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2017-11-27Merge branch 'tb/add-renormalize'Libravatar Junio C Hamano1-2/+26
"git add --renormalize ." is a new and safer way to record the fact that you are correcting the end-of-line convention and other "convert_to_git()" glitches in the in-repository data. * tb/add-renormalize: add: introduce "--renormalize"
2017-11-17add: introduce "--renormalize"Libravatar Torsten Bögershausen1-2/+26
Make it safer to normalize the line endings in a repository. Files that had been commited with CRLF will be commited with LF. The old way to normalize a repo was like this: # Make sure that there are not untracked files $ echo "* text=auto" >.gitattributes $ git read-tree --empty $ git add . $ git commit -m "Introduce end-of-line normalization" The user must make sure that there are no untracked files, otherwise they would have been added and tracked from now on. The new "add --renormalize" does not add untracked files: $ echo "* text=auto" >.gitattributes $ git add --renormalize . $ git commit -m "Introduce end-of-line normalization" Note that "git add --renormalize <pathspec>" is the short form for "git add -u --renormalize <pathspec>". While at it, document that the same renormalization may be needed, whenever a clean filter is added or changed. Helped-By: Junio C Hamano <gitster@pobox.com> Signed-off-by: Torsten Bögershausen <tboegi@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-11-01diff: make struct diff_flags members lowercaseLibravatar Brandon Williams1-2/+2
Now that the flags stored in struct diff_flags are being accessed directly and not through macros, change all struct members from being uppercase to lowercase. This conversion is done using the following semantic patch: @@ expression E; @@ - E.RECURSIVE + E.recursive @@ expression E; @@ - E.TREE_IN_RECURSIVE + E.tree_in_recursive @@ expression E; @@ - E.BINARY + E.binary @@ expression E; @@ - E.TEXT + E.text @@ expression E; @@ - E.FULL_INDEX + E.full_index @@ expression E; @@ - E.SILENT_ON_REMOVE + E.silent_on_remove @@ expression E; @@ - E.FIND_COPIES_HARDER + E.find_copies_harder @@ expression E; @@ - E.FOLLOW_RENAMES + E.follow_renames @@ expression E; @@ - E.RENAME_EMPTY + E.rename_empty @@ expression E; @@ - E.HAS_CHANGES + E.has_changes @@ expression E; @@ - E.QUICK + E.quick @@ expression E; @@ - E.NO_INDEX + E.no_index @@ expression E; @@ - E.ALLOW_EXTERNAL + E.allow_external @@ expression E; @@ - E.EXIT_WITH_STATUS + E.exit_with_status @@ expression E; @@ - E.REVERSE_DIFF + E.reverse_diff @@ expression E; @@ - E.CHECK_FAILED + E.check_failed @@ expression E; @@ - E.RELATIVE_NAME + E.relative_name @@ expression E; @@ - E.IGNORE_SUBMODULES + E.ignore_submodules @@ expression E; @@ - E.DIRSTAT_CUMULATIVE + E.dirstat_cumulative @@ expression E; @@ - E.DIRSTAT_BY_FILE + E.dirstat_by_file @@ expression E; @@ - E.ALLOW_TEXTCONV + E.allow_textconv @@ expression E; @@ - E.TEXTCONV_SET_VIA_CMDLINE + E.textconv_set_via_cmdline @@ expression E; @@ - E.DIFF_FROM_CONTENTS + E.diff_from_contents @@ expression E; @@ - E.DIRTY_SUBMODULES + E.dirty_submodules @@ expression E; @@ - E.IGNORE_UNTRACKED_IN_SUBMODULES + E.ignore_untracked_in_submodules @@ expression E; @@ - E.IGNORE_DIRTY_SUBMODULES + E.ignore_dirty_submodules @@ expression E; @@ - E.OVERRIDE_SUBMODULE_CONFIG + E.override_submodule_config @@ expression E; @@ - E.DIRSTAT_BY_LINE + E.dirstat_by_line @@ expression E; @@ - E.FUNCCONTEXT + E.funccontext @@ expression E; @@ - E.PICKAXE_IGNORE_CASE + E.pickaxe_ignore_case @@ expression E; @@ - E.DEFAULT_FOLLOW_RENAMES + E.default_follow_renames Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-11-01diff: remove DIFF_OPT_SET macroLibravatar Brandon Williams1-2/+2
Remove the `DIFF_OPT_SET` macro and instead set the flags directly. This conversion is done using the following semantic patch: @@ expression E; identifier fld; @@ - DIFF_OPT_SET(&E, fld) + E.flags.fld = 1 @@ type T; T *ptr; identifier fld; @@ - DIFF_OPT_SET(ptr, fld) + ptr->flags.fld = 1 Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-10-31add, reset: use DIFF_OPT_SET macro to set a diff flagLibravatar Brandon Williams1-1/+1
Instead of explicitly setting the 'DIFF_OPT_OVERRIDE_SUBMODULE_CONFIG' flag, use the 'DIFF_OPT_SET' macro. Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-09-08add UNLEAK annotation for reducing leak false positivesLibravatar Jeff King1-0/+2
It's a common pattern in git commands to allocate some memory that should last for the lifetime of the program and then not bother to free it, relying on the OS to throw it away. This keeps the code simple, and it's fast (we don't waste time traversing structures or calling free at the end of the program). But it also triggers warnings from memory-leak checkers like valgrind or LSAN. They know that the memory was still allocated at program exit, but they don't know _when_ the leaked memory stopped being useful. If it was early in the program, then it's probably a real and important leak. But if it was used right up until program exit, it's not an interesting leak and we'd like to suppress it so that we can see the real leaks. This patch introduces an UNLEAK() macro that lets us do so. To understand its design, let's first look at some of the alternatives. Unfortunately the suppression systems offered by leak-checking tools don't quite do what we want. A leak-checker basically knows two things: 1. Which blocks were allocated via malloc, and the callstack during the allocation. 2. Which blocks were left un-freed at the end of the program (and which are unreachable, but more on that later). Their suppressions work by mentioning the function or callstack of a particular allocation, and marking it as OK to leak. So imagine you have code like this: int cmd_foo(...) { /* this allocates some memory */ char *p = some_function(); printf("%s", p); return 0; } You can say "ignore allocations from some_function(), they're not leaks". But that's not right. That function may be called elsewhere, too, and we would potentially want to know about those leaks. So you can say "ignore the callstack when main calls some_function". That works, but your annotations are brittle. In this case it's only two functions, but you can imagine that the actual allocation is much deeper. If any of the intermediate code changes, you have to update the suppression. What we _really_ want to say is that "the value assigned to p at the end of the function is not a real leak". But leak-checkers can't understand that; they don't know about "p" in the first place. However, we can do something a little bit tricky if we make some assumptions about how leak-checkers work. They generally don't just report all un-freed blocks. That would report even globals which are still accessible when the leak-check is run. Instead they take some set of memory (like BSS) as a root and mark it as "reachable". Then they scan the reachable blocks for anything that looks like a pointer to a malloc'd block, and consider that block reachable. And then they scan those blocks, and so on, transitively marking anything reachable from a global as "not leaked" (or at least leaked in a different category). So we can mark the value of "p" as reachable by putting it into a variable with program lifetime. One way to do that is to just mark "p" as static. But that actually affects the run-time behavior if the function is called twice (you aren't likely to call main() twice, but some of our cmd_*() functions are called from other commands). Instead, we can trick the leak-checker by putting the value into _any_ reachable bytes. This patch keeps a global linked-list of bytes copied from "unleaked" variables. That list is reachable even at program exit, which confers recursive reachability on whatever values we unleak. In other words, you can do: int cmd_foo(...) { char *p = some_function(); printf("%s", p); UNLEAK(p); return 0; } to annotate "p" and suppress the leak report. But wait, couldn't we just say "free(p)"? In this toy example, yes. But UNLEAK()'s byte-copying strategy has several advantages over actually freeing the memory: 1. It's recursive across structures. In many cases our "p" is not just a pointer, but a complex struct whose fields may have been allocated by a sub-function. And in some cases (e.g., dir_struct) we don't even have a function which knows how to free all of the struct members. By marking the struct itself as reachable, that confers reachability on any pointers it contains (including those found in embedded structs, or reachable by walking heap blocks recursively. 2. It works on cases where we're not sure if the value is allocated or not. For example: char *p = argc > 1 ? argv[1] : some_function(); It's safe to use UNLEAK(p) here, because it's not freeing any memory. In the case that we're pointing to argv here, the reachability checker will just ignore our bytes. 3. Likewise, it works even if the variable has _already_ been freed. We're just copying the pointer bytes. If the block has been freed, the leak-checker will skip over those bytes as uninteresting. 4. Because it's not actually freeing memory, you can UNLEAK() before we are finished accessing the variable. This is helpful in cases like this: char *p = some_function(); return another_function(p); Writing this with free() requires: int ret; char *p = some_function(); ret = another_function(p); free(p); return ret; But with unleak we can just write: char *p = some_function(); UNLEAK(p); return another_function(p); This patch adds the UNLEAK() macro and enables it automatically when Git is compiled with SANITIZE=leak. In normal builds it's a noop, so we pay no runtime cost. It also adds some UNLEAK() annotations to show off how the feature works. On top of other recent leak fixes, these are enough to get t0000 and t0001 to pass when compiled with LSAN. Note the case in commit.c which actually converts a strbuf_release() into an UNLEAK. This code was already non-leaky, but the free didn't do anything useful, since we're exiting. Converting it to an annotation means that non-leak-checking builds pay no runtime cost. The cost is minimal enough that it's probably not worth going on a crusade to convert these kinds of frees to UNLEAKS. I did it here for consistency with the "sb" leak (though it would have been equally correct to go the other way, and turn them both into strbuf_release() calls). Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-09-06add: free leaked pathspec after add_files_to_cache()Libravatar Jeff King1-0/+1
After run_diff_files, we throw away the rev_info struct, including the pathspec that we copied into it, leaking the memory. this is probably not a big deal in practice. We usually only run this once per process, and the leak is proportional to the pathspec list we're already holding in memory. But it's still a leak, and it pollutes leak-checker output, making it harder to find important leaks. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-08-26Merge branch 'bw/submodule-config-cleanup'Libravatar Junio C Hamano1-0/+1
Code clean-up to avoid mixing values read from the .gitmodules file and values read from the .git/config file. * bw/submodule-config-cleanup: submodule: remove gitmodules_config unpack-trees: improve loading of .gitmodules submodule-config: lazy-load a repository's .gitmodules file submodule-config: move submodule-config functions to submodule-config.c submodule-config: remove support for overlaying repository config diff: stop allowing diff to have submodules configured in .git/config submodule: remove submodule_config callback routine unpack-trees: don't respect submodule.update submodule: don't rely on overlayed config when setting diffopts fetch: don't overlay config with submodule-config submodule--helper: don't overlay config in update-clone submodule--helper: don't overlay config in remote_submodule_branch add, reset: ensure submodules can be added or reset submodule: don't use submodule_from_name t7411: check configuration parsing errors
2017-08-22Merge branch 'rj/add-chmod-error-message'Libravatar Junio C Hamano1-3/+3
Message fix. * rj/add-chmod-error-message: builtin/add: add detail to a 'cannot chmod' error message
2017-08-09builtin/add: add detail to a 'cannot chmod' error messageLibravatar Ramsay Jones1-3/+3
In addition to adding the missing newline, add the x-ecutable bit 'mode change' character to the error message. This message now has the same form as similar messages output by 'update-index'. Signed-off-by: Ramsay Jones <ramsay@ramsayjones.plus.com> Reviewed-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-08-02add, reset: ensure submodules can be added or resetLibravatar Brandon Williams1-0/+1
Commit aee9c7d65 (Submodules: Add the new "ignore" config option for diff and status) introduced the ignore configuration option for submodules so that configured submodules could be omitted from the status and diff commands. Because this flag is respected in the diff machinery it has the unintended consequence of potentially prohibiting users from adding or resetting a submodule, even when a path to the submodule is explicitly given. Ensure that submodules can be added or set, even if they are configured to be ignored, by setting the `DIFF_OPT_OVERRIDE_SUBMODULE_CONFIG` diff flag. Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-06-24Merge branch 'jk/warn-add-gitlink'Libravatar Junio C Hamano1-1/+45
Using "git add d/i/r" when d/i/r is the top of the working tree of a separate repository would create a gitlink in the index, which would appear as a not-quite-initialized submodule to others. We learned to give warnings when this happens. * jk/warn-add-gitlink: t: move "git add submodule" into test blocks add: warn when adding an embedded repository
2017-06-24Merge branch 'bw/config-h'Libravatar Junio C Hamano1-0/+1
Fix configuration codepath to pay proper attention to commondir that is used in multi-worktree situation, and isolate config API into its own header file. * bw/config-h: config: don't implicitly use gitdir or commondir config: respect commondir setup: teach discover_git_directory to respect the commondir config: don't include config.h by default config: remove git_config_iter config: create config.h
2017-06-15config: don't include config.h by defaultLibravatar Brandon Williams1-0/+1
Stop including config.h by default in cache.h. Instead only include config.h in those files which require use of the config system. Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-06-15add: warn when adding an embedded repositoryLibravatar Jeff King1-1/+45
It's an easy mistake to add a repository inside another repository, like: git clone $url git add . The resulting entry is a gitlink, but there's no matching .gitmodules entry. Trying to use "submodule init" (or clone with --recursive) doesn't do anything useful. Prior to v2.13, such an entry caused git-submodule to barf entirely. In v2.13, the entry is considered "inactive" and quietly ignored. Either way, no clone of your repository can do anything useful with the gitlink without the user manually adding the submodule config. In most cases, the user probably meant to either add a real submodule, or they forgot to put the embedded repository in their .gitignore file. Let's issue a warning when we see this case. There are a few things to note: - the warning will go in the git-add porcelain; anybody wanting to do low-level manipulation of the index is welcome to create whatever funny states they want. - we detect the case by looking for a newly added gitlink; updates via "git add submodule" are perfectly reasonable, and this avoids us having to investigate .gitmodules entirely - there's a command-line option to suppress the warning. This is needed for git-submodule itself (which adds the entry before adding any submodule config), but also provides a mechanism for other scripts doing submodule-like things. We could make this a hard error instead of a warning. However, we do add lots of sub-repos in our test suite. It's not _wrong_ to do so. It just creates a state where users may be surprised. Pointing them in the right direction with a gentle hint is probably the best option. There is a config knob that can disable the (long) hint. But I intentionally omitted a config knob to disable the warning entirely. Whether the warning is sensible or not is generally about context, not about the user's preferences. If there's a tool or workflow that adds gitlinks without matching .gitmodules, it should probably be taught about the new command-line option, rather than blanket-disabling the warning. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-05-30Merge branch 'bw/pathspec-sans-the-index'Libravatar Junio C Hamano1-4/+8
Simplify parse_pathspec() codepath and stop it from looking at the default in-core index. * bw/pathspec-sans-the-index: pathspec: convert find_pathspecs_matching_against_index to take an index pathspec: remove PATHSPEC_STRIP_SUBMODULE_SLASH_CHEAP ls-files: prevent prune_cache from overeagerly pruning submodules pathspec: remove PATHSPEC_STRIP_SUBMODULE_SLASH_EXPENSIVE flag submodule: add die_in_unpopulated_submodule function pathspec: provide a more descriptive die message
2017-05-12pathspec: convert find_pathspecs_matching_against_index to take an indexLibravatar Brandon Williams1-2/+2
Convert find_pathspecs_matching_against_index to take an index parameter. In addition mark pathspec.c with NO_THE_INDEX_COMPATIBILITY_MACROS now that it doesn't use any cache macros or reference 'the_index'. Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-05-12pathspec: remove PATHSPEC_STRIP_SUBMODULE_SLASH_EXPENSIVE flagLibravatar Brandon Williams1-2/+3
Since (ae8d08242 pathspec: pass directory indicator to match_pathspec_item()) the path matching logic has been able to cope with submodules without needing to strip off a trailing slash if a path refers to a submodule. Since the stripping the trailing slash is no longer necessary, remove the PATHSPEC_STRIP_SUBMODULE_SLASH_EXPENSIVE flag. In addition, factor out the logic which dies if a path decends into a submodule so that it can still be used as a check after a pathspec struct has been initialized. Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-05-10submodule: add die_in_unpopulated_submodule functionLibravatar Brandon Williams1-0/+3
Currently 'git add' is the only command which dies when launched from an unpopulated submodule (the place-holder directory for a submodule which hasn't been checked out). This is triggered implicitly by passing the PATHSPEC_STRIP_SUBMODULE_SLASH_EXPENSIVE flag to 'parse_pathspec()'. Instead make this desire more explicit by creating a function 'die_in_unpopulated_submodule()' which dies if the provided 'prefix' has a leading path component which matches a submodule in the the index. Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-05-06dir: convert fill_directory to take an indexLibravatar Brandon Williams1-1/+1
Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-05-06dir: convert is_excluded to take an indexLibravatar Brandon Williams1-1/+1
Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-05-06dir: convert dir_add* to take an indexLibravatar Brandon Williams1-1/+2
Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-12-07hold_locked_index(): align error handling with hold_lockfile_for_update()Libravatar Junio C Hamano1-1/+1
Callers of the hold_locked_index() function pass 0 when they want to prepare to write a new version of the index file without wishing to die or emit an error message when the request fails (e.g. somebody else already held the lock), and pass 1 when they want the call to die upon failure. This option is called LOCK_DIE_ON_ERROR by the underlying lockfile API, and the hold_locked_index() function translates the paramter to LOCK_DIE_ON_ERROR when calling the hold_lock_file_for_update(). Replace these hardcoded '1' with LOCK_DIE_ON_ERROR and stop translating. Callers other than the ones that are replaced with this change pass '0' to the function; no behaviour change is intended with this patch. Signed-off-by: Junio C Hamano <gitster@pobox.com> --- Among the callers of hold_locked_index() that passes 0: - diff.c::refresh_index_quietly() at the end of "git diff" is an opportunistic update; it leaks the lockfile structure but it is just before the program exits and nobody should care. - builtin/describe.c::cmd_describe(), builtin/commit.c::cmd_status(), sequencer.c::read_and_refresh_cache() are all opportunistic updates and they are OK. - builtin/update-index.c::cmd_update_index() takes a lock upfront but we may end up not needing to update the index (i.e. the entries may be fully up-to-date), in which case we do not need to issue an error upon failure to acquire the lock. We do diagnose and die if we indeed need to update, so it is OK. - wt-status.c::require_clean_work_tree() IS BUGGY. It asks silence, does not check the returned value. Compare with callsites like cmd_describe() and cmd_status() to notice that it is wrong to call update_index_if_able() unconditionally.
2016-09-15add: modify already added files when --chmod is givenLibravatar Thomas Gummerer1-19/+28
When the chmod option was added to git add, it was hooked up to the diff machinery, meaning that it only works when the version in the index differs from the version on disk. As the option was supposed to mirror the chmod option in update-index, which always changes the mode in the index, regardless of the status of the file, make sure the option behaves the same way in git add. Signed-off-by: Thomas Gummerer <t.gummerer@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-07add: add --chmod=+x / --chmod=-x optionsLibravatar Edward Thomson1-9/+24
The executable bit will not be detected (and therefore will not be set) for paths in a repository with `core.filemode` set to false, though the users may still wish to add files as executable for compatibility with other users who _do_ have `core.filemode` functionality. For example, Windows users adding shell scripts may wish to add them as executable for compatibility with users on non-Windows. Although this can be done with a plumbing command (`git update-index --add --chmod=+x foo`), teaching the `git-add` command allows users to set a file executable with a command that they're already familiar with. Signed-off-by: Edward Thomson <ethomson@edwardthomson.com> Helped-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-10-30Merge branch 'jc/add-u-A-default-to-top'Libravatar Junio C Hamano1-7/+1
"git --literal-pathspecs add -u/-A" without any command line argument misbehaved ever since Git 2.0. * jc/add-u-A-default-to-top: add: simplify -u/-A without pathspec
2015-10-24add: simplify -u/-A without pathspecLibravatar Junio C Hamano1-7/+1
Since Git 2.0, "add -u" and "add -A" run from a subdirectory without any pathspec mean "everything in the working tree" (before 2.0, they were limited to the current directory). The limiting to the current directory was implemented by inserting "." to the command line when the end user did not give us any pathspec. At 2.0, we updated the code to insert ":/" (instead of '.') to consider everything from the top-level, by using a pathspec magic "top". The call to parse_pathspec() using the command line arguments is, however, made with PATHSPEC_PREFER_FULL option since 5a76aff1 (add: convert to use parse_pathspec, 2013-07-14), which predates Git 2.0. In retrospect, there was no need to turn "adding . to limit to the directory" into "adding :/ to unlimit to everywhere" in Git 2.0; instead we could just have done "if there is no pathspec on the command line, just let it be". The parse_pathspec() then would give us a pathspec that matches everything and all is well. Incidentally such a simplification also fixes a corner case bug that stems from the fact that ":/" does not necessarily mean any magic. A user would say "git --literal-pathspecs add -u :/" from the command line when she has a directory ':' and wants to add everything in it (and she knows that her :/ will be taken as 'everything under the sun' magic pathspec unless she disables the magic with --literal-pathspecs). The internal use of ':/' would behave the same way as such an explicitly given ":/" when run with "--literal-pathspecs", and will not add everything under the sun as the code originally intended. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-08-12Merge branch 'sb/remove-unused-var-from-builtin-add'Libravatar Junio C Hamano1-2/+0
* sb/remove-unused-var-from-builtin-add: add: remove dead code
2015-07-31add: remove dead codeLibravatar Stefan Beller1-2/+0
Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-06-25Merge branch 'nd/diff-i-t-a'Libravatar Junio C Hamano1-1/+0
* nd/diff-i-t-a: Revert "diff-lib.c: adjust position of i-t-a entries in diff"
2015-06-23Revert "diff-lib.c: adjust position of i-t-a entries in diff"Libravatar Junio C Hamano1-1/+0
This reverts commit d95d728aba06a34394d15466045cbdabdada58a2. It turns out that many other commands that need to interact with the result of running diff-files and diff-index, e.g. "git apply", "git rm", etc., need to be adjusted to the new world order it brings in. For example, it would break this sequence to correct a whitespace breakage in the parts you changed: git add -N file git diff --cached file | git apply --cached --whitespace=fix git checkout file In the old world order, "diff" showed a patch to modify an existing empty file by adding its full contents, and "apply" updated the index by modifying the existing empty blob (which is what an Intent-to-Add entry records in the index) with that patch. In the new world order, "diff" shows a patch to create a new file with its full contents, but because "apply" thinks that the i-t-a entry already exists in the index, it refused to accept a creation. Adjusting "apply" to this new world order is easy, but we need to assess the extent of the damage to the rest of the system the new world order brought in before going forward and adjust them all, after which we can resurrect the commit being reverted here. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-05-22Merge branch 'jk/add-e-kill-editor'Libravatar Junio C Hamano1-1/+2
"git add -e" did not allow the user to abort the operation by killing the editor. * jk/add-e-kill-editor: add: check return value of launch_editor
2015-05-12add: check return value of launch_editorLibravatar Jeff King1-1/+2
When running "add -e", if launching the editor fails, we do not notice and continue as if the output is what the user asked for. The likely case is that the editor did not touch the contents at all, and we end up adding everything. Reported-by: Russ Cox <rsc@golang.org> Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-03-23diff-lib.c: adjust position of i-t-a entries in diffLibravatar Nguyễn Thái Ngọc Duy1-0/+1
Entries added by "git add -N" are reminder for the user so that they don't forget to add them before committing. These entries appear in the index even though they are not real. Their presence in the index leads to a confusing "git status" like this: On branch master Changes to be committed: new file: foo Changes not staged for commit: modified: foo If you do a "git commit", "foo" will not be included even though "status" reports it as "to be committed". This patch changes the output to become On branch master Changes not staged for commit: new file: foo no changes added to commit The two hunks in diff-lib.c adjust "diff-index" and "diff-files" so that i-t-a entries appear as new files in diff-files and nothing in diff-index. Due to this change, diff-files may start to report "new files" for the first time. "add -u" needs to be told about this or it will die in denial, screaming "new files can't exist! Reality is wrong." Luckily, it's the only one among run_diff_files() callers that needs fixing. Now in the new world order, a hierarchy in the index that contain i-t-a paths is written out as a tree object as if these i-t-a entries do not exist, and comparing the index with such a tree object that would result from writing out the hierarchy will result in no difference. Update a test in t2203 that expected the i-t-a entries to appear as "added to the index" in the comparison to instead expect no output. An earlier change eec3e7e4 (cache-tree: invalidate i-t-a paths after generating trees, 2012-12-16) becomes an unnecessary pessimization in the new world order---a cache-tree in the index that corresponds to a hierarchy with i-t-a paths can now be marked as valid and record the object name of the tree that results from writing a tree object out of that hierarchy, as it will compare equal to that tree. Reverting the commit is left for the future, though, as it is purely a performance issue and no longer affects correctness. Helped-by: Michael J Gruber <git@drmicha.warpmail.net> Helped-by: Junio C Hamano <gitster@pobox.com> Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-01-14standardize usage info string formatLibravatar Alex Henrie1-1/+1
This patch puts the usage info strings that were not already in docopt- like format into docopt-like format, which will be a litle easier for end users and a lot easier for translators. Changes include: - Placing angle brackets around fill-in-the-blank parameters - Putting dashes in multiword parameter names - Adding spaces to [-f|--foobar] to make [-f | --foobar] - Replacing <foobar>* with [<foobar>...] Signed-off-by: Alex Henrie <alexhenrie24@gmail.com> Reviewed-by: Matthieu Moy <Matthieu.Moy@imag.fr> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-21add: ignore only ignored filesLibravatar Michael J Gruber1-1/+1
"git add foo bar" adds neither foo nor bar when bar is ignored, but dies to let the user recheck their command invocation. This becomes less helpful when "git add foo.*" is subject to shell expansion and some of the expanded files are ignored. "git add --ignore-errors" is supposed to ignore errors when indexing some files and adds the others. It does ignore errors from actual indexing attempts, but does not ignore the error "file is ignored" as outlined above. This is unexpected. Change "git add foo bar" to add foo when bar is ignored, but issue a warning and return a failure code as before the change. That is, in the case of trying to add ignored files we now act the same way (with or without "--ignore-errors") in which we act for more severe indexing errors when "--ignore-errors" is specified. Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net> Reviewed-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-01lockfile.h: extract new header file for the functions in lockfile.cLibravatar Michael Haggerty1-0/+1
Move the interface declaration for the functions in lockfile.c from cache.h to a new file, lockfile.h. Add #includes where necessary (and remove some redundant includes of cache.h by files that already include builtin.h). Move the documentation of the lock_file state diagram from lockfile.c to the new header file. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-08-20run-command: introduce CHILD_PROCESS_INITLibravatar René Scharfe1-2/+1
Most struct child_process variables are cleared using memset first after declaration. Provide a macro, CHILD_PROCESS_INIT, that can be used to initialize them statically instead. That's shorter, doesn't require a function call and is slightly more readable (especially given that we already have STRBUF_INIT, ARGV_ARRAY_INIT etc.). Helped-by: Johannes Sixt <j6t@kdbg.org> Signed-off-by: Rene Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-06-13read-cache: new API write_locked_index instead of write_index/write_cacheLibravatar Nguyễn Thái Ngọc Duy1-4/+2
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-03-28Merge branch 'fr/add-interactive-argv-array'Libravatar Junio C Hamano1-11/+10
* fr/add-interactive-argv-array: add: use struct argv_array in run_add_interactive()
2014-03-18add: use struct argv_array in run_add_interactive()Libravatar Fabian Ruch1-11/+10
run_add_interactive() in builtin/add.c manually computes array bounds and allocates a static args array to build the add--interactive command line, which is error-prone. Use the argv-array helper functions instead. Signed-off-by: Fabian Ruch <bafain@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-03-07Merge branch 'jc/add-2.0-ignore-removal'Libravatar Junio C Hamano1-57/+12
"git add <pathspec>" is the same as "git add -A <pathspec>" now, i.e. it does not ignore removals from the directory specified.
2014-03-07Merge branch 'jn/add-2.0-u-A-sans-pathspec'Libravatar Junio C Hamano1-106/+9
"git add -u" and "git add -A" without any pathspec is a tree-wide operation now, even when they are run in a subdirectory of the working tree.
2014-02-24pathspec: convert some match_pathspec_depth() to dir_path_match()Libravatar Nguyễn Thái Ngọc Duy1-2/+1
This helps reduce the number of match_pathspec_depth() call sites and show how m_p_d() is used. And it usage is: - match against an index entry (ce_path_match or match_pathspec_depth in ls-files) - match against a dir_entry from read_directory (dir_path_match and match_pathspec_depth in clean.c, which will be converted later) - resolve-undo (rerere.c and ls-files.c) Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-01-10Merge branch 'nd/add-empty-fix'Libravatar Junio C Hamano1-1/+1
"git add -A" (no other arguments) in a totally empty working tree used to emit an error. * nd/add-empty-fix: add: don't complain when adding empty project root
2013-12-26add: don't complain when adding empty project rootLibravatar Nguyễn Thái Ngọc Duy1-1/+1
This behavior was added in 07d7bed (add: don't complain when adding empty project root - 2009-04-28) then broken by 84b8b5d (remove match_pathspec() in favor of match_pathspec_depth() - 2013-07-14). Reinstate it. Noticed-by: Thomas Ferris Nicolaisen <tfnico@gmail.com> Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Reviewed-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-12-06Support pathspec magic :(exclude) and its short form :!Libravatar Nguyễn Thái Ngọc Duy1-1/+4
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-09-17Merge branch 'fc/trivial'Libravatar Junio C Hamano1-5/+5
* fc/trivial: pull: use $curr_branch_short more add: trivial style cleanup reset: trivial style cleanup branch: trivial style fix reset: trivial refactoring
2013-09-09Merge branch 'nd/magic-pathspec'Libravatar Junio C Hamano1-7/+1
Use "struct pathspec" interface in more places, instead of array of characters, the latter of which cannot express magic pathspecs (e.g. ":(icase)makefile" that matches both Makefile and makefile). * nd/magic-pathspec: add: lift the pathspec magic restriction on "add -p" pathspec: catch prepending :(prefix) on pathspec with short magic
2013-09-09Merge branch 'jl/submodule-mv'Libravatar Junio C Hamano1-88/+78
"git mv A B" when moving a submodule A does "the right thing", inclusing relocating its working tree and adjusting the paths in the .gitmodules file. * jl/submodule-mv: (53 commits) rm: delete .gitmodules entry of submodules removed from the work tree mv: update the path entry in .gitmodules for moved submodules submodule.c: add .gitmodules staging helper functions mv: move submodules using a gitfile mv: move submodules together with their work trees rm: do not set a variable twice without intermediate reading. t6131 - skip tests if on case-insensitive file system parse_pathspec: accept :(icase)path syntax pathspec: support :(glob) syntax pathspec: make --literal-pathspecs disable pathspec magic pathspec: support :(literal) syntax for noglob pathspec kill limit_pathspec_to_literal() as it's only used by parse_pathspec() parse_pathspec: preserve prefix length via PATHSPEC_PREFIX_ORIGIN parse_pathspec: make sure the prefix part is wildcard-free rename field "raw" to "_raw" in struct pathspec tree-diff: remove the use of pathspec's raw[] in follow-rename codepath remove match_pathspec() in favor of match_pathspec_depth() remove init_pathspec() in favor of parse_pathspec() remove diff_tree_{setup,release}_paths convert common_prefix() to use struct pathspec ...
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