len) die_errno(_("could not write commit template")); + if (auto_comment_line_char) + adjust_comment_line_char(&sb); strbuf_release(&sb); /* This checks if committer ident is explicitly given */ @@ -755,7 +812,8 @@ static int prepare_to_commit(const char *index_file, const char *prefix, if (use_editor && include_status) { int ident_shown = 0; int saved_color_setting; - char *ai_tmp, *ci_tmp; + struct ident_split ci, ai; + if (whence != FROM_COMMIT) { if (cleanup_mode == CLEANUP_SCISSORS) wt_status_add_cut_line(s->fp); @@ -795,32 +853,39 @@ static int prepare_to_commit(const char *index_file, const char *prefix, status_printf_ln(s, GIT_COLOR_NORMAL, "%s", only_include_assumed); - ai_tmp = cut_ident_timestamp_part(author_ident->buf); - ci_tmp = cut_ident_timestamp_part(committer_ident.buf); - if (strcmp(author_ident->buf, committer_ident.buf)) + split_ident_or_die(&ai, author_ident); + split_ident_or_die(&ci, &committer_ident); + + if (ident_cmp(&ai, &ci)) status_printf_ln(s, GIT_COLOR_NORMAL, _("%s" - "Author: %s"), + "Author: %.*s <%.*s>"), ident_shown++ ? "" : "\n", - author_ident->buf); + (int)(ai.name_end - ai.name_begin), ai.name_begin, + (int)(ai.mail_end - ai.mail_begin), ai.mail_begin); + + if (author_date_is_interesting()) + status_printf_ln(s, GIT_COLOR_NORMAL, + _("%s" + "Date: %s"), + ident_shown++ ? "" : "\n", + show_ident_date(&ai, DATE_NORMAL)); if (!committer_ident_sufficiently_given()) status_printf_ln(s, GIT_COLOR_NORMAL, _("%s" - "Committer: %s"), + "Committer: %.*s <%.*s>"), ident_shown++ ? "" : "\n", - committer_ident.buf); + (int)(ci.name_end - ci.name_begin), ci.name_begin, + (int)(ci.mail_end - ci.mail_begin), ci.mail_begin); if (ident_shown) - status_printf_ln(s, GIT_COLOR_NORMAL, ""); + status_printf_ln(s, GIT_COLOR_NORMAL, "%s", ""); saved_color_setting = s->use_color; s->use_color = 0; commitable = run_status(s->fp, index_file, prefix, 1, s); s->use_color = saved_color_setting; - - *ai_tmp = ' '; - *ci_tmp = ' '; } else { unsigned char sha1[20]; const char *parent = "HEAD"; @@ -1356,6 +1421,13 @@ static void print_summary(const char *prefix, const unsigned char *sha1, strbuf_addstr(&format, "\n Author: "); strbuf_addbuf_percentquote(&format, &author_ident); } + if (author_date_is_interesting()) { + struct strbuf date = STRBUF_INIT; + format_commit_message(commit, "%ad", &date, &pctx); + strbuf_addstr(&format, "\n Date: "); + strbuf_addbuf_percentquote(&format, &date); + strbuf_release(&date); + } if (!committer_ident_sufficiently_given()) { strbuf_addstr(&format, "\n Committer: "); strbuf_addbuf_percentquote(&format, &committer_ident); @@ -1672,6 +1744,10 @@ int cmd_commit(int argc, const char **argv, const char *prefix) ? NULL : current_head->object.sha1, 0, NULL); + if (!ref_lock) { + rollback_index_files(); + die(_("cannot lock HEAD ref")); + } nl = strchr(sb.buf, '\n'); if (nl) @@ -1681,10 +1757,6 @@ int cmd_commit(int argc, const char **argv, const char *prefix) strbuf_insert(&sb, 0, reflog_msg, strlen(reflog_msg)); strbuf_insert(&sb, strlen(reflog_msg), ": ", 2); - if (!ref_lock) { - rollback_index_files(); - die(_("cannot lock HEAD ref")); - } if (write_ref_sha1(ref_lock, sha1, sb.buf) < 0) { rollback_index_files(); die(_("cannot update HEAD ref")); diff --git a/builtin/grep.c b/builtin/grep.c index 69ac2d8797..c86a142f30 100644 --- a/builtin/grep.c +++ b/builtin/grep.c @@ -361,9 +361,7 @@ static void run_pager(struct grep_opt *opt, const char *prefix) argv[i] = path_list->items[i].string; argv[path_list->nr] = NULL; - if (prefix && chdir(prefix)) - die(_("Failed to chdir: %s"), prefix); - status = run_command_v_opt(argv, RUN_USING_SHELL); + status = run_command_v_opt_cd_env(argv, RUN_USING_SHELL, prefix, NULL); if (status) exit(status); free(argv); @@ -874,6 +872,9 @@ int cmd_grep(int argc, const char **argv, const char *prefix) if (len > 4 && is_dir_sep(pager[len - 5])) pager += len - 4; + if (opt.ignore_case && !strcmp("less", pager)) + string_list_append(&path_list, "-I"); + if (!strcmp("less", pager) || !strcmp("vi", pager)) { struct strbuf buf = STRBUF_INIT; strbuf_addf(&buf, "+/%s%s", diff --git a/builtin/index-pack.c b/builtin/index-pack.c index b9f6e12c0e..18f57de58b 100644 --- a/builtin/index-pack.c +++ b/builtin/index-pack.c @@ -40,17 +40,13 @@ struct base_data { int ofs_first, ofs_last; }; -#if !defined(NO_PTHREADS) && defined(NO_THREAD_SAFE_PREAD) -/* pread() emulation is not thread-safe. Disable threading. */ -#define NO_PTHREADS -#endif - struct thread_local { #ifndef NO_PTHREADS pthread_t thread; #endif struct base_data *base_cache; size_t base_cache_used; + int pack_fd; }; /* @@ -91,7 +87,8 @@ static off_t consumed_bytes; static unsigned deepest_delta; static git_SHA_CTX input_ctx; static uint32_t input_crc32; -static int input_fd, output_fd, pack_fd; +static int input_fd, output_fd; +static const char *curr_pack; #ifndef NO_PTHREADS @@ -134,6 +131,7 @@ static inline void unlock_mutex(pthread_mutex_t *mutex) */ static void init_thread(void) { + int i; init_recursive_mutex(&read_mutex); pthread_mutex_init(&counter_mutex, NULL); pthread_mutex_init(&work_mutex, NULL); @@ -141,11 +139,18 @@ static void init_thread(void) pthread_mutex_init(&deepest_delta_mutex, NULL); pthread_key_create(&key, NULL); thread_data = xcalloc(nr_threads, sizeof(*thread_data)); + for (i = 0; i < nr_threads; i++) { + thread_data[i].pack_fd = open(curr_pack, O_RDONLY); + if (thread_data[i].pack_fd == -1) + die_errno(_("unable to open %s"), curr_pack); + } + threads_active = 1; } static void cleanup_thread(void) { + int i; if (!threads_active) return; threads_active = 0; @@ -154,6 +159,8 @@ static void cleanup_thread(void) pthread_mutex_destroy(&work_mutex); if (show_stat) pthread_mutex_destroy(&deepest_delta_mutex); + for (i = 0; i < nr_threads; i++) + close(thread_data[i].pack_fd); pthread_key_delete(key); free(thread_data); } @@ -200,8 +207,13 @@ static unsigned check_object(struct object *obj) if (!(obj->flags & FLAG_CHECKED)) { unsigned long size; int type = sha1_object_info(obj->sha1, &size); - if (type != obj->type || type <= 0) - die(_("object of unexpected type")); + if (type <= 0) + die(_("did not receive expected object %s"), + sha1_to_hex(obj->sha1)); + if (type != obj->type) + die(_("object %s: expected type %s, found %s"), + sha1_to_hex(obj->sha1), + typename(obj->type), typename(type)); obj->flags |= FLAG_CHECKED; return 1; } @@ -288,13 +300,13 @@ static const char *open_pack_file(const char *pack_name) output_fd = open(pack_name, O_CREAT|O_EXCL|O_RDWR, 0600); if (output_fd < 0) die_errno(_("unable to create '%s'"), pack_name); - pack_fd = output_fd; + nothread_data.pack_fd = output_fd; } else { input_fd = open(pack_name, O_RDONLY); if (input_fd < 0) die_errno(_("cannot open packfile '%s'"), pack_name); output_fd = -1; - pack_fd = input_fd; + nothread_data.pack_fd = input_fd; } git_SHA1_Init(&input_ctx); return pack_name; @@ -542,7 +554,7 @@ static void *unpack_data(struct object_entry *obj, do { ssize_t n = (len < 64*1024) ? len : 64*1024; - n = pread(pack_fd, inbuf, n, from); + n = xpread(get_thread_data()->pack_fd, inbuf, n, from); if (n < 0) die_errno(_("cannot pread pack file")); if (!n) @@ -1490,7 +1502,7 @@ static void show_pack_info(int stat_only) int cmd_index_pack(int argc, const char **argv, const char *prefix) { int i, fix_thin_pack = 0, verify = 0, stat_only = 0; - const char *curr_pack, *curr_index; + const char *curr_index; const char *index_name = NULL, *pack_name = NULL; const char *keep_name = NULL, *keep_msg = NULL; char *index_name_buf = NULL, *keep_name_buf = NULL; diff --git a/builtin/merge.c b/builtin/merge.c index 66d8843301..428ca247bd 100644 --- a/builtin/merge.c +++ b/builtin/merge.c @@ -63,7 +63,7 @@ static int verbosity; static int allow_rerere_auto; static int abort_current_merge; static int show_progress = -1; -static int default_to_upstream; +static int default_to_upstream = 1; static const char *sign_commit; static struct strategy all_strategy[] = { @@ -398,7 +398,7 @@ static void finish(struct commit *head_commit, const char *argv_gc_auto[] = { "gc", "--auto", NULL }; update_ref(reflog_message.buf, "HEAD", new_head, head, 0, - DIE_ON_ERR); + UPDATE_REFS_DIE_ON_ERR); /* * We ignore errors in 'gc --auto', since the * user should see them. @@ -1222,7 +1222,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) die(_("%s - not something we can merge"), argv[0]); read_empty(remote_head->object.sha1, 0); update_ref("initial pull", "HEAD", remote_head->object.sha1, - NULL, 0, DIE_ON_ERR); + NULL, 0, UPDATE_REFS_DIE_ON_ERR); goto done; } else { struct strbuf merge_names = STRBUF_INIT; @@ -1339,7 +1339,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) } update_ref("updating ORIG_HEAD", "ORIG_HEAD", head_commit->object.sha1, - NULL, 0, DIE_ON_ERR); + NULL, 0, UPDATE_REFS_DIE_ON_ERR); if (remoteheads && !common) ; /* No common ancestors found. We need a real merge. */ diff --git a/builtin/mv.c b/builtin/mv.c index 2a7243f52e..180ef99127 100644 --- a/builtin/mv.c +++ b/builtin/mv.c @@ -203,7 +203,8 @@ int cmd_mv(int argc, const char **argv, const char *prefix) } } else if (cache_name_pos(src, length) < 0) bad = _("not under version control"); - else if (lstat(dst, &st) == 0) { + else if (lstat(dst, &st) == 0 && + (!ignore_case || strcasecmp(src, dst))) { bad = _("destination exists"); if (force) { /* diff --git a/builtin/notes.c b/builtin/notes.c index 39c8573cde..820c34135c 100644 --- a/builtin/notes.c +++ b/builtin/notes.c @@ -717,7 +717,7 @@ static int merge_commit(struct notes_merge_options *o) strbuf_insert(&msg, 0, "notes: ", 7); update_ref(msg.buf, o->local_ref, sha1, is_null_sha1(parent_sha1) ? NULL : parent_sha1, - 0, DIE_ON_ERR); + 0, UPDATE_REFS_DIE_ON_ERR); free_notes(t); strbuf_release(&msg); @@ -812,11 +812,11 @@ static int merge(int argc, const char **argv, const char *prefix) if (result >= 0) /* Merge resulted (trivially) in result_sha1 */ /* Update default notes ref with new commit */ update_ref(msg.buf, default_notes_ref(), result_sha1, NULL, - 0, DIE_ON_ERR); + 0, UPDATE_REFS_DIE_ON_ERR); else { /* Merge has unresolved conflicts */ /* Update .git/NOTES_MERGE_PARTIAL with partial merge result */ update_ref(msg.buf, "NOTES_MERGE_PARTIAL", result_sha1, NULL, - 0, DIE_ON_ERR); + 0, UPDATE_REFS_DIE_ON_ERR); /* Store ref-to-be-updated into .git/NOTES_MERGE_REF */ if (create_symref("NOTES_MERGE_REF", default_notes_ref(), NULL)) die("Failed to store link to current notes ref (%s)", diff --git a/builtin/reflog.c b/builtin/reflog.c index c12a9784e6..e8a8fb13b9 100644 --- a/builtin/reflog.c +++ b/builtin/reflog.c @@ -369,7 +369,7 @@ static int expire_reflog(const char *ref, const unsigned char *sha1, int unused, if (!lock) return error("cannot lock ref '%s'", ref); log_file = git_pathdup("logs/%s", ref); - if (!file_exists(log_file)) + if (!reflog_exists(ref)) goto finish; if (!cmd->dry_run) { newlog_path = git_pathdup("logs/%s.lock", ref); diff --git a/builtin/rerere.c b/builtin/rerere.c index 4e51addb3e..98eb8c5404 100644 --- a/builtin/rerere.c +++ b/builtin/rerere.c @@ -60,6 +60,8 @@ int cmd_rerere(int argc, const char **argv, const char *prefix) argc = parse_options(argc, argv, prefix, options, rerere_usage, 0); + git_config(git_xmerge_config, NULL); + if (autoupdate == 1) flags = RERERE_AUTOUPDATE; if (autoupdate == 0) diff --git a/builtin/reset.c b/builtin/reset.c index f4e087596b..f368266762 100644 --- a/builtin/reset.c +++ b/builtin/reset.c @@ -252,11 +252,13 @@ static int reset_refs(const char *rev, const unsigned char *sha1) if (!get_sha1("HEAD", sha1_orig)) { orig = sha1_orig; set_reflog_message(&msg, "updating ORIG_HEAD", NULL); - update_ref(msg.buf, "ORIG_HEAD", orig, old_orig, 0, MSG_ON_ERR); + update_ref(msg.buf, "ORIG_HEAD", orig, old_orig, 0, + UPDATE_REFS_MSG_ON_ERR); } else if (old_orig) delete_ref("ORIG_HEAD", old_orig, 0); set_reflog_message(&msg, "updating HEAD", rev); - update_ref_status = update_ref(msg.buf, "HEAD", sha1, orig, 0, MSG_ON_ERR); + update_ref_status = update_ref(msg.buf, "HEAD", sha1, orig, 0, + UPDATE_REFS_MSG_ON_ERR); strbuf_release(&msg); return update_ref_status; } diff --git a/builtin/tag.c b/builtin/tag.c index 6c7c6bde9d..c6e8a71127 100644 --- a/builtin/tag.c +++ b/builtin/tag.c @@ -80,11 +80,19 @@ static int in_commit_list(const struct commit_list *want, struct commit *c) return 0; } -static int contains_recurse(struct commit *candidate, +enum contains_result { + CONTAINS_UNKNOWN = -1, + CONTAINS_NO = 0, + CONTAINS_YES = 1, +}; + +/* + * Test whether the candidate or one of its parents is contained in the list. + * Do not recurse to find out, though, but return -1 if inconclusive. + */ +static enum contains_result contains_test(struct commit *candidate, const struct commit_list *want) { - struct commit_list *p; - /* was it previously marked as containing a want commit? */ if (candidate->object.flags & TMP_MARK) return 1; @@ -92,26 +100,78 @@ static int contains_recurse(struct commit *candidate, if (candidate->object.flags & UNINTERESTING) return 0; /* or are we it? */ - if (in_commit_list(want, candidate)) + if (in_commit_list(want, candidate)) { + candidate->object.flags |= TMP_MARK; return 1; + } if (parse_commit(candidate) < 0) return 0; - /* Otherwise recurse and mark ourselves for future traversals. */ - for (p = candidate->parents; p; p = p->next) { - if (contains_recurse(p->item, want)) { - candidate->object.flags |= TMP_MARK; - return 1; - } - } - candidate->object.flags |= UNINTERESTING; - return 0; + return -1; } -static int contains(struct commit *candidate, const struct commit_list *want) +/* + * Mimicking the real stack, this stack lives on the heap, avoiding stack + * overflows. + * + * At each recursion step, the stack items points to the commits whose + * ancestors are to be inspected. + */ +struct stack { + int nr, alloc; + struct stack_entry { + struct commit *commit; + struct commit_list *parents; + } *stack; +}; + +static void push_to_stack(struct commit *candidate, struct stack *stack) +{ + int index = stack->nr++; + ALLOC_GROW(stack->stack, stack->nr, stack->alloc); + stack->stack[index].commit = candidate; + stack->stack[index].parents = candidate->parents; +} + +static enum contains_result contains(struct commit *candidate, + const struct commit_list *want) { - return contains_recurse(candidate, want); + struct stack stack = { 0, 0, NULL }; + int result = contains_test(candidate, want); + + if (result != CONTAINS_UNKNOWN) + return result; + + push_to_stack(candidate, &stack); + while (stack.nr) { + struct stack_entry *entry = &stack.stack[stack.nr - 1]; + struct commit *commit = entry->commit; + struct commit_list *parents = entry->parents; + + if (!parents) { + commit->object.flags |= UNINTERESTING; + stack.nr--; + } + /* + * If we just popped the stack, parents->item has been marked, + * therefore contains_test will return a meaningful 0 or 1. + */ + else switch (contains_test(parents->item, want)) { + case CONTAINS_YES: + commit->object.flags |= TMP_MARK; + stack.nr--; + break; + case CONTAINS_NO: + entry->parents = parents->next; + break; + case CONTAINS_UNKNOWN: + push_to_stack(parents->item, &stack); + break; + } + } + free(stack.stack); + return contains_test(candidate, want); } static void show_tag_lines(const unsigned char *sha1, int lines) @@ -278,11 +338,11 @@ static int do_sign(struct strbuf *buffer) } static const char tag_template[] = - N_("\nWrite a tag message\n" + N_("\nWrite a message for tag:\n %s\n" "Lines starting with '%c' will be ignored.\n"); static const char tag_template_nocleanup[] = - N_("\nWrite a tag message\n" + N_("\nWrite a message for tag:\n %s\n" "Lines starting with '%c' will be kept; you may remove them" " yourself if you want to.\n"); @@ -378,9 +438,9 @@ static void create_tag(const unsigned char *object, const char *tag, struct strbuf buf = STRBUF_INIT; strbuf_addch(&buf, '\n'); if (opt->cleanup_mode == CLEANUP_ALL) - strbuf_commented_addf(&buf, _(tag_template), comment_line_char); + strbuf_commented_addf(&buf, _(tag_template), tag, comment_line_char); else - strbuf_commented_addf(&buf, _(tag_template_nocleanup), comment_line_char); + strbuf_commented_addf(&buf, _(tag_template_nocleanup), tag, comment_line_char); write_or_die(fd, buf.buf, buf.len); strbuf_release(&buf); } diff --git a/builtin/update-ref.c b/builtin/update-ref.c index 5c208bb1fc..405267f6e2 100644 --- a/builtin/update-ref.c +++ b/builtin/update-ref.c @@ -12,238 +12,329 @@ static const char * const git_update_ref_usage[] = { NULL }; -static int updates_alloc; -static int updates_count; -static const struct ref_update **updates; +static struct ref_transaction *transaction; static char line_termination = '\n'; static int update_flags; -static struct ref_update *update_alloc(void) -{ - struct ref_update *update; - - /* Allocate and zero-init a struct ref_update */ - update = xcalloc(1, sizeof(*update)); - ALLOC_GROW(updates, updates_count + 1, updates_alloc); - updates[updates_count++] = update; - - /* Store and reset accumulated options */ - update->flags = update_flags; - update_flags = 0; - - return update; -} - -static void update_store_ref_name(struct ref_update *update, - const char *ref_name) -{ - if (check_refname_format(ref_name, REFNAME_ALLOW_ONELEVEL)) - die("invalid ref format: %s", ref_name); - update->ref_name = xstrdup(ref_name); -} - -static void update_store_new_sha1(struct ref_update *update, - const char *newvalue) -{ - if (*newvalue && get_sha1(newvalue, update->new_sha1)) - die("invalid new value for ref %s: %s", - update->ref_name, newvalue); -} - -static void update_store_old_sha1(struct ref_update *update, - const char *oldvalue) -{ - if (*oldvalue && get_sha1(oldvalue, update->old_sha1)) - die("invalid old value for ref %s: %s", - update->ref_name, oldvalue); - - /* We have an old value if non-empty, or if empty without -z */ - update->have_old = *oldvalue || line_termination; -} - +/* + * Parse one whitespace- or NUL-terminated, possibly C-quoted argument + * and append the result to arg. Return a pointer to the terminator. + * Die if there is an error in how the argument is C-quoted. This + * function is only used if not -z. + */ static const char *parse_arg(const char *next, struct strbuf *arg) { - /* Parse SP-terminated, possibly C-quoted argument */ - if (*next != '"') + if (*next == '"') { + const char *orig = next; + + if (unquote_c_style(arg, next, &next)) + die("badly quoted argument: %s", orig); + if (*next && !isspace(*next)) + die("unexpected character after quoted argument: %s", orig); + } else { while (*next && !isspace(*next)) strbuf_addch(arg, *next++); - else if (unquote_c_style(arg, next, &next)) - die("badly quoted argument: %s", next); + } - /* Return position after the argument */ return next; } -static const char *parse_first_arg(const char *next, struct strbuf *arg) +/* + * Parse the reference name immediately after "command SP". If not + * -z, then handle C-quoting. Return a pointer to a newly allocated + * string containing the name of the reference, or NULL if there was + * an error. Update *next to point at the character that terminates + * the argument. Die if C-quoting is malformed or the reference name + * is invalid. + */ +static char *parse_refname(struct strbuf *input, const char **next) { - /* Parse argument immediately after "command SP" */ - strbuf_reset(arg); + struct strbuf ref = STRBUF_INIT; + if (line_termination) { /* Without -z, use the next argument */ - next = parse_arg(next, arg); + *next = parse_arg(*next, &ref); } else { - /* With -z, use rest of first NUL-terminated line */ - strbuf_addstr(arg, next); - next = next + arg->len; + /* With -z, use everything up to the next NUL */ + strbuf_addstr(&ref, *next); + *next += ref.len; } - return next; + + if (!ref.len) { + strbuf_release(&ref); + return NULL; + } + + if (check_refname_format(ref.buf, REFNAME_ALLOW_ONELEVEL)) + die("invalid ref format: %s", ref.buf); + + return strbuf_detach(&ref, NULL); } -static const char *parse_next_arg(const char *next, struct strbuf *arg) +/* + * The value being parsed is <oldvalue> (as opposed to <newvalue>; the + * difference affects which error messages are generated): + */ +#define PARSE_SHA1_OLD 0x01 + +/* + * For backwards compatibility, accept an empty string for update's + * <newvalue> in binary mode to be equivalent to specifying zeros. + */ +#define PARSE_SHA1_ALLOW_EMPTY 0x02 + +/* + * Parse an argument separator followed by the next argument, if any. + * If there is an argument, convert it to a SHA-1, write it to sha1, + * set *next to point at the character terminating the argument, and + * return 0. If there is no argument at all (not even the empty + * string), return 1 and leave *next unchanged. If the value is + * provided but cannot be converted to a SHA-1, die. flags can + * include PARSE_SHA1_OLD and/or PARSE_SHA1_ALLOW_EMPTY. + */ +static int parse_next_sha1(struct strbuf *input, const char **next, + unsigned char *sha1, + const char *command, const char *refname, + int flags) { - /* Parse next SP-terminated or NUL-terminated argument, if any */ - strbuf_reset(arg); + struct strbuf arg = STRBUF_INIT; + int ret = 0; + + if (*next == input->buf + input->len) + goto eof; + if (line_termination) { /* Without -z, consume SP and use next argument */ - if (!*next) - return NULL; - if (*next != ' ') - die("expected SP but got: %s", next); - next = parse_arg(next + 1, arg); + if (!**next || **next == line_termination) + return 1; + if (**next != ' ') + die("%s %s: expected SP but got: %s", + command, refname, *next); + (*next)++; + *next = parse_arg(*next, &arg); + if (arg.len) { + if (get_sha1(arg.buf, sha1)) + goto invalid; + } else { + /* Without -z, an empty value means all zeros: */ + hashclr(sha1); + } } else { /* With -z, read the next NUL-terminated line */ - if (*next) - die("expected NUL but got: %s", next); - if (strbuf_getline(arg, stdin, '\0') == EOF) - return NULL; - next = arg->buf + arg->len; + if (**next) + die("%s %s: expected NUL but got: %s", + command, refname, *next); + (*next)++; + if (*next == input->buf + input->len) + goto eof; + strbuf_addstr(&arg, *next); + *next += arg.len; + + if (arg.len) { + if (get_sha1(arg.buf, sha1)) + goto invalid; + } else if (flags & PARSE_SHA1_ALLOW_EMPTY) { + /* With -z, treat an empty value as all zeros: */ + warning("%s %s: missing <newvalue>, treating as zero", + command, refname); + hashclr(sha1); + } else { + /* + * With -z, an empty non-required value means + * unspecified: + */ + ret = 1; + } } - return next; + + strbuf_release(&arg); + + return ret; + + invalid: + die(flags & PARSE_SHA1_OLD ? + "%s %s: invalid <oldvalue>: %s" : + "%s %s: invalid <newvalue>: %s", + command, refname, arg.buf); + + eof: + die(flags & PARSE_SHA1_OLD ? + "%s %s: unexpected end of input when reading <oldvalue>" : + "%s %s: unexpected end of input when reading <newvalue>", + command, refname); } -static void parse_cmd_update(const char *next) + +/* + * The following five parse_cmd_*() functions parse the corresponding + * command. In each case, next points at the character following the + * command name and the following space. They each return a pointer + * to the character terminating the command, and die with an + * explanatory message if there are any parsing problems. All of + * these functions handle either text or binary format input, + * depending on how line_termination is set. + */ + +static const char *parse_cmd_update(struct strbuf *input, const char *next) { - struct strbuf ref = STRBUF_INIT; - struct strbuf newvalue = STRBUF_INIT; - struct strbuf oldvalue = STRBUF_INIT; - struct ref_update *update; + char *refname; + unsigned char new_sha1[20]; + unsigned char old_sha1[20]; + int have_old; - update = update_alloc(); + refname = parse_refname(input, &next); + if (!refname) + die("update: missing <ref>"); - if ((next = parse_first_arg(next, &ref)) != NULL && ref.buf[0]) - update_store_ref_name(update, ref.buf); - else - die("update line missing <ref>"); + if (parse_next_sha1(input, &next, new_sha1, "update", refname, + PARSE_SHA1_ALLOW_EMPTY)) + die("update %s: missing <newvalue>", refname); - if ((next = parse_next_arg(next, &newvalue)) != NULL) - update_store_new_sha1(update, newvalue.buf); - else - die("update %s missing <newvalue>", ref.buf); + have_old = !parse_next_sha1(input, &next, old_sha1, "update", refname, + PARSE_SHA1_OLD); - if ((next = parse_next_arg(next, &oldvalue)) != NULL) - update_store_old_sha1(update, oldvalue.buf); - else if(!line_termination) - die("update %s missing [<oldvalue>] NUL", ref.buf); + if (*next != line_termination) + die("update %s: extra input: %s", refname, next); - if (next && *next) - die("update %s has extra input: %s", ref.buf, next); + ref_transaction_update(transaction, refname, new_sha1, old_sha1, + update_flags, have_old); + + update_flags = 0; + free(refname); + + return next; } -static void parse_cmd_create(const char *next) +static const char *parse_cmd_create(struct strbuf *input, const char *next) { - struct strbuf ref = STRBUF_INIT; - struct strbuf newvalue = STRBUF_INIT; - struct ref_update *update; + char *refname; + unsigned char new_sha1[20]; - update = update_alloc(); - update->have_old = 1; + refname = parse_refname(input, &next); + if (!refname) + die("create: missing <ref>"); - if ((next = parse_first_arg(next, &ref)) != NULL && ref.buf[0]) - update_store_ref_name(update, ref.buf); - else - die("create line missing <ref>"); + if (parse_next_sha1(input, &next, new_sha1, "create", refname, 0)) + die("create %s: missing <newvalue>", refname); - if ((next = parse_next_arg(next, &newvalue)) != NULL) - update_store_new_sha1(update, newvalue.buf); - else - die("create %s missing <newvalue>", ref.buf); - if (is_null_sha1(update->new_sha1)) - die("create %s given zero new value", ref.buf); + if (is_null_sha1(new_sha1)) + die("create %s: zero <newvalue>", refname); + + if (*next != line_termination) + die("create %s: extra input: %s", refname, next); - if (next && *next) - die("create %s has extra input: %s", ref.buf, next); + ref_transaction_create(transaction, refname, new_sha1, update_flags); + + update_flags = 0; + free(refname); + + return next; } -static void parse_cmd_delete(const char *next) +static const char *parse_cmd_delete(struct strbuf *input, const char *next) { - struct strbuf ref = STRBUF_INIT; - struct strbuf oldvalue = STRBUF_INIT; - struct ref_update *update; + char *refname; + unsigned char old_sha1[20]; + int have_old; - update = update_alloc(); + refname = parse_refname(input, &next); + if (!refname) + die("delete: missing <ref>"); - if ((next = parse_first_arg(next, &ref)) != NULL && ref.buf[0]) - update_store_ref_name(update, ref.buf); - else - die("delete line missing <ref>"); + if (parse_next_sha1(input, &next, old_sha1, "delete", refname, + PARSE_SHA1_OLD)) { + have_old = 0; + } else { + if (is_null_sha1(old_sha1)) + die("delete %s: zero <oldvalue>", refname); + have_old = 1; + } + + if (*next != line_termination) + die("delete %s: extra input: %s", refname, next); - if ((next = parse_next_arg(next, &oldvalue)) != NULL) - update_store_old_sha1(update, oldvalue.buf); - else if(!line_termination) - die("delete %s missing [<oldvalue>] NUL", ref.buf); - if (update->have_old && is_null_sha1(update->old_sha1)) - die("delete %s given zero old value", ref.buf); + ref_transaction_delete(transaction, refname, old_sha1, + update_flags, have_old); - if (next && *next) - die("delete %s has extra input: %s", ref.buf, next); + update_flags = 0; + free(refname); + + return next; } -static void parse_cmd_verify(const char *next) +static const char *parse_cmd_verify(struct strbuf *input, const char *next) { - struct strbuf ref = STRBUF_INIT; - struct strbuf value = STRBUF_INIT; - struct ref_update *update; + char *refname; + unsigned char new_sha1[20]; + unsigned char old_sha1[20]; + int have_old; + + refname = parse_refname(input, &next); + if (!refname) + die("verify: missing <ref>"); + + if (parse_next_sha1(input, &next, old_sha1, "verify", refname, + PARSE_SHA1_OLD)) { + hashclr(new_sha1); + have_old = 0; + } else { + hashcpy(new_sha1, old_sha1); + have_old = 1; + } - update = update_alloc(); + if (*next != line_termination) + die("verify %s: extra input: %s", refname, next); - if ((next = parse_first_arg(next, &ref)) != NULL && ref.buf[0]) - update_store_ref_name(update, ref.buf); - else - die("verify line missing <ref>"); + ref_transaction_update(transaction, refname, new_sha1, old_sha1, + update_flags, have_old); - if ((next = parse_next_arg(next, &value)) != NULL) { - update_store_old_sha1(update, value.buf); - update_store_new_sha1(update, value.buf); - } else if(!line_termination) - die("verify %s missing [<oldvalue>] NUL", ref.buf); + update_flags = 0; + free(refname); - if (next && *next) - die("verify %s has extra input: %s", ref.buf, next); + return next; } -static void parse_cmd_option(const char *next) +static const char *parse_cmd_option(struct strbuf *input, const char *next) { - if (!strcmp(next, "no-deref")) + if (!strncmp(next, "no-deref", 8) && next[8] == line_termination) update_flags |= REF_NODEREF; else die("option unknown: %s", next); + return next + 8; } static void update_refs_stdin(void) { - struct strbuf cmd = STRBUF_INIT; + struct strbuf input = STRBUF_INIT; + const char *next; + if (strbuf_read(&input, 0, 1000) < 0) + die_errno("could not read from stdin"); + next = input.buf; /* Read each line dispatch its command */ - while (strbuf_getline(&cmd, stdin, line_termination) != EOF) - if (!cmd.buf[0]) + while (next < input.buf + input.len) { + if (*next == line_termination) die("empty command in input"); - else if (isspace(*cmd.buf)) - die("whitespace before command: %s", cmd.buf); - else if (starts_with(cmd.buf, "update ")) - parse_cmd_update(cmd.buf + 7); - else if (starts_with(cmd.buf, "create ")) - parse_cmd_create(cmd.buf + 7); - else if (starts_with(cmd.buf, "delete ")) - parse_cmd_delete(cmd.buf + 7); - else if (starts_with(cmd.buf, "verify ")) - parse_cmd_verify(cmd.buf + 7); - else if (starts_with(cmd.buf, "option ")) - parse_cmd_option(cmd.buf + 7); + else if (isspace(*next)) + die("whitespace before command: %s", next); + else if (starts_with(next, "update ")) + next = parse_cmd_update(&input, next + 7); + else if (starts_with(next, "create ")) + next = parse_cmd_create(&input, next + 7); + else if (starts_with(next, "delete ")) + next = parse_cmd_delete(&input, next + 7); + else if (starts_with(next, "verify ")) + next = parse_cmd_verify(&input, next + 7); + else if (starts_with(next, "option ")) + next = parse_cmd_option(&input, next + 7); else - die("unknown command: %s", cmd.buf); + die("unknown command: %s", next); + + next++; + } - strbuf_release(&cmd); + strbuf_release(&input); } int cmd_update_ref(int argc, const char **argv, const char *prefix) @@ -268,12 +359,17 @@ int cmd_update_ref(int argc, const char **argv, const char *prefix) die("Refusing to perform update with empty message."); if (read_stdin) { + int ret; + transaction = ref_transaction_begin(); + if (delete || no_deref || argc > 0) usage_with_options(git_update_ref_usage, options); if (end_null) line_termination = '\0'; update_refs_stdin(); - return update_refs(msg, updates, updates_count, DIE_ON_ERR); + ret = ref_transaction_commit(transaction, msg, + UPDATE_REFS_DIE_ON_ERR); + return ret; } if (end_null) @@ -305,5 +401,5 @@ int cmd_update_ref(int argc, const char **argv, const char *prefix) return delete_ref(refname, oldval ? oldsha1 : NULL, flags); else return update_ref(msg, refname, sha1, oldval ? oldsha1 : NULL, - flags, DIE_ON_ERR); + flags, UPDATE_REFS_DIE_ON_ERR); } @@ -75,6 +75,21 @@ unsigned long git_deflate_bound(git_zstream *, unsigned long); #define S_ISGITLINK(m) (((m) & S_IFMT) == S_IFGITLINK) /* + * Some mode bits are also used internally for computations. + * + * They *must* not overlap with any valid modes, and they *must* not be emitted + * to outside world - i.e. appear on disk or network. In other words, it's just + * temporary fields, which we internally use, but they have to stay in-house. + * + * ( such approach is valid, as standard S_IF* fits into 16 bits, and in Git + * codebase mode is `unsigned int` which is assumed to be at least 32 bits ) + */ + +/* used internally in tree-diff */ +#define S_DIFFTREE_IFXMIN_NEQ 0x80000000 + + +/* * Intensive research over the course of many years has shown that * port 9418 is totally unused by anything else. Or * @@ -279,6 +294,7 @@ struct index_state { initialized : 1; struct hashmap name_hash; struct hashmap dir_hash; + unsigned char sha1[20]; }; extern struct index_state the_index; @@ -602,6 +618,7 @@ extern int precomposed_unicode; * that is subject to stripspace. */ extern char comment_line_char; +extern int auto_comment_line_char; enum branch_track { BRANCH_TRACK_UNSPECIFIED = -1, @@ -1046,6 +1063,13 @@ struct ident_split { extern int split_ident_line(struct ident_split *, const char *, int); /* + * Like show_date, but pull the timestamp and tz parameters from + * the ident_split. It will also sanity-check the values and produce + * a well-known sentinel date if they appear bogus. + */ +const char *show_ident_date(const struct ident_split *id, enum date_mode mode); + +/* * Compare split idents for equality or strict ordering. Note that we * compare only the ident part of the line, ignoring any timestamp. * @@ -1271,8 +1295,8 @@ extern int check_repository_format_version(const char *var, const char *value, v extern int git_env_bool(const char *, int); extern int git_config_system(void); extern int config_error_nonbool(const char *); -#if defined(__GNUC__) && ! defined(__clang__) -#define config_error_nonbool(s) (config_error_nonbool(s), -1) +#if defined(__GNUC__) +#define config_error_nonbool(s) (config_error_nonbool(s), const_error()) #endif extern const char *get_log_output_encoding(void); extern const char *get_commit_output_encoding(void); @@ -1322,6 +1346,8 @@ extern void fsync_or_die(int fd, const char *); extern ssize_t read_in_full(int fd, void *buf, size_t count); extern ssize_t write_in_full(int fd, const void *buf, size_t count); +extern ssize_t pread_in_full(int fd, void *buf, size_t count, off_t offset); + static inline ssize_t write_str_in_full(int fd, const char *str) { return write_in_full(fd, str, strlen(str)); diff --git a/combine-diff.c b/combine-diff.c index 24ca7e2334..f9975d2c2e 100644 --- a/combine-diff.c +++ b/combine-diff.c @@ -1301,6 +1301,81 @@ static const char *path_path(void *obj) return path->path; } + +/* find set of paths that every parent touches */ +static struct combine_diff_path *find_paths_generic(const unsigned char *sha1, + const struct sha1_array *parents, struct diff_options *opt) +{ + struct combine_diff_path *paths = NULL; + int i, num_parent = parents->nr; + + int output_format = opt->output_format; + const char *orderfile = opt->orderfile; + + opt->output_format = DIFF_FORMAT_NO_OUTPUT; + /* tell diff_tree to emit paths in sorted (=tree) order */ + opt->orderfile = NULL; + + /* D(A,P1...Pn) = D(A,P1) ^ ... ^ D(A,Pn) (wrt paths) */ + for (i = 0; i < num_parent; i++) { + /* + * show stat against the first parent even when doing + * combined diff. + */ + int stat_opt = (output_format & + (DIFF_FORMAT_NUMSTAT|DIFF_FORMAT_DIFFSTAT)); + if (i == 0 && stat_opt) + opt->output_format = stat_opt; + else + opt->output_format = DIFF_FORMAT_NO_OUTPUT; + diff_tree_sha1(parents->sha1[i], sha1, "", opt); + diffcore_std(opt); + paths = intersect_paths(paths, i, num_parent); + + /* if showing diff, show it in requested order */ + if (opt->output_format != DIFF_FORMAT_NO_OUTPUT && + orderfile) { + diffcore_order(orderfile); + } + + diff_flush(opt); + } + + opt->output_format = output_format; + opt->orderfile = orderfile; + return paths; +} + + +/* + * find set of paths that everybody touches, assuming diff is run without + * rename/copy detection, etc, comparing all trees simultaneously (= faster). + */ +static struct combine_diff_path *find_paths_multitree( + const unsigned char *sha1, const struct sha1_array *parents, + struct diff_options *opt) +{ + int i, nparent = parents->nr; + const unsigned char **parents_sha1; + struct combine_diff_path paths_head; + struct strbuf base; + + parents_sha1 = xmalloc(nparent * sizeof(parents_sha1[0])); + for (i = 0; i < nparent; i++) + parents_sha1[i] = parents->sha1[i]; + + /* fake list head, so worker can assume it is non-NULL */ + paths_head.next = NULL; + + strbuf_init(&base, PATH_MAX); + diff_tree_paths(&paths_head, sha1, parents_sha1, nparent, &base, opt); + + strbuf_release(&base); + free(parents_sha1); + return paths_head.next; +} + + void diff_tree_combined(const unsigned char *sha1, const struct sha1_array *parents, int dense, @@ -1308,49 +1383,83 @@ void diff_tree_combined(const unsigned char *sha1, { struct diff_options *opt = &rev->diffopt; struct diff_options diffopts; - struct combine_diff_path *p, *paths = NULL; + struct combine_diff_path *p, *paths; int i, num_paths, needsep, show_log_first, num_parent = parents->nr; + int need_generic_pathscan; + + /* nothing to do, if no parents */ + if (!num_parent) + return; + + show_log_first = !!rev->loginfo && !rev->no_commit_id; + needsep = 0; + if (show_log_first) { + show_log(rev); + + if (rev->verbose_header && opt->output_format && + opt->output_format != DIFF_FORMAT_NO_OUTPUT) + printf("%s%c", diff_line_prefix(opt), + opt->line_termination); + } diffopts = *opt; copy_pathspec(&diffopts.pathspec, &opt->pathspec); - diffopts.output_format = DIFF_FORMAT_NO_OUTPUT; DIFF_OPT_SET(&diffopts, RECURSIVE); DIFF_OPT_CLR(&diffopts, ALLOW_EXTERNAL); - /* tell diff_tree to emit paths in sorted (=tree) order */ - diffopts.orderfile = NULL; - show_log_first = !!rev->loginfo && !rev->no_commit_id; - needsep = 0; - /* find set of paths that everybody touches */ - for (i = 0; i < num_parent; i++) { - /* show stat against the first parent even + /* find set of paths that everybody touches + * + * NOTE + * + * Diffcore transformations are bound to diff_filespec and logic + * comparing two entries - i.e. they do not apply directly to combine + * diff. + * + * If some of such transformations is requested - we launch generic + * path scanning, which works significantly slower compared to + * simultaneous all-trees-in-one-go scan in find_paths_multitree(). + * + * TODO some of the filters could be ported to work on + * combine_diff_paths - i.e. all functionality that skips paths, so in + * theory, we could end up having only multitree path scanning. + * + * NOTE please keep this semantically in sync with diffcore_std() + */ + need_generic_pathscan = opt->skip_stat_unmatch || + DIFF_OPT_TST(opt, FOLLOW_RENAMES) || + opt->break_opt != -1 || + opt->detect_rename || + opt->pickaxe || + opt->filter; + + + if (need_generic_pathscan) { + /* + * NOTE generic case also handles --stat, as it computes + * diff(sha1,parent_i) for all i to do the job, specifically + * for parent0. + */ + paths = find_paths_generic(sha1, parents, &diffopts); + } + else { + int stat_opt; + paths = find_paths_multitree(sha1, parents, &diffopts); + + /* + * show stat against the first parent even * when doing combined diff. */ - int stat_opt = (opt->output_format & + stat_opt = (opt->output_format & (DIFF_FORMAT_NUMSTAT|DIFF_FORMAT_DIFFSTAT)); - if (i == 0 && stat_opt) + if (stat_opt) { diffopts.output_format = stat_opt; - else - diffopts.output_format = DIFF_FORMAT_NO_OUTPUT; - diff_tree_sha1(parents->sha1[i], sha1, "", &diffopts); - diffcore_std(&diffopts); - paths = intersect_paths(paths, i, num_parent); - if (show_log_first && i == 0) { - show_log(rev); - - if (rev->verbose_header && opt->output_format) - printf("%s%c", diff_line_prefix(opt), - opt->line_termination); + diff_tree_sha1(parents->sha1[0], sha1, "", &diffopts); + diffcore_std(&diffopts); + if (opt->orderfile) + diffcore_order(opt->orderfile); + diff_flush(&diffopts); } - - /* if showing diff, show it in requested order */ - if (diffopts.output_format != DIFF_FORMAT_NO_OUTPUT && - opt->orderfile) { - diffcore_order(opt->orderfile); - } - - diff_flush(&diffopts); } /* find out number of surviving paths */ diff --git a/compat/mmap.c b/compat/mmap.c index c9d46d1742..7f662fef7b 100644 --- a/compat/mmap.c +++ b/compat/mmap.c @@ -14,7 +14,7 @@ void *git_mmap(void *start, size_t length, int prot, int flags, int fd, off_t of } while (n < length) { - ssize_t count = pread(fd, (char *)start + n, length - n, offset + n); + ssize_t count = xpread(fd, (char *)start + n, length - n, offset + n); if (count == 0) { memset((char *)start+n, 0, length-n); @@ -22,8 +22,6 @@ void *git_mmap(void *start, size_t length, int prot, int flags, int fd, off_t of } if (count < 0) { - if (errno == EAGAIN || errno == EINTR) - continue; free(start); errno = EACCES; return MAP_FAILED; diff --git a/compat/poll/poll.c b/compat/poll/poll.c index 31163f2ae7..a9b41d89f4 100644 --- a/compat/poll/poll.c +++ b/compat/poll/poll.c @@ -605,7 +605,7 @@ restart: if (!rc && timeout == INFTIM) { - SwitchToThread(); + SleepEx (1, TRUE); goto restart; } diff --git a/compat/vcbuild/include/alloca.h b/compat/win32/alloca.h index c0d7985b7e..c0d7985b7e 100644 --- a/compat/vcbuild/include/alloca.h +++ b/compat/win32/alloca.h @@ -826,9 +826,16 @@ static int git_default_core_config(const char *var, const char *value) if (!strcmp(var, "core.commentchar")) { const char *comment; int ret = git_config_string(&comment, var, value); - if (!ret) + if (ret) + return ret; + else if (!strcasecmp(comment, "auto")) + auto_comment_line_char = 1; + else if (comment[0] && !comment[1]) { comment_line_char = comment[0]; - return ret; + auto_comment_line_char = 0; + } else + return error("core.commentChar should only be one character"); + return 0; } if (!strcmp(var, "core.askpass")) @@ -1636,6 +1643,13 @@ int git_config_set_multivar_in_file(const char *config_filename, MAP_PRIVATE, in_fd, 0); close(in_fd); + if (fchmod(fd, st.st_mode & 07777) < 0) { + error("fchmod on %s failed: %s", + lock->filename, strerror(errno)); + ret = CONFIG_NO_WRITE; + goto out_free; + } + if (store.seen == 0) store.seen = 1; @@ -1784,6 +1798,7 @@ int git_config_rename_section_in_file(const char *config_filename, int out_fd; char buf[1024]; FILE *config_file; + struct stat st; if (new_name && !section_name_is_ok(new_name)) { ret = error("invalid section name: %s", new_name); @@ -1805,6 +1820,14 @@ int git_config_rename_section_in_file(const char *config_filename, goto unlock_and_out; } + fstat(fileno(config_file), &st); + + if (fchmod(out_fd, st.st_mode & 07777) < 0) { + ret = error("fchmod on %s failed: %s", + lock->filename, strerror(errno)); + goto out; + } + while (fgets(buf, sizeof(buf), config_file)) { int i; int length; diff --git a/config.mak.uname b/config.mak.uname index 23a8803656..1ae675b053 100644 --- a/config.mak.uname +++ b/config.mak.uname @@ -28,6 +28,7 @@ ifeq ($(uname_S),OSF1) NO_NSEC = YesPlease endif ifeq ($(uname_S),Linux) + HAVE_ALLOCA_H = YesPlease NO_STRLCPY = YesPlease NO_MKSTEMPS = YesPlease HAVE_PATHS_H = YesPlease @@ -35,6 +36,7 @@ ifeq ($(uname_S),Linux) HAVE_DEV_TTY = YesPlease endif ifeq ($(uname_S),GNU/kFreeBSD) + HAVE_ALLOCA_H = YesPlease NO_STRLCPY = YesPlease NO_MKSTEMPS = YesPlease HAVE_PATHS_H = YesPlease @@ -103,6 +105,7 @@ ifeq ($(uname_S),SunOS) NEEDS_NSL = YesPlease SHELL_PATH = /bin/bash SANE_TOOL_PATH = /usr/xpg6/bin:/usr/xpg4/bin + HAVE_ALLOCA_H = YesPlease NO_STRCASESTR = YesPlease NO_MEMMEM = YesPlease NO_MKDTEMP = YesPlease @@ -145,7 +148,7 @@ ifeq ($(uname_S),SunOS) endif INSTALL = /usr/ucb/install TAR = gtar - BASIC_CFLAGS += -D__EXTENSIONS__ -D__sun__ -DHAVE_ALLOCA_H + BASIC_CFLAGS += -D__EXTENSIONS__ -D__sun__ endif ifeq ($(uname_O),Cygwin) ifeq ($(shell expr "$(uname_R)" : '1\.[1-6]\.'),4) @@ -157,7 +160,6 @@ ifeq ($(uname_O),Cygwin) NO_SYMLINK_HEAD = YesPlease NO_IPV6 = YesPlease OLD_ICONV = UnfortunatelyYes - NO_THREAD_SAFE_PREAD = YesPlease # There are conflicting reports about this. # On some boxes NO_MMAP is needed, and not so elsewhere. # Try commenting this out if you suspect MMAP is more efficient @@ -165,6 +167,7 @@ ifeq ($(uname_O),Cygwin) else NO_REGEX = UnfortunatelyYes endif + HAVE_ALLOCA_H = YesPlease NEEDS_LIBICONV = YesPlease NO_FAST_WORKING_DIRECTORY = UnfortunatelyYes NO_ST_BLOCKS_IN_STRUCT_STAT = YesPlease @@ -239,6 +242,7 @@ ifeq ($(uname_S),AIX) endif ifeq ($(uname_S),GNU) # GNU/Hurd + HAVE_ALLOCA_H = YesPlease NO_STRLCPY = YesPlease NO_MKSTEMPS = YesPlease HAVE_PATHS_H = YesPlease @@ -313,6 +317,7 @@ endif ifeq ($(uname_S),Windows) GIT_VERSION := $(GIT_VERSION).MSVC pathsep = ; + HAVE_ALLOCA_H = YesPlease NO_PREAD = YesPlease NEEDS_CRYPTO_WITH_SSL = YesPlease NO_LIBGEN_H = YesPlease @@ -357,17 +362,17 @@ ifeq ($(uname_S),Windows) COMPAT_OBJS = compat/msvc.o compat/winansi.o \ compat/win32/pthread.o compat/win32/syslog.o \ compat/win32/dirent.o - COMPAT_CFLAGS = -D__USE_MINGW_ACCESS -DNOGDI -DHAVE_STRING_H -DHAVE_ALLOCA_H -Icompat -Icompat/regex -Icompat/win32 -DSTRIP_EXTENSION=\".exe\" - BASIC_LDFLAGS = -IGNORE:4217 -IGNORE:4049 -NOLOGO -SUBSYSTEM:CONSOLE -NODEFAULTLIB:MSVCRT.lib + COMPAT_CFLAGS = -D__USE_MINGW_ACCESS -DNOGDI -DHAVE_STRING_H -Icompat -Icompat/regex -Icompat/win32 -DSTRIP_EXTENSION=\".exe\" + BASIC_LDFLAGS = -IGNORE:4217 -IGNORE:4049 -NOLOGO -SUBSYSTEM:CONSOLE EXTLIBS = user32.lib advapi32.lib shell32.lib wininet.lib ws2_32.lib invalidcontinue.obj PTHREAD_LIBS = lib = ifndef DEBUG - BASIC_CFLAGS += -GL -Os -MT + BASIC_CFLAGS += -GL -Os -MD BASIC_LDFLAGS += -LTCG AR += -LTCG else - BASIC_CFLAGS += -Zi -MTd + BASIC_CFLAGS += -Zi -MDd endif X = .exe endif @@ -465,6 +470,7 @@ ifeq ($(uname_S),NONSTOP_KERNEL) endif ifneq (,$(findstring MINGW,$(uname_S))) pathsep = ; + HAVE_ALLOCA_H = YesPlease NO_PREAD = YesPlease NEEDS_CRYPTO_WITH_SSL = YesPlease NO_LIBGEN_H = YesPlease diff --git a/configure.ac b/configure.ac index b7112542b4..4b1ae7c3c9 100644 --- a/configure.ac +++ b/configure.ac @@ -272,6 +272,14 @@ AS_HELP_STRING([], [ARG can be also prefix for libpcre library and hea GIT_CONF_SUBST([LIBPCREDIR]) fi) # +# Define HAVE_ALLOCA_H if you have working alloca(3) defined in that header. +AC_FUNC_ALLOCA +case $ac_cv_working_alloca_h in + yes) HAVE_ALLOCA_H=YesPlease;; + *) HAVE_ALLOCA_H='';; +esac +GIT_CONF_SUBST([HAVE_ALLOCA_H]) +# # Define NO_CURL if you do not have curl installed. git-http-pull and # git-http-push are not built, and you cannot use http:// and https:// # transports. diff --git a/contrib/diffall/README b/contrib/diffall/README deleted file mode 100644 index 507f17dcd6..0000000000 --- a/contrib/diffall/README +++ /dev/null @@ -1,31 +0,0 @@ -The git-diffall script provides a directory based diff mechanism -for git. - -To determine what diff viewer is used, the script requires either -the 'diff.tool' or 'merge.tool' configuration option to be set. - -This script is compatible with most common forms used to specify a -range of revisions to diff: - - 1. git diffall: shows diff between working tree and staged changes - 2. git diffall --cached [<commit>]: shows diff between staged - changes and HEAD (or other named commit) - 3. git diffall <commit>: shows diff between working tree and named - commit - 4. git diffall <commit> <commit>: show diff between two named commits - 5. git diffall <commit>..<commit>: same as above - 6. git diffall <commit>...<commit>: show the changes on the branch - containing and up to the second, starting at a common ancestor - of both <commit> - -Note: all forms take an optional path limiter [-- <path>*] - -The '--extcmd=<command>' option allows the user to specify a custom -command for viewing diffs. When given, configured defaults are -ignored and the script runs $command $LOCAL $REMOTE. Additionally, -$BASE is set in the environment. - -This script is based on an example provided by Thomas Rast on the -Git list [1]: - -[1] http://thread.gmane.org/gmane.comp.version-control.git/124807 diff --git a/contrib/diffall/git-diffall b/contrib/diffall/git-diffall deleted file mode 100755 index 84f2b654d7..0000000000 --- a/contrib/diffall/git-diffall +++ /dev/null @@ -1,257 +0,0 @@ -#!/bin/sh -# Copyright 2010 - 2012, Tim Henigan <tim.henigan@gmail.com> -# -# Perform a directory diff between commits in the repository using -# the external diff or merge tool specified in the user's config. - -USAGE='[--cached] [--copy-back] [-x|--extcmd=<command>] <commit>{0,2} [-- <path>*] - - --cached Compare to the index rather than the working tree. - - --copy-back Copy files back to the working tree when the diff - tool exits (in case they were modified by the - user). This option is only valid if the diff - compared with the working tree. - - -x=<command> - --extcmd=<command> Specify a custom command for viewing diffs. - git-diffall ignores the configured defaults and - runs $command $LOCAL $REMOTE when this option is - specified. Additionally, $BASE is set in the - environment. -' - -SUBDIRECTORY_OK=1 -. "$(git --exec-path)/git-sh-setup" - -TOOL_MODE=diff -. "$(git --exec-path)/git-mergetool--lib" - -merge_tool="$(get_merge_tool)" -if test -z "$merge_tool" -then - echo "Error: Either the 'diff.tool' or 'merge.tool' option must be set." - usage -fi - -start_dir=$(pwd) - -# All the file paths returned by the diff command are relative to the root -# of the working copy. So if the script is called from a subdirectory, it -# must switch to the root of working copy before trying to use those paths. -cdup=$(git rev-parse --show-cdup) && -cd "$cdup" || { - echo >&2 "Cannot chdir to $cdup, the toplevel of the working tree" - exit 1 -} - -# set up temp dir -tmp=$(perl -e 'use File::Temp qw(tempdir); - $t=tempdir("/tmp/git-diffall.XXXXX") or exit(1); - print $t') || exit 1 -trap 'rm -rf "$tmp"' EXIT - -left= -right= -paths= -dashdash_seen= -compare_staged= -merge_base= -left_dir= -right_dir= -diff_tool= -copy_back= - -while test $# != 0 -do - case "$1" in - -h|--h|--he|--hel|--help) - usage - ;; - --cached) - compare_staged=1 - ;; - --copy-back) - copy_back=1 - ;; - -x|--e|--ex|--ext|--extc|--extcm|--extcmd) - if test $# = 1 - then - echo You must specify the tool for use with --extcmd - usage - else - diff_tool=$2 - shift - fi - ;; - --) - dashdash_seen=1 - ;; - -*) - echo Invalid option: "$1" - usage - ;; - *) - # could be commit, commit range or path limiter - case "$1" in - *...*) - left=${1%...*} - right=${1#*...} - merge_base=1 - ;; - *..*) - left=${1%..*} - right=${1#*..} - ;; - *) - if test -n "$dashdash_seen" - then - paths="$paths$1 " - elif test -z "$left" - then - left=$1 - elif test -z "$right" - then - right=$1 - else - paths="$paths$1 " - fi - ;; - esac - ;; - esac - shift -done - -# Determine the set of files which changed -if test -n "$left" && test -n "$right" -then - left_dir="cmt-$(git rev-parse --short $left)" - right_dir="cmt-$(git rev-parse --short $right)" - - if test -n "$compare_staged" - then - usage - elif test -n "$merge_base" - then - git diff --name-only "$left"..."$right" -- $paths >"$tmp/filelist" - else - git diff --name-only "$left" "$right" -- $paths >"$tmp/filelist" - fi -elif test -n "$left" -then - left_dir="cmt-$(git rev-parse --short $left)" - - if test -n "$compare_staged" - then - right_dir="staged" - git diff --name-only --cached "$left" -- $paths >"$tmp/filelist" - else - right_dir="working_tree" - git diff --name-only "$left" -- $paths >"$tmp/filelist" - fi -else - left_dir="HEAD" - - if test -n "$compare_staged" - then - right_dir="staged" - git diff --name-only --cached -- $paths >"$tmp/filelist" - else - right_dir="working_tree" - git diff --name-only -- $paths >"$tmp/filelist" - fi -fi - -# Exit immediately if there are no diffs -if test ! -s "$tmp/filelist" -then - exit 0 -fi - -if test -n "$copy_back" && test "$right_dir" != "working_tree" -then - echo "--copy-back is only valid when diff includes the working tree." - exit 1 -fi - -# Create the named tmp directories that will hold the files to be compared -mkdir -p "$tmp/$left_dir" "$tmp/$right_dir" - -# Populate the tmp/right_dir directory with the files to be compared -while read name -do - if test -n "$right" - then - ls_list=$(git ls-tree $right "$name") - if test -n "$ls_list" - then - mkdir -p "$tmp/$right_dir/$(dirname "$name")" - git show "$right":"$name" >"$tmp/$right_dir/$name" || true - fi - elif test -n "$compare_staged" - then - ls_list=$(git ls-files -- "$name") - if test -n "$ls_list" - then - mkdir -p "$tmp/$right_dir/$(dirname "$name")" - git show :"$name" >"$tmp/$right_dir/$name" - fi - else - if test -e "$name" - then - mkdir -p "$tmp/$right_dir/$(dirname "$name")" - cp "$name" "$tmp/$right_dir/$name" - fi - fi -done < "$tmp/filelist" - -# Populate the tmp/left_dir directory with the files to be compared -while read name -do - if test -n "$left" - then - ls_list=$(git ls-tree $left "$name") - if test -n "$ls_list" - then - mkdir -p "$tmp/$left_dir/$(dirname "$name")" - git show "$left":"$name" >"$tmp/$left_dir/$name" || true - fi - else - if test -n "$compare_staged" - then - ls_list=$(git ls-tree HEAD "$name") - if test -n "$ls_list" - then - mkdir -p "$tmp/$left_dir/$(dirname "$name")" - git show HEAD:"$name" >"$tmp/$left_dir/$name" - fi - else - mkdir -p "$tmp/$left_dir/$(dirname "$name")" - git show :"$name" >"$tmp/$left_dir/$name" - fi - fi -done < "$tmp/filelist" - -LOCAL="$tmp/$left_dir" -REMOTE="$tmp/$right_dir" - -if test -n "$diff_tool" -then - export BASE - eval $diff_tool '"$LOCAL"' '"$REMOTE"' -else - run_merge_tool "$merge_tool" false -fi - -# Copy files back to the working dir, if requested -if test -n "$copy_back" && test "$right_dir" = "working_tree" -then - cd "$start_dir" - git_top_dir=$(git rev-parse --show-toplevel) - find "$tmp/$right_dir" -type f | - while read file - do - cp "$file" "$git_top_dir/${file#$tmp/$right_dir/}" - done -fi diff --git a/contrib/examples/builtin-fetch--tool.c b/contrib/examples/builtin-fetch--tool.c index 8bc8c7533a..ee1916641e 100644 --- a/contrib/examples/builtin-fetch--tool.c +++ b/contrib/examples/builtin-fetch--tool.c @@ -31,7 +31,8 @@ static int update_ref_env(const char *action, rla = "(reflog update)"; if (snprintf(msg, sizeof(msg), "%s: %s", rla, action) >= sizeof(msg)) warning("reflog message too long: %.*s...", 50, msg); - return update_ref(msg, refname, sha1, oldval, 0, QUIET_ON_ERR); + return update_ref(msg, refname, sha1, oldval, 0, + UPDATE_REFS_QUIET_ON_ERR); } static int update_local_ref(const char *name, diff --git a/contrib/mw-to-git/git-remote-mediawiki.perl b/contrib/mw-to-git/git-remote-mediawiki.perl index 3f8d993afa..8dd74a9a40 100755 --- a/contrib/mw-to-git/git-remote-mediawiki.perl +++ b/contrib/mw-to-git/git-remote-mediawiki.perl @@ -461,7 +461,12 @@ sub download_mw_mediafile { my $response = $mediawiki->{ua}->get($download_url); if ($response->code == HTTP_CODE_OK) { - return $response->decoded_content; + # It is tempting to return + # $response->decoded_content({charset => "none"}), but + # when doing so, utf8::downgrade($content) fails with + # "Wide character in subroutine entry". + $response->decode(); + return $response->content(); } else { print {*STDERR} "Error downloading mediafile from :\n"; print {*STDERR} "URL: ${download_url}\n"; diff --git a/contrib/mw-to-git/t/install-wiki.sh b/contrib/mw-to-git/t/install-wiki.sh index 70a53f67fd..c215213c4b 100755 --- a/contrib/mw-to-git/t/install-wiki.sh +++ b/contrib/mw-to-git/t/install-wiki.sh @@ -20,6 +20,8 @@ usage () { echo " install | -i : Install a wiki on your computer." echo " delete | -d : Delete the wiki and all its pages and " echo " content." + echo " start | -s : Start the previously configured lighttpd daemon" + echo " stop : Stop lighttpd daemon." } @@ -33,6 +35,14 @@ case "$1" in wiki_delete exit 0 ;; + "start" | "-s") + start_lighttpd + exit + ;; + "stop") + stop_lighttpd + exit + ;; "--help" | "-h") usage exit 0 diff --git a/contrib/mw-to-git/t/t9363-mw-to-git-export-import.sh b/contrib/mw-to-git/t/t9363-mw-to-git-export-import.sh index 5a0373935f..3ff3a09567 100755 --- a/contrib/mw-to-git/t/t9363-mw-to-git-export-import.sh +++ b/contrib/mw-to-git/t/t9363-mw-to-git-export-import.sh @@ -58,6 +58,25 @@ test_expect_success 'git clone works on previously created wiki with media files test_cmp mw_dir_clone/Foo.txt mw_dir/Foo.txt ' +test_expect_success 'git push can upload media (File:) files containing valid UTF-8' ' + wiki_reset && + git clone mediawiki::'"$WIKI_URL"' mw_dir && + ( + cd mw_dir && + "$PERL_PATH" -e "print STDOUT \"UTF-8 content: éèàéê€.\";" >Bar.txt && + git add Bar.txt && + git commit -m "add a text file with UTF-8 content" && + git push + ) +' + +test_expect_success 'git clone works on previously created wiki with media files containing valid UTF-8' ' + test_when_finished "rm -rf mw_dir mw_dir_clone" && + git clone -c remote.origin.mediaimport=true \ + mediawiki::'"$WIKI_URL"' mw_dir_clone && + test_cmp mw_dir_clone/Bar.txt mw_dir/Bar.txt +' + test_expect_success 'git push & pull work with locally renamed media files' ' wiki_reset && git clone mediawiki::'"$WIKI_URL"' mw_dir && diff --git a/contrib/mw-to-git/t/t9365-continuing-queries.sh b/contrib/mw-to-git/t/t9365-continuing-queries.sh index 27e267f532..016454749f 100755 --- a/contrib/mw-to-git/t/t9365-continuing-queries.sh +++ b/contrib/mw-to-git/t/t9365-continuing-queries.sh @@ -9,7 +9,7 @@ test_check_precond test_expect_success 'creating page w/ >500 revisions' ' wiki_reset && - for i in `test_seq 501` + for i in $(test_seq 501) do echo "creating revision $i" && wiki_editpage foo "revision $i<br/>" true diff --git a/contrib/mw-to-git/t/test-gitmw-lib.sh b/contrib/mw-to-git/t/test-gitmw-lib.sh index 3372b2af34..6546294f15 100755 --- a/contrib/mw-to-git/t/test-gitmw-lib.sh +++ b/contrib/mw-to-git/t/test-gitmw-lib.sh @@ -90,7 +90,7 @@ test_diff_directories () { # # Check that <dir> contains exactly <N> files test_contains_N_files () { - if test `ls -- "$1" | wc -l` -ne "$2"; then + if test $(ls -- "$1" | wc -l) -ne "$2"; then echo "directory $1 should contain $2 files" echo "it contains these files:" ls "$1" @@ -289,7 +289,6 @@ start_lighttpd () { # Kill daemon lighttpd and removes files and folders associated. stop_lighttpd () { test -f "$WEB_TMP/pid" && kill $(cat "$WEB_TMP/pid") - rm -rf "$WEB" } # Create the SQLite database of the MediaWiki. If the database file already @@ -341,10 +340,10 @@ wiki_install () { "http://download.wikimedia.org/mediawiki/$MW_VERSION_MAJOR/"\ "$MW_FILENAME. "\ "Please fix your connection and launch the script again." - echo "$MW_FILENAME downloaded in `pwd`. "\ + echo "$MW_FILENAME downloaded in $(pwd). "\ "You can delete it later if you want." else - echo "Reusing existing $MW_FILENAME downloaded in `pwd`." + echo "Reusing existing $MW_FILENAME downloaded in $(pwd)." fi archive_abs_path=$(pwd)/$MW_FILENAME cd "$WIKI_DIR_INST/$WIKI_DIR_NAME/" || @@ -415,6 +414,7 @@ wiki_reset () { wiki_delete () { if test $LIGHTTPD = "true"; then stop_lighttpd + rm -fr "$WEB" else # Delete the wiki's directory. rm -rf "$WIKI_DIR_INST/$WIKI_DIR_NAME" || diff --git a/contrib/subtree/Makefile b/contrib/subtree/Makefile index 4030a16898..d888d45161 100644 --- a/contrib/subtree/Makefile +++ b/contrib/subtree/Makefile @@ -3,17 +3,23 @@ prefix ?= /usr/local mandir ?= $(prefix)/share/man -libexecdir ?= $(prefix)/libexec/git-core -gitdir ?= $(shell git --exec-path) +gitexecdir ?= $(prefix)/libexec/git-core man1dir ?= $(mandir)/man1 -gitver ?= $(word 3,$(shell git --version)) +../../GIT-VERSION-FILE: FORCE + $(MAKE) -C ../../ GIT-VERSION-FILE + +-include ../../GIT-VERSION-FILE # this should be set to a 'standard' bsd-type install program -INSTALL ?= install +INSTALL ?= install +RM ?= rm -f + +ASCIIDOC = asciidoc +XMLTO = xmlto -ASCIIDOC_CONF = ../../Documentation/asciidoc.conf -MANPAGE_NORMAL_XSL = ../../Documentation/manpage-normal.xsl +ASCIIDOC_CONF = ../../Documentation/asciidoc.conf +MANPAGE_XSL = ../../Documentation/manpage-normal.xsl GIT_SUBTREE_SH := git-subtree.sh GIT_SUBTREE := git-subtree @@ -31,8 +37,8 @@ $(GIT_SUBTREE): $(GIT_SUBTREE_SH) doc: $(GIT_SUBTREE_DOC) $(GIT_SUBTREE_HTML) install: $(GIT_SUBTREE) - $(INSTALL) -d -m 755 $(DESTDIR)$(libexecdir) - $(INSTALL) -m 755 $(GIT_SUBTREE) $(DESTDIR)$(libexecdir) + $(INSTALL) -d -m 755 $(DESTDIR)$(gitexecdir) + $(INSTALL) -m 755 $(GIT_SUBTREE) $(DESTDIR)$(gitexecdir) install-doc: install-man @@ -41,19 +47,21 @@ install-man: $(GIT_SUBTREE_DOC) $(INSTALL) -m 644 $^ $(DESTDIR)$(man1dir) $(GIT_SUBTREE_DOC): $(GIT_SUBTREE_XML) - xmlto -m $(MANPAGE_NORMAL_XSL) man $^ + $(XMLTO) -m $(MANPAGE_XSL) man $^ $(GIT_SUBTREE_XML): $(GIT_SUBTREE_TXT) - asciidoc -b docbook -d manpage -f $(ASCIIDOC_CONF) \ - -agit_version=$(gitver) $^ + $(ASCIIDOC) -b docbook -d manpage -f $(ASCIIDOC_CONF) \ + -agit_version=$(GIT_VERSION) $^ $(GIT_SUBTREE_HTML): $(GIT_SUBTREE_TXT) - asciidoc -b xhtml11 -d manpage -f $(ASCIIDOC_CONF) \ - -agit_version=$(gitver) $^ + $(ASCIIDOC) -b xhtml11 -d manpage -f $(ASCIIDOC_CONF) \ + -agit_version=$(GIT_VERSION) $^ test: $(MAKE) -C t/ test clean: - rm -f *~ *.xml *.html *.1 - rm -rf subproj mainline + $(RM) $(GIT_SUBTREE) + $(RM) *.xml *.html *.1 + +.PHONY: FORCE diff --git a/contrib/subtree/git-subtree.sh b/contrib/subtree/git-subtree.sh index db925ca769..fa1a5839af 100755 --- a/contrib/subtree/git-subtree.sh +++ b/contrib/subtree/git-subtree.sh @@ -558,8 +558,9 @@ cmd_add_commit() commit=$(add_squashed_msg "$rev" "$dir" | git commit-tree $tree $headp -p "$rev") || exit $? else + revp=$(peel_committish "$rev") && commit=$(add_msg "$dir" "$headrev" "$rev" | - git commit-tree $tree $headp -p "$rev") || exit $? + git commit-tree $tree $headp -p "$revp") || exit $? fi git reset "$commit" || exit $? diff --git a/contrib/subtree/t/t7900-subtree.sh b/contrib/subtree/t/t7900-subtree.sh index 66ce4b07c2..b22b710c26 100755 --- a/contrib/subtree/t/t7900-subtree.sh +++ b/contrib/subtree/t/t7900-subtree.sh @@ -76,7 +76,7 @@ test_expect_success 'add sub1' ' # Save this hash for testing later. -subdir_hash=`git rev-parse HEAD` +subdir_hash=$(git rev-parse HEAD) test_expect_success 'add sub2' ' create sub2 && diff --git a/contrib/svn-fe/svnrdump_sim.py b/contrib/svn-fe/svnrdump_sim.py index 4e78a1c3cd..11ac6f6927 100755 --- a/contrib/svn-fe/svnrdump_sim.py +++ b/contrib/svn-fe/svnrdump_sim.py @@ -5,53 +5,64 @@ of the specified revision range. To simulate incremental imports the environment variable SVNRMAX can be set to the highest revision that should be available. """ -import sys, os +import sys +import os if sys.hexversion < 0x02040000: - # The limiter is the ValueError() calls. This may be too conservative - sys.stderr.write("svnrdump-sim.py: requires Python 2.4 or later.\n") - sys.exit(1) + # The limiter is the ValueError() calls. This may be too conservative + sys.stderr.write("svnrdump-sim.py: requires Python 2.4 or later.\n") + sys.exit(1) + def getrevlimit(): - var = 'SVNRMAX' - if var in os.environ: - return os.environ[var] - return None + var = 'SVNRMAX' + if var in os.environ: + return os.environ[var] + return None + def writedump(url, lower, upper): - if url.startswith('sim://'): - filename = url[6:] - if filename[-1] == '/': filename = filename[:-1] #remove terminating slash - else: - raise ValueError('sim:// url required') - f = open(filename, 'r'); - state = 'header' - wroterev = False - while(True): - l = f.readline() - if l == '': break - if state == 'header' and l.startswith('Revision-number: '): - state = 'prefix' - if state == 'prefix' and l == 'Revision-number: %s\n' % lower: - state = 'selection' - if not upper == 'HEAD' and state == 'selection' and l == 'Revision-number: %s\n' % upper: - break; + if url.startswith('sim://'): + filename = url[6:] + if filename[-1] == '/': + filename = filename[:-1] # remove terminating slash + else: + raise ValueError('sim:// url required') + f = open(filename, 'r') + state = 'header' + wroterev = False + while(True): + l = f.readline() + if l == '': + break + if state == 'header' and l.startswith('Revision-number: '): + state = 'prefix' + if state == 'prefix' and l == 'Revision-number: %s\n' % lower: + state = 'selection' + if not upper == 'HEAD' and state == 'selection' and \ + l == 'Revision-number: %s\n' % upper: + break - if state == 'header' or state == 'selection': - if state == 'selection': wroterev = True - sys.stdout.write(l) - return wroterev + if state == 'header' or state == 'selection': + if state == 'selection': + wroterev = True + sys.stdout.write(l) + return wroterev if __name__ == "__main__": - if not (len(sys.argv) in (3, 4, 5)): - print("usage: %s dump URL -rLOWER:UPPER") - sys.exit(1) - if not sys.argv[1] == 'dump': raise NotImplementedError('only "dump" is suppported.') - url = sys.argv[2] - r = ('0', 'HEAD') - if len(sys.argv) == 4 and sys.argv[3][0:2] == '-r': - r = sys.argv[3][2:].lstrip().split(':') - if not getrevlimit() is None: r[1] = getrevlimit() - if writedump(url, r[0], r[1]): ret = 0 - else: ret = 1 - sys.exit(ret) + if not (len(sys.argv) in (3, 4, 5)): + print("usage: %s dump URL -rLOWER:UPPER") + sys.exit(1) + if not sys.argv[1] == 'dump': + raise NotImplementedError('only "dump" is suppported.') + url = sys.argv[2] + r = ('0', 'HEAD') + if len(sys.argv) == 4 and sys.argv[3][0:2] == '-r': + r = sys.argv[3][2:].lstrip().split(':') + if not getrevlimit() is None: + r[1] = getrevlimit() + if writedump(url, r[0], r[1]): + ret = 0 + else: + ret = 1 + sys.exit(ret) diff --git a/contrib/thunderbird-patch-inline/appp.sh b/contrib/thunderbird-patch-inline/appp.sh index 5eb4a51643..8dc73ece15 100755 --- a/contrib/thunderbird-patch-inline/appp.sh +++ b/contrib/thunderbird-patch-inline/appp.sh @@ -10,7 +10,7 @@ CONFFILE=~/.appprc SEP="-=-=-=-=-=-=-=-=-=# Don't remove this line #=-=-=-=-=-=-=-=-=-" if [ -e "$CONFFILE" ] ; then - LAST_DIR=`grep -m 1 "^LAST_DIR=" "${CONFFILE}"|sed -e 's/^LAST_DIR=//'` + LAST_DIR=$(grep -m 1 "^LAST_DIR=" "${CONFFILE}"|sed -e 's/^LAST_DIR=//') cd "${LAST_DIR}" else cd > /dev/null @@ -25,11 +25,11 @@ fi cd - > /dev/null -SUBJECT=`sed -n -e '/^Subject: /p' "${PATCH}"` -HEADERS=`sed -e '/^'"${SEP}"'$/,$d' $1` -BODY=`sed -e "1,/${SEP}/d" $1` -CMT_MSG=`sed -e '1,/^$/d' -e '/^---$/,$d' "${PATCH}"` -DIFF=`sed -e '1,/^---$/d' "${PATCH}"` +SUBJECT=$(sed -n -e '/^Subject: /p' "${PATCH}") +HEADERS=$(sed -e '/^'"${SEP}"'$/,$d' $1) +BODY=$(sed -e "1,/${SEP}/d" $1) +CMT_MSG=$(sed -e '1,/^$/d' -e '/^---$/,$d' "${PATCH}") +DIFF=$(sed -e '1,/^---$/d' "${PATCH}") CCS=`echo -e "$CMT_MSG\n$HEADERS" | sed -n -e 's/^Cc: \(.*\)$/\1,/gp' \ -e 's/^Signed-off-by: \(.*\)/\1,/gp'` @@ -48,7 +48,7 @@ if [ "x${BODY}x" != "xx" ] ; then fi echo "$DIFF" >> $1 -LAST_DIR=`dirname "${PATCH}"` +LAST_DIR=$(dirname "${PATCH}") grep -v "^LAST_DIR=" "${CONFFILE}" > "${CONFFILE}_" echo "LAST_DIR=${LAST_DIR}" >> "${CONFFILE}_" diff --git a/contrib/vim/README b/contrib/vim/README deleted file mode 100644 index 8f16d06972..0000000000 --- a/contrib/vim/README +++ /dev/null @@ -1,22 +0,0 @@ -Syntax highlighting for git commit messages, config files, etc. is -included with the vim distribution as of vim 7.2, and should work -automatically. - -If you have an older version of vim, you can get the latest syntax -files from the vim project: - - http://ftp.vim.org/pub/vim/runtime/syntax/git.vim - http://ftp.vim.org/pub/vim/runtime/syntax/gitcommit.vim - http://ftp.vim.org/pub/vim/runtime/syntax/gitconfig.vim - http://ftp.vim.org/pub/vim/runtime/syntax/gitrebase.vim - http://ftp.vim.org/pub/vim/runtime/syntax/gitsendemail.vim - -These files are also available via FTP at the same location. - -To install: - - 1. Copy these files to vim's syntax directory $HOME/.vim/syntax - 2. To auto-detect the editing of various git-related filetypes: - - $ curl http://ftp.vim.org/pub/vim/runtime/filetype.vim | - sed -ne '/^" Git$/, /^$/ p' >>$HOME/.vim/filetype.vim @@ -2880,6 +2880,16 @@ static struct diff_tempfile *prepare_temp_file(const char *name, return temp; } +static void add_external_diff_name(struct argv_array *argv, + const char *name, + struct diff_filespec *df) +{ + struct diff_tempfile *temp = prepare_temp_file(name, df); + argv_array_push(argv, temp->name); + argv_array_push(argv, temp->hex); + argv_array_push(argv, temp->mode); +} + /* An external diff command takes: * * diff-cmd name infile1 infile1-sha1 infile1-mode \ @@ -2896,48 +2906,32 @@ static void run_external_diff(const char *pgm, struct diff_options *o) { struct argv_array argv = ARGV_ARRAY_INIT; - int retval; + struct argv_array env = ARGV_ARRAY_INIT; struct diff_queue_struct *q = &diff_queued_diff; - const char *env[3] = { NULL }; - char env_counter[50]; - char env_total[50]; + + argv_array_push(&argv, pgm); + argv_array_push(&argv, name); if (one && two) { - struct diff_tempfile *temp_one, *temp_two; - const char *othername = (other ? other : name); - temp_one = prepare_temp_file(name, one); - temp_two = prepare_temp_file(othername, two); - argv_array_push(&argv, pgm); - argv_array_push(&argv, name); - argv_array_push(&argv, temp_one->name); - argv_array_push(&argv, temp_one->hex); - argv_array_push(&argv, temp_one->mode); - argv_array_push(&argv, temp_two->name); - argv_array_push(&argv, temp_two->hex); - argv_array_push(&argv, temp_two->mode); - if (other) { + add_external_diff_name(&argv, name, one); + if (!other) + add_external_diff_name(&argv, name, two); + else { + add_external_diff_name(&argv, other, two); argv_array_push(&argv, other); argv_array_push(&argv, xfrm_msg); } - } else { - argv_array_push(&argv, pgm); - argv_array_push(&argv, name); } - fflush(NULL); - env[0] = env_counter; - snprintf(env_counter, sizeof(env_counter), "GIT_DIFF_PATH_COUNTER=%d", - ++o->diff_path_counter); - env[1] = env_total; - snprintf(env_total, sizeof(env_total), "GIT_DIFF_PATH_TOTAL=%d", q->nr); + argv_array_pushf(&env, "GIT_DIFF_PATH_COUNTER=%d", ++o->diff_path_counter); + argv_array_pushf(&env, "GIT_DIFF_PATH_TOTAL=%d", q->nr); + + if (run_command_v_opt_cd_env(argv.argv, RUN_USING_SHELL, NULL, env.argv)) + die(_("external diff died, stopping at %s"), name); - retval = run_command_v_opt_cd_env(argv.argv, RUN_USING_SHELL, NULL, env); remove_tempfile(); argv_array_clear(&argv); - if (retval) { - fprintf(stderr, "external diff died, stopping at %s.\n", name); - exit(1); - } + argv_array_clear(&env); } static int similarity_index(struct diff_filepair *p) @@ -3205,6 +3199,7 @@ void diff_setup(struct diff_options *options) options->context = diff_context_default; DIFF_OPT_SET(options, RENAME_EMPTY); + /* pathchange left =NULL by default */ options->change = diff_change; options->add_remove = diff_addremove; options->use_color = diff_use_color_default; @@ -4749,6 +4744,7 @@ void diffcore_fix_diff_index(struct diff_options *options) void diffcore_std(struct diff_options *options) { + /* NOTE please keep the following in sync with diff_tree_combined() */ if (options->skip_stat_unmatch) diffcore_skip_stat_unmatch(options); if (!options->found_follow) { @@ -15,6 +15,10 @@ struct diff_filespec; struct userdiff_driver; struct sha1_array; struct commit; +struct combine_diff_path; + +typedef int (*pathchange_fn_t)(struct diff_options *options, + struct combine_diff_path *path); typedef void (*change_fn_t)(struct diff_options *options, unsigned old_mode, unsigned new_mode, @@ -157,6 +161,7 @@ struct diff_options { int close_file; struct pathspec pathspec; + pathchange_fn_t pathchange; change_fn_t change; add_remove_fn_t add_remove; diff_format_fn_t format_callback; @@ -189,8 +194,10 @@ const char *diff_line_prefix(struct diff_options *); extern const char mime_boundary_leader[]; -extern int diff_tree(struct tree_desc *t1, struct tree_desc *t2, - const char *base, struct diff_options *opt); +extern struct combine_diff_path *diff_tree_paths( + struct combine_diff_path *p, const unsigned char *sha1, + const unsigned char **parent_sha1, int nparent, + struct strbuf *base, struct diff_options *opt); extern int diff_tree_sha1(const unsigned char *old, const unsigned char *new, const char *base, struct diff_options *opt); extern int diff_root_tree_sha1(const unsigned char *new, const char *base, diff --git a/environment.c b/environment.c index 5c4815dbe1..c648ac3d3a 100644 --- a/environment.c +++ b/environment.c @@ -37,7 +37,7 @@ int core_compression_seen; int fsync_object_files; size_t packed_git_window_size = DEFAULT_PACKED_GIT_WINDOW_SIZE; size_t packed_git_limit = DEFAULT_PACKED_GIT_LIMIT; -size_t delta_base_cache_limit = 16 * 1024 * 1024; +size_t delta_base_cache_limit = 96 * 1024 * 1024; unsigned long big_file_threshold = 512 * 1024 * 1024; const char *pager_program; int pager_use_color = 1; @@ -69,6 +69,7 @@ unsigned long pack_size_limit_cfg; * that is subject to stripspace. */ char comment_line_char = '#'; +int auto_comment_line_char; /* Parallel index stat data preload? */ int core_preload_index = 0; diff --git a/git-compat-util.h b/git-compat-util.h index f6d3a46622..7849d31405 100644 --- a/git-compat-util.h +++ b/git-compat-util.h @@ -330,8 +330,12 @@ extern void warning(const char *err, ...) __attribute__((format (printf, 1, 2))) * trying to help gcc, anyway, it's OK; other compilers will fall back to * using the function as usual. */ -#if defined(__GNUC__) && ! defined(__clang__) -#define error(...) (error(__VA_ARGS__), -1) +#if defined(__GNUC__) +static inline int const_error(void) +{ + return -1; +} +#define error(...) (error(__VA_ARGS__), const_error()) #endif extern void set_die_routine(NORETURN_PTR void (*routine)(const char *err, va_list params)); @@ -521,6 +525,14 @@ extern void release_pack_memory(size_t); typedef void (*try_to_free_t)(size_t); extern try_to_free_t set_try_to_free_routine(try_to_free_t); +#ifdef HAVE_ALLOCA_H +# include <alloca.h> +# define xalloca(size) (alloca(size)) +# define xalloca_free(p) do {} while (0) +#else +# define xalloca(size) (xmalloc(size)) +# define xalloca_free(p) (free(p)) +#endif extern char *xstrdup(const char *str); extern void *xmalloc(size_t size); extern void *xmallocz(size_t size); @@ -531,6 +543,7 @@ extern void *xcalloc(size_t nmemb, size_t size); extern void *xmmap(void *start, size_t length, int prot, int flags, int fd, off_t offset); extern ssize_t xread(int fd, void *buf, size_t len); extern ssize_t xwrite(int fd, const void *buf, size_t len); +extern ssize_t xpread(int fd, void *buf, size_t len, off_t offset); extern int xdup(int fd); extern FILE *xfdopen(int fd, const char *mode); extern int xmkstemp(char *template); diff --git a/git-mergetool.sh b/git-mergetool.sh index 332528ff45..d08dc92589 100755 --- a/git-mergetool.sh +++ b/git-mergetool.sh @@ -277,7 +277,7 @@ merge_file () { echo "Normal merge conflict for '$MERGED':" describe_file "$local_mode" "local" "$LOCAL" describe_file "$remote_mode" "remote" "$REMOTE" - if "$prompt" = true + if test "$guessed_merge_tool" = true || test "$prompt" = true then printf "Hit return to start merge resolution tool (%s): " "$merge_tool" read ans || return 1 @@ -315,7 +315,8 @@ merge_file () { return 0 } -prompt=$(git config --bool mergetool.prompt || echo true) +prompt=$(git config --bool mergetool.prompt) +guessed_merge_tool=false while test $# != 0 do @@ -373,7 +374,14 @@ prompt_after_failed_merge () { if test -z "$merge_tool" then - merge_tool=$(get_merge_tool "$merge_tool") || exit + # Check if a merge tool has been configured + merge_tool=$(get_configured_merge_tool) + # Try to guess an appropriate merge tool if no tool has been set. + if test -z "$merge_tool" + then + merge_tool=$(guess_merge_tool) || exit + guessed_merge_tool=true + fi fi merge_keep_backup="$(git config --bool mergetool.keepBackup || echo true)" merge_keep_temporaries="$(git config --bool mergetool.keepTemporaries || echo false)" diff --git a/git-pull.sh b/git-pull.sh index 6cd8ebc534..cfc589dc15 100755 --- a/git-pull.sh +++ b/git-pull.sh @@ -108,7 +108,7 @@ do -s|--s|--st|--str|--stra|--strat|--strate|--strateg|--strategy) case "$#,$1" in *,*=*) - strategy=`expr "z$1" : 'z-[^=]*=\(.*\)'` ;; + strategy=$(expr "z$1" : 'z-[^=]*=\(.*\)') ;; 1,*) usage ;; *) diff --git a/git-rebase--merge.sh b/git-rebase--merge.sh index 71429fd743..6d77b3ca91 100644 --- a/git-rebase--merge.sh +++ b/git-rebase--merge.sh @@ -24,7 +24,7 @@ continue_merge () { die "$resolvemsg" fi - cmt=`cat "$state_dir/current"` + cmt=$(cat "$state_dir/current") if ! git diff-index --quiet --ignore-submodules HEAD -- then if ! git commit ${gpg_sign_opt:+"$gpg_sign_opt"} --no-verify -C "$cmt" @@ -143,7 +143,7 @@ echo "$onto_name" > "$state_dir/onto_name" write_basic_state msgnum=0 -for cmt in `git rev-list --reverse --no-merges "$revisions"` +for cmt in $(git rev-list --reverse --no-merges "$revisions") do msgnum=$(($msgnum + 1)) echo "$cmt" > "$state_dir/cmt.$msgnum" diff --git a/git-rebase.sh b/git-rebase.sh index 4543815ffd..5c7a0a1a58 100755 --- a/git-rebase.sh +++ b/git-rebase.sh @@ -457,8 +457,8 @@ then else if test -z "$onto" then - empty_tree=`git hash-object -t tree /dev/null` - onto=`git commit-tree $empty_tree </dev/null` + empty_tree=$(git hash-object -t tree /dev/null) + onto=$(git commit-tree $empty_tree </dev/null) squash_onto="$onto" fi unset upstream_name @@ -516,10 +516,10 @@ case "$#" in ;; 0) # Do not need to switch branches, we are already on it. - if branch_name=`git symbolic-ref -q HEAD` + if branch_name=$(git symbolic-ref -q HEAD) then head_name=$branch_name - branch_name=`expr "z$branch_name" : 'zrefs/heads/\(.*\)'` + branch_name=$(expr "z$branch_name" : 'zrefs/heads/\(.*\)') else head_name="detached HEAD" branch_name=HEAD ;# detached diff --git a/git-send-email.perl b/git-send-email.perl index fdb0029b59..abd62b484c 100755 --- a/git-send-email.perl +++ b/git-send-email.perl @@ -1113,6 +1113,18 @@ sub ssl_verify_params { } } +sub file_name_is_absolute { + my ($path) = @_; + + # msys does not grok DOS drive-prefixes + if ($^O eq 'msys') { + return ($path =~ m#^/# || $path =~ m#^[a-zA-Z]\:#) + } + + require File::Spec::Functions; + return File::Spec::Functions::file_name_is_absolute($path); +} + # Returns 1 if the message was sent, and 0 otherwise. # In actuality, the whole program dies when there # is an error sending a message. @@ -1197,7 +1209,7 @@ X-Mailer: git-send-email $gitversion if ($dry_run) { # We don't want to send the email. - } elsif ($smtp_server =~ m#^/#) { + } elsif (file_name_is_absolute($smtp_server)) { my $pid = open my $sm, '|-'; defined $pid or die $!; if (!$pid) { @@ -1271,7 +1283,7 @@ X-Mailer: git-send-email $gitversion printf (($dry_run ? "Dry-" : "")."Sent %s\n", $subject); } else { print (($dry_run ? "Dry-" : "")."OK. Log says:\n"); - if ($smtp_server !~ m#^/#) { + if (!file_name_is_absolute($smtp_server)) { print "Server: $smtp_server\n"; print "MAIL FROM:<$raw_from>\n"; foreach my $entry (@recipients) { diff --git a/git-sh-setup.sh b/git-sh-setup.sh index 5f28b32dc7..9447980330 100644 --- a/git-sh-setup.sh +++ b/git-sh-setup.sh @@ -160,7 +160,7 @@ git_pager() { else GIT_PAGER=cat fi - : ${LESS=-FRSX} + : ${LESS=-FRX} : ${LV=-c} export LESS LV diff --git a/git-stash.sh b/git-stash.sh index 4798bcf0e5..af549c7317 100755 --- a/git-stash.sh +++ b/git-stash.sh @@ -13,7 +13,7 @@ USAGE="list [<options>] SUBDIRECTORY_OK=Yes OPTIONS_SPEC= -START_DIR=`pwd` +START_DIR=$(pwd) . git-sh-setup . git-sh-i18n require_work_tree diff --git a/git-submodule.sh b/git-submodule.sh index b55d83ac46..e146b833d1 100755 --- a/git-submodule.sh +++ b/git-submodule.sh @@ -291,9 +291,6 @@ module_clone() # resolve any symlinks that might be present in $PWD a=$(cd_to_toplevel && cd "$gitdir" && pwd)/ b=$(cd_to_toplevel && cd "$sm_path" && pwd)/ - # normalize Windows-style absolute paths to POSIX-style absolute paths - case $a in [a-zA-Z]:/*) a=/${a%%:*}${a#*:} ;; esac - case $b in [a-zA-Z]:/*) b=/${b%%:*}${b#*:} ;; esac # Remove all common leading directories after a sanity check if test "${a#$b}" != "$a" || test "${b#$a}" != "$b"; then die "$(eval_gettext "Gitdir '\$a' is part of the submodule path '\$b' or vice versa")" diff --git a/git-web--browse.sh b/git-web--browse.sh index ebdfba6c94..ae152534f5 100755 --- a/git-web--browse.sh +++ b/git-web--browse.sh @@ -59,7 +59,7 @@ do -b|--browser*|-t|--tool*) case "$#,$1" in *,*=*) - browser=`expr "z$1" : 'z-[^=]*=\(.*\)'` + browser=$(expr "z$1" : 'z-[^=]*=\(.*\)') ;; 1,*) usage ;; @@ -71,7 +71,7 @@ do -c|--config*) case "$#,$1" in *,*=*) - conf=`expr "z$1" : 'z-[^=]*=\(.*\)'` + conf=$(expr "z$1" : 'z-[^=]*=\(.*\)') ;; 1,*) usage ;; @@ -100,7 +100,7 @@ then for opt in "$conf" "web.browser" do test -z "$opt" && continue - browser="`git config $opt`" + browser="$(git config $opt)" test -z "$browser" || break done if test -n "$browser" && ! valid_tool "$browser"; then @@ -290,7 +290,7 @@ static int run_builtin(struct cmd_struct *p, int argc, const char **argv) if (!help) { if (p->option & RUN_SETUP) prefix = setup_git_directory(); - if (p->option & RUN_SETUP_GENTLY) { + else if (p->option & RUN_SETUP_GENTLY) { int nongit_ok; prefix = setup_git_directory_gently(&nongit_ok); } @@ -86,6 +86,11 @@ int grep_config(const char *var, const char *value, void *cb) return 0; } + if (!strcmp(var, "grep.fullname")) { + opt->relative = !git_config_bool(var, value); + return 0; + } + if (!strcmp(var, "color.grep")) opt->color = git_config_colorbool(var, value); else if (!strcmp(var, "color.grep.context")) diff --git a/imap-send.c b/imap-send.c index 0bc6f7fae1..5c4f336330 100644 --- a/imap-send.c +++ b/imap-send.c @@ -23,9 +23,9 @@ */ #include "cache.h" +#include "credential.h" #include "exec_cmd.h" #include "run-command.h" -#include "prompt.h" #ifdef NO_OPENSSL typedef void *SSL; #endif @@ -946,6 +946,7 @@ static int auth_cram_md5(struct imap_store *ctx, struct imap_cmd *cmd, const cha static struct imap_store *imap_open_store(struct imap_server_conf *srvc) { + struct credential cred = CREDENTIAL_INIT; struct imap_store *ctx; struct imap *imap; char *arg, *rsp; @@ -1096,25 +1097,23 @@ static struct imap_store *imap_open_store(struct imap_server_conf *srvc) } #endif imap_info("Logging in...\n"); - if (!srvc->user) { - fprintf(stderr, "Skipping server %s, no user\n", srvc->host); - goto bail; - } - if (!srvc->pass) { - struct strbuf prompt = STRBUF_INIT; - strbuf_addf(&prompt, "Password (%s@%s): ", srvc->user, srvc->host); - arg = git_getpass(prompt.buf); - strbuf_release(&prompt); - if (!*arg) { - fprintf(stderr, "Skipping account %s@%s, no password\n", srvc->user, srvc->host); - goto bail; - } - /* - * getpass() returns a pointer to a static buffer. make a copy - * for long term storage. - */ - srvc->pass = xstrdup(arg); + if (!srvc->user || !srvc->pass) { + cred.protocol = xstrdup(srvc->use_ssl ? "imaps" : "imap"); + cred.host = xstrdup(srvc->host); + + if (srvc->user) + cred.username = xstrdup(srvc->user); + if (srvc->pass) + cred.password = xstrdup(srvc->pass); + + credential_fill(&cred); + + if (!srvc->user) + srvc->user = xstrdup(cred.username); + if (!srvc->pass) + srvc->pass = xstrdup(cred.password); } + if (CAP(NOLOGIN)) { fprintf(stderr, "Skipping account %s@%s, server forbids LOGIN\n", srvc->user, srvc->host); goto bail; @@ -1153,10 +1152,18 @@ static struct imap_store *imap_open_store(struct imap_server_conf *srvc) } } /* !preauth */ + if (cred.username) + credential_approve(&cred); + credential_clear(&cred); + ctx->prefix = ""; return ctx; bail: + if (cred.username) + credential_reject(&cred); + credential_clear(&cred); + imap_close_store(ctx); return NULL; } diff --git a/merge-recursive.c b/merge-recursive.c index 4177092942..cab16fafb5 100644 --- a/merge-recursive.c +++ b/merge-recursive.c @@ -589,6 +589,12 @@ static int remove_file(struct merge_options *o, int clean, return -1; } if (update_working_directory) { + if (ignore_case) { + struct cache_entry *ce; + ce = cache_file_exists(path, strlen(path), ignore_case); + if (ce && ce_stage(ce) == 0) + return 0; + } if (remove_path(path)) return -1; } diff --git a/mergetools/gvimdiff3 b/mergetools/gvimdiff3 new file mode 100644 index 0000000000..04a5bb0ea8 --- /dev/null +++ b/mergetools/gvimdiff3 @@ -0,0 +1 @@ +. "$MERGE_TOOLS_DIR/vimdiff" diff --git a/mergetools/vimdiff b/mergetools/vimdiff index 39d032771b..1ddfbfcd78 100644 --- a/mergetools/vimdiff +++ b/mergetools/vimdiff @@ -20,16 +20,26 @@ merge_cmd () { "$merge_tool_path" -f -d -c 'wincmd l' \ "$LOCAL" "$MERGED" "$REMOTE" ;; + gvimdiff3|vimdiff3) + if $base_present + then + "$merge_tool_path" -f -d -c 'hid | hid | hid' \ + "$LOCAL" "$REMOTE" "$BASE" "$MERGED" + else + "$merge_tool_path" -f -d -c 'hid | hid' \ + "$LOCAL" "$REMOTE" "$MERGED" + fi + ;; esac check_unchanged } translate_merge_tool_path() { case "$1" in - gvimdiff|gvimdiff2) + gvimdiff|gvimdiff2|gvimdiff3) echo gvim ;; - vimdiff|vimdiff2) + vimdiff|vimdiff2|vimdiff3) echo vim ;; esac diff --git a/mergetools/vimdiff3 b/mergetools/vimdiff3 new file mode 100644 index 0000000000..04a5bb0ea8 --- /dev/null +++ b/mergetools/vimdiff3 @@ -0,0 +1 @@ +. "$MERGE_TOOLS_DIR/vimdiff" diff --git a/notes-cache.c b/notes-cache.c index eabe4a0d9b..97dfd63c9b 100644 --- a/notes-cache.c +++ b/notes-cache.c @@ -62,7 +62,7 @@ int notes_cache_write(struct notes_cache *c) if (commit_tree(&msg, tree_sha1, NULL, commit_sha1, NULL, NULL) < 0) return -1; if (update_ref("update notes cache", c->tree.ref, commit_sha1, NULL, - 0, QUIET_ON_ERR) < 0) + 0, UPDATE_REFS_QUIET_ON_ERR) < 0) return -1; return 0; diff --git a/notes-utils.c b/notes-utils.c index 4aa7023903..a0b1d7be98 100644 --- a/notes-utils.c +++ b/notes-utils.c @@ -48,7 +48,8 @@ void commit_notes(struct notes_tree *t, const char *msg) create_notes_commit(t, NULL, &buf, commit_sha1); strbuf_insert(&buf, 0, "notes: ", 7); /* commit message starts at index 7 */ - update_ref(buf.buf, t->ref, commit_sha1, NULL, 0, DIE_ON_ERR); + update_ref(buf.buf, t->ref, commit_sha1, NULL, 0, + UPDATE_REFS_DIE_ON_ERR); strbuf_release(&buf); } @@ -64,7 +64,7 @@ void setup_pager(void) { const char *pager = git_pager(isatty(1)); - if (!pager || pager_in_use()) + if (!pager) return; /* @@ -85,7 +85,7 @@ void setup_pager(void) int i = 0; if (!getenv("LESS")) - env[i++] = "LESS=FRSX"; + env[i++] = "LESS=FRX"; if (!getenv("LV")) env[i++] = "LV=-c"; env[i] = NULL; diff --git a/parse-options.h b/parse-options.h index 3189676695..7940bc71af 100644 --- a/parse-options.h +++ b/parse-options.h @@ -176,8 +176,8 @@ extern NORETURN void usage_msg_opt(const char *msg, extern int optbug(const struct option *opt, const char *reason); extern int opterror(const struct option *opt, const char *reason, int flags); -#if defined(__GNUC__) && ! defined(__clang__) -#define opterror(o,r,f) (opterror((o),(r),(f)), -1) +#if defined(__GNUC__) +#define opterror(o,r,f) (opterror((o),(r),(f)), const_error()) #endif /*----- incremental advanced APIs -----*/ diff --git a/perl/Git/SVN.pm b/perl/Git/SVN.pm index a59564fb34..09cff135ef 100644 --- a/perl/Git/SVN.pm +++ b/perl/Git/SVN.pm @@ -1321,7 +1321,7 @@ sub get_untracked { sub parse_svn_date { my $date = shift || return '+0000 1970-01-01 00:00:00'; my ($Y,$m,$d,$H,$M,$S) = ($date =~ /^(\d{4})\-(\d\d)\-(\d\d)T - (\d\d)\:(\d\d)\:(\d\d)\.\d*Z$/x) or + (\d\d?)\:(\d\d)\:(\d\d)\.\d*Z$/x) or croak "Unable to parse date: $date\n"; my $parsed_date; # Set next. diff --git a/perl/Git/SVN/Log.pm b/perl/Git/SVN/Log.pm index 34f2869ab5..664105357c 100644 --- a/perl/Git/SVN/Log.pm +++ b/perl/Git/SVN/Log.pm @@ -116,7 +116,7 @@ sub run_pager { return; } open STDIN, '<&', $rfd or fatal "Can't redirect stdin: $!"; - $ENV{LESS} ||= 'FRSX'; + $ENV{LESS} ||= 'FRX'; $ENV{LV} ||= '-c'; exec $pager or fatal "Can't run pager: $! ($pager)"; } @@ -393,8 +393,8 @@ static void add_rfc2047(struct strbuf *sb, const char *line, size_t len, strbuf_addstr(sb, "?="); } -static const char *show_ident_date(const struct ident_split *ident, - enum date_mode mode) +const char *show_ident_date(const struct ident_split *ident, + enum date_mode mode) { unsigned long date = 0; long tz = 0; diff --git a/read-cache.c b/read-cache.c index ba13353b37..7f5645e745 100644 --- a/read-cache.c +++ b/read-cache.c @@ -1477,6 +1477,7 @@ int read_index_from(struct index_state *istate, const char *path) if (verify_hdr(hdr, mmap_size) < 0) goto unmap; + hashcpy(istate->sha1, (unsigned char *)hdr + mmap_size - 20); istate->version = ntohl(hdr->hdr_version); istate->cache_nr = ntohl(hdr->hdr_entries); istate->cache_alloc = alloc_nr(istate->cache_nr); @@ -1760,6 +1761,50 @@ static int ce_write_entry(git_SHA_CTX *c, int fd, struct cache_entry *ce, return result; } +/* + * This function verifies if index_state has the correct sha1 of the + * index file. Don't die if we have any other failure, just return 0. + */ +static int verify_index_from(const struct index_state *istate, const char *path) +{ + int fd; + ssize_t n; + struct stat st; + unsigned char sha1[20]; + + if (!istate->initialized) + return 0; + + fd = open(path, O_RDONLY); + if (fd < 0) + return 0; + + if (fstat(fd, &st)) + goto out; + + if (st.st_size < sizeof(struct cache_header) + 20) + goto out; + + n = pread_in_full(fd, sha1, 20, st.st_size - 20); + if (n != 20) + goto out; + + if (hashcmp(istate->sha1, sha1)) + goto out; + + close(fd); + return 1; + +out: + close(fd); + return 0; +} + +static int verify_index(const struct index_state *istate) +{ + return verify_index_from(istate, get_index_file()); +} + static int has_racy_timestamp(struct index_state *istate) { int entries = istate->cache_nr; @@ -1779,7 +1824,7 @@ static int has_racy_timestamp(struct index_state *istate) void update_index_if_able(struct index_state *istate, struct lock_file *lockfile) { if ((istate->cache_changed || has_racy_timestamp(istate)) && - !write_index(istate, lockfile->fd)) + verify_index(istate) && !write_index(istate, lockfile->fd)) commit_locked_index(lockfile); else rollback_lock_file(lockfile); @@ -1999,7 +1999,6 @@ int dwim_log(const char *str, int len, unsigned char *sha1, char **log) *log = NULL; for (p = ref_rev_parse_rules; *p; p++) { - struct stat st; unsigned char hash[20]; char path[PATH_MAX]; const char *ref, *it; @@ -2008,12 +2007,9 @@ int dwim_log(const char *str, int len, unsigned char *sha1, char **log) ref = resolve_ref_unsafe(path, hash, 1, NULL); if (!ref) continue; - if (!stat(git_path("logs/%s", path), &st) && - S_ISREG(st.st_mode)) + if (reflog_exists(path)) it = path; - else if (strcmp(ref, path) && - !stat(git_path("logs/%s", ref), &st) && - S_ISREG(st.st_mode)) + else if (strcmp(ref, path) && reflog_exists(ref)) it = ref; else continue; @@ -3046,6 +3042,19 @@ int read_ref_at(const char *refname, unsigned long at_time, int cnt, return 1; } +int reflog_exists(const char *refname) +{ + struct stat st; + + return !lstat(git_path("logs/%s", refname), &st) && + S_ISREG(st.st_mode); +} + +int delete_reflog(const char *refname) +{ + return remove_path(git_path("logs/%s", refname)); +} + static int show_one_reflog_ent(struct strbuf *sb, each_reflog_ent_fn fn, void *cb_data) { unsigned char osha1[20], nsha1[20]; @@ -3243,9 +3252,9 @@ static struct ref_lock *update_ref_lock(const char *refname, if (!lock) { const char *str = "Cannot lock the ref '%s'."; switch (onerr) { - case MSG_ON_ERR: error(str, refname); break; - case DIE_ON_ERR: die(str, refname); break; - case QUIET_ON_ERR: break; + case UPDATE_REFS_MSG_ON_ERR: error(str, refname); break; + case UPDATE_REFS_DIE_ON_ERR: die(str, refname); break; + case UPDATE_REFS_QUIET_ON_ERR: break; } } return lock; @@ -3258,15 +3267,118 @@ static int update_ref_write(const char *action, const char *refname, if (write_ref_sha1(lock, sha1, action) < 0) { const char *str = "Cannot update the ref '%s'."; switch (onerr) { - case MSG_ON_ERR: error(str, refname); break; - case DIE_ON_ERR: die(str, refname); break; - case QUIET_ON_ERR: break; + case UPDATE_REFS_MSG_ON_ERR: error(str, refname); break; + case UPDATE_REFS_DIE_ON_ERR: die(str, refname); break; + case UPDATE_REFS_QUIET_ON_ERR: break; } return 1; } return 0; } +/** + * Information needed for a single ref update. Set new_sha1 to the + * new value or to zero to delete the ref. To check the old value + * while locking the ref, set have_old to 1 and set old_sha1 to the + * value or to zero to ensure the ref does not exist before update. + */ +struct ref_update { + unsigned char new_sha1[20]; + unsigned char old_sha1[20]; + int flags; /* REF_NODEREF? */ + int have_old; /* 1 if old_sha1 is valid, 0 otherwise */ + struct ref_lock *lock; + int type; + const char refname[FLEX_ARRAY]; +}; + +/* + * Data structure for holding a reference transaction, which can + * consist of checks and updates to multiple references, carried out + * as atomically as possible. This structure is opaque to callers. + */ +struct ref_transaction { + struct ref_update **updates; + size_t alloc; + size_t nr; +}; + +struct ref_transaction *ref_transaction_begin(void) +{ + return xcalloc(1, sizeof(struct ref_transaction)); +} + +static void ref_transaction_free(struct ref_transaction *transaction) +{ + int i; + + for (i = 0; i < transaction->nr; i++) + free(transaction->updates[i]); + + free(transaction->updates); + free(transaction); +} + +void ref_transaction_rollback(struct ref_transaction *transaction) +{ + ref_transaction_free(transaction); +} + +static struct ref_update *add_update(struct ref_transaction *transaction, + const char *refname) +{ + size_t len = strlen(refname); + struct ref_update *update = xcalloc(1, sizeof(*update) + len + 1); + + strcpy((char *)update->refname, refname); + ALLOC_GROW(transaction->updates, transaction->nr + 1, transaction->alloc); + transaction->updates[transaction->nr++] = update; + return update; +} + +void ref_transaction_update(struct ref_transaction *transaction, + const char *refname, + unsigned char *new_sha1, unsigned char *old_sha1, + int flags, int have_old) +{ + struct ref_update *update = add_update(transaction, refname); + + hashcpy(update->new_sha1, new_sha1); + update->flags = flags; + update->have_old = have_old; + if (have_old) + hashcpy(update->old_sha1, old_sha1); +} + +void ref_transaction_create(struct ref_transaction *transaction, + const char *refname, + unsigned char *new_sha1, + int flags) +{ + struct ref_update *update = add_update(transaction, refname); + + assert(!is_null_sha1(new_sha1)); + hashcpy(update->new_sha1, new_sha1); + hashclr(update->old_sha1); + update->flags = flags; + update->have_old = 1; +} + +void ref_transaction_delete(struct ref_transaction *transaction, + const char *refname, + unsigned char *old_sha1, + int flags, int have_old) +{ + struct ref_update *update = add_update(transaction, refname); + + update->flags = flags; + update->have_old = have_old; + if (have_old) { + assert(!is_null_sha1(old_sha1)); + hashcpy(update->old_sha1, old_sha1); + } +} + int update_ref(const char *action, const char *refname, const unsigned char *sha1, const unsigned char *oldval, int flags, enum action_on_err onerr) @@ -3282,7 +3394,7 @@ static int ref_update_compare(const void *r1, const void *r2) { const struct ref_update * const *u1 = r1; const struct ref_update * const *u2 = r2; - return strcmp((*u1)->ref_name, (*u2)->ref_name); + return strcmp((*u1)->refname, (*u2)->refname); } static int ref_update_reject_duplicates(struct ref_update **updates, int n, @@ -3290,15 +3402,15 @@ static int ref_update_reject_duplicates(struct ref_update **updates, int n, { int i; for (i = 1; i < n; i++) - if (!strcmp(updates[i - 1]->ref_name, updates[i]->ref_name)) { + if (!strcmp(updates[i - 1]->refname, updates[i]->refname)) { const char *str = "Multiple updates for ref '%s' not allowed."; switch (onerr) { - case MSG_ON_ERR: - error(str, updates[i]->ref_name); break; - case DIE_ON_ERR: - die(str, updates[i]->ref_name); break; - case QUIET_ON_ERR: + case UPDATE_REFS_MSG_ON_ERR: + error(str, updates[i]->refname); break; + case UPDATE_REFS_DIE_ON_ERR: + die(str, updates[i]->refname); break; + case UPDATE_REFS_QUIET_ON_ERR: break; } return 1; @@ -3306,26 +3418,21 @@ static int ref_update_reject_duplicates(struct ref_update **updates, int n, return 0; } -int update_refs(const char *action, const struct ref_update **updates_orig, - int n, enum action_on_err onerr) +int ref_transaction_commit(struct ref_transaction *transaction, + const char *msg, enum action_on_err onerr) { int ret = 0, delnum = 0, i; - struct ref_update **updates; - int *types; - struct ref_lock **locks; const char **delnames; + int n = transaction->nr; + struct ref_update **updates = transaction->updates; - if (!updates_orig || !n) + if (!n) return 0; /* Allocate work space */ - updates = xmalloc(sizeof(*updates) * n); - types = xmalloc(sizeof(*types) * n); - locks = xcalloc(n, sizeof(*locks)); delnames = xmalloc(sizeof(*delnames) * n); /* Copy, sort, and reject duplicate refs */ - memcpy(updates, updates_orig, sizeof(*updates) * n); qsort(updates, n, sizeof(*updates), ref_update_compare); ret = ref_update_reject_duplicates(updates, n, onerr); if (ret) @@ -3333,35 +3440,44 @@ int update_refs(const char *action, const struct ref_update **updates_orig, /* Acquire all locks while verifying old values */ for (i = 0; i < n; i++) { - locks[i] = update_ref_lock(updates[i]->ref_name, - (updates[i]->have_old ? - updates[i]->old_sha1 : NULL), - updates[i]->flags, - &types[i], onerr); - if (!locks[i]) { + struct ref_update *update = updates[i]; + + update->lock = update_ref_lock(update->refname, + (update->have_old ? + update->old_sha1 : NULL), + update->flags, + &update->type, onerr); + if (!update->lock) { ret = 1; goto cleanup; } } /* Perform updates first so live commits remain referenced */ - for (i = 0; i < n; i++) - if (!is_null_sha1(updates[i]->new_sha1)) { - ret = update_ref_write(action, - updates[i]->ref_name, - updates[i]->new_sha1, - locks[i], onerr); - locks[i] = NULL; /* freed by update_ref_write */ + for (i = 0; i < n; i++) { + struct ref_update *update = updates[i]; + + if (!is_null_sha1(update->new_sha1)) { + ret = update_ref_write(msg, + update->refname, + update->new_sha1, + update->lock, onerr); + update->lock = NULL; /* freed by update_ref_write */ if (ret) goto cleanup; } + } /* Perform deletes now that updates are safely completed */ - for (i = 0; i < n; i++) - if (locks[i]) { - delnames[delnum++] = locks[i]->ref_name; - ret |= delete_ref_loose(locks[i], types[i]); + for (i = 0; i < n; i++) { + struct ref_update *update = updates[i]; + + if (update->lock) { + delnames[delnum++] = update->lock->ref_name; + ret |= delete_ref_loose(update->lock, update->type); } + } + ret |= repack_without_refs(delnames, delnum); for (i = 0; i < delnum; i++) unlink_or_warn(git_path("logs/%s", delnames[i])); @@ -3369,12 +3485,10 @@ int update_refs(const char *action, const struct ref_update **updates_orig, cleanup: for (i = 0; i < n; i++) - if (locks[i]) - unlock_ref(locks[i]); - free(updates); - free(types); - free(locks); + if (updates[i]->lock) + unlock_ref(updates[i]->lock); free(delnames); + ref_transaction_free(transaction); return ret; } @@ -10,19 +10,7 @@ struct ref_lock { int force_write; }; -/** - * Information needed for a single ref update. Set new_sha1 to the - * new value or to zero to delete the ref. To check the old value - * while locking the ref, set have_old to 1 and set old_sha1 to the - * value or to zero to ensure the ref does not exist before update. - */ -struct ref_update { - const char *ref_name; - unsigned char new_sha1[20]; - unsigned char old_sha1[20]; - int flags; /* REF_NODEREF? */ - int have_old; /* 1 if old_sha1 is valid, 0 otherwise */ -}; +struct ref_transaction; /* * Bit values set in the flags argument passed to each_ref_fn(): @@ -166,13 +154,19 @@ extern void unlock_ref(struct ref_lock *lock); extern int write_ref_sha1(struct ref_lock *lock, const unsigned char *sha1, const char *msg); /** Setup reflog before using. **/ -int log_ref_setup(const char *ref_name, char *logfile, int bufsize); +int log_ref_setup(const char *refname, char *logfile, int bufsize); /** Reads log for the value of ref during at_time. **/ extern int read_ref_at(const char *refname, unsigned long at_time, int cnt, unsigned char *sha1, char **msg, unsigned long *cutoff_time, int *cutoff_tz, int *cutoff_cnt); +/** Check if a particular reflog exists */ +extern int reflog_exists(const char *refname); + +/** Delete a reflog */ +extern int delete_reflog(const char *refname); + /* iterate over reflog entries */ typedef int each_reflog_ent_fn(unsigned char *osha1, unsigned char *nsha1, const char *, unsigned long, int, const char *, void *); int for_each_reflog_ent(const char *refname, each_reflog_ent_fn fn, void *cb_data); @@ -214,18 +208,80 @@ extern int rename_ref(const char *oldref, const char *newref, const char *logmsg */ extern int resolve_gitlink_ref(const char *path, const char *refname, unsigned char *sha1); -/** lock a ref and then write its file */ -enum action_on_err { MSG_ON_ERR, DIE_ON_ERR, QUIET_ON_ERR }; +enum action_on_err { + UPDATE_REFS_MSG_ON_ERR, + UPDATE_REFS_DIE_ON_ERR, + UPDATE_REFS_QUIET_ON_ERR +}; + +/* + * Begin a reference transaction. The reference transaction must + * eventually be commited using ref_transaction_commit() or rolled + * back using ref_transaction_rollback(). + */ +struct ref_transaction *ref_transaction_begin(void); + +/* + * Roll back a ref_transaction and free all associated data. + */ +void ref_transaction_rollback(struct ref_transaction *transaction); + + +/* + * The following functions add a reference check or update to a + * ref_transaction. In all of them, refname is the name of the + * reference to be affected. The functions make internal copies of + * refname, so the caller retains ownership of the parameter. flags + * can be REF_NODEREF; it is passed to update_ref_lock(). + */ + + +/* + * Add a reference update to transaction. new_sha1 is the value that + * the reference should have after the update, or zeros if it should + * be deleted. If have_old is true, then old_sha1 holds the value + * that the reference should have had before the update, or zeros if + * it must not have existed beforehand. + */ +void ref_transaction_update(struct ref_transaction *transaction, + const char *refname, + unsigned char *new_sha1, unsigned char *old_sha1, + int flags, int have_old); + +/* + * Add a reference creation to transaction. new_sha1 is the value + * that the reference should have after the update; it must not be the + * null SHA-1. It is verified that the reference does not exist + * already. + */ +void ref_transaction_create(struct ref_transaction *transaction, + const char *refname, + unsigned char *new_sha1, + int flags); + +/* + * Add a reference deletion to transaction. If have_old is true, then + * old_sha1 holds the value that the reference should have had before + * the update (which must not be the null SHA-1). + */ +void ref_transaction_delete(struct ref_transaction *transaction, + const char *refname, + unsigned char *old_sha1, + int flags, int have_old); + +/* + * Commit all of the changes that have been queued in transaction, as + * atomically as possible. Return a nonzero value if there is a + * problem. The ref_transaction is freed by this function. + */ +int ref_transaction_commit(struct ref_transaction *transaction, + const char *msg, enum action_on_err onerr); + +/** Lock a ref and then write its file */ int update_ref(const char *action, const char *refname, const unsigned char *sha1, const unsigned char *oldval, int flags, enum action_on_err onerr); -/** - * Lock all refs and then perform all modifications. - */ -int update_refs(const char *action, const struct ref_update **updates, - int n, enum action_on_err onerr); - extern int parse_hide_refs_config(const char *var, const char *value, const char *); extern int ref_is_hidden(const char *); diff --git a/sequencer.c b/sequencer.c index bde5f047b0..0a80c58d11 100644 --- a/sequencer.c +++ b/sequencer.c @@ -281,8 +281,12 @@ static int fast_forward_to(const unsigned char *to, const unsigned char *from, exit(1); /* the callee should have complained already */ ref_lock = lock_any_ref_for_update("HEAD", unborn ? null_sha1 : from, 0, NULL); + if (!ref_lock) + return error(_("Failed to lock HEAD during fast_forward_to")); + strbuf_addf(&sb, "%s: fast-forward", action_name(opts)); ret = write_ref_sha1(ref_lock, to, sb.buf); + strbuf_release(&sb); return ret; } @@ -78,15 +78,8 @@ void strbuf_grow(struct strbuf *sb, size_t extra) void strbuf_trim(struct strbuf *sb) { - char *b = sb->buf; - while (sb->len > 0 && isspace((unsigned char)sb->buf[sb->len - 1])) - sb->len--; - while (sb->len > 0 && isspace(*b)) { - b++; - sb->len--; - } - memmove(sb->buf, b, sb->len); - sb->buf[sb->len] = '\0'; + strbuf_rtrim(sb); + strbuf_ltrim(sb); } void strbuf_rtrim(struct strbuf *sb) { diff --git a/t/lib-credential.sh b/t/lib-credential.sh index 957ae936e8..9e7d7962b0 100755 --- a/t/lib-credential.sh +++ b/t/lib-credential.sh @@ -281,7 +281,7 @@ helper_test_timeout() { cat >askpass <<\EOF #!/bin/sh echo >&2 askpass: $* -what=`echo $1 | cut -d" " -f1 | tr A-Z a-z | tr -cd a-z` +what=$(echo $1 | cut -d" " -f1 | tr A-Z a-z | tr -cd a-z) echo "askpass-$what" EOF chmod +x askpass diff --git a/t/lib-cvs.sh b/t/lib-cvs.sh index 5076718916..9b2bcfb1b0 100644 --- a/t/lib-cvs.sh +++ b/t/lib-cvs.sh @@ -13,7 +13,7 @@ fi CVS="cvs -f" export CVS -cvsps_version=`cvsps -h 2>&1 | sed -ne 's/cvsps version //p'` +cvsps_version=$(cvsps -h 2>&1 | sed -ne 's/cvsps version //p') case "$cvsps_version" in 2.1 | 2.2*) ;; diff --git a/t/lib-gpg.sh b/t/lib-gpg.sh index 05824fa8e4..fd499e7c49 100755 --- a/t/lib-gpg.sh +++ b/t/lib-gpg.sh @@ -1,6 +1,6 @@ #!/bin/sh -gpg_version=`gpg --version 2>&1` +gpg_version=$(gpg --version 2>&1) if test $? = 127; then say "You do not seem to have gpg installed" else diff --git a/t/perf/p5302-pack-index.sh b/t/perf/p5302-pack-index.sh index 6cb5b0d55b..5ee9211f98 100755 --- a/t/perf/p5302-pack-index.sh +++ b/t/perf/p5302-pack-index.sh @@ -8,7 +8,7 @@ test_perf_large_repo test_expect_success 'repack' ' git repack -ad && - PACK=`ls .git/objects/pack/*.pack | head -n1` && + PACK=$(ls .git/objects/pack/*.pack | head -n1) && test -f "$PACK" && export PACK ' diff --git a/t/t0001-init.sh b/t/t0001-init.sh index bbc9cb60dd..2f3020342a 100755 --- a/t/t0001-init.sh +++ b/t/t0001-init.sh @@ -185,14 +185,14 @@ test_expect_success 'init --bare/--shared overrides system/global config' ' git init --bare --shared=0666 init-bare-shared-override && check_config init-bare-shared-override true unset && test x0666 = \ - x`git config -f init-bare-shared-override/config core.sharedRepository` + x$(git config -f init-bare-shared-override/config core.sharedRepository) ' test_expect_success 'init honors global core.sharedRepository' ' test_config_global core.sharedRepository 0666 && git init shared-honor-global && test x0666 = \ - x`git config -f shared-honor-global/.git/config core.sharedRepository` + x$(git config -f shared-honor-global/.git/config core.sharedRepository) ' test_expect_success 'init rejects insanely long --template' ' @@ -285,7 +285,7 @@ test_expect_success 'init prefers command line to GIT_DIR' ' test_expect_success 'init with separate gitdir' ' rm -rf newdir && git init --separate-git-dir realgitdir newdir && - echo "gitdir: `pwd`/realgitdir" >expected && + echo "gitdir: $(pwd)/realgitdir" >expected && test_cmp expected newdir/.git && test_path_is_dir realgitdir/refs ' @@ -299,7 +299,7 @@ test_expect_success 're-init to update git link' ' cd newdir && git init --separate-git-dir ../surrealgitdir ) && - echo "gitdir: `pwd`/surrealgitdir" >expected && + echo "gitdir: $(pwd)/surrealgitdir" >expected && test_cmp expected newdir/.git && test_path_is_dir surrealgitdir/refs && test_path_is_missing realgitdir/refs @@ -312,7 +312,7 @@ test_expect_success 're-init to move gitdir' ' cd newdir && git init --separate-git-dir ../realgitdir ) && - echo "gitdir: `pwd`/realgitdir" >expected && + echo "gitdir: $(pwd)/realgitdir" >expected && test_cmp expected newdir/.git && test_path_is_dir realgitdir/refs ' @@ -326,7 +326,7 @@ test_expect_success SYMLINKS 're-init to move gitdir symlink' ' ln -s here .git && git init --separate-git-dir ../realgitdir ) && - echo "gitdir: `pwd`/realgitdir" >expected && + echo "gitdir: $(pwd)/realgitdir" >expected && test_cmp expected newdir/.git && test_cmp expected newdir/here && test_path_is_dir realgitdir/refs diff --git a/t/t0010-racy-git.sh b/t/t0010-racy-git.sh index e45a9e40e4..5657c5a87b 100755 --- a/t/t0010-racy-git.sh +++ b/t/t0010-racy-git.sh @@ -14,7 +14,7 @@ do git update-index --add infocom echo xyzzy >infocom - files=`git diff-files -p` + files=$(git diff-files -p) test_expect_success \ "Racy GIT trial #$trial part A" \ 'test "" != "$files"' @@ -23,7 +23,7 @@ do echo xyzzy >cornerstone git update-index --add cornerstone - files=`git diff-files -p` + files=$(git diff-files -p) test_expect_success \ "Racy GIT trial #$trial part B" \ 'test "" != "$files"' diff --git a/t/t0020-crlf.sh b/t/t0020-crlf.sh index e526184a0b..d2e51a81bc 100755 --- a/t/t0020-crlf.sh +++ b/t/t0020-crlf.sh @@ -20,14 +20,14 @@ test_expect_success setup ' git commit -m initial && - one=`git rev-parse HEAD:one` && - dir=`git rev-parse HEAD:dir` && - two=`git rev-parse HEAD:dir/two` && - three=`git rev-parse HEAD:three` && + one=$(git rev-parse HEAD:one) && + dir=$(git rev-parse HEAD:dir) && + two=$(git rev-parse HEAD:dir/two) && + three=$(git rev-parse HEAD:three) && for w in Some extra lines here; do echo $w; done >>one && git diff >patch.file && - patched=`git hash-object --stdin <one` && + patched=$(git hash-object --stdin <one) && git read-tree --reset -u HEAD && echo happy. @@ -111,7 +111,7 @@ test_expect_success 'update with autocrlf=input' ' } done && - differs=`git diff-index --cached HEAD` && + differs=$(git diff-index --cached HEAD) && test -z "$differs" || { echo Oops "$differs" false @@ -135,7 +135,7 @@ test_expect_success 'update with autocrlf=true' ' } done && - differs=`git diff-index --cached HEAD` && + differs=$(git diff-index --cached HEAD) && test -z "$differs" || { echo Oops "$differs" false @@ -158,9 +158,9 @@ test_expect_success 'checkout with autocrlf=true' ' break } done && - test "$one" = `git hash-object --stdin <one` && - test "$two" = `git hash-object --stdin <dir/two` && - differs=`git diff-index --cached HEAD` && + test "$one" = $(git hash-object --stdin <one) && + test "$two" = $(git hash-object --stdin <dir/two) && + differs=$(git diff-index --cached HEAD) && test -z "$differs" || { echo Oops "$differs" false @@ -184,9 +184,9 @@ test_expect_success 'checkout with autocrlf=input' ' git update-index -- $f fi done && - test "$one" = `git hash-object --stdin <one` && - test "$two" = `git hash-object --stdin <dir/two` && - differs=`git diff-index --cached HEAD` && + test "$one" = $(git hash-object --stdin <one) && + test "$two" = $(git hash-object --stdin <dir/two) && + differs=$(git diff-index --cached HEAD) && test -z "$differs" || { echo Oops "$differs" false @@ -200,7 +200,7 @@ test_expect_success 'apply patch (autocrlf=input)' ' git read-tree --reset -u HEAD && git apply patch.file && - test "$patched" = "`git hash-object --stdin <one`" || { + test "$patched" = "$(git hash-object --stdin <one)" || { echo "Eh? apply without index" false } @@ -213,7 +213,7 @@ test_expect_success 'apply patch --cached (autocrlf=input)' ' git read-tree --reset -u HEAD && git apply --cached patch.file && - test "$patched" = `git rev-parse :one` || { + test "$patched" = $(git rev-parse :one) || { echo "Eh? apply with --cached" false } @@ -226,8 +226,8 @@ test_expect_success 'apply patch --index (autocrlf=input)' ' git read-tree --reset -u HEAD && git apply --index patch.file && - test "$patched" = `git rev-parse :one` && - test "$patched" = `git hash-object --stdin <one` || { + test "$patched" = $(git rev-parse :one) && + test "$patched" = $(git hash-object --stdin <one) || { echo "Eh? apply with --index" false } @@ -240,7 +240,7 @@ test_expect_success 'apply patch (autocrlf=true)' ' git read-tree --reset -u HEAD && git apply patch.file && - test "$patched" = "`remove_cr <one | git hash-object --stdin`" || { + test "$patched" = "$(remove_cr <one | git hash-object --stdin)" || { echo "Eh? apply without index" false } @@ -253,7 +253,7 @@ test_expect_success 'apply patch --cached (autocrlf=true)' ' git read-tree --reset -u HEAD && git apply --cached patch.file && - test "$patched" = `git rev-parse :one` || { + test "$patched" = $(git rev-parse :one) || { echo "Eh? apply without index" false } @@ -266,8 +266,8 @@ test_expect_success 'apply patch --index (autocrlf=true)' ' git read-tree --reset -u HEAD && git apply --index patch.file && - test "$patched" = `git rev-parse :one` && - test "$patched" = "`remove_cr <one | git hash-object --stdin`" || { + test "$patched" = $(git rev-parse :one) && + test "$patched" = "$(remove_cr <one | git hash-object --stdin)" || { echo "Eh? apply with --index" false } diff --git a/t/t0025-crlf-auto.sh b/t/t0025-crlf-auto.sh index f5f67a6337..b0e5694ebd 100755 --- a/t/t0025-crlf-auto.sh +++ b/t/t0025-crlf-auto.sh @@ -19,9 +19,9 @@ test_expect_success setup ' git commit -m initial && - one=`git rev-parse HEAD:one` && - two=`git rev-parse HEAD:two` && - three=`git rev-parse HEAD:three` && + one=$(git rev-parse HEAD:one) && + two=$(git rev-parse HEAD:two) && + three=$(git rev-parse HEAD:three) && echo happy. ' @@ -33,9 +33,9 @@ test_expect_success 'default settings cause no changes' ' ! has_cr one && has_cr two && - onediff=`git diff one` && - twodiff=`git diff two` && - threediff=`git diff three` && + onediff=$(git diff one) && + twodiff=$(git diff two) && + threediff=$(git diff three) && test -z "$onediff" -a -z "$twodiff" -a -z "$threediff" ' @@ -48,7 +48,7 @@ test_expect_success 'crlf=true causes a CRLF file to be normalized' ' # Note, "normalized" means that git will normalize it if added has_cr two && - twodiff=`git diff two` && + twodiff=$(git diff two) && test -n "$twodiff" ' @@ -60,7 +60,7 @@ test_expect_success 'text=true causes a CRLF file to be normalized' ' # Note, "normalized" means that git will normalize it if added has_cr two && - twodiff=`git diff two` && + twodiff=$(git diff two) && test -n "$twodiff" ' @@ -72,7 +72,7 @@ test_expect_success 'eol=crlf gives a normalized file CRLFs with autocrlf=false' git read-tree --reset -u HEAD && has_cr one && - onediff=`git diff one` && + onediff=$(git diff one) && test -z "$onediff" ' @@ -84,7 +84,7 @@ test_expect_success 'eol=crlf gives a normalized file CRLFs with autocrlf=input' git read-tree --reset -u HEAD && has_cr one && - onediff=`git diff one` && + onediff=$(git diff one) && test -z "$onediff" ' @@ -96,7 +96,7 @@ test_expect_success 'eol=lf gives a normalized file LFs with autocrlf=true' ' git read-tree --reset -u HEAD && ! has_cr one && - onediff=`git diff one` && + onediff=$(git diff one) && test -z "$onediff" ' @@ -108,9 +108,9 @@ test_expect_success 'autocrlf=true does not normalize CRLF files' ' has_cr one && has_cr two && - onediff=`git diff one` && - twodiff=`git diff two` && - threediff=`git diff three` && + onediff=$(git diff one) && + twodiff=$(git diff two) && + threediff=$(git diff three) && test -z "$onediff" -a -z "$twodiff" -a -z "$threediff" ' @@ -123,9 +123,9 @@ test_expect_success 'text=auto, autocrlf=true _does_ normalize CRLF files' ' has_cr one && has_cr two && - onediff=`git diff one` && - twodiff=`git diff two` && - threediff=`git diff three` && + onediff=$(git diff one) && + twodiff=$(git diff two) && + threediff=$(git diff three) && test -z "$onediff" -a -n "$twodiff" -a -z "$threediff" ' @@ -137,7 +137,7 @@ test_expect_success 'text=auto, autocrlf=true does not normalize binary files' ' git read-tree --reset -u HEAD && ! has_cr three && - threediff=`git diff three` && + threediff=$(git diff three) && test -z "$threediff" ' @@ -148,7 +148,7 @@ test_expect_success 'eol=crlf _does_ normalize binary files' ' git read-tree --reset -u HEAD && has_cr three && - threediff=`git diff three` && + threediff=$(git diff three) && test -z "$threediff" ' diff --git a/t/t0026-eol-config.sh b/t/t0026-eol-config.sh index fe0164be62..e1126aa7cc 100755 --- a/t/t0026-eol-config.sh +++ b/t/t0026-eol-config.sh @@ -20,8 +20,8 @@ test_expect_success setup ' git commit -m initial && - one=`git rev-parse HEAD:one` && - two=`git rev-parse HEAD:two` && + one=$(git rev-parse HEAD:one) && + two=$(git rev-parse HEAD:two) && echo happy. ' @@ -34,8 +34,8 @@ test_expect_success 'eol=lf puts LFs in normalized file' ' ! has_cr one && ! has_cr two && - onediff=`git diff one` && - twodiff=`git diff two` && + onediff=$(git diff one) && + twodiff=$(git diff two) && test -z "$onediff" -a -z "$twodiff" ' @@ -47,8 +47,8 @@ test_expect_success 'eol=crlf puts CRLFs in normalized file' ' has_cr one && ! has_cr two && - onediff=`git diff one` && - twodiff=`git diff two` && + onediff=$(git diff one) && + twodiff=$(git diff two) && test -z "$onediff" -a -z "$twodiff" ' @@ -61,8 +61,8 @@ test_expect_success 'autocrlf=true overrides eol=lf' ' has_cr one && has_cr two && - onediff=`git diff one` && - twodiff=`git diff two` && + onediff=$(git diff one) && + twodiff=$(git diff two) && test -z "$onediff" -a -z "$twodiff" ' @@ -75,8 +75,8 @@ test_expect_success 'autocrlf=true overrides unset eol' ' has_cr one && has_cr two && - onediff=`git diff one` && - twodiff=`git diff two` && + onediff=$(git diff one) && + twodiff=$(git diff two) && test -z "$onediff" -a -z "$twodiff" ' diff --git a/t/t0030-stripspace.sh b/t/t0030-stripspace.sh index a8e84d8546..0333dd9875 100755 --- a/t/t0030-stripspace.sh +++ b/t/t0030-stripspace.sh @@ -225,22 +225,22 @@ test_expect_success \ test_expect_success \ 'text without newline at end should end with newline' ' - test `printf "$ttt" | git stripspace | wc -l` -gt 0 && - test `printf "$ttt$ttt" | git stripspace | wc -l` -gt 0 && - test `printf "$ttt$ttt$ttt" | git stripspace | wc -l` -gt 0 && - test `printf "$ttt$ttt$ttt$ttt" | git stripspace | wc -l` -gt 0 + test $(printf "$ttt" | git stripspace | wc -l) -gt 0 && + test $(printf "$ttt$ttt" | git stripspace | wc -l) -gt 0 && + test $(printf "$ttt$ttt$ttt" | git stripspace | wc -l) -gt 0 && + test $(printf "$ttt$ttt$ttt$ttt" | git stripspace | wc -l) -gt 0 ' # text plus spaces at the end: test_expect_success \ 'text plus spaces without newline at end should end with newline' ' - test `printf "$ttt$sss" | git stripspace | wc -l` -gt 0 && - test `printf "$ttt$ttt$sss" | git stripspace | wc -l` -gt 0 && - test `printf "$ttt$ttt$ttt$sss" | git stripspace | wc -l` -gt 0 && - test `printf "$ttt$sss$sss" | git stripspace | wc -l` -gt 0 && - test `printf "$ttt$ttt$sss$sss" | git stripspace | wc -l` -gt 0 && - test `printf "$ttt$sss$sss$sss" | git stripspace | wc -l` -gt 0 + test $(printf "$ttt$sss" | git stripspace | wc -l) -gt 0 && + test $(printf "$ttt$ttt$sss" | git stripspace | wc -l) -gt 0 && + test $(printf "$ttt$ttt$ttt$sss" | git stripspace | wc -l) -gt 0 && + test $(printf "$ttt$sss$sss" | git stripspace | wc -l) -gt 0 && + test $(printf "$ttt$ttt$sss$sss" | git stripspace | wc -l) -gt 0 && + test $(printf "$ttt$sss$sss$sss" | git stripspace | wc -l) -gt 0 ' test_expect_success \ diff --git a/t/t0300-credentials.sh b/t/t0300-credentials.sh index 538ea5fb1c..57ea5a10c5 100755 --- a/t/t0300-credentials.sh +++ b/t/t0300-credentials.sh @@ -6,7 +6,7 @@ test_description='basic credential helper tests' test_expect_success 'setup helper scripts' ' cat >dump <<-\EOF && - whoami=`echo $0 | sed s/.*git-credential-//` + whoami=$(echo $0 | sed s/.*git-credential-//) echo >&2 "$whoami: $*" OIFS=$IFS IFS== diff --git a/t/t1000-read-tree-m-3way.sh b/t/t1000-read-tree-m-3way.sh index babcdd2343..a0b79b4839 100755 --- a/t/t1000-read-tree-m-3way.sh +++ b/t/t1000-read-tree-m-3way.sh @@ -519,10 +519,10 @@ test_expect_success \ 'rm -f .git/index F16 && echo F16 >F16 && git update-index --add F16 && - tree0=`git write-tree` && + tree0=$(git write-tree) && echo E16 >F16 && git update-index F16 && - tree1=`git write-tree` && + tree1=$(git write-tree) && read_tree_must_succeed -m $tree0 $tree1 $tree1 $tree0 && git ls-files --stage' diff --git a/t/t1001-read-tree-m-2way.sh b/t/t1001-read-tree-m-2way.sh index 3a24abf549..db1b6f5cf4 100755 --- a/t/t1001-read-tree-m-2way.sh +++ b/t/t1001-read-tree-m-2way.sh @@ -36,7 +36,7 @@ compare_change () { } check_cache_at () { - clean_if_empty=`git diff-files -- "$1"` + clean_if_empty=$(git diff-files -- "$1") case "$clean_if_empty" in '') echo "$1: clean" ;; ?*) echo "$1: dirty" ;; @@ -68,14 +68,14 @@ test_expect_success \ echo rezrov >rezrov && echo yomin >yomin && git update-index --add nitfol bozbar rezrov && - treeH=`git write-tree` && + treeH=$(git write-tree) && echo treeH $treeH && git ls-tree $treeH && cat bozbar-new >bozbar && git update-index --add frotz bozbar --force-remove rezrov && git ls-files --stage >M.out && - treeM=`git write-tree` && + treeM=$(git write-tree) && echo treeM $treeM && git ls-tree $treeM && git diff-tree $treeH $treeM' @@ -315,7 +315,7 @@ test_expect_success \ 'rm -f .git/index && echo DF >DF && git update-index --add DF && - treeDF=`git write-tree` && + treeDF=$(git write-tree) && echo treeDF $treeDF && git ls-tree $treeDF && @@ -323,7 +323,7 @@ test_expect_success \ mkdir DF && echo DF/DF >DF/DF && git update-index --add --remove DF DF/DF && - treeDFDF=`git write-tree` && + treeDFDF=$(git write-tree) && echo treeDFDF $treeDFDF && git ls-tree $treeDFDF && git ls-files --stage >DFDF.out' @@ -345,7 +345,7 @@ test_expect_success \ 'rm -f .git/index && : >a && git update-index --add a && - treeM=`git write-tree` && + treeM=$(git write-tree) && echo treeM $treeM && git ls-tree $treeM && git ls-files --stage >treeM.out && @@ -354,7 +354,7 @@ test_expect_success \ git update-index --remove a && mkdir a && : >a/b && - treeH=`git write-tree` && + treeH=$(git write-tree) && echo treeH $treeH && git ls-tree $treeH' @@ -372,7 +372,7 @@ test_expect_success \ mkdir c && : >c/d && git update-index --add a c/d && - treeM=`git write-tree` && + treeM=$(git write-tree) && echo treeM $treeM && git ls-tree $treeM && git ls-files --stage >treeM.out && @@ -381,7 +381,7 @@ test_expect_success \ mkdir a && : >a/b && git update-index --add --remove a a/b && - treeH=`git write-tree` && + treeH=$(git write-tree) && echo treeH $treeH && git ls-tree $treeH' diff --git a/t/t1002-read-tree-m-u-2way.sh b/t/t1002-read-tree-m-u-2way.sh index a847709a13..fed877b20f 100755 --- a/t/t1002-read-tree-m-u-2way.sh +++ b/t/t1002-read-tree-m-u-2way.sh @@ -21,7 +21,7 @@ compare_change () { } check_cache_at () { - clean_if_empty=`git diff-files -- "$1"` + clean_if_empty=$(git diff-files -- "$1") case "$clean_if_empty" in '') echo "$1: clean" ;; ?*) echo "$1: dirty" ;; @@ -41,14 +41,14 @@ test_expect_success \ echo bozbar >bozbar && echo rezrov >rezrov && git update-index --add nitfol bozbar rezrov && - treeH=`git write-tree` && + treeH=$(git write-tree) && echo treeH $treeH && git ls-tree $treeH && echo gnusto >bozbar && git update-index --add frotz bozbar --force-remove rezrov && git ls-files --stage >M.out && - treeM=`git write-tree` && + treeM=$(git write-tree) && echo treeM $treeM && git ls-tree $treeM && sum bozbar frotz nitfol >M.sum && @@ -318,7 +318,7 @@ test_expect_success \ 'rm -f .git/index && echo DF >DF && git update-index --add DF && - treeDF=`git write-tree` && + treeDF=$(git write-tree) && echo treeDF $treeDF && git ls-tree $treeDF && @@ -326,7 +326,7 @@ test_expect_success \ mkdir DF && echo DF/DF >DF/DF && git update-index --add --remove DF DF/DF && - treeDFDF=`git write-tree` && + treeDFDF=$(git write-tree) && echo treeDFDF $treeDFDF && git ls-tree $treeDFDF && git ls-files --stage >DFDF.out' diff --git a/t/t1003-read-tree-prefix.sh b/t/t1003-read-tree-prefix.sh index 8c6d67edda..b6111cd150 100755 --- a/t/t1003-read-tree-prefix.sh +++ b/t/t1003-read-tree-prefix.sh @@ -11,7 +11,7 @@ test_description='git read-tree --prefix test. test_expect_success setup ' echo hello >one && git update-index --add one && - tree=`git write-tree` && + tree=$(git write-tree) && echo tree is $tree ' diff --git a/t/t1004-read-tree-m-u-wf.sh b/t/t1004-read-tree-m-u-wf.sh index 3e72aff470..c70cf42300 100755 --- a/t/t1004-read-tree-m-u-wf.sh +++ b/t/t1004-read-tree-m-u-wf.sh @@ -30,7 +30,7 @@ test_expect_success 'two-way not clobbering' ' echo >file2 master creates untracked file2 && echo >subdir/file2 master creates untracked subdir/file2 && - if err=`read_tree_u_must_succeed -m -u master side 2>&1` + if err=$(read_tree_u_must_succeed -m -u master side 2>&1) then echo should have complained false @@ -43,7 +43,7 @@ echo file2 >.gitignore test_expect_success 'two-way with incorrect --exclude-per-directory (1)' ' - if err=`read_tree_u_must_succeed -m --exclude-per-directory=.gitignore master side 2>&1` + if err=$(read_tree_u_must_succeed -m --exclude-per-directory=.gitignore master side 2>&1) then echo should have complained false @@ -54,7 +54,7 @@ test_expect_success 'two-way with incorrect --exclude-per-directory (1)' ' test_expect_success 'two-way with incorrect --exclude-per-directory (2)' ' - if err=`read_tree_u_must_succeed -m -u --exclude-per-directory=foo --exclude-per-directory=.gitignore master side 2>&1` + if err=$(read_tree_u_must_succeed -m -u --exclude-per-directory=foo --exclude-per-directory=.gitignore master side 2>&1) then echo should have complained false @@ -95,7 +95,7 @@ test_expect_success 'three-way not clobbering a working tree file' ' git checkout master && echo >file3 file three created in master, untracked && echo >subdir/file3 file three created in master, untracked && - if err=`read_tree_u_must_succeed -m -u branch-point master side 2>&1` + if err=$(read_tree_u_must_succeed -m -u branch-point master side 2>&1) then echo should have complained false diff --git a/t/t1020-subdirectory.sh b/t/t1020-subdirectory.sh index 6902320e81..62c0d25af4 100755 --- a/t/t1020-subdirectory.sh +++ b/t/t1020-subdirectory.sh @@ -20,27 +20,27 @@ test_expect_success setup ' test_expect_success 'update-index and ls-files' ' git update-index --add one && - case "`git ls-files`" in + case "$(git ls-files)" in one) echo pass one ;; *) echo bad one; exit 1 ;; esac && ( cd dir && git update-index --add two && - case "`git ls-files`" in + case "$(git ls-files)" in two) echo pass two ;; *) echo bad two; exit 1 ;; esac ) && - case "`git ls-files`" in + case "$(git ls-files)" in dir/two"$LF"one) echo pass both ;; *) echo bad; exit 1 ;; esac ' test_expect_success 'cat-file' ' - two=`git ls-files -s dir/two` && - two=`expr "$two" : "[0-7]* \\([0-9a-f]*\\)"` && + two=$(git ls-files -s dir/two) && + two=$(expr "$two" : "[0-7]* \\([0-9a-f]*\\)") && echo "$two" && git cat-file -p "$two" >actual && cmp dir/two actual && @@ -55,18 +55,18 @@ rm -f actual dir/actual test_expect_success 'diff-files' ' echo a >>one && echo d >>dir/two && - case "`git diff-files --name-only`" in + case "$(git diff-files --name-only)" in dir/two"$LF"one) echo pass top ;; *) echo bad top; exit 1 ;; esac && # diff should not omit leading paths ( cd dir && - case "`git diff-files --name-only`" in + case "$(git diff-files --name-only)" in dir/two"$LF"one) echo pass subdir ;; *) echo bad subdir; exit 1 ;; esac && - case "`git diff-files --name-only .`" in + case "$(git diff-files --name-only .)" in dir/two) echo pass subdir limited ;; *) echo bad subdir limited; exit 1 ;; esac @@ -74,11 +74,11 @@ test_expect_success 'diff-files' ' ' test_expect_success 'write-tree' ' - top=`git write-tree` && + top=$(git write-tree) && echo $top && ( cd dir && - sub=`git write-tree` && + sub=$(git write-tree) && echo $sub && test "z$top" = "z$sub" ) @@ -96,7 +96,7 @@ test_expect_success 'checkout-index' ' test_expect_success 'read-tree' ' rm -f one dir/two && - tree=`git write-tree` && + tree=$(git write-tree) && read_tree_u_must_succeed --reset -u "$tree" && cmp one original.one && cmp dir/two original.two && diff --git a/t/t1050-large.sh b/t/t1050-large.sh index fd10528009..aea493646e 100755 --- a/t/t1050-large.sh +++ b/t/t1050-large.sh @@ -131,7 +131,7 @@ test_expect_success 'git-show a large file' ' ' test_expect_success 'index-pack' ' - git clone file://"`pwd`"/.git foo && + git clone file://"$(pwd)"/.git foo && GIT_DIR=non-existent git index-pack --strict --verify foo/.git/objects/pack/*.pack ' @@ -140,7 +140,7 @@ test_expect_success 'repack' ' ' test_expect_success 'pack-objects with large loose object' ' - SHA1=`git hash-object huge` && + SHA1=$(git hash-object huge) && test_create_repo loose && echo $SHA1 | git pack-objects --stdout | GIT_ALLOC_LIMIT=0 GIT_DIR=loose/.git git unpack-objects && diff --git a/t/t1300-repo-config.sh b/t/t1300-repo-config.sh index 58cd5435be..3f80ff0c14 100755 --- a/t/t1300-repo-config.sh +++ b/t/t1300-repo-config.sh @@ -1158,4 +1158,14 @@ test_expect_failure 'adding a key into an empty section reuses header' ' test_cmp expect .git/config ' +test_expect_success POSIXPERM,PERL 'preserves existing permissions' ' + chmod 0600 .git/config && + git config imap.pass Hunter2 && + perl -e \ + "die q(badset) if ((stat(q(.git/config)))[2] & 07777) != 0600" && + git config --rename-section imap pop && + perl -e \ + "die q(badrename) if ((stat(q(.git/config)))[2] & 07777) != 0600" +' + test_done diff --git a/t/t1400-update-ref.sh b/t/t1400-update-ref.sh index e130c528fe..4e2459afc5 100755 --- a/t/t1400-update-ref.sh +++ b/t/t1400-update-ref.sh @@ -350,22 +350,28 @@ test_expect_success 'stdin fails on unknown command' ' grep "fatal: unknown command: unknown $a" err ' -test_expect_success 'stdin fails on badly quoted input' ' +test_expect_success 'stdin fails on unbalanced quotes' ' echo "create $a \"master" >stdin && test_must_fail git update-ref --stdin <stdin 2>err && grep "fatal: badly quoted argument: \\\"master" err ' -test_expect_success 'stdin fails on arguments not separated by space' ' +test_expect_success 'stdin fails on invalid escape' ' + echo "create $a \"ma\zter\"" >stdin && + test_must_fail git update-ref --stdin <stdin 2>err && + grep "fatal: badly quoted argument: \\\"ma\\\\zter\\\"" err +' + +test_expect_success 'stdin fails on junk after quoted argument' ' echo "create \"$a\"master" >stdin && test_must_fail git update-ref --stdin <stdin 2>err && - grep "fatal: expected SP but got: master" err + grep "fatal: unexpected character after quoted argument: \\\"$a\\\"master" err ' test_expect_success 'stdin fails create with no ref' ' echo "create " >stdin && test_must_fail git update-ref --stdin <stdin 2>err && - grep "fatal: create line missing <ref>" err + grep "fatal: create: missing <ref>" err ' test_expect_success 'stdin fails create with bad ref name' ' @@ -377,19 +383,19 @@ test_expect_success 'stdin fails create with bad ref name' ' test_expect_success 'stdin fails create with no new value' ' echo "create $a" >stdin && test_must_fail git update-ref --stdin <stdin 2>err && - grep "fatal: create $a missing <newvalue>" err + grep "fatal: create $a: missing <newvalue>" err ' test_expect_success 'stdin fails create with too many arguments' ' echo "create $a $m $m" >stdin && test_must_fail git update-ref --stdin <stdin 2>err && - grep "fatal: create $a has extra input: $m" err + grep "fatal: create $a: extra input: $m" err ' test_expect_success 'stdin fails update with no ref' ' echo "update " >stdin && test_must_fail git update-ref --stdin <stdin 2>err && - grep "fatal: update line missing <ref>" err + grep "fatal: update: missing <ref>" err ' test_expect_success 'stdin fails update with bad ref name' ' @@ -401,19 +407,19 @@ test_expect_success 'stdin fails update with bad ref name' ' test_expect_success 'stdin fails update with no new value' ' echo "update $a" >stdin && test_must_fail git update-ref --stdin <stdin 2>err && - grep "fatal: update $a missing <newvalue>" err + grep "fatal: update $a: missing <newvalue>" err ' test_expect_success 'stdin fails update with too many arguments' ' echo "update $a $m $m $m" >stdin && test_must_fail git update-ref --stdin <stdin 2>err && - grep "fatal: update $a has extra input: $m" err + grep "fatal: update $a: extra input: $m" err ' test_expect_success 'stdin fails delete with no ref' ' echo "delete " >stdin && test_must_fail git update-ref --stdin <stdin 2>err && - grep "fatal: delete line missing <ref>" err + grep "fatal: delete: missing <ref>" err ' test_expect_success 'stdin fails delete with bad ref name' ' @@ -425,13 +431,13 @@ test_expect_success 'stdin fails delete with bad ref name' ' test_expect_success 'stdin fails delete with too many arguments' ' echo "delete $a $m $m" >stdin && test_must_fail git update-ref --stdin <stdin 2>err && - grep "fatal: delete $a has extra input: $m" err + grep "fatal: delete $a: extra input: $m" err ' test_expect_success 'stdin fails verify with too many arguments' ' echo "verify $a $m $m" >stdin && test_must_fail git update-ref --stdin <stdin 2>err && - grep "fatal: verify $a has extra input: $m" err + grep "fatal: verify $a: extra input: $m" err ' test_expect_success 'stdin fails option with unknown name' ' @@ -458,6 +464,24 @@ test_expect_success 'stdin create ref works' ' test_cmp expect actual ' +test_expect_success 'stdin succeeds with quoted argument' ' + git update-ref -d $a && + echo "create $a \"$m\"" >stdin && + git update-ref --stdin <stdin && + git rev-parse $m >expect && + git rev-parse $a >actual && + test_cmp expect actual +' + +test_expect_success 'stdin succeeds with escaped character' ' + git update-ref -d $a && + echo "create $a \"ma\\163ter\"" >stdin && + git update-ref --stdin <stdin && + git rev-parse $m >expect && + git rev-parse $a >actual && + test_cmp expect actual +' + test_expect_success 'stdin update ref creates with zero old value' ' echo "update $b $m $Z" >stdin && git update-ref --stdin <stdin && @@ -494,21 +518,21 @@ test_expect_success 'stdin update ref fails with wrong old value' ' test_expect_success 'stdin update ref fails with bad old value' ' echo "update $c $m does-not-exist" >stdin && test_must_fail git update-ref --stdin <stdin 2>err && - grep "fatal: invalid old value for ref $c: does-not-exist" err && + grep "fatal: update $c: invalid <oldvalue>: does-not-exist" err && test_must_fail git rev-parse --verify -q $c ' test_expect_success 'stdin create ref fails with bad new value' ' echo "create $c does-not-exist" >stdin && test_must_fail git update-ref --stdin <stdin 2>err && - grep "fatal: invalid new value for ref $c: does-not-exist" err && + grep "fatal: create $c: invalid <newvalue>: does-not-exist" err && test_must_fail git rev-parse --verify -q $c ' test_expect_success 'stdin create ref fails with zero new value' ' echo "create $c " >stdin && test_must_fail git update-ref --stdin <stdin 2>err && - grep "fatal: create $c given zero new value" err && + grep "fatal: create $c: zero <newvalue>" err && test_must_fail git rev-parse --verify -q $c ' @@ -532,7 +556,7 @@ test_expect_success 'stdin delete ref fails with wrong old value' ' test_expect_success 'stdin delete ref fails with zero old value' ' echo "delete $a " >stdin && test_must_fail git update-ref --stdin <stdin 2>err && - grep "fatal: delete $a given zero old value" err && + grep "fatal: delete $a: zero <oldvalue>" err && git rev-parse $m >expect && git rev-parse $a >actual && test_cmp expect actual @@ -673,7 +697,7 @@ test_expect_success 'stdin -z fails on unknown command' ' test_expect_success 'stdin -z fails create with no ref' ' printf $F "create " >stdin && test_must_fail git update-ref -z --stdin <stdin 2>err && - grep "fatal: create line missing <ref>" err + grep "fatal: create: missing <ref>" err ' test_expect_success 'stdin -z fails create with bad ref name' ' @@ -685,7 +709,7 @@ test_expect_success 'stdin -z fails create with bad ref name' ' test_expect_success 'stdin -z fails create with no new value' ' printf $F "create $a" >stdin && test_must_fail git update-ref -z --stdin <stdin 2>err && - grep "fatal: create $a missing <newvalue>" err + grep "fatal: create $a: unexpected end of input when reading <newvalue>" err ' test_expect_success 'stdin -z fails create with too many arguments' ' @@ -697,25 +721,39 @@ test_expect_success 'stdin -z fails create with too many arguments' ' test_expect_success 'stdin -z fails update with no ref' ' printf $F "update " >stdin && test_must_fail git update-ref -z --stdin <stdin 2>err && - grep "fatal: update line missing <ref>" err + grep "fatal: update: missing <ref>" err +' + +test_expect_success 'stdin -z fails update with too few args' ' + printf $F "update $a" "$m" >stdin && + test_must_fail git update-ref -z --stdin <stdin 2>err && + grep "fatal: update $a: unexpected end of input when reading <oldvalue>" err ' test_expect_success 'stdin -z fails update with bad ref name' ' - printf $F "update ~a" "$m" >stdin && + printf $F "update ~a" "$m" "" >stdin && test_must_fail git update-ref -z --stdin <stdin 2>err && grep "fatal: invalid ref format: ~a" err ' +test_expect_success 'stdin -z emits warning with empty new value' ' + git update-ref $a $m && + printf $F "update $a" "" "" >stdin && + git update-ref -z --stdin <stdin 2>err && + grep "warning: update $a: missing <newvalue>, treating as zero" err && + test_must_fail git rev-parse --verify -q $a +' + test_expect_success 'stdin -z fails update with no new value' ' printf $F "update $a" >stdin && test_must_fail git update-ref -z --stdin <stdin 2>err && - grep "fatal: update $a missing <newvalue>" err + grep "fatal: update $a: unexpected end of input when reading <newvalue>" err ' test_expect_success 'stdin -z fails update with no old value' ' printf $F "update $a" "$m" >stdin && test_must_fail git update-ref -z --stdin <stdin 2>err && - grep "fatal: update $a missing \\[<oldvalue>\\] NUL" err + grep "fatal: update $a: unexpected end of input when reading <oldvalue>" err ' test_expect_success 'stdin -z fails update with too many arguments' ' @@ -727,7 +765,7 @@ test_expect_success 'stdin -z fails update with too many arguments' ' test_expect_success 'stdin -z fails delete with no ref' ' printf $F "delete " >stdin && test_must_fail git update-ref -z --stdin <stdin 2>err && - grep "fatal: delete line missing <ref>" err + grep "fatal: delete: missing <ref>" err ' test_expect_success 'stdin -z fails delete with bad ref name' ' @@ -739,7 +777,7 @@ test_expect_success 'stdin -z fails delete with bad ref name' ' test_expect_success 'stdin -z fails delete with no old value' ' printf $F "delete $a" >stdin && test_must_fail git update-ref -z --stdin <stdin 2>err && - grep "fatal: delete $a missing \\[<oldvalue>\\] NUL" err + grep "fatal: delete $a: unexpected end of input when reading <oldvalue>" err ' test_expect_success 'stdin -z fails delete with too many arguments' ' @@ -757,7 +795,7 @@ test_expect_success 'stdin -z fails verify with too many arguments' ' test_expect_success 'stdin -z fails verify with no old value' ' printf $F "verify $a" >stdin && test_must_fail git update-ref -z --stdin <stdin 2>err && - grep "fatal: verify $a missing \\[<oldvalue>\\] NUL" err + grep "fatal: verify $a: unexpected end of input when reading <oldvalue>" err ' test_expect_success 'stdin -z fails option with unknown name' ' @@ -816,7 +854,7 @@ test_expect_success 'stdin -z update ref fails with wrong old value' ' test_expect_success 'stdin -z update ref fails with bad old value' ' printf $F "update $c" "$m" "does-not-exist" >stdin && test_must_fail git update-ref -z --stdin <stdin 2>err && - grep "fatal: invalid old value for ref $c: does-not-exist" err && + grep "fatal: update $c: invalid <oldvalue>: does-not-exist" err && test_must_fail git rev-parse --verify -q $c ' @@ -834,14 +872,14 @@ test_expect_success 'stdin -z create ref fails with bad new value' ' git update-ref -d "$c" && printf $F "create $c" "does-not-exist" >stdin && test_must_fail git update-ref -z --stdin <stdin 2>err && - grep "fatal: invalid new value for ref $c: does-not-exist" err && + grep "fatal: create $c: invalid <newvalue>: does-not-exist" err && test_must_fail git rev-parse --verify -q $c ' -test_expect_success 'stdin -z create ref fails with zero new value' ' +test_expect_success 'stdin -z create ref fails with empty new value' ' printf $F "create $c" "" >stdin && test_must_fail git update-ref -z --stdin <stdin 2>err && - grep "fatal: create $c given zero new value" err && + grep "fatal: create $c: missing <newvalue>" err && test_must_fail git rev-parse --verify -q $c ' @@ -865,7 +903,7 @@ test_expect_success 'stdin -z delete ref fails with wrong old value' ' test_expect_success 'stdin -z delete ref fails with zero old value' ' printf $F "delete $a" "$Z" >stdin && test_must_fail git update-ref -z --stdin <stdin 2>err && - grep "fatal: delete $a given zero old value" err && + grep "fatal: delete $a: zero <oldvalue>" err && git rev-parse $m >expect && git rev-parse $a >actual && test_cmp expect actual @@ -923,7 +961,7 @@ test_expect_success 'stdin -z update refs works with identity updates' ' test_expect_success 'stdin -z update refs fails with wrong old value' ' git update-ref $c $m && - printf $F "update $a" "$m" "$m" "update $b" "$m" "$m" "update $c" "" "$Z" >stdin && + printf $F "update $a" "$m" "$m" "update $b" "$m" "$m" "update $c" "$m" "$Z" >stdin && test_must_fail git update-ref -z --stdin <stdin 2>err && grep "fatal: Cannot lock the ref '"'"'$c'"'"'" err && git rev-parse $m >expect && diff --git a/t/t1410-reflog.sh b/t/t1410-reflog.sh index 236b13a3ab..8cab06f90a 100755 --- a/t/t1410-reflog.sh +++ b/t/t1410-reflog.sh @@ -245,4 +245,12 @@ test_expect_success 'gc.reflogexpire=false' ' ' +test_expect_success 'checkout should not delete log for packed ref' ' + test $(git reflog master | wc -l) = 4 && + git branch foo && + git pack-refs --all && + git checkout foo && + test $(git reflog master | wc -l) = 4 +' + test_done diff --git a/t/t1507-rev-parse-upstream.sh b/t/t1507-rev-parse-upstream.sh index 178694ee63..1978947c41 100755 --- a/t/t1507-rev-parse-upstream.sh +++ b/t/t1507-rev-parse-upstream.sh @@ -121,7 +121,7 @@ test_expect_success 'merge my-side@{u} records the correct name' ' git branch -D new ;# can fail but is ok git branch -t new my-side@{u} && git merge -s ours new@{u} && - git show -s --pretty=format:%s >actual && + git show -s --pretty=tformat:%s >actual && echo "Merge remote-tracking branch ${sq}origin/side${sq}" >expect && test_cmp expect actual ) diff --git a/t/t3404-rebase-interactive.sh b/t/t3404-rebase-interactive.sh index c0023a5b4f..8197ed29a9 100755 --- a/t/t3404-rebase-interactive.sh +++ b/t/t3404-rebase-interactive.sh @@ -67,6 +67,14 @@ test_expect_success 'setup' ' SHELL= export SHELL +test_expect_success 'rebase --keep-empty' ' + git checkout -b emptybranch master && + git commit --allow-empty -m "empty" && + git rebase --keep-empty -i HEAD~2 && + git log --oneline >actual && + test_line_count = 6 actual +' + test_expect_success 'rebase -i with the exec command' ' git checkout master && ( diff --git a/t/t3508-cherry-pick-many-commits.sh b/t/t3508-cherry-pick-many-commits.sh index 19c99d7ef1..b457333e18 100755 --- a/t/t3508-cherry-pick-many-commits.sh +++ b/t/t3508-cherry-pick-many-commits.sh @@ -65,12 +65,15 @@ test_expect_success 'output to keep user entertained during multi-pick' ' cat <<-\EOF >expected && [master OBJID] second Author: A U Thor <author@example.com> + Date: Thu Apr 7 15:14:13 2005 -0700 1 file changed, 1 insertion(+) [master OBJID] third Author: A U Thor <author@example.com> + Date: Thu Apr 7 15:15:13 2005 -0700 1 file changed, 1 insertion(+) [master OBJID] fourth Author: A U Thor <author@example.com> + Date: Thu Apr 7 15:16:13 2005 -0700 1 file changed, 1 insertion(+) EOF @@ -98,14 +101,17 @@ test_expect_success 'output during multi-pick indicates merge strategy' ' Trying simple merge. [master OBJID] second Author: A U Thor <author@example.com> + Date: Thu Apr 7 15:14:13 2005 -0700 1 file changed, 1 insertion(+) Trying simple merge. [master OBJID] third Author: A U Thor <author@example.com> + Date: Thu Apr 7 15:15:13 2005 -0700 1 file changed, 1 insertion(+) Trying simple merge. [master OBJID] fourth Author: A U Thor <author@example.com> + Date: Thu Apr 7 15:16:13 2005 -0700 1 file changed, 1 insertion(+) EOF diff --git a/t/t3905-stash-include-untracked.sh b/t/t3905-stash-include-untracked.sh index a5e7e6b2ba..f372fc8ca8 100755 --- a/t/t3905-stash-include-untracked.sh +++ b/t/t3905-stash-include-untracked.sh @@ -96,8 +96,8 @@ test_expect_success 'stash pop after save --include-untracked leaves files untra git stash pop && git status --porcelain >actual && test_cmp expect actual && - test "1" = "`cat file2`" && - test untracked = "`cat untracked/untracked`" + test "1" = "$(cat file2)" && + test untracked = "$(cat untracked/untracked)" ' git clean --force --quiet -d diff --git a/t/t3910-mac-os-precompose.sh b/t/t3910-mac-os-precompose.sh index e4ba6013e4..831935665e 100755 --- a/t/t3910-mac-os-precompose.sh +++ b/t/t3910-mac-os-precompose.sh @@ -14,13 +14,13 @@ then fi # create utf-8 variables -Adiarnfc=`printf '\303\204'` -Adiarnfd=`printf 'A\314\210'` +Adiarnfc=$(printf '\303\204') +Adiarnfd=$(printf 'A\314\210') -Odiarnfc=`printf '\303\226'` -Odiarnfd=`printf 'O\314\210'` -AEligatu=`printf '\303\206'` -Invalidu=`printf '\303\377'` +Odiarnfc=$(printf '\303\226') +Odiarnfd=$(printf 'O\314\210') +AEligatu=$(printf '\303\206') +Invalidu=$(printf '\303\377') #Create a string with 255 bytes (decomposed) @@ -35,7 +35,7 @@ Alongc=$Alongc$Alongc$Alongc$Alongc$Alongc #250 Byte Alongc=$Alongc$AEligatu$AEligatu #254 Byte test_expect_success "detect if nfd needed" ' - precomposeunicode=`git config core.precomposeunicode` && + precomposeunicode=$(git config core.precomposeunicode) && test "$precomposeunicode" = true && git config core.precomposeunicode true ' @@ -140,13 +140,23 @@ test_expect_success "Add long precomposed filename" ' git add * && git commit -m "Long filename" ' + +test_expect_failure 'handle existing decomposed filenames' ' + echo content >"verbatim.$Adiarnfd" && + git -c core.precomposeunicode=false add "verbatim.$Adiarnfd" && + git commit -m "existing decomposed file" && + >expect && + git ls-files --exclude-standard -o "verbatim*" >untracked && + test_cmp expect untracked +' + # Test if the global core.precomposeunicode stops autosensing # Must be the last test case test_expect_success "respect git config --global core.precomposeunicode" ' git config --global core.precomposeunicode true && rm -rf .git && git init && - precomposeunicode=`git config core.precomposeunicode` && + precomposeunicode=$(git config core.precomposeunicode) && test "$precomposeunicode" = "true" ' diff --git a/t/t4006-diff-mode.sh b/t/t4006-diff-mode.sh index 05911492ca..76f643b2c2 100755 --- a/t/t4006-diff-mode.sh +++ b/t/t4006-diff-mode.sh @@ -13,7 +13,7 @@ sed_script='s/\(:100644 100755\) \('"$_x40"'\) \2 /\1 X X /' test_expect_success 'setup' ' echo frotz >rezrov && git update-index --add rezrov && - tree=`git write-tree` && + tree=$(git write-tree) && echo $tree ' diff --git a/t/t4010-diff-pathspec.sh b/t/t4010-diff-pathspec.sh index 2bb973655b..bf07841866 100755 --- a/t/t4010-diff-pathspec.sh +++ b/t/t4010-diff-pathspec.sh @@ -18,7 +18,7 @@ test_expect_success \ mkdir path1 && echo rezrov >path1/file1 && git update-index --add file0 path1/file1 && - tree=`git write-tree` && + tree=$(git write-tree) && echo "$tree" && echo nitfol >file0 && echo yomin >path1/file1 && @@ -131,7 +131,7 @@ test_expect_success 'diff multiple wildcard pathspecs' ' mkdir path2 && echo rezrov >path2/file1 && git update-index --add path2/file1 && - tree3=`git write-tree` && + tree3=$(git write-tree) && git diff --name-only $tree $tree3 -- "path2*1" "path1*1" >actual && cat <<-\EOF >expect && path1/file1 diff --git a/t/t4012-diff-binary.sh b/t/t4012-diff-binary.sh index 1215ae544b..643d729157 100755 --- a/t/t4012-diff-binary.sh +++ b/t/t4012-diff-binary.sh @@ -67,18 +67,18 @@ test_expect_success C_LOCALE_OUTPUT 'apply detecting corrupt patch correctly' ' git diff >output && sed -e "s/-CIT/xCIT/" <output >broken && test_must_fail git apply --stat --summary broken 2>detected && - detected=`cat detected` && - detected=`expr "$detected" : "fatal.*at line \\([0-9]*\\)\$"` && - detected=`sed -ne "${detected}p" broken` && + detected=$(cat detected) && + detected=$(expr "$detected" : "fatal.*at line \\([0-9]*\\)\$") && + detected=$(sed -ne "${detected}p" broken) && test "$detected" = xCIT ' test_expect_success C_LOCALE_OUTPUT 'apply detecting corrupt patch correctly' ' git diff --binary | sed -e "s/-CIT/xCIT/" >broken && test_must_fail git apply --stat --summary broken 2>detected && - detected=`cat detected` && - detected=`expr "$detected" : "fatal.*at line \\([0-9]*\\)\$"` && - detected=`sed -ne "${detected}p" broken` && + detected=$(cat detected) && + detected=$(expr "$detected" : "fatal.*at line \\([0-9]*\\)\$") && + detected=$(sed -ne "${detected}p" broken) && test "$detected" = xCIT ' @@ -88,7 +88,7 @@ test_expect_success 'initial commit' 'git commit -a -m initial' test_expect_success 'diff-index with --binary' ' echo AIT >a && mv b e && echo CIT >c && cat e >d && git update-index --add --remove a b c d e && - tree0=`git write-tree` && + tree0=$(git write-tree) && git diff --cached --binary >current && git apply --stat --summary current ' @@ -96,7 +96,7 @@ test_expect_success 'diff-index with --binary' ' test_expect_success 'apply binary patch' ' git reset --hard && git apply --binary --index <current && - tree1=`git write-tree` && + tree1=$(git write-tree) && test "$tree1" = "$tree0" ' diff --git a/t/t4013-diff-various.sh b/t/t4013-diff-various.sh index e77c09c37e..805b055c89 100755 --- a/t/t4013-diff-various.sh +++ b/t/t4013-diff-various.sh @@ -107,14 +107,14 @@ test_expect_success setup ' +*++ [initial] Initial EOF -V=`git version | sed -e 's/^git version //' -e 's/\./\\./g'` +V=$(git version | sed -e 's/^git version //' -e 's/\./\\./g') while read cmd do case "$cmd" in '' | '#'*) continue ;; esac - test=`echo "$cmd" | sed -e 's|[/ ][/ ]*|_|g'` - pfx=`printf "%04d" $test_count` + test=$(echo "$cmd" | sed -e 's|[/ ][/ ]*|_|g') + pfx=$(printf "%04d" $test_count) expect="$TEST_DIRECTORY/t4013/diff.$test" actual="$pfx-diff.$test" diff --git a/t/t4014-format-patch.sh b/t/t4014-format-patch.sh index 9c80633146..282bee4a54 100755 --- a/t/t4014-format-patch.sh +++ b/t/t4014-format-patch.sh @@ -43,7 +43,7 @@ test_expect_success setup ' test_expect_success "format-patch --ignore-if-in-upstream" ' git format-patch --stdout master..side >patch0 && - cnt=`grep "^From " patch0 | wc -l` && + cnt=$(grep "^From " patch0 | wc -l) && test $cnt = 3 ' @@ -52,7 +52,7 @@ test_expect_success "format-patch --ignore-if-in-upstream" ' git format-patch --stdout \ --ignore-if-in-upstream master..side >patch1 && - cnt=`grep "^From " patch1 | wc -l` && + cnt=$(grep "^From " patch1 | wc -l) && test $cnt = 2 ' @@ -69,7 +69,7 @@ test_expect_success "format-patch doesn't consider merge commits" ' git checkout -b merger master && test_tick && git merge --no-ff slave && - cnt=`git format-patch -3 --stdout | grep "^From " | wc -l` && + cnt=$(git format-patch -3 --stdout | grep "^From " | wc -l) && test $cnt = 3 ' @@ -77,7 +77,7 @@ test_expect_success "format-patch result applies" ' git checkout -b rebuild-0 master && git am -3 patch0 && - cnt=`git rev-list master.. | wc -l` && + cnt=$(git rev-list master.. | wc -l) && test $cnt = 2 ' @@ -85,7 +85,7 @@ test_expect_success "format-patch --ignore-if-in-upstream result applies" ' git checkout -b rebuild-1 master && git am -3 patch1 && - cnt=`git rev-list master.. | wc -l` && + cnt=$(git rev-list master.. | wc -l) && test $cnt = 2 ' diff --git a/t/t4036-format-patch-signer-mime.sh b/t/t4036-format-patch-signer-mime.sh index ba43f18549..98d9713d8b 100755 --- a/t/t4036-format-patch-signer-mime.sh +++ b/t/t4036-format-patch-signer-mime.sh @@ -42,7 +42,7 @@ test_expect_success 'attach and signoff do not duplicate mime headers' ' GIT_COMMITTER_NAME="はまの ふにおう" \ git format-patch -s --stdout -1 --attach >output && - test `grep -ci ^MIME-Version: output` = 1 + test $(grep -ci ^MIME-Version: output) = 1 ' diff --git a/t/t4038-diff-combined.sh b/t/t4038-diff-combined.sh index 1019d7b35f..41913c3aa3 100755 --- a/t/t4038-diff-combined.sh +++ b/t/t4038-diff-combined.sh @@ -94,7 +94,7 @@ test_expect_success 'setup for --cc --raw' ' blob=$(echo file | git hash-object --stdin -w) && base_tree=$(echo "100644 blob $blob file" | git mktree) && trees= && - for i in `test_seq 1 40` + for i in $(test_seq 1 40) do blob=$(echo file$i | git hash-object --stdin -w) && trees="$trees$(echo "100644 blob $blob file" | git mktree)$LF" diff --git a/t/t4057-diff-combined-paths.sh b/t/t4057-diff-combined-paths.sh index 097e63215e..dff36b77ec 100755 --- a/t/t4057-diff-combined-paths.sh +++ b/t/t4057-diff-combined-paths.sh @@ -5,7 +5,7 @@ test_description='combined diff show only paths that are different to all parent . ./test-lib.sh # verify that diffc.expect matches output of -# `git diff -c --name-only HEAD HEAD^ HEAD^2` +# $(git diff -c --name-only HEAD HEAD^ HEAD^2) diffc_verify () { git diff -c --name-only HEAD HEAD^ HEAD^2 >diffc.actual && test_cmp diffc.expect diffc.actual diff --git a/t/t4107-apply-ignore-whitespace.sh b/t/t4107-apply-ignore-whitespace.sh index b04fc8fc12..9e29b5262d 100755 --- a/t/t4107-apply-ignore-whitespace.sh +++ b/t/t4107-apply-ignore-whitespace.sh @@ -111,7 +111,6 @@ sed -e 's/T/ /g' > main.c.final <<\EOF #include <stdio.h> void print_int(int num); -T/* a comment */ int func(int num); int main() { @@ -154,7 +153,8 @@ test_expect_success 'patch2 reverse applies with --ignore-space-change' ' git config apply.ignorewhitespace change test_expect_success 'patch2 applies (apply.ignorewhitespace = change)' ' - git apply patch2.patch + git apply patch2.patch && + test_cmp main.c.final main.c ' test_expect_success 'patch3 fails (missing string at EOL)' ' @@ -165,12 +165,8 @@ test_expect_success 'patch4 fails (missing EOL at EOF)' ' test_must_fail git apply patch4.patch ' -test_expect_success 'patch5 applies (leading whitespace)' ' - git apply patch5.patch -' - -test_expect_success 'patches do not mangle whitespace' ' - test_cmp main.c main.c.final +test_expect_success 'patch5 fails (leading whitespace differences matter)' ' + test_must_fail git apply patch5.patch ' test_expect_success 're-create file (with --ignore-whitespace)' ' diff --git a/t/t4116-apply-reverse.sh b/t/t4116-apply-reverse.sh index 1e4d4380bf..ce8567f496 100755 --- a/t/t4116-apply-reverse.sh +++ b/t/t4116-apply-reverse.sh @@ -30,10 +30,10 @@ test_expect_success setup ' test_expect_success 'apply in forward' ' - T0=`git rev-parse "second^{tree}"` && + T0=$(git rev-parse "second^{tree}") && git reset --hard initial && git apply --index --binary patch && - T1=`git write-tree` && + T1=$(git write-tree) && test "$T0" = "$T1" ' @@ -62,22 +62,22 @@ test_expect_success 'setup separate repository lacking postimage' ' test_expect_success 'apply in forward without postimage' ' - T0=`git rev-parse "second^{tree}"` && + T0=$(git rev-parse "second^{tree}") && ( cd initial && git apply --index --binary ../patch && - T1=`git write-tree` && + T1=$(git write-tree) && test "$T0" = "$T1" ) ' test_expect_success 'apply in reverse without postimage' ' - T0=`git rev-parse "initial^{tree}"` && + T0=$(git rev-parse "initial^{tree}") && ( cd second && git apply --index --binary --reverse ../patch && - T1=`git write-tree` && + T1=$(git write-tree) && test "$T0" = "$T1" ) ' diff --git a/t/t4119-apply-config.sh b/t/t4119-apply-config.sh index 3d0384daa8..c393be691b 100755 --- a/t/t4119-apply-config.sh +++ b/t/t4119-apply-config.sh @@ -68,7 +68,7 @@ test_expect_success 'apply --whitespace=strip from config' ' check_result sub/file1 ' -D=`pwd` +D=$(pwd) test_expect_success 'apply --whitespace=strip in subdir' ' diff --git a/t/t4204-patch-id.sh b/t/t4204-patch-id.sh index d2c930de87..7940f6f0b9 100755 --- a/t/t4204-patch-id.sh +++ b/t/t4204-patch-id.sh @@ -45,8 +45,8 @@ test_expect_success 'patch-id supports git-format-patch output' ' git checkout same && git format-patch -1 --stdout | calc_patch_id same && test_cmp patch-id_master patch-id_same && - set `git format-patch -1 --stdout | git patch-id` && - test "$2" = `git rev-parse HEAD` + set $(git format-patch -1 --stdout | git patch-id) && + test "$2" = $(git rev-parse HEAD) ' test_expect_success 'whitespace is irrelevant in footer' ' diff --git a/t/t5000-tar-tree.sh b/t/t5000-tar-tree.sh index 1cf0a4e103..74fc5a88ec 100755 --- a/t/t5000-tar-tree.sh +++ b/t/t5000-tar-tree.sh @@ -123,7 +123,7 @@ test_expect_success \ 'add files to repository' \ 'find a -type f | xargs git update-index --add && find a -type l | xargs git update-index --add && - treeid=`git write-tree` && + treeid=$(git write-tree) && echo $treeid >treeid && git update-ref HEAD $(TZ=GMT GIT_COMMITTER_DATE="2005-05-27 22:00:00" \ git commit-tree $treeid </dev/null)' @@ -207,7 +207,7 @@ test_expect_success \ test_expect_success 'clients cannot access unreachable commits' ' test_commit unreachable && - sha1=`git rev-parse HEAD` && + sha1=$(git rev-parse HEAD) && git reset --hard HEAD^ && git archive $sha1 >remote.tar && test_must_fail git archive --remote=. $sha1 >remote.tar @@ -215,7 +215,7 @@ test_expect_success 'clients cannot access unreachable commits' ' test_expect_success 'upload-archive can allow unreachable commits' ' test_commit unreachable1 && - sha1=`git rev-parse HEAD` && + sha1=$(git rev-parse HEAD) && git reset --hard HEAD^ && git archive $sha1 >remote.tar && test_config uploadarchive.allowUnreachable true && diff --git a/t/t5537-fetch-shallow.sh b/t/t5537-fetch-shallow.sh index be951a4679..a980574682 100755 --- a/t/t5537-fetch-shallow.sh +++ b/t/t5537-fetch-shallow.sh @@ -173,33 +173,6 @@ EOF ) ' -if test -n "$NO_CURL" -o -z "$GIT_TEST_HTTPD"; then - say 'skipping remaining tests, git built without http support' - test_done -fi - -LIB_HTTPD_PORT=${LIB_HTTPD_PORT-'5537'} -. "$TEST_DIRECTORY"/lib-httpd.sh -start_httpd - -test_expect_success 'clone http repository' ' - git clone --bare --no-local shallow "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" && - git clone $HTTPD_URL/smart/repo.git clone && - ( - cd clone && - git fsck && - git log --format=%s origin/master >actual && - cat <<EOF >expect && -7 -6 -5 -4 -3 -EOF - test_cmp expect actual - ) -' - test_expect_success POSIXPERM,SANITY 'shallow fetch from a read-only repo' ' cp -R .git read-only.git && find read-only.git -print | xargs chmod -w && @@ -213,5 +186,4 @@ EOF test_cmp expect actual ' -stop_httpd test_done diff --git a/t/t6039-merge-ignorecase.sh b/t/t6039-merge-ignorecase.sh new file mode 100755 index 0000000000..a977653147 --- /dev/null +++ b/t/t6039-merge-ignorecase.sh @@ -0,0 +1,53 @@ +#!/bin/sh + +test_description='git-merge with case-changing rename on case-insensitive file system' + +. ./test-lib.sh + +if ! test_have_prereq CASE_INSENSITIVE_FS +then + skip_all='skipping case insensitive tests - case sensitive file system' + test_done +fi + +test_expect_success 'merge with case-changing rename' ' + test $(git config core.ignorecase) = true && + >TestCase && + git add TestCase && + git commit -m "add TestCase" && + git tag baseline + git checkout -b with-camel && + >foo && + git add foo && + git commit -m "intervening commit" && + git checkout master && + git rm TestCase && + >testcase && + git add testcase && + git commit -m "rename to testcase" && + git checkout with-camel && + git merge master -m "merge" && + test_path_is_file testcase +' + +test_expect_success 'merge with case-changing rename on both sides' ' + git checkout master && + git reset --hard baseline && + git branch -D with-camel && + git checkout -b with-camel && + git mv TestCase testcase && + git commit -m "recase on branch" && + >foo && + git add foo && + git commit -m "intervening commit" && + git checkout master && + git rm TestCase && + >testcase && + git add testcase && + git commit -m "rename to testcase" && + git checkout with-camel && + git merge master -m "merge" && + test_path_is_file testcase +' + +test_done diff --git a/t/t7004-tag.sh b/t/t7004-tag.sh index 143a8ea605..e4ab0f5b64 100755 --- a/t/t7004-tag.sh +++ b/t/t7004-tag.sh @@ -1423,4 +1423,30 @@ EOF test_cmp expect actual ' +run_with_limited_stack () { + (ulimit -s 64 && "$@") +} + +test_lazy_prereq ULIMIT 'run_with_limited_stack true' + +# we require ulimit, this excludes Windows +test_expect_success ULIMIT '--contains works in a deep repo' ' + >expect && + i=1 && + while test $i -lt 4000 + do + echo "commit refs/heads/master +committer A U Thor <author@example.com> $((1000000000 + $i * 100)) +0200 +data <<EOF +commit #$i +EOF" + test $i = 1 && echo "from refs/heads/master^0" + i=$(($i + 1)) + done | git fast-import && + git checkout master && + git tag far-far-away HEAD^ && + run_with_limited_stack git tag --contains HEAD >actual && + test_cmp expect actual +' + test_done diff --git a/t/t7007-show.sh b/t/t7007-show.sh index e41fa00b80..1b824fe5ed 100755 --- a/t/t7007-show.sh +++ b/t/t7007-show.sh @@ -24,7 +24,8 @@ test_expect_success 'set up a bit of history' ' git tag -m "annotated tag" annotated && git checkout -b side HEAD^^ && test_commit side2 && - test_commit side3 + test_commit side3 && + test_merge merge main3 ' test_expect_success 'showing two commits' ' @@ -109,8 +110,11 @@ test_expect_success 'showing range' ' ' test_expect_success '-s suppresses diff' ' - echo main3 >expect && - git show -s --format=%s main3 >actual && + cat >expect <<-\EOF && + merge + main3 + EOF + git show -s --format=%s merge main3 >actual && test_cmp expect actual ' diff --git a/t/t7500-commit.sh b/t/t7500-commit.sh index bdc1f29503..116885a260 100755 --- a/t/t7500-commit.sh +++ b/t/t7500-commit.sh @@ -223,7 +223,8 @@ test_expect_success 'Commit without message is allowed with --allow-empty-messag git add foo && >empty && git commit --allow-empty-message <empty && - commit_msg_is "" + commit_msg_is "" && + git tag empty-message-commit ' test_expect_success 'Commit without message is no-no without --allow-empty-message' ' @@ -240,6 +241,14 @@ test_expect_success 'Commit a message with --allow-empty-message' ' commit_msg_is "hello there" ' +test_expect_success 'commit -C empty respects --allow-empty-message' ' + echo more >>foo && + git add foo && + test_must_fail git commit -C empty-message-commit && + git commit -C empty-message-commit --allow-empty-message && + commit_msg_is "" +' + commit_for_rebase_autosquash_setup () { echo "first content line" >>foo && git add foo && diff --git a/t/t7501-commit.sh b/t/t7501-commit.sh index d58b097ff3..63e04277f9 100755 --- a/t/t7501-commit.sh +++ b/t/t7501-commit.sh @@ -346,8 +346,21 @@ test_expect_success 'amend commit to fix date' ' ' -test_expect_success 'commit complains about bogus date' ' - test_must_fail git commit --amend --date=10.11.2010 +test_expect_success 'commit mentions forced date in output' ' + git commit --amend --date=2010-01-02T03:04:05 >output && + grep "Date: *Sat Jan 2 03:04:05 2010" output +' + +test_expect_success 'commit complains about completely bogus dates' ' + test_must_fail git commit --amend --date=seventeen +' + +test_expect_success 'commit --date allows approxidate' ' + git commit --amend \ + --date="midnight the 12th of october, anno domini 1979" && + echo "Fri Oct 12 00:00:00 1979 +0000" >expect && + git log -1 --format=%ad >actual && + test_cmp expect actual ' test_expect_success 'sign off (1)' ' diff --git a/t/t7502-commit.sh b/t/t7502-commit.sh index 9a3f3a1b41..051489ea33 100755 --- a/t/t7502-commit.sh +++ b/t/t7502-commit.sh @@ -344,6 +344,13 @@ test_expect_success 'message shows author when it is not equal to committer' ' .git/COMMIT_EDITMSG ' +test_expect_success 'message shows date when it is explicitly set' ' + git commit --allow-empty -e -m foo --date="2010-01-02T03:04:05" && + test_i18ngrep \ + "^# Date: *Sat Jan 2 03:04:05 2010 +0000" \ + .git/COMMIT_EDITMSG +' + test_expect_success AUTOIDENT 'message shows committer when it is automatic' ' echo >>negative && @@ -563,4 +570,30 @@ test_expect_success 'commit --status with custom comment character' ' test_i18ngrep "^; Changes to be committed:" .git/COMMIT_EDITMSG ' +test_expect_success 'switch core.commentchar' ' + test_commit "#foo" foo && + GIT_EDITOR=.git/FAKE_EDITOR git -c core.commentChar=auto commit --amend && + test_i18ngrep "^; Changes to be committed:" .git/COMMIT_EDITMSG +' + +test_expect_success 'switch core.commentchar but out of options' ' + cat >text <<\EOF && +# 1 +; 2 +@ 3 +! 4 +$ 5 +% 6 +^ 7 +& 8 +| 9 +: 10 +EOF + git commit --amend -F text && + ( + test_set_editor .git/FAKE_EDITOR && + test_must_fail git -c core.commentChar=auto commit --amend + ) +' + test_done diff --git a/t/t7508-status.sh b/t/t7508-status.sh index c987b5ed65..148ab9ebc2 100755 --- a/t/t7508-status.sh +++ b/t/t7508-status.sh @@ -1350,8 +1350,7 @@ test_expect_success "status (core.commentchar with submodule summary)" ' test_expect_success "status (core.commentchar with two chars with submodule summary)" ' test_config core.commentchar ";;" && - git -c status.displayCommentPrefix=true status >output && - test_i18ncmp expect output + test_must_fail git -c status.displayCommentPrefix=true status ' test_expect_success "--ignore-submodules=all suppresses submodule summary" ' diff --git a/t/t7600-merge.sh b/t/t7600-merge.sh index 10aa028017..b16462132f 100755 --- a/t/t7600-merge.sh +++ b/t/t7600-merge.sh @@ -57,11 +57,10 @@ create_merge_msgs () { git log --no-merges ^HEAD c2 c3 } >squash.1-5-9 && : >msg.nologff && - echo >msg.nolognoff && + : >msg.nolognoff && { echo "* tag 'c3':" && - echo " commit 3" && - echo + echo " commit 3" } >msg.log } @@ -71,7 +70,7 @@ verify_merge () { git diff --exit-code && if test -n "$3" then - git show -s --pretty=format:%s HEAD >msg.act && + git show -s --pretty=tformat:%s HEAD >msg.act && test_cmp "$3" msg.act fi } @@ -620,10 +619,10 @@ test_expect_success 'merge early part of c2' ' git tag c6 && git branch -f c5-branch c5 && git merge c5-branch~1 && - git show -s --pretty=format:%s HEAD >actual.branch && + git show -s --pretty=tformat:%s HEAD >actual.branch && git reset --keep HEAD^ && git merge c5~1 && - git show -s --pretty=format:%s HEAD >actual.tag && + git show -s --pretty=tformat:%s HEAD >actual.tag && test_cmp expected.branch actual.branch && test_cmp expected.tag actual.tag ' diff --git a/t/t7800-difftool.sh b/t/t7800-difftool.sh index 5a193c500d..dc30a514bf 100755 --- a/t/t7800-difftool.sh +++ b/t/t7800-difftool.sh @@ -58,7 +58,7 @@ test_expect_success PERL 'custom tool commands override built-ins' ' test_expect_success PERL 'difftool ignores bad --tool values' ' : >expect && - test_expect_code 1 \ + test_must_fail \ git difftool --no-prompt --tool=bad-tool branch >actual && test_cmp expect actual ' diff --git a/t/t8003-blame-corner-cases.sh b/t/t8003-blame-corner-cases.sh index e7cac1db55..2a3469bcbe 100755 --- a/t/t8003-blame-corner-cases.sh +++ b/t/t8003-blame-corner-cases.sh @@ -191,4 +191,13 @@ test_expect_success 'indent of line numbers, ten lines' ' test $(grep -c " " actual) = 9 ' +test_expect_success 'blaming files with CRLF newlines' ' + git config core.autocrlf false && + printf "testcase\r\n" >crlffile && + git add crlffile && + git commit -m testcase && + git -c core.autocrlf=input blame crlffile >actual && + grep "A U Thor" actual +' + test_done diff --git a/tree-diff.c b/tree-diff.c index 11c3550177..e7b378c8b2 100644 --- a/tree-diff.c +++ b/tree-diff.c @@ -6,121 +6,293 @@ #include "diffcore.h" #include "tree.h" -static void show_entry(struct diff_options *opt, const char *prefix, - struct tree_desc *desc, struct strbuf *base); +/* + * internal mode marker, saying a tree entry != entry of tp[imin] + * (see ll_diff_tree_paths for what it means there) + * + * we will update/use/emit entry for diff only with it unset. + */ +#define S_IFXMIN_NEQ S_DIFFTREE_IFXMIN_NEQ -static int compare_tree_entry(struct tree_desc *t1, struct tree_desc *t2, - struct strbuf *base, struct diff_options *opt) -{ - unsigned mode1, mode2; - const char *path1, *path2; - const unsigned char *sha1, *sha2; - int cmp, pathlen1, pathlen2; - int old_baselen = base->len; - sha1 = tree_entry_extract(t1, &path1, &mode1); - sha2 = tree_entry_extract(t2, &path2, &mode2); +static struct combine_diff_path *ll_diff_tree_paths( + struct combine_diff_path *p, const unsigned char *sha1, + const unsigned char **parents_sha1, int nparent, + struct strbuf *base, struct diff_options *opt); +static int ll_diff_tree_sha1(const unsigned char *old, const unsigned char *new, + struct strbuf *base, struct diff_options *opt); + +/* + * Compare two tree entries, taking into account only path/S_ISDIR(mode), + * but not their sha1's. + * + * NOTE files and directories *always* compare differently, even when having + * the same name - thanks to base_name_compare(). + * + * NOTE empty (=invalid) descriptor(s) take part in comparison as +infty, + * so that they sort *after* valid tree entries. + * + * Due to this convention, if trees are scanned in sorted order, all + * non-empty descriptors will be processed first. + */ +static int tree_entry_pathcmp(struct tree_desc *t1, struct tree_desc *t2) +{ + struct name_entry *e1, *e2; + int cmp; - pathlen1 = tree_entry_len(&t1->entry); - pathlen2 = tree_entry_len(&t2->entry); - cmp = base_name_compare(path1, pathlen1, mode1, path2, pathlen2, mode2); - if (cmp < 0) { - show_entry(opt, "-", t1, base); + /* empty descriptors sort after valid tree entries */ + if (!t1->size) + return t2->size ? 1 : 0; + else if (!t2->size) return -1; - } - if (cmp > 0) { - show_entry(opt, "+", t2, base); - return 1; - } - if (!DIFF_OPT_TST(opt, FIND_COPIES_HARDER) && !hashcmp(sha1, sha2) && mode1 == mode2) - return 0; - /* - * If the filemode has changed to/from a directory from/to a regular - * file, we need to consider it a remove and an add. - */ - if (S_ISDIR(mode1) != S_ISDIR(mode2)) { - show_entry(opt, "-", t1, base); - show_entry(opt, "+", t2, base); - return 0; - } + e1 = &t1->entry; + e2 = &t2->entry; + cmp = base_name_compare(e1->path, tree_entry_len(e1), e1->mode, + e2->path, tree_entry_len(e2), e2->mode); + return cmp; +} - strbuf_add(base, path1, pathlen1); - if (DIFF_OPT_TST(opt, RECURSIVE) && S_ISDIR(mode1)) { - if (DIFF_OPT_TST(opt, TREE_IN_RECURSIVE)) { - opt->change(opt, mode1, mode2, - sha1, sha2, 1, 1, base->buf, 0, 0); + +/* + * convert path -> opt->diff_*() callbacks + * + * emits diff to first parent only, and tells diff tree-walker that we are done + * with p and it can be freed. + */ +static int emit_diff_first_parent_only(struct diff_options *opt, struct combine_diff_path *p) +{ + struct combine_diff_parent *p0 = &p->parent[0]; + if (p->mode && p0->mode) { + opt->change(opt, p0->mode, p->mode, p0->sha1, p->sha1, + 1, 1, p->path, 0, 0); + } + else { + const unsigned char *sha1; + unsigned int mode; + int addremove; + + if (p->mode) { + addremove = '+'; + sha1 = p->sha1; + mode = p->mode; + } else { + addremove = '-'; + sha1 = p0->sha1; + mode = p0->mode; } - strbuf_addch(base, '/'); - diff_tree_sha1(sha1, sha2, base->buf, opt); - } else { - opt->change(opt, mode1, mode2, sha1, sha2, 1, 1, base->buf, 0, 0); + + opt->add_remove(opt, addremove, mode, sha1, 1, p->path, 0); } - strbuf_setlen(base, old_baselen); - return 0; + + return 0; /* we are done with p */ } -/* A whole sub-tree went away or appeared */ -static void show_tree(struct diff_options *opt, const char *prefix, - struct tree_desc *desc, struct strbuf *base) + +/* + * Make a new combine_diff_path from path/mode/sha1 + * and append it to paths list tail. + * + * Memory for created elements could be reused: + * + * - if last->next == NULL, the memory is allocated; + * + * - if last->next != NULL, it is assumed that p=last->next was returned + * earlier by this function, and p->next was *not* modified. + * The memory is then reused from p. + * + * so for clients, + * + * - if you do need to keep the element + * + * p = path_appendnew(p, ...); + * process(p); + * p->next = NULL; + * + * - if you don't need to keep the element after processing + * + * pprev = p; + * p = path_appendnew(p, ...); + * process(p); + * p = pprev; + * ; don't forget to free tail->next in the end + * + * p->parent[] remains uninitialized. + */ +static struct combine_diff_path *path_appendnew(struct combine_diff_path *last, + int nparent, const struct strbuf *base, const char *path, int pathlen, + unsigned mode, const unsigned char *sha1) { - enum interesting match = entry_not_interesting; - for (; desc->size; update_tree_entry(desc)) { - if (match != all_entries_interesting) { - match = tree_entry_interesting(&desc->entry, base, 0, - &opt->pathspec); - if (match == all_entries_not_interesting) - break; - if (match == entry_not_interesting) - continue; - } - show_entry(opt, prefix, desc, base); + struct combine_diff_path *p; + int len = base->len + pathlen; + int alloclen = combine_diff_path_size(nparent, len); + + /* if last->next is !NULL - it is a pre-allocated memory, we can reuse */ + p = last->next; + if (p && (alloclen > (intptr_t)p->next)) { + free(p); + p = NULL; + } + + if (!p) { + p = xmalloc(alloclen); + + /* + * until we go to it next round, .next holds how many bytes we + * allocated (for faster realloc - we don't need copying old data). + */ + p->next = (struct combine_diff_path *)(intptr_t)alloclen; } + + last->next = p; + + p->path = (char *)&(p->parent[nparent]); + memcpy(p->path, base->buf, base->len); + memcpy(p->path + base->len, path, pathlen); + p->path[len] = 0; + p->mode = mode; + hashcpy(p->sha1, sha1 ? sha1 : null_sha1); + + return p; } -/* A file entry went away or appeared */ -static void show_entry(struct diff_options *opt, const char *prefix, - struct tree_desc *desc, struct strbuf *base) +/* + * new path should be added to combine diff + * + * 3 cases on how/when it should be called and behaves: + * + * t, !tp -> path added, all parents lack it + * !t, tp -> path removed from all parents + * t, tp -> path modified/added + * (M for tp[i]=tp[imin], A otherwise) + */ +static struct combine_diff_path *emit_path(struct combine_diff_path *p, + struct strbuf *base, struct diff_options *opt, int nparent, + struct tree_desc *t, struct tree_desc *tp, + int imin) { unsigned mode; const char *path; - const unsigned char *sha1 = tree_entry_extract(desc, &path, &mode); - int pathlen = tree_entry_len(&desc->entry); + const unsigned char *sha1; + int pathlen; int old_baselen = base->len; + int i, isdir, recurse = 0, emitthis = 1; + + /* at least something has to be valid */ + assert(t || tp); - strbuf_add(base, path, pathlen); - if (DIFF_OPT_TST(opt, RECURSIVE) && S_ISDIR(mode)) { - enum object_type type; - struct tree_desc inner; - void *tree; - unsigned long size; + if (t) { + /* path present in resulting tree */ + sha1 = tree_entry_extract(t, &path, &mode); + pathlen = tree_entry_len(&t->entry); + isdir = S_ISDIR(mode); + } else { + /* + * a path was removed - take path from imin parent. Also take + * mode from that parent, to decide on recursion(1). + * + * 1) all modes for tp[i]=tp[imin] should be the same wrt + * S_ISDIR, thanks to base_name_compare(). + */ + tree_entry_extract(&tp[imin], &path, &mode); + pathlen = tree_entry_len(&tp[imin].entry); - tree = read_sha1_file(sha1, &type, &size); - if (!tree || type != OBJ_TREE) - die("corrupt tree sha %s", sha1_to_hex(sha1)); + isdir = S_ISDIR(mode); + sha1 = NULL; + mode = 0; + } - if (DIFF_OPT_TST(opt, TREE_IN_RECURSIVE)) - opt->add_remove(opt, *prefix, mode, sha1, 1, base->buf, 0); + if (DIFF_OPT_TST(opt, RECURSIVE) && isdir) { + recurse = 1; + emitthis = DIFF_OPT_TST(opt, TREE_IN_RECURSIVE); + } - strbuf_addch(base, '/'); + if (emitthis) { + int keep; + struct combine_diff_path *pprev = p; + p = path_appendnew(p, nparent, base, path, pathlen, mode, sha1); - init_tree_desc(&inner, tree, size); - show_tree(opt, prefix, &inner, base); - free(tree); - } else - opt->add_remove(opt, prefix[0], mode, sha1, 1, base->buf, 0); + for (i = 0; i < nparent; ++i) { + /* + * tp[i] is valid, if present and if tp[i]==tp[imin] - + * otherwise, we should ignore it. + */ + int tpi_valid = tp && !(tp[i].entry.mode & S_IFXMIN_NEQ); + + const unsigned char *sha1_i; + unsigned mode_i; + + p->parent[i].status = + !t ? DIFF_STATUS_DELETED : + tpi_valid ? + DIFF_STATUS_MODIFIED : + DIFF_STATUS_ADDED; + + if (tpi_valid) { + sha1_i = tp[i].entry.sha1; + mode_i = tp[i].entry.mode; + } + else { + sha1_i = NULL; + mode_i = 0; + } + + p->parent[i].mode = mode_i; + hashcpy(p->parent[i].sha1, sha1_i ? sha1_i : null_sha1); + } + + keep = 1; + if (opt->pathchange) + keep = opt->pathchange(opt, p); + + /* + * If a path was filtered or consumed - we don't need to add it + * to the list and can reuse its memory, leaving it as + * pre-allocated element on the tail. + * + * On the other hand, if path needs to be kept, we need to + * correct its .next to NULL, as it was pre-initialized to how + * much memory was allocated. + * + * see path_appendnew() for details. + */ + if (!keep) + p = pprev; + else + p->next = NULL; + } + + if (recurse) { + const unsigned char **parents_sha1; + + parents_sha1 = xalloca(nparent * sizeof(parents_sha1[0])); + for (i = 0; i < nparent; ++i) { + /* same rule as in emitthis */ + int tpi_valid = tp && !(tp[i].entry.mode & S_IFXMIN_NEQ); + + parents_sha1[i] = tpi_valid ? tp[i].entry.sha1 + : NULL; + } + + strbuf_add(base, path, pathlen); + strbuf_addch(base, '/'); + p = ll_diff_tree_paths(p, sha1, parents_sha1, nparent, base, opt); + xalloca_free(parents_sha1); + } strbuf_setlen(base, old_baselen); + return p; } static void skip_uninteresting(struct tree_desc *t, struct strbuf *base, - struct diff_options *opt, - enum interesting *match) + struct diff_options *opt) { + enum interesting match; + while (t->size) { - *match = tree_entry_interesting(&t->entry, base, 0, &opt->pathspec); - if (*match) { - if (*match == all_entries_not_interesting) + match = tree_entry_interesting(&t->entry, base, 0, &opt->pathspec); + if (match) { + if (match == all_entries_not_interesting) t->size = 0; break; } @@ -128,55 +300,260 @@ static void skip_uninteresting(struct tree_desc *t, struct strbuf *base, } } -int diff_tree(struct tree_desc *t1, struct tree_desc *t2, - const char *base_str, struct diff_options *opt) + +/* + * generate paths for combined diff D(sha1,parents_sha1[]) + * + * Resulting paths are appended to combine_diff_path linked list, and also, are + * emitted on the go via opt->pathchange() callback, so it is possible to + * process the result as batch or incrementally. + * + * The paths are generated scanning new tree and all parents trees + * simultaneously, similarly to what diff_tree() was doing for 2 trees. + * The theory behind such scan is as follows: + * + * + * D(T,P1...Pn) calculation scheme + * ------------------------------- + * + * D(T,P1...Pn) = D(T,P1) ^ ... ^ D(T,Pn) (regarding resulting paths set) + * + * D(T,Pj) - diff between T..Pj + * D(T,P1...Pn) - combined diff from T to parents P1,...,Pn + * + * + * We start from all trees, which are sorted, and compare their entries in + * lock-step: + * + * T P1 Pn + * - - - + * |t| |p1| |pn| + * |-| |--| ... |--| imin = argmin(p1...pn) + * | | | | | | + * |-| |--| |--| + * |.| |. | |. | + * . . . + * . . . + * + * at any time there could be 3 cases: + * + * 1) t < p[imin]; + * 2) t > p[imin]; + * 3) t = p[imin]. + * + * Schematic deduction of what every case means, and what to do, follows: + * + * 1) t < p[imin] -> ∀j t ∉ Pj -> "+t" ∈ D(T,Pj) -> D += "+t"; t↓ + * + * 2) t > p[imin] + * + * 2.1) ∃j: pj > p[imin] -> "-p[imin]" ∉ D(T,Pj) -> D += ø; ∀ pi=p[imin] pi↓ + * 2.2) ∀i pi = p[imin] -> pi ∉ T -> "-pi" ∈ D(T,Pi) -> D += "-p[imin]"; ∀i pi↓ + * + * 3) t = p[imin] + * + * 3.1) ∃j: pj > p[imin] -> "+t" ∈ D(T,Pj) -> only pi=p[imin] remains to investigate + * 3.2) pi = p[imin] -> investigate δ(t,pi) + * | + * | + * v + * + * 3.1+3.2) looking at δ(t,pi) ∀i: pi=p[imin] - if all != ø -> + * + * ⎧δ(t,pi) - if pi=p[imin] + * -> D += ⎨ + * ⎩"+t" - if pi>p[imin] + * + * + * in any case t↓ ∀ pi=p[imin] pi↓ + * + * + * ~~~~~~~~ + * + * NOTE + * + * Usual diff D(A,B) is by definition the same as combined diff D(A,[B]), + * so this diff paths generator can, and is used, for plain diffs + * generation too. + * + * Please keep attention to the common D(A,[B]) case when working on the + * code, in order not to slow it down. + * + * NOTE + * nparent must be > 0. + */ + + +/* ∀ pi=p[imin] pi↓ */ +static inline void update_tp_entries(struct tree_desc *tp, int nparent) { - struct strbuf base; - int baselen = strlen(base_str); - enum interesting t1_match = entry_not_interesting; - enum interesting t2_match = entry_not_interesting; + int i; + for (i = 0; i < nparent; ++i) + if (!(tp[i].entry.mode & S_IFXMIN_NEQ)) + update_tree_entry(&tp[i]); +} + +static struct combine_diff_path *ll_diff_tree_paths( + struct combine_diff_path *p, const unsigned char *sha1, + const unsigned char **parents_sha1, int nparent, + struct strbuf *base, struct diff_options *opt) +{ + struct tree_desc t, *tp; + void *ttree, **tptree; + int i; + + tp = xalloca(nparent * sizeof(tp[0])); + tptree = xalloca(nparent * sizeof(tptree[0])); + + /* + * load parents first, as they are probably already cached. + * + * ( log_tree_diff() parses commit->parent before calling here via + * diff_tree_sha1(parent, commit) ) + */ + for (i = 0; i < nparent; ++i) + tptree[i] = fill_tree_descriptor(&tp[i], parents_sha1[i]); + ttree = fill_tree_descriptor(&t, sha1); /* Enable recursion indefinitely */ opt->pathspec.recursive = DIFF_OPT_TST(opt, RECURSIVE); - strbuf_init(&base, PATH_MAX); - strbuf_add(&base, base_str, baselen); - for (;;) { + int imin, cmp; + if (diff_can_quit_early(opt)) break; + if (opt->pathspec.nr) { - skip_uninteresting(t1, &base, opt, &t1_match); - skip_uninteresting(t2, &base, opt, &t2_match); + skip_uninteresting(&t, base, opt); + for (i = 0; i < nparent; i++) + skip_uninteresting(&tp[i], base, opt); } - if (!t1->size) { - if (!t2->size) + + /* comparing is finished when all trees are done */ + if (!t.size) { + int done = 1; + for (i = 0; i < nparent; ++i) + if (tp[i].size) { + done = 0; + break; + } + if (done) break; - show_entry(opt, "+", t2, &base); - update_tree_entry(t2); - continue; } - if (!t2->size) { - show_entry(opt, "-", t1, &base); - update_tree_entry(t1); - continue; + + /* + * lookup imin = argmin(p1...pn), + * mark entries whether they =p[imin] along the way + */ + imin = 0; + tp[0].entry.mode &= ~S_IFXMIN_NEQ; + + for (i = 1; i < nparent; ++i) { + cmp = tree_entry_pathcmp(&tp[i], &tp[imin]); + if (cmp < 0) { + imin = i; + tp[i].entry.mode &= ~S_IFXMIN_NEQ; + } + else if (cmp == 0) { + tp[i].entry.mode &= ~S_IFXMIN_NEQ; + } + else { + tp[i].entry.mode |= S_IFXMIN_NEQ; + } + } + + /* fixup markings for entries before imin */ + for (i = 0; i < imin; ++i) + tp[i].entry.mode |= S_IFXMIN_NEQ; /* pi > p[imin] */ + + + + /* compare t vs p[imin] */ + cmp = tree_entry_pathcmp(&t, &tp[imin]); + + /* t = p[imin] */ + if (cmp == 0) { + /* are either pi > p[imin] or diff(t,pi) != ø ? */ + if (!DIFF_OPT_TST(opt, FIND_COPIES_HARDER)) { + for (i = 0; i < nparent; ++i) { + /* p[i] > p[imin] */ + if (tp[i].entry.mode & S_IFXMIN_NEQ) + continue; + + /* diff(t,pi) != ø */ + if (hashcmp(t.entry.sha1, tp[i].entry.sha1) || + (t.entry.mode != tp[i].entry.mode)) + continue; + + goto skip_emit_t_tp; + } + } + + /* D += {δ(t,pi) if pi=p[imin]; "+a" if pi > p[imin]} */ + p = emit_path(p, base, opt, nparent, + &t, tp, imin); + + skip_emit_t_tp: + /* t↓, ∀ pi=p[imin] pi↓ */ + update_tree_entry(&t); + update_tp_entries(tp, nparent); + } + + /* t < p[imin] */ + else if (cmp < 0) { + /* D += "+t" */ + p = emit_path(p, base, opt, nparent, + &t, /*tp=*/NULL, -1); + + /* t↓ */ + update_tree_entry(&t); } - switch (compare_tree_entry(t1, t2, &base, opt)) { - case -1: - update_tree_entry(t1); - continue; - case 0: - update_tree_entry(t1); - /* Fallthrough */ - case 1: - update_tree_entry(t2); - continue; + + /* t > p[imin] */ + else { + /* ∀i pi=p[imin] -> D += "-p[imin]" */ + if (!DIFF_OPT_TST(opt, FIND_COPIES_HARDER)) { + for (i = 0; i < nparent; ++i) + if (tp[i].entry.mode & S_IFXMIN_NEQ) + goto skip_emit_tp; + } + + p = emit_path(p, base, opt, nparent, + /*t=*/NULL, tp, imin); + + skip_emit_tp: + /* ∀ pi=p[imin] pi↓ */ + update_tp_entries(tp, nparent); } - die("git diff-tree: internal error"); } - strbuf_release(&base); - return 0; + free(ttree); + for (i = nparent-1; i >= 0; i--) + free(tptree[i]); + xalloca_free(tptree); + xalloca_free(tp); + + return p; +} + +struct combine_diff_path *diff_tree_paths( + struct combine_diff_path *p, const unsigned char *sha1, + const unsigned char **parents_sha1, int nparent, + struct strbuf *base, struct diff_options *opt) +{ + p = ll_diff_tree_paths(p, sha1, parents_sha1, nparent, base, opt); + + /* + * free pre-allocated last element, if any + * (see path_appendnew() for details about why) + */ + if (p->next) { + free(p->next); + p->next = NULL; + } + + return p; } /* @@ -190,7 +567,7 @@ static inline int diff_might_be_rename(void) !DIFF_FILE_VALID(diff_queued_diff.queue[0]->one); } -static void try_to_follow_renames(struct tree_desc *t1, struct tree_desc *t2, const char *base, struct diff_options *opt) +static void try_to_follow_renames(const unsigned char *old, const unsigned char *new, struct strbuf *base, struct diff_options *opt) { struct diff_options diff_opts; struct diff_queue_struct *q = &diff_queued_diff; @@ -228,7 +605,7 @@ static void try_to_follow_renames(struct tree_desc *t1, struct tree_desc *t2, co diff_opts.break_opt = opt->break_opt; diff_opts.rename_score = opt->rename_score; diff_setup_done(&diff_opts); - diff_tree(t1, t2, base, &diff_opts); + ll_diff_tree_sha1(old, new, base, &diff_opts); diffcore_std(&diff_opts); free_pathspec(&diff_opts.pathspec); @@ -287,25 +664,40 @@ static void try_to_follow_renames(struct tree_desc *t1, struct tree_desc *t2, co q->nr = 1; } -int diff_tree_sha1(const unsigned char *old, const unsigned char *new, const char *base, struct diff_options *opt) +static int ll_diff_tree_sha1(const unsigned char *old, const unsigned char *new, + struct strbuf *base, struct diff_options *opt) { - void *tree1, *tree2; - struct tree_desc t1, t2; - unsigned long size1, size2; - int retval; + struct combine_diff_path phead, *p; + pathchange_fn_t pathchange_old = opt->pathchange; - tree1 = fill_tree_descriptor(&t1, old); - tree2 = fill_tree_descriptor(&t2, new); - size1 = t1.size; - size2 = t2.size; - retval = diff_tree(&t1, &t2, base, opt); - if (!*base && DIFF_OPT_TST(opt, FOLLOW_RENAMES) && diff_might_be_rename()) { - init_tree_desc(&t1, tree1, size1); - init_tree_desc(&t2, tree2, size2); - try_to_follow_renames(&t1, &t2, base, opt); + phead.next = NULL; + opt->pathchange = emit_diff_first_parent_only; + diff_tree_paths(&phead, new, &old, 1, base, opt); + + for (p = phead.next; p;) { + struct combine_diff_path *pprev = p; + p = p->next; + free(pprev); } - free(tree1); - free(tree2); + + opt->pathchange = pathchange_old; + return 0; +} + +int diff_tree_sha1(const unsigned char *old, const unsigned char *new, const char *base_str, struct diff_options *opt) +{ + struct strbuf base; + int retval; + + strbuf_init(&base, PATH_MAX); + strbuf_addstr(&base, base_str); + + retval = ll_diff_tree_sha1(old, new, &base, opt); + if (!*base_str && DIFF_OPT_TST(opt, FOLLOW_RENAMES) && diff_might_be_rename()) + try_to_follow_renames(old, new, &base, opt); + + strbuf_release(&base); + return retval; } diff --git a/unicode_width.h b/unicode_width.h new file mode 100644 index 0000000000..4db78038e4 --- /dev/null +++ b/unicode_width.h @@ -0,0 +1,288 @@ +static const struct interval zero_width[] = { +{ 0x0300, 0x036F }, +{ 0x0483, 0x0489 }, +{ 0x0591, 0x05BD }, +{ 0x05BF, 0x05BF }, +{ 0x05C1, 0x05C2 }, +{ 0x05C4, 0x05C5 }, +{ 0x05C7, 0x05C7 }, +{ 0x0600, 0x0604 }, +{ 0x0610, 0x061A }, +{ 0x061C, 0x061C }, +{ 0x064B, 0x065F }, +{ 0x0670, 0x0670 }, +{ 0x06D6, 0x06DD }, +{ 0x06DF, 0x06E4 }, +{ 0x06E7, 0x06E8 }, +{ 0x06EA, 0x06ED }, +{ 0x070F, 0x070F }, +{ 0x0711, 0x0711 }, +{ 0x0730, 0x074A }, +{ 0x07A6, 0x07B0 }, +{ 0x07EB, 0x07F3 }, +{ 0x0816, 0x0819 }, +{ 0x081B, 0x0823 }, +{ 0x0825, 0x0827 }, +{ 0x0829, 0x082D }, +{ 0x0859, 0x085B }, +{ 0x08E4, 0x08FE }, +{ 0x0900, 0x0902 }, +{ 0x093A, 0x093A }, +{ 0x093C, 0x093C }, +{ 0x0941, 0x0948 }, +{ 0x094D, 0x094D }, +{ 0x0951, 0x0957 }, +{ 0x0962, 0x0963 }, +{ 0x0981, 0x0981 }, +{ 0x09BC, 0x09BC }, +{ 0x09C1, 0x09C4 }, +{ 0x09CD, 0x09CD }, +{ 0x09E2, 0x09E3 }, +{ 0x0A01, 0x0A02 }, +{ 0x0A3C, 0x0A3C }, +{ 0x0A41, 0x0A42 }, +{ 0x0A47, 0x0A48 }, +{ 0x0A4B, 0x0A4D }, +{ 0x0A51, 0x0A51 }, +{ 0x0A70, 0x0A71 }, +{ 0x0A75, 0x0A75 }, +{ 0x0A81, 0x0A82 }, +{ 0x0ABC, 0x0ABC }, +{ 0x0AC1, 0x0AC5 }, +{ 0x0AC7, 0x0AC8 }, +{ 0x0ACD, 0x0ACD }, +{ 0x0AE2, 0x0AE3 }, +{ 0x0B01, 0x0B01 }, +{ 0x0B3C, 0x0B3C }, +{ 0x0B3F, 0x0B3F }, +{ 0x0B41, 0x0B44 }, +{ 0x0B4D, 0x0B4D }, +{ 0x0B56, 0x0B56 }, +{ 0x0B62, 0x0B63 }, +{ 0x0B82, 0x0B82 }, +{ 0x0BC0, 0x0BC0 }, +{ 0x0BCD, 0x0BCD }, +{ 0x0C3E, 0x0C40 }, +{ 0x0C46, 0x0C48 }, +{ 0x0C4A, 0x0C4D }, +{ 0x0C55, 0x0C56 }, +{ 0x0C62, 0x0C63 }, +{ 0x0CBC, 0x0CBC }, +{ 0x0CBF, 0x0CBF }, +{ 0x0CC6, 0x0CC6 }, +{ 0x0CCC, 0x0CCD }, +{ 0x0CE2, 0x0CE3 }, +{ 0x0D41, 0x0D44 }, +{ 0x0D4D, 0x0D4D }, +{ 0x0D62, 0x0D63 }, +{ 0x0DCA, 0x0DCA }, +{ 0x0DD2, 0x0DD4 }, +{ 0x0DD6, 0x0DD6 }, +{ 0x0E31, 0x0E31 }, +{ 0x0E34, 0x0E3A }, +{ 0x0E47, 0x0E4E }, +{ 0x0EB1, 0x0EB1 }, +{ 0x0EB4, 0x0EB9 }, +{ 0x0EBB, 0x0EBC }, +{ 0x0EC8, 0x0ECD }, +{ 0x0F18, 0x0F19 }, +{ 0x0F35, 0x0F35 }, +{ 0x0F37, 0x0F37 }, +{ 0x0F39, 0x0F39 }, +{ 0x0F71, 0x0F7E }, +{ 0x0F80, 0x0F84 }, +{ 0x0F86, 0x0F87 }, +{ 0x0F8D, 0x0F97 }, +{ 0x0F99, 0x0FBC }, +{ 0x0FC6, 0x0FC6 }, +{ 0x102D, 0x1030 }, +{ 0x1032, 0x1037 }, +{ 0x1039, 0x103A }, +{ 0x103D, 0x103E }, +{ 0x1058, 0x1059 }, +{ 0x105E, 0x1060 }, +{ 0x1071, 0x1074 }, +{ 0x1082, 0x1082 }, +{ 0x1085, 0x1086 }, +{ 0x108D, 0x108D }, +{ 0x109D, 0x109D }, +{ 0x1160, 0x11FF }, +{ 0x135D, 0x135F }, +{ 0x1712, 0x1714 }, +{ 0x1732, 0x1734 }, +{ 0x1752, 0x1753 }, +{ 0x1772, 0x1773 }, +{ 0x17B4, 0x17B5 }, +{ 0x17B7, 0x17BD }, +{ 0x17C6, 0x17C6 }, +{ 0x17C9, 0x17D3 }, +{ 0x17DD, 0x17DD }, +{ 0x180B, 0x180E }, +{ 0x18A9, 0x18A9 }, +{ 0x1920, 0x1922 }, +{ 0x1927, 0x1928 }, +{ 0x1932, 0x1932 }, +{ 0x1939, 0x193B }, +{ 0x1A17, 0x1A18 }, +{ 0x1A1B, 0x1A1B }, +{ 0x1A56, 0x1A56 }, +{ 0x1A58, 0x1A5E }, +{ 0x1A60, 0x1A60 }, +{ 0x1A62, 0x1A62 }, +{ 0x1A65, 0x1A6C }, +{ 0x1A73, 0x1A7C }, +{ 0x1A7F, 0x1A7F }, +{ 0x1B00, 0x1B03 }, +{ 0x1B34, 0x1B34 }, +{ 0x1B36, 0x1B3A }, +{ 0x1B3C, 0x1B3C }, +{ 0x1B42, 0x1B42 }, +{ 0x1B6B, 0x1B73 }, +{ 0x1B80, 0x1B81 }, +{ 0x1BA2, 0x1BA5 }, +{ 0x1BA8, 0x1BA9 }, +{ 0x1BAB, 0x1BAB }, +{ 0x1BE6, 0x1BE6 }, +{ 0x1BE8, 0x1BE9 }, +{ 0x1BED, 0x1BED }, +{ 0x1BEF, 0x1BF1 }, +{ 0x1C2C, 0x1C33 }, +{ 0x1C36, 0x1C37 }, +{ 0x1CD0, 0x1CD2 }, +{ 0x1CD4, 0x1CE0 }, +{ 0x1CE2, 0x1CE8 }, +{ 0x1CED, 0x1CED }, +{ 0x1CF4, 0x1CF4 }, +{ 0x1DC0, 0x1DE6 }, +{ 0x1DFC, 0x1DFF }, +{ 0x200B, 0x200F }, +{ 0x202A, 0x202E }, +{ 0x2060, 0x2064 }, +{ 0x2066, 0x206F }, +{ 0x20D0, 0x20F0 }, +{ 0x2CEF, 0x2CF1 }, +{ 0x2D7F, 0x2D7F }, +{ 0x2DE0, 0x2DFF }, +{ 0x302A, 0x302D }, +{ 0x3099, 0x309A }, +{ 0xA66F, 0xA672 }, +{ 0xA674, 0xA67D }, +{ 0xA69F, 0xA69F }, +{ 0xA6F0, 0xA6F1 }, +{ 0xA802, 0xA802 }, +{ 0xA806, 0xA806 }, +{ 0xA80B, 0xA80B }, +{ 0xA825, 0xA826 }, +{ 0xA8C4, 0xA8C4 }, +{ 0xA8E0, 0xA8F1 }, +{ 0xA926, 0xA92D }, +{ 0xA947, 0xA951 }, +{ 0xA980, 0xA982 }, +{ 0xA9B3, 0xA9B3 }, +{ 0xA9B6, 0xA9B9 }, +{ 0xA9BC, 0xA9BC }, +{ 0xAA29, 0xAA2E }, +{ 0xAA31, 0xAA32 }, +{ 0xAA35, 0xAA36 }, +{ 0xAA43, 0xAA43 }, +{ 0xAA4C, 0xAA4C }, +{ 0xAAB0, 0xAAB0 }, +{ 0xAAB2, 0xAAB4 }, +{ 0xAAB7, 0xAAB8 }, +{ 0xAABE, 0xAABF }, +{ 0xAAC1, 0xAAC1 }, +{ 0xAAEC, 0xAAED }, +{ 0xAAF6, 0xAAF6 }, +{ 0xABE5, 0xABE5 }, +{ 0xABE8, 0xABE8 }, +{ 0xABED, 0xABED }, +{ 0xFB1E, 0xFB1E }, +{ 0xFE00, 0xFE0F }, +{ 0xFE20, 0xFE26 }, +{ 0xFEFF, 0xFEFF }, +{ 0xFFF9, 0xFFFB }, +{ 0x101FD, 0x101FD }, +{ 0x10A01, 0x10A03 }, +{ 0x10A05, 0x10A06 }, +{ 0x10A0C, 0x10A0F }, +{ 0x10A38, 0x10A3A }, +{ 0x10A3F, 0x10A3F }, +{ 0x11001, 0x11001 }, +{ 0x11038, 0x11046 }, +{ 0x11080, 0x11081 }, +{ 0x110B3, 0x110B6 }, +{ 0x110B9, 0x110BA }, +{ 0x110BD, 0x110BD }, +{ 0x11100, 0x11102 }, +{ 0x11127, 0x1112B }, +{ 0x1112D, 0x11134 }, +{ 0x11180, 0x11181 }, +{ 0x111B6, 0x111BE }, +{ 0x116AB, 0x116AB }, +{ 0x116AD, 0x116AD }, +{ 0x116B0, 0x116B5 }, +{ 0x116B7, 0x116B7 }, +{ 0x16F8F, 0x16F92 }, +{ 0x1D167, 0x1D169 }, +{ 0x1D173, 0x1D182 }, +{ 0x1D185, 0x1D18B }, +{ 0x1D1AA, 0x1D1AD }, +{ 0x1D242, 0x1D244 }, +{ 0xE0001, 0xE0001 }, +{ 0xE0020, 0xE007F }, +{ 0xE0100, 0xE01EF } +}; +static const struct interval double_width[] = { +{ /* plane */ 0x0, 0x1C }, +{ /* plane */ 0x1C, 0x21 }, +{ /* plane */ 0x21, 0x22 }, +{ /* plane */ 0x22, 0x23 }, +{ /* plane */ 0x0, 0x0 }, +{ /* plane */ 0x0, 0x0 }, +{ /* plane */ 0x0, 0x0 }, +{ /* plane */ 0x0, 0x0 }, +{ /* plane */ 0x0, 0x0 }, +{ /* plane */ 0x0, 0x0 }, +{ /* plane */ 0x0, 0x0 }, +{ /* plane */ 0x0, 0x0 }, +{ /* plane */ 0x0, 0x0 }, +{ /* plane */ 0x0, 0x0 }, +{ /* plane */ 0x0, 0x0 }, +{ /* plane */ 0x0, 0x0 }, +{ /* plane */ 0x0, 0x0 }, +{ 0x1100, 0x115F }, +{ 0x2329, 0x232A }, +{ 0x2E80, 0x2E99 }, +{ 0x2E9B, 0x2EF3 }, +{ 0x2F00, 0x2FD5 }, +{ 0x2FF0, 0x2FFB }, +{ 0x3000, 0x303E }, +{ 0x3041, 0x3096 }, +{ 0x3099, 0x30FF }, +{ 0x3105, 0x312D }, +{ 0x3131, 0x318E }, +{ 0x3190, 0x31BA }, +{ 0x31C0, 0x31E3 }, +{ 0x31F0, 0x321E }, +{ 0x3220, 0x3247 }, +{ 0x3250, 0x32FE }, +{ 0x3300, 0x4DBF }, +{ 0x4E00, 0xA48C }, +{ 0xA490, 0xA4C6 }, +{ 0xA960, 0xA97C }, +{ 0xAC00, 0xD7A3 }, +{ 0xF900, 0xFAFF }, +{ 0xFE10, 0xFE19 }, +{ 0xFE30, 0xFE52 }, +{ 0xFE54, 0xFE66 }, +{ 0xFE68, 0xFE6B }, +{ 0xFF01, 0xFF60 }, +{ 0xFFE0, 0xFFE6 }, +{ 0x1B000, 0x1B001 }, +{ 0x1F200, 0x1F202 }, +{ 0x1F210, 0x1F23A }, +{ 0x1F240, 0x1F248 }, +{ 0x1F250, 0x1F251 }, +{ 0x20000, 0x2FFFD }, +{ 0x30000, 0x3FFFD } +}; diff --git a/update_unicode.sh b/update_unicode.sh new file mode 100755 index 0000000000..000b937e68 --- /dev/null +++ b/update_unicode.sh @@ -0,0 +1,37 @@ +#!/bin/sh +#See http://www.unicode.org/reports/tr44/ +# +#Me Enclosing_Mark an enclosing combining mark +#Mn Nonspacing_Mark a nonspacing combining mark (zero advance width) +#Cf Format a format control character +# +UNICODEWIDTH_H=../unicode_width.h +if ! test -d unicode; then + mkdir unicode +fi && +( cd unicode && + if ! test -f UnicodeData.txt; then + wget http://www.unicode.org/Public/UCD/latest/ucd/UnicodeData.txt + fi && + if ! test -f EastAsianWidth.txt; then + wget http://www.unicode.org/Public/UCD/latest/ucd/EastAsianWidth.txt + fi && + if ! test -d uniset; then + git clone https://github.com/depp/uniset.git + fi && + ( + cd uniset && + if ! test -x uniset; then + autoreconf -i && + ./configure --enable-warnings=-Werror CFLAGS='-O0 -ggdb' + fi && + make + ) && + echo "static const struct interval zero_width[] = {" >$UNICODEWIDTH_H && + UNICODE_DIR=. ./uniset/uniset --32 cat:Me,Mn,Cf + U+1160..U+11FF - U+00AD | + grep -v plane >>$UNICODEWIDTH_H && + echo "};" >>$UNICODEWIDTH_H && + echo "static const struct interval double_width[] = {" >>$UNICODEWIDTH_H && + UNICODE_DIR=. ./uniset/uniset --32 eaw:F,W >>$UNICODEWIDTH_H && + echo "};" >>$UNICODEWIDTH_H +) @@ -80,52 +80,8 @@ static int git_wcwidth(ucs_char_t ch) { /* * Sorted list of non-overlapping intervals of non-spacing characters, - * generated by - * "uniset +cat=Me +cat=Mn +cat=Cf -00AD +1160-11FF +200B c". */ - static const struct interval combining[] = { - { 0x0300, 0x036F }, { 0x0483, 0x0489 }, { 0x0591, 0x05BD }, - { 0x05BF, 0x05BF }, { 0x05C1, 0x05C2 }, { 0x05C4, 0x05C5 }, - { 0x05C7, 0x05C7 }, { 0x0600, 0x0604 }, { 0x0610, 0x061A }, - { 0x064B, 0x065F }, { 0x0670, 0x0670 }, { 0x06D6, 0x06E4 }, - { 0x06E7, 0x06E8 }, { 0x06EA, 0x06ED }, { 0x070F, 0x070F }, - { 0x0711, 0x0711 }, { 0x0730, 0x074A }, { 0x07A6, 0x07B0 }, - { 0x0901, 0x0902 }, { 0x093C, 0x093C }, { 0x0941, 0x0948 }, - { 0x094D, 0x094D }, { 0x0951, 0x0954 }, { 0x0962, 0x0963 }, - { 0x0981, 0x0981 }, { 0x09BC, 0x09BC }, { 0x09C1, 0x09C4 }, - { 0x09CD, 0x09CD }, { 0x09E2, 0x09E3 }, { 0x0A01, 0x0A02 }, - { 0x0A3C, 0x0A3C }, { 0x0A41, 0x0A42 }, { 0x0A47, 0x0A48 }, - { 0x0A4B, 0x0A4D }, { 0x0A70, 0x0A71 }, { 0x0A81, 0x0A82 }, - { 0x0ABC, 0x0ABC }, { 0x0AC1, 0x0AC5 }, { 0x0AC7, 0x0AC8 }, - { 0x0ACD, 0x0ACD }, { 0x0AE2, 0x0AE3 }, { 0x0B01, 0x0B01 }, - { 0x0B3C, 0x0B3C }, { 0x0B3F, 0x0B3F }, { 0x0B41, 0x0B43 }, - { 0x0B4D, 0x0B4D }, { 0x0B56, 0x0B56 }, { 0x0B82, 0x0B82 }, - { 0x0BC0, 0x0BC0 }, { 0x0BCD, 0x0BCD }, { 0x0C3E, 0x0C40 }, - { 0x0C46, 0x0C48 }, { 0x0C4A, 0x0C4D }, { 0x0C55, 0x0C56 }, - { 0x0CBC, 0x0CBC }, { 0x0CBF, 0x0CBF }, { 0x0CC6, 0x0CC6 }, - { 0x0CCC, 0x0CCD }, { 0x0D41, 0x0D43 }, { 0x0D4D, 0x0D4D }, - { 0x0DCA, 0x0DCA }, { 0x0DD2, 0x0DD4 }, { 0x0DD6, 0x0DD6 }, - { 0x0E31, 0x0E31 }, { 0x0E34, 0x0E3A }, { 0x0E47, 0x0E4E }, - { 0x0EB1, 0x0EB1 }, { 0x0EB4, 0x0EB9 }, { 0x0EBB, 0x0EBC }, - { 0x0EC8, 0x0ECD }, { 0x0F18, 0x0F19 }, { 0x0F35, 0x0F35 }, - { 0x0F37, 0x0F37 }, { 0x0F39, 0x0F39 }, { 0x0F71, 0x0F7E }, - { 0x0F80, 0x0F84 }, { 0x0F86, 0x0F87 }, { 0x0F90, 0x0F97 }, - { 0x0F99, 0x0FBC }, { 0x0FC6, 0x0FC6 }, { 0x102D, 0x1030 }, - { 0x1032, 0x1032 }, { 0x1036, 0x1037 }, { 0x1039, 0x1039 }, - { 0x1058, 0x1059 }, { 0x1160, 0x11FF }, { 0x1712, 0x1714 }, - { 0x1732, 0x1734 }, { 0x1752, 0x1753 }, { 0x1772, 0x1773 }, - { 0x17B4, 0x17B5 }, { 0x17B7, 0x17BD }, { 0x17C6, 0x17C6 }, - { 0x17C9, 0x17D3 }, { 0x17DD, 0x17DD }, { 0x180B, 0x180D }, - { 0x18A9, 0x18A9 }, { 0x1920, 0x1922 }, { 0x1927, 0x1928 }, - { 0x1932, 0x1932 }, { 0x1939, 0x193B }, { 0x200B, 0x200F }, - { 0x202A, 0x202E }, { 0x2060, 0x2063 }, { 0x206A, 0x206F }, - { 0x20D0, 0x20EA }, { 0x302A, 0x302F }, { 0x3099, 0x309A }, - { 0xFB1E, 0xFB1E }, { 0xFE00, 0xFE0F }, { 0xFE20, 0xFE23 }, - { 0xFEFF, 0xFEFF }, { 0xFFF9, 0xFFFB }, { 0x1D167, 0x1D169 }, - { 0x1D173, 0x1D182 }, { 0x1D185, 0x1D18B }, - { 0x1D1AA, 0x1D1AD }, { 0xE0001, 0xE0001 }, - { 0xE0020, 0xE007F }, { 0xE0100, 0xE01EF } - }; +#include "unicode_width.h" /* test for 8-bit control characters */ if (ch == 0) @@ -134,34 +90,16 @@ static int git_wcwidth(ucs_char_t ch) return -1; /* binary search in table of non-spacing characters */ - if (bisearch(ch, combining, sizeof(combining) + if (bisearch(ch, zero_width, sizeof(zero_width) / sizeof(struct interval) - 1)) return 0; - /* - * If we arrive here, ch is neither a combining nor a C0/C1 - * control character. - */ + /* binary search in table of double width characters */ + if (bisearch(ch, double_width, sizeof(double_width) + / sizeof(struct interval) - 1)) + return 2; - return 1 + - (ch >= 0x1100 && - /* Hangul Jamo init. consonants */ - (ch <= 0x115f || - ch == 0x2329 || ch == 0x232a || - /* CJK ... Yi */ - (ch >= 0x2e80 && ch <= 0xa4cf && - ch != 0x303f) || - /* Hangul Syllables */ - (ch >= 0xac00 && ch <= 0xd7a3) || - /* CJK Compatibility Ideographs */ - (ch >= 0xf900 && ch <= 0xfaff) || - /* CJK Compatibility Forms */ - (ch >= 0xfe30 && ch <= 0xfe6f) || - /* Fullwidth Forms */ - (ch >= 0xff00 && ch <= 0xff60) || - (ch >= 0xffe0 && ch <= 0xffe6) || - (ch >= 0x20000 && ch <= 0x2fffd) || - (ch >= 0x30000 && ch <= 0x3fffd))); + return 1; } /* @@ -174,6 +174,24 @@ ssize_t xwrite(int fd, const void *buf, size_t len) } } +/* + * xpread() is the same as pread(), but it automatically restarts pread() + * operations with a recoverable error (EAGAIN and EINTR). xpread() DOES + * NOT GUARANTEE that "len" bytes is read even if the data is available. + */ +ssize_t xpread(int fd, void *buf, size_t len, off_t offset) +{ + ssize_t nr; + if (len > MAX_IO_SIZE) + len = MAX_IO_SIZE; + while (1) { + nr = pread(fd, buf, len, offset); + if ((nr < 0) && (errno == EAGAIN || errno == EINTR)) + continue; + return nr; + } +} + ssize_t read_in_full(int fd, void *buf, size_t count) { char *p = buf; @@ -214,6 +232,26 @@ ssize_t write_in_full(int fd, const void *buf, size_t count) return total; } +ssize_t pread_in_full(int fd, void *buf, size_t count, off_t offset) +{ + char *p = buf; + ssize_t total = 0; + + while (count > 0) { + ssize_t loaded = xpread(fd, p, count, offset); + if (loaded < 0) + return -1; + if (loaded == 0) + return total; + count -= loaded; + p += loaded; + total += loaded; + offset += loaded; + } + + return total; +} + int xdup(int fd) { int ret = dup(fd); diff --git a/wt-status.c b/wt-status.c index ec7344e508..b8841e1dca 100644 --- a/wt-status.c +++ b/wt-status.c @@ -188,7 +188,7 @@ static void wt_status_print_unmerged_header(struct wt_status *s) } else { status_printf_ln(s, c, _(" (use \"git add/rm <file>...\" as appropriate to mark resolution)")); } - status_printf_ln(s, c, ""); + status_printf_ln(s, c, "%s", ""); } static void wt_status_print_cached_header(struct wt_status *s) @@ -204,7 +204,7 @@ static void wt_status_print_cached_header(struct wt_status *s) status_printf_ln(s, c, _(" (use \"git reset %s <file>...\" to unstage)"), s->reference); else status_printf_ln(s, c, _(" (use \"git rm --cached <file>...\" to unstage)")); - status_printf_ln(s, c, ""); + status_printf_ln(s, c, "%s", ""); } static void wt_status_print_dirty_header(struct wt_status *s, @@ -223,7 +223,7 @@ static void wt_status_print_dirty_header(struct wt_status *s, status_printf_ln(s, c, _(" (use \"git checkout -- <file>...\" to discard changes in working directory)")); if (has_dirty_submodules) status_printf_ln(s, c, _(" (commit or discard the untracked or modified content in submodules)")); - status_printf_ln(s, c, ""); + status_printf_ln(s, c, "%s", ""); } static void wt_status_print_other_header(struct wt_status *s, @@ -235,12 +235,12 @@ static void wt_status_print_other_header(struct wt_status *s, if (!s->hints) return; status_printf_ln(s, c, _(" (use \"git %s <file>...\" to include in what will be committed)"), how); - status_printf_ln(s, c, ""); + status_printf_ln(s, c, "%s", ""); } static void wt_status_print_trailer(struct wt_status *s) { - status_printf_ln(s, color(WT_STATUS_HEADER, s), ""); + status_printf_ln(s, color(WT_STATUS_HEADER, s), "%s", ""); } #define quote_path quote_path_relative @@ -826,7 +826,7 @@ static void wt_status_print_other(struct wt_status *s, string_list_clear(&output, 0); strbuf_release(&buf); conclude: - status_printf_ln(s, GIT_COLOR_NORMAL, ""); + status_printf_ln(s, GIT_COLOR_NORMAL, "%s", ""); } void wt_status_truncate_message_at_cut_line(struct strbuf *buf) @@ -913,7 +913,7 @@ static void wt_status_print_tracking(struct wt_status *s) color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "%c", comment_line_char); else - fprintf_ln(s->fp, ""); + fputs("", s->fp); } static int has_unmerged(struct wt_status *s) @@ -1329,7 +1329,7 @@ void wt_status_print(struct wt_status *s) on_what = _("Not currently on any branch."); } } - status_printf(s, color(WT_STATUS_HEADER, s), ""); + status_printf(s, color(WT_STATUS_HEADER, s), "%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) @@ -1342,9 +1342,9 @@ void wt_status_print(struct wt_status *s) free(state.detached_from); if (s->is_initial) { - status_printf_ln(s, color(WT_STATUS_HEADER, s), ""); + status_printf_ln(s, color(WT_STATUS_HEADER, s), "%s", ""); status_printf_ln(s, color(WT_STATUS_HEADER, s), _("Initial commit")); - status_printf_ln(s, color(WT_STATUS_HEADER, s), ""); + status_printf_ln(s, color(WT_STATUS_HEADER, s), "%s", ""); } wt_status_print_updated(s); @@ -1361,7 +1361,7 @@ void wt_status_print(struct wt_status *s) if (s->show_ignored_files) wt_status_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, ""); + status_printf_ln(s, GIT_COLOR_NORMAL, "%s", ""); status_printf_ln(s, GIT_COLOR_NORMAL, _("It took %.2f seconds to enumerate untracked files. 'status -uno'\n" "may speed it up, but you have to be careful not to forget to add\n" |