kmx git

Commit	Date	Message
351888cf	2013-06-13T15:37:06	Improve case handling in git_diff__paired_foreach This commit reinstates some changes to git_diff__paired_foreach that were discarded during the rebase (because the diff_output.c file had gone away), and also adjusts the case insensitively logic slightly to hopefully deal with either mismatched icase diffs and other case insensitivity scenarios.
a3e8dbb4	2013-06-13T15:32:09	Be more careful about the path with diffs This makes diff more careful about picking the canonical path when generating a delta so that it won't accidentally pick up a case-mismatched path on a case-insensitive file system. This should make sure we use the "most accurate" case correct version of the path (i.e. from the tree if possible, or the index if need be).
eefef642	2013-06-13T16:09:53	Always do tree to index diffs case sensitively Trees are always case sensitive. The index is always case preserving and will be case sensitive when it is turned into a tree. Therefore the tree and the index can and should always be compared to one another case sensitively. This will restore the index to case insensitive order after the diff has been generated. Consider this a short-term fix. The long term fix is to have the index always stored both case sensitively and case insensitively (at least on platforms that sometimes require case insensitivity).
6de9b2ee	2013-06-12T21:10:33	util: It's called `memzero`
eb58e2d0	2013-06-12T21:05:48	Merge remote-tracking branch 'arrbee/minor-paranoia' into development
114f5a6c	2013-06-10T10:10:39	Reorganize diff and add basic diff driver This is a significant reorganization of the diff code to break it into a set of more clearly distinct files and to document the new organization. Hopefully this will make the diff code easier to understand and to extend. This adds a new `git_diff_driver` object that looks of diff driver information from the attributes and the config so that things like function content in diff headers can be provided. The full driver spec is not implemented in the commit - this is focused on the reorganization of the code and putting the driver hooks in place. This also removes a few #includes from src/repository.h that were overbroad, but as a result required extra #includes in a variety of places since including src/repository.h no longer results in pulling in the whole world.
3e9e6cda	2013-06-07T09:54:33	Add safe memset and use it This adds a `git__memset` routine that will not be optimized away and updates the places where I memset() right before a free() call to use it.
f658dc43	2013-05-31T14:09:58	Zero memory for major objects before freeing By zeroing out the memory when we free larger objects (i.e. those that serve as collections of other data, such as repos, odb, refdb), I'm hoping that it will be easier for libgit2 bindings to find errors in their object management code.
cee695ae	2013-05-31T12:18:43	Make iterators use GIT_ITEROVER & smart advance 1. internal iterators now return GIT_ITEROVER when you go past the last item in the iteration. 2. git_iterator_advance will "advance" to the first item in the iteration if it is called immediately after creating the iterator, which allows a simpler idiom for basic iteration. 3. if git_iterator_advance encounters an error reading data (e.g. a missing tree or an unreadable file), it returns the error but also attempts to advance past the invalid data to prevent an infinite loop. Updated all tests and internal usage of iterators to account for these new behaviors.
d20b0449	2013-05-24T10:37:40	Clarify GIT_DIFF_INCLUDE_UNTRACKED_CONTENT option This improves the docs for GIT_DIFF_INCLUDE_UNTRACKED_CONTENT as well as the other flags related to UNTRACKED items in diff, plus it makes that flag now automatically turn on GIT_DIFF_INCLUDE_UNTRACKED which seems like a reasonable dwim type of change.
0293450e	2013-05-17T16:57:49	Fix delta compare to use correct pathname The delta cmp function needs to choose the correct path for ordering when a delta is ADDED, RENAMED, or COPIED.
79ef3be4	2013-05-15T14:50:05	Fix diff crash when last item is untracked dir When the last item in a diff was an untracked directory that only contained ignored items, the loop to scan the contents would run off the end of the iterator and dereference a NULL pointer. This includes a test that reproduces the problem and a fix.
eb05b114	2013-05-07T22:45:01	Fix dumb type in time comparison
e35e2684	2013-05-07T04:32:17	Add GIT_DIFF_LINE_CONTEXT_EOFNL This adds a new line origin constant for the special line that is used when both files end without a newline. In the course of writing the tests for this, I was having problems with modifying a file but not having diff notice because it was the same size and modified less than one second from the start of the test, so I decided to start working on nanosecond timestamp support. This commit doesn't contain the nanosecond support, but it contains the reorganization of maybe_modified and the hooks so that if the nanosecond data were being read by stat() (or rather being copied by git_index_entry__init_from_stat), then the nsec would be taken into account. This new stuff could probably use some more tests, although there is some amount of it here.
d8041638	2013-05-02T17:22:13	fix some leaks
5fa7e469	2013-04-30T04:13:39	Fix some formatting inconsistency
e26b14c0	2013-04-26T15:35:47	Update diff handling of untracked directories When diff encounters an untracked directory, there was a shortcut that it took which is not compatible with core git. This makes the default behavior no longer take that shortcut and instead look inside the untracked directory to see if there are any untracked files within it. If there are not, then the directory is treated as an ignore directory instead of an untracked directory. This has implications for the git_status APIs.
fdb3034e	2013-04-25T14:57:13	Reorganize diff code into functions In preparation for more changes to the internal diff logic, it seemed wise to split the very large git_diff__from_iterators into separate functions that handle the four main cases (unmatched old item, unmatched new item, unmatched new directory, and matched old and new items). Hopefully this will keep the logic easier to follow even as more cases have to be added to this code.
b7f167da	2013-04-29T13:52:12	Make git_oid_cmp public and add git_oid__cmp
687db88f	2013-04-22T16:45:36	Make sure diff output is cleared on error
b1ff7004	2013-04-22T16:25:57	Improve diff config options handling This makes diff use the cvar cache for config options where possible, and also adds support for a number of other config options to diff including "diff.context", "diff.ignoreSubmodules", "diff.noprefix", "diff.mnemonicprefix", and "core.abbrev". To make this natural, this involved a rearrangement of the code that allocates the diff object vs. the code that initializes it based on the combination of options passed in by the user and read from the config. This commit includes tests for most of these new options as well.
608d0466	2013-04-22T13:51:35	Make tree to tree diffs case sensitive When case insensitive tree iterators were added, we started reading the case sensitivity of the index to decide if the tree should be case sensitive. This is good for index-to-tree comparisons, but for tree-to-tree comparisons, we should really default to doing a case sensitive comparison unless the user really wants otherwise.
a5df71c1	2013-04-19T22:36:01	Support diff.context config
ad26434b	2013-04-09T14:52:32	Tests and more fixes for submodule diffs This adds tests for diffs with submodules in them and (perhaps unsurprisingly) requires further fixes to be made. Specifically, this fixes: - when considering if a submodule is dirty in the workdir, it was being treated as dirty even if only the index was dirty. - git_diff_patch_to_str (and git_diff_patch_print) were "printing" the headers for files (and submodules) that were unmodified or had no meaningful content. - added comment to previous fix and removed unneeded parens.
ccfa6805	2013-03-25T23:58:40	Fix some diff ignores and submodule dirty workdir This started out trying to look at the problems from issue #1425 and gradually grew to a broader set of fixes. There are two core things fixed here: 1. When you had an ignore like "/bin" which is rooted at the top of your tree, instead of immediately adding the "bin/" entry as an ignored item in the diff, we were returning all of the direct descendants of the directory as ignored items. This changes things to immediately ignore the directory. Note that this effects the behavior in test_status_ignore__subdirectories so that we no longer exactly match core gits ignore behavior, but the new behavior probably makes more sense (i.e. we now will include an ignored directory inside an untracked directory that we previously would have left off). 2. When a submodule only contained working directory changes, the diff code was always considering it unmodified which was just an outright bug. The HEAD SHA of the submodule matches the SHA in the parent repo index, and since the SHAs matches, the diff code was overwriting the actual status with UNMODIFIED. These fixes broke existing tests test_diff_workdir__submodules and test_status_ignore__subdirectories but looking it over, I actually think the new results are correct and the old results were wrong. @nulltoken had actually commented on the subdirectory ignore issue previously. I also included in the tests some debugging versions of the shared iteration callback routines that print status or diff information. These aren't used actively in the tests, but can be quickly swapped in to test code to give a better picture of what is being scanned in some of the complex test scenarios.
37ee70fa	2013-03-25T22:19:39	Implement GIT_STATUS_OPT_EXCLUDE_SUBMODULES This option has been sitting unimplemented for a while, so I finally went through and implemented it along with some tests. As part of this, I improved the implementation of GIT_DIFF_IGNORE_SUBMODULES so it be more diligent about avoiding extra work and about leaving off delta records for submodules to the greatest extent possible (though it may include them still if you are request TYPECHANGE records).
0c289dd7	2013-03-25T16:40:16	Recursing into ignored dirs for diff and status This implements working versions of GIT_DIFF_RECURSE_IGNORED_DIRS and GIT_STATUS_OPT_RECURSE_IGNORED_DIRS along with some tests for the newly available behaviors. This is not turned on by default for status, but can be accessed via the options to the extended version of the command.
65025cb8	2013-03-18T17:24:13	Three submodule status bug fixes 1. Fix sort order problem with submodules where "mod" was sorting after "mod-plus" because they were being sorted as "mod/" and "mod-plus/". This involved pushing the "contains a .git entry" test significantly lower in the stack. 2. Reinstate behavior that a directory which contains a .git entry will be treated as a submodule during iteration even if it is not yet added to the .gitmodules. 3. Now that any directory containing .git is reported as submodule, we have to be more careful checking for GIT_EEXISTS when we do a submodule lookup, because that is the error code that is returned by git_submodule_lookup when you try to look up a directory containing .git that has no record in gitmodules or the index.
1ac10aae	2013-03-12T09:23:53	Merge pull request #1408 from arrbee/refactor-iterators Refactor iterators
1aa5318a	2013-03-09T16:04:34	diff: allow asking for diffs with no context Previously, 0 meant default. This is problematic, as asking for 0 context lines is a valid thing to do. Change GIT_DIFF_OPTIONS_INIT to default to three and stop treating 0 as a magic value. In case no options are provided, make sure the options in the diff object default to 3.
9bea03ce	2013-03-06T15:16:34	Add INCLUDE_TREES, DONT_AUTOEXPAND iterator flags This standardizes iterator behavior across all three iterators (index, tree, and working directory). Previously the working directory iterator behaved differently from the other two. Each iterator can now operate in one of three modes: 1. No tree results, auto expand trees means that only non- tree items will be returned and when a tree/directory is encountered, we will automatically descend into it. 2. Tree results, auto expand trees means that results will be given for every item found, including trees, but you only need to call normal git_iterator_advance to yield every item (i.e. trees returned with pre-order iteration). 3. Tree results, no auto expand means that calling the normal git_iterator_advance when looking at a tree will not descend into the tree, but will skip over it to the next entry in the parent. Previously, behavior 1 was the only option for index and tree iterators, and behavior 3 was the only option for workdir. The main public API implications of this are that the `git_iterator_advance_into()` call is now valid for all iterators, not just working directory iterators, and all the existing uses of working directory iterators explicitly use the GIT_ITERATOR_DONT_AUTOEXPAND (for now). Interestingly, the majority of the implementation was in the index iterator, since there are no tree entries there and now have to fake them. The tree and working directory iterators only required small modifications.
cc216a01	2013-03-05T16:29:04	Retire spoolandsort iterator Since the case sensitivity is moved into the respective iterators, this removes the spoolandsort iterator code.
169dc616	2013-03-05T16:10:05	Make iterator APIs consistent with standards The iterator APIs are not currently consistent with the parameter ordering of the rest of the codebase. This rearranges the order of parameters, simplifies the naming of a number of functions, and makes somewhat better use of macros internally to clean up the iterator code. This also expands the test coverage of iterator functionality, making sure that case sensitive range-limited iteration works correctly.
71a3d27e	2013-02-08T10:06:47	Replace diff delta binary with flags Previously the git_diff_delta recorded if the delta was binary. This replaces that (with no net change in structure size) with a full set of flags. The flag values that were already in use for individual git_diff_file objects are reused for the delta flags, too (along with renaming those flags to make it clear that they are used more generally). This (a) makes things somewhat more consistent (because I was using a -1 value in the "boolean" binary field to indicate unset, whereas now I can just use the flags that are easier to understand), and (b) will make it easier for me to add some additional flags to the delta object in the future, such as marking the results of a copy/rename detection or other deltas that might want a special indicator. While making this change, I officially moved some of the flags that were internal only into the private diff header. This also allowed me to remove a gross hack in rename/copy detect code where I was overwriting the status field with an internal value.
0d64ba48	2013-01-25T17:35:46	diff: add a notify callback to `git_diff__from_iterators` The callback will be called for each file, just before the `git_delta_t` gets inserted into the diff list. When the callback: - returns < 0, the diff process will be aborted - returns > 0, the delta will not be inserted into the diff list, but the diff process continues - returns 0, the delta is inserted into the diff list, and the diff process continues
943700ec	2013-01-18T16:37:13	Return the matched pathspec pattern in `git_pathspec_match_path` Instead of returning directly the pattern as the return value, I used an out parameter, because the function also tests if the passed pathspecs vector is empty. If yes, it considers that the path "matches", but in that case there is no matched pattern per se.
134d8c91	2013-01-08T15:53:13	Update iterator API with flags for ignore_case This changes the iterator API so that flags can be passed in to the constructor functions to control the ignore_case behavior. At this point, the flags are not supported on tree iterators (i.e. there is no functional change over the old API), but the API changes are all made to accomodate this. By the way, I went with a flags parameter because in the future I have a couple of other ideas for iterator flags that will make it easier to fix some diff/status/checkout bugs.
359fc2d2	2013-01-08T17:07:25	update copyrights
546d65a8	2013-01-02T17:01:34	Fix up spoolandsort iterator usage The spoolandsort iterator changes got sort-of cherry picked out of this branch and so I dropped the commit when rebasing; however, there were a few small changes that got dropped as well (since the version merged upstream wasn't quite the same as what I dropped).
7e5c8a5b	2012-12-10T15:31:43	More checkout improvements This flips checkout back to be driven off the changes between the baseline and the target trees. This reinstates the complex code for tracking the contents of the working directory, but overall, I think the resulting logic is easier to follow.
f616a36b	2012-12-27T22:25:52	Make spoolandsort a pushable iterator behavior An earlier change to `git_diff_from_iterators` introduced a memory leak where the allocated spoolandsort iterator was not returned to the caller and thus not freed. One proposal changes all iterator APIs to use git_iterator** so we can reallocate the iterator at will, but that seems unexpected. This commit makes it so that an iterator can be changed in place. The callbacks are isolated in a separate structure and a pointer to that structure can be reassigned by the spoolandsort extension. This means that spoolandsort doesn't create a new iterator; it just allocates a new block of callbacks (along with space for its own extra data) and swaps that into the iterator. Additionally, since spoolandsort is only needed to switch the case sensitivity of an iterator, this simplifies the API to only take the ignore_case boolean and to be a no-op if the iterator already matches the requested case sensitivity.
56c72b75	2012-12-17T11:00:53	Fix diff constructor name order confusion The diff constructor functions had some confusing names, where the "old" side of the diff was coming after the "new" side. This reverses the order in the function name to make it less confusing. Specifically... * git_diff_index_to_tree becomes git_diff_tree_to_index * git_diff_workdir_to_index becomes git_diff_index_to_workdir * git_diff_workdir_to_tree becomes git_diff_tree_to_workdir
9950d27a	2012-12-06T13:26:58	Clean up iterator APIs This removes the need to explicitly pass the repo into iterators where the repo is implied by the other parameters. This moves the repo to be owned by the parent struct. Also, this has some iterator related updates to the internal diff API to lay the groundwork for checkout improvements.
32770c52	2012-12-05T13:56:32	Fix diff header comments and missing const Based on the recent work to wrap diff in objective-git, this includes a fix for a missing const and a number of clarifications of the documentation.
c7231c45	2012-11-30T16:31:42	Deploy GITERR_CHECK_VERSION
2f8d30be	2012-11-29T15:05:04	Deploy GIT_DIFF_OPTIONS_INIT
9cd42358	2012-11-20T16:57:16	API updates for submodule.h
0cd063fd	2012-11-15T23:28:52	Merge pull request #1071 from arrbee/alternate-fix-strcmp Win32 fixes for diff/checkout/reset
4a0c7f56	2012-11-15T10:31:11	Merge pull request #1074 from edubart/ignore_diff_filemode Add option to ignore file mode in diffs
c0d5acf6	2012-11-15T14:43:21	Add option to ignore file mode in diffs
bbe6dbec	2012-11-14T23:29:48	Add explicit git_index ptr to diff and checkout A number of diff APIs and the `git_checkout_index` API take a `git_repository` object an operate on the index. This updates them to take a `git_index` pointer explicitly and only fall back on the `git_repository` index if the index input is NULL. This makes it easier to operate on a temporary index.
bad68c0a	2012-11-13T14:02:59	Add iterator for git_index object The index iterator could previously only be created from a repo object, but this allows creating an iterator from a `git_index` object instead (while keeping, though renaming, the old function).
5735bf5e	2012-11-13T13:58:29	Fix diff API to better parameter order The diff API is not in the parameter order one would expect from other libgit2 APIs. This fixes that.
a277345e	2012-11-14T22:37:13	Create internal strcmp variants for function ptrs Using the builtin strcmp and strcasecmp as function pointers is problematic on win32. This adds internal implementations and divorces us from the platform linkage.
0f3def71	2012-11-09T11:19:46	Fix various cross-platform build issues This fixes a number of warnings and problems with cross-platform builds. Among other things, it's not safe to name a member of a structure "strcmp" because that may be #defined.
a1bf70e4	2012-11-08T21:58:24	fix regression in diff with submodule oid
55cbd05b	2012-11-08T16:56:34	Some diff refactorings to help code reuse There are some diff functions that are useful in a rewritten checkout and this lays some groundwork for that. This contains three main things: 1. Share the function diff uses to calculate the OID for a file in the working directory (now named `git_diff__oid_for_file` 2. Add a `git_diff__paired_foreach` function to iterator over two diff lists concurrently. Convert status to use it. 3. Move all the string/prefix/index entry comparisons into function pointers inside the `git_diff_list` object so they can be switched between case sensitive and insensitive versions. This makes them easier to reuse in various functions without replicating logic. As part of this, move a couple of index functions out of diff.c and into index.c.
2e3d4b96	2012-11-08T16:47:28	Move pathspec code in separate files Diff uses a `git_strarray` of path specs to represent a subset of all files to be processed. It is useful to be able to reuse this filtering in other places outside diff, so I've moved it into a standalone set of utilities.
db106d01	2012-10-30T09:40:50	Move rename detection into new file This improves the naming for the rename related functionality moving it to be called `git_diff_find_similar()` and renaming all the associated constants, etc. to make more sense. I also moved the new code (plus the existing `git_diff_merge`) into a new file `diff_tform.c` where I can put new functions related to manipulating git diff lists. This also updates the implementation significantly from the last revision fixing some ordering issues (where break-rewrite needs to be handled prior to copy and rename detection) and improving config option handling.
b4f5bb07	2012-10-23T16:40:51	Initial implementation of diff rename detection This implements the basis for diff rename and copy detection, although it is based on simple SHA comparison right now instead of using a matching algortihm. Just as `git_diff_merge` can be used as a post-pass on diffs to emulate certain command line behaviors, there is a new API `git_diff_detect` which will update a diff list in-place, adjusting some deltas to RENAMED or COPIED state (and also, eventually, splitting MODIFIED deltas where the change is too large into DELETED/ADDED pairs). This also adds a new test repo that will hold rename/copy/split scenarios. Right now, it just has exact-match rename and copy, but the tests are written to use tree diffs, so we should be able to add new test scenarios easily without breaking tests.
c2e43fb1	2012-10-18T16:50:55	diff: workdir diffing in a bare repo returns EBAREREPO
0d64bef9	2012-10-05T15:56:57	Add complex checkout test and then fix checkout This started as a complex new test for checkout going through the "typechanges" test repository, but that revealed numerous issues with checkout, including: * complete failure with submodules * failure to create blobs with exec bits * problems when replacing a tree with a blob because the tree "example/" sorts after the blob "example" so the delete was being processed after the single file blob was created This fixes most of those problems and includes a number of other minor changes that made it easier to do that, including improving the TYPECHANGE support in diff/status, etc.
bc16fd3e	2012-09-28T13:40:02	Introduce status/diff TYPECHANGE flags When I wrote the diff code, I based it on core git's diff output which tends to split a type change into an add and a delete. But core git's status has the notion of a T (typechange) flag for a file. This introduces that into our status APIs and modifies the diff code so it can be forced to not split type changes.
5d1308f2	2012-10-08T15:19:00	Add test for diffs with submodules and bug fixes The adds a test for the submodule diff capabilities and then fixes a few bugs with how the output is generated. It improves the accuracy of OIDs in the diff delta object and makes the submodule output more closely mirror the OIDs that will be used by core git.
dfbff793	2012-10-08T15:14:12	Fix a few diff bugs with directory content There are a few cases where diff should leave directories in the diff list if we want to match core git, such as when the directory contains a .git dir. That feature was lost when I introduced some of the new submodule handling. This restores that and then fixes a couple of related to diff output that are triggered by having diffs with directories in them. Also, this adds a new flag that can be passed to diff if you want diff output to actually include the file content of any untracked files.
1dca8510	2012-10-05T13:44:18	Diff: Do not try to calculate an oid for a GITLINK. We don't have anything useful that we could do with that oid anyway (We need to query the submodule for the HEAD commit instead). Without this, the following code creates the error "Failed to read descriptor: Is a directory" when run against the submod2 test-case: const char* oidstr = "873585b94bdeabccea991ea5e3ec1a277895b698"; git_tree* tree = resolve_commit_oid_to_tree(g_repo, oidstr); git_diff_list* diff = NULL; cl_assert(tree); cl_git_pass(git_diff_workdir_to_tree(g_repo, NULL, tree, &diff));
7e57d250	2012-09-18T23:43:23	Diff: teach get_workdir_content to show a submodule as text 1. teach diff.c:maybe_modified to query git_submodule_status for the modification state of a submodule. According to the git_submodule_status docs, it will filter for to-ignore states already. 2. teach diff_output.c:get_workdir_content to check the submodule status again and create a line like: Subproject commit <SHA-1>\n or Subproject comimt <SHA-1>-dirty\n like git.git does.
eada0762	2012-10-02T10:45:40	Merge pull request #939 from pwkelley/ignorecase Support for the core.ignorecase flag
bae957b9	2012-09-25T16:31:46	Add const to all shared pointers in diff API There are a lot of places where the diff API gives the user access to internal data structures and many of these were being exposed through non-const pointers. This replaces them all with const pointers for any object that the user can access but is still owned internally to the git_diff_list or git_diff_patch objects. This will probably break some bindings... Sorry!
64286308	2012-09-25T10:48:50	Fix bugs in new diff patch code This fixes all the bugs in the new diff patch code. The only really interesting one is that when we merge two diffs, we now have to actually exclude diff delta records that are not supposed to be tracked, as opposed to before where they could be included because they would be skipped silently by `git_diff_foreach()`. Other than that, there are just minor errors.
5f69a31f	2012-09-24T20:52:34	Initial implementation of new diff patch API Replacing the `git_iterator` object, this creates a simple API for accessing the "patch" for any file pair in a diff list and then gives indexed access to the hunks in the patch and the lines in the hunk. This is the initial implementation of this revised API - it is still broken, but at least builds cleanly.
f08c60a5	2012-09-17T16:10:42	Minor fixes for ignorecase support
ec40b7f9	2012-09-17T15:42:41	Support for core.ignorecase
60b9d3fc	2012-09-05T15:00:40	Implement filters for status/diff blobs This adds support to diff and status for running filters (a la crlf) on blobs in the workdir before computing SHAs and before generating text diffs. This ended up being a bit more code change than I had thought since I had to reorganize some of the diff logic to minimize peak memory use when filtering blobs in a diff. This also adds a cap on the maximum size of data that will be loaded to diff. I set it at 512Mb which should match core git. Right now it is a #define in src/diff.h but it could be moved into the public API if desired.
f335ecd6	2012-08-30T14:24:16	Diff iterators This refactors the diff output code so that an iterator object can be used to traverse and generate the diffs, instead of just the `foreach()` style with callbacks. The code has been rearranged so that the two styles can still share most functions. This also replaces `GIT_REVWALKOVER` with `GIT_ITEROVER` and uses that as a common error code for marking the end of iteration when using a iterator style of object.
aa13bf05	2012-08-02T13:00:58	Major submodule rewrite This replaces the old submodule API with a new extended API that supports most of the things that can be done with `git submodule`.
5fdc41e7	2012-08-22T13:57:57	Minor bug fixes in diff code In looking at PR #878, I found a few small bugs in the diff code, mostly related to work that can be avoided when processing tree- to-tree diffs that was always being carried out. This commit has some small fixes in it.
c07d9c95	2012-08-09T15:33:04	oid: Explicitly include `oid.h` for the inlined CMP
a1773f9d	2012-07-23T18:16:09	Add flag to turn off pathspec testing for diff and status
ffbc689c	2012-07-18T16:26:55	Fix getting status of files containing brackets
71d27358	2012-07-19T10:23:45	Fix bug with merging diffs with null options A diff that is created with a NULL options parameter could result in a NULL prefix string, but diff merge was unconditionally strdup'ing it. I added a test to replicate the issue and then a new method that does the right thing with NULL values.
1d94a7d0	2012-06-20T02:15:42	diff: make sure we free all allocated resources When the creation of one iterator fails, we need to free the prefix and possibly one of the iterators. Make sure we do so.
da825c92	2012-06-19T14:27:02	Make index add/append support core.filemode flag This fixes git_index_add and git_index_append to behave more like core git, preserving old filemode data in the index when adding and/or appending with core.filemode = false. This also has placeholder support for core.symlinks and core.ignorecase, but those flags are not implemented (well, symlinks has partial support for preserving mode information in the same way that git does, but it isn't tested).
145e696b	2012-06-08T11:56:24	Minor fixes, cleanups, and clarifications There are three actual changes in this commit: 1. When the trailing newline of a file is removed in a diff, the change will now be reported with `GIT_DIFF_LINE_DEL_EOFNL` passed to the callback. Previously, the `ADD_EOFNL` constant was given which was just an error in my understanding of when the various circumstances arose. `GIT_DIFF_LINE_ADD_EOFNL` is deprecated and should never be generated. A new newline is simply an `ADD`. 2. Rewrote the `diff_delta__merge_like_cgit` function that contains the core logic of the `git_diff_merge` implementation. The new version doesn't actually have significantly different behavior, but the logic should be much more obvious, I think. 3. Fixed a bug in `git_diff_merge` where it freed a string pool while some of the string data was still in use. This led to `git_diff_print_patch` accessing memory that had been freed. The rest of this commit contains improved documentation in `diff.h` to make the behavior and the equivalencies with core git clearer, and a bunch of new tests to cover the various cases, oh and a minor simplification of `examples/diff.c`.
0abd7244	2012-06-04T16:17:41	Fix filemode comparison in diffs File modes were both not being ignored properly on platforms where they should be ignored, nor be diffed consistently on platforms where they are supported. This change adds a number of diff and status filemode change tests. This also makes sure that filemode-only changes are included in the diff output when they occur and that filemode changes are ignored successfully when core.filemode is false. There is no code that automatically toggles core.filemode based on the capabilities of the current platform, so the user still needs to be careful in their .git/config file.
2a99df69	2012-05-24T17:14:56	Fix bugs for status with spaces and reloaded attrs This fixes two bugs: * Issue #728 where git_status_file was not working for files that contain spaces. This was caused by reusing the "fnmatch" parsing code from ignore and attribute files to interpret the "pathspec" that constrained the files to apply the status to. In that code, unescaped whitespace was considered terminal to the pattern, so a file with internal whitespace was excluded from the matched files. The fix was to add a mode to that code that allows spaces and tabs inside patterns. This mode only comes into play when parsing in-memory strings. * The other issue was undetected, but it was in the recently added code to reload gitattributes / gitignores when they were changed on disk. That code was not clearing out the old values from the cached file content before reparsing which meant that newly added patterns would be read in, but deleted patterns would not be removed. The fix was to clear the vector of patterns in a cached file before reparsing the file.
904b67e6	2012-05-18T01:48:50	errors: Rename error codes
e172cf08	2012-05-18T01:21:06	errors: Rename the generic return codes
29e948de	2012-05-10T10:38:10	global: Change parameter ordering in API Consistency is good.
bd4ca902	2012-05-16T17:02:06	Fix status for files under ignored dirs There was a bug where tracked files inside directories that were inside ignored directories where not being found by status. To make that a little clearer, if you have a .gitignore with: ignore/ And then have the following files: ignore/dir/tracked <-- actually a tracked file ignore/dir/untracked <-- should be ignored Then we would show the tracked file as being removed (because when we got the to contained item "dir/" inside the ignored directory, we decided it was safe to skip -- bzzt, wrong!). This update is much more careful about checking that we are not skipping over any prefix of a tracked item, regardless of whether it is ignored or not. As documented in diff.c, this commit does create behavior that still differs from core git with regards to the handling of untracked files contained inside ignored directories. With libgit2, those files will just not show up in status or diff. With core git, those files don't show up in status or diff either unless they are explicitly ignored by a .gitignore pattern in which case they show up as ignored files. Needless to say, this is a local behavior difference only, so it should not be important and (to me) the libgit2 behavior seems more consistent.
41a82592	2012-05-15T14:17:39	Ranged iterators and rewritten git_status_file The goal of this work is to rewrite git_status_file to use the same underlying code as git_status_foreach. This is done in 3 phases: 1. Extend iterators to allow ranged iteration with start and end prefixes for the range of file names to be covered. 2. Improve diff so that when there is a pathspec and there is a common non-wildcard prefix of the pathspec, it will use ranged iterators to minimize excess iteration. 3. Rewrite git_status_file to call git_status_foreach_ext with a pathspec that covers just the one file being checked. Since ranged iterators underlie the status & diff implementation, this is actually fairly efficient. The workdir iterator does end up loading the contents of all the directories down to the single file, which should ideally be avoided, but it is pretty good.
7e000ab2	2012-05-08T15:03:59	Add support for diffing index with no HEAD When a repo is first created, there is no HEAD yet and attempting to diff files in the index was showing nothing because a tree iterator could not be constructed. This adds an "empty" iterator and falls back on that when the head cannot be looked up.
b709e951	2012-05-04T11:06:12	Fix memory leaks and use after free
3fbcac89	2012-05-02T19:56:38	Remove old and unused error codes
40879fac	2012-05-02T15:59:02	Merge branch 'new-error-handling' into development Conflicts: .travis.yml include/git2/diff.h src/config_file.c src/diff.c src/diff_output.c src/mwindow.c src/path.c tests-clar/clar_helpers.c tests-clar/object/tree/frompath.c tests/t00-core.c tests/t03-objwrite.c tests/t08-tag.c tests/t10-refs.c tests/t12-repo.c tests/t18-status.c tests/test_helpers.c tests/test_main.c
16b83019	2012-03-04T23:28:36	Fix usage of "new" for fieldname in public header This should restore the ability to include libgit2 headers in C++ projects. Cherry picked 2de60205dfea2c4a422b2108a5e8605f97c2e895 from development into new-error-handling.
821f6bc7	2012-04-26T13:04:54	Fix Win32 warnings
eb3d71a5	2012-04-25T22:23:35	diff: fix generation of the header of a removal patch
19fa2bc1	2012-04-17T15:12:50	Convert attrs and diffs to use string pools This converts the git attr related code (including ignores) and the git diff related code (and implicitly the status code) to use `git_pools` for storing strings. This reduces the number of small blocks allocated dramatically.
14a513e0	2012-04-13T15:00:29	Add support for pathspec to diff and status This adds preliminary support for pathspecs to diff and status. The implementation is not very optimized (it still looks at every single file and evaluated the the pathspec match against them), but it works.

351888cf

2013-06-13T15:37:06

Improve case handling in git_diff__paired_foreach This commit reinstates some changes to git_diff__paired_foreach that were discarded during the rebase (because the diff_output.c file had gone away), and also adjusts the case insensitively logic slightly to hopefully deal with either mismatched icase diffs and other case insensitivity scenarios.

a3e8dbb4

2013-06-13T15:32:09

Be more careful about the path with diffs This makes diff more careful about picking the canonical path when generating a delta so that it won't accidentally pick up a case-mismatched path on a case-insensitive file system. This should make sure we use the "most accurate" case correct version of the path (i.e. from the tree if possible, or the index if need be).

eefef642

2013-06-13T16:09:53

Always do tree to index diffs case sensitively Trees are always case sensitive. The index is always case preserving and will be case sensitive when it is turned into a tree. Therefore the tree and the index can and should always be compared to one another case sensitively. This will restore the index to case insensitive order after the diff has been generated. Consider this a short-term fix. The long term fix is to have the index always stored both case sensitively and case insensitively (at least on platforms that sometimes require case insensitivity).

6de9b2ee

2013-06-12T21:10:33

util: It's called `memzero`

eb58e2d0

2013-06-12T21:05:48

Merge remote-tracking branch 'arrbee/minor-paranoia' into development

114f5a6c

2013-06-10T10:10:39

Reorganize diff and add basic diff driver This is a significant reorganization of the diff code to break it into a set of more clearly distinct files and to document the new organization. Hopefully this will make the diff code easier to understand and to extend. This adds a new `git_diff_driver` object that looks of diff driver information from the attributes and the config so that things like function content in diff headers can be provided. The full driver spec is not implemented in the commit - this is focused on the reorganization of the code and putting the driver hooks in place. This also removes a few #includes from src/repository.h that were overbroad, but as a result required extra #includes in a variety of places since including src/repository.h no longer results in pulling in the whole world.

3e9e6cda

2013-06-07T09:54:33

Add safe memset and use it This adds a `git__memset` routine that will not be optimized away and updates the places where I memset() right before a free() call to use it.

f658dc43

2013-05-31T14:09:58

Zero memory for major objects before freeing By zeroing out the memory when we free larger objects (i.e. those that serve as collections of other data, such as repos, odb, refdb), I'm hoping that it will be easier for libgit2 bindings to find errors in their object management code.

cee695ae

2013-05-31T12:18:43

Make iterators use GIT_ITEROVER & smart advance 1. internal iterators now return GIT_ITEROVER when you go past the last item in the iteration. 2. git_iterator_advance will "advance" to the first item in the iteration if it is called immediately after creating the iterator, which allows a simpler idiom for basic iteration. 3. if git_iterator_advance encounters an error reading data (e.g. a missing tree or an unreadable file), it returns the error but also attempts to advance past the invalid data to prevent an infinite loop. Updated all tests and internal usage of iterators to account for these new behaviors.

d20b0449

2013-05-24T10:37:40

Clarify GIT_DIFF_INCLUDE_UNTRACKED_CONTENT option This improves the docs for GIT_DIFF_INCLUDE_UNTRACKED_CONTENT as well as the other flags related to UNTRACKED items in diff, plus it makes that flag now automatically turn on GIT_DIFF_INCLUDE_UNTRACKED which seems like a reasonable dwim type of change.

0293450e

2013-05-17T16:57:49

Fix delta compare to use correct pathname The delta cmp function needs to choose the correct path for ordering when a delta is ADDED, RENAMED, or COPIED.

79ef3be4

2013-05-15T14:50:05

Fix diff crash when last item is untracked dir When the last item in a diff was an untracked directory that only contained ignored items, the loop to scan the contents would run off the end of the iterator and dereference a NULL pointer. This includes a test that reproduces the problem and a fix.

eb05b114

2013-05-07T22:45:01

Fix dumb type in time comparison

e35e2684

2013-05-07T04:32:17

Add GIT_DIFF_LINE_CONTEXT_EOFNL This adds a new line origin constant for the special line that is used when both files end without a newline. In the course of writing the tests for this, I was having problems with modifying a file but not having diff notice because it was the same size and modified less than one second from the start of the test, so I decided to start working on nanosecond timestamp support. This commit doesn't contain the nanosecond support, but it contains the reorganization of maybe_modified and the hooks so that if the nanosecond data were being read by stat() (or rather being copied by git_index_entry__init_from_stat), then the nsec would be taken into account. This new stuff could probably use some more tests, although there is some amount of it here.

d8041638

2013-05-02T17:22:13

fix some leaks

5fa7e469

2013-04-30T04:13:39

Fix some formatting inconsistency

e26b14c0

2013-04-26T15:35:47

Update diff handling of untracked directories When diff encounters an untracked directory, there was a shortcut that it took which is not compatible with core git. This makes the default behavior no longer take that shortcut and instead look inside the untracked directory to see if there are any untracked files within it. If there are not, then the directory is treated as an ignore directory instead of an untracked directory. This has implications for the git_status APIs.

fdb3034e

2013-04-25T14:57:13

Reorganize diff code into functions In preparation for more changes to the internal diff logic, it seemed wise to split the very large git_diff__from_iterators into separate functions that handle the four main cases (unmatched old item, unmatched new item, unmatched new directory, and matched old and new items). Hopefully this will keep the logic easier to follow even as more cases have to be added to this code.

b7f167da

2013-04-29T13:52:12

Make git_oid_cmp public and add git_oid__cmp

687db88f

2013-04-22T16:45:36

Make sure diff output is cleared on error

b1ff7004

2013-04-22T16:25:57

Improve diff config options handling This makes diff use the cvar cache for config options where possible, and also adds support for a number of other config options to diff including "diff.context", "diff.ignoreSubmodules", "diff.noprefix", "diff.mnemonicprefix", and "core.abbrev". To make this natural, this involved a rearrangement of the code that allocates the diff object vs. the code that initializes it based on the combination of options passed in by the user and read from the config. This commit includes tests for most of these new options as well.

608d0466

2013-04-22T13:51:35

Make tree to tree diffs case sensitive When case insensitive tree iterators were added, we started reading the case sensitivity of the index to decide if the tree should be case sensitive. This is good for index-to-tree comparisons, but for tree-to-tree comparisons, we should really default to doing a case sensitive comparison unless the user really wants otherwise.

a5df71c1

2013-04-19T22:36:01

Support diff.context config

ad26434b

2013-04-09T14:52:32

Tests and more fixes for submodule diffs This adds tests for diffs with submodules in them and (perhaps unsurprisingly) requires further fixes to be made. Specifically, this fixes: - when considering if a submodule is dirty in the workdir, it was being treated as dirty even if only the index was dirty. - git_diff_patch_to_str (and git_diff_patch_print) were "printing" the headers for files (and submodules) that were unmodified or had no meaningful content. - added comment to previous fix and removed unneeded parens.

ccfa6805

2013-03-25T23:58:40

Fix some diff ignores and submodule dirty workdir This started out trying to look at the problems from issue #1425 and gradually grew to a broader set of fixes. There are two core things fixed here: 1. When you had an ignore like "/bin" which is rooted at the top of your tree, instead of immediately adding the "bin/" entry as an ignored item in the diff, we were returning all of the direct descendants of the directory as ignored items. This changes things to immediately ignore the directory. Note that this effects the behavior in test_status_ignore__subdirectories so that we no longer exactly match core gits ignore behavior, but the new behavior probably makes more sense (i.e. we now will include an ignored directory inside an untracked directory that we previously would have left off). 2. When a submodule only contained working directory changes, the diff code was always considering it unmodified which was just an outright bug. The HEAD SHA of the submodule matches the SHA in the parent repo index, and since the SHAs matches, the diff code was overwriting the actual status with UNMODIFIED. These fixes broke existing tests test_diff_workdir__submodules and test_status_ignore__subdirectories but looking it over, I actually think the new results are correct and the old results were wrong. @nulltoken had actually commented on the subdirectory ignore issue previously. I also included in the tests some debugging versions of the shared iteration callback routines that print status or diff information. These aren't used actively in the tests, but can be quickly swapped in to test code to give a better picture of what is being scanned in some of the complex test scenarios.

37ee70fa

2013-03-25T22:19:39

Implement GIT_STATUS_OPT_EXCLUDE_SUBMODULES This option has been sitting unimplemented for a while, so I finally went through and implemented it along with some tests. As part of this, I improved the implementation of GIT_DIFF_IGNORE_SUBMODULES so it be more diligent about avoiding extra work and about leaving off delta records for submodules to the greatest extent possible (though it may include them still if you are request TYPECHANGE records).

0c289dd7

2013-03-25T16:40:16

Recursing into ignored dirs for diff and status This implements working versions of GIT_DIFF_RECURSE_IGNORED_DIRS and GIT_STATUS_OPT_RECURSE_IGNORED_DIRS along with some tests for the newly available behaviors. This is not turned on by default for status, but can be accessed via the options to the extended version of the command.

65025cb8

2013-03-18T17:24:13

Three submodule status bug fixes 1. Fix sort order problem with submodules where "mod" was sorting after "mod-plus" because they were being sorted as "mod/" and "mod-plus/". This involved pushing the "contains a .git entry" test significantly lower in the stack. 2. Reinstate behavior that a directory which contains a .git entry will be treated as a submodule during iteration even if it is not yet added to the .gitmodules. 3. Now that any directory containing .git is reported as submodule, we have to be more careful checking for GIT_EEXISTS when we do a submodule lookup, because that is the error code that is returned by git_submodule_lookup when you try to look up a directory containing .git that has no record in gitmodules or the index.

1ac10aae

2013-03-12T09:23:53

Merge pull request #1408 from arrbee/refactor-iterators Refactor iterators

1aa5318a

2013-03-09T16:04:34

diff: allow asking for diffs with no context Previously, 0 meant default. This is problematic, as asking for 0 context lines is a valid thing to do. Change GIT_DIFF_OPTIONS_INIT to default to three and stop treating 0 as a magic value. In case no options are provided, make sure the options in the diff object default to 3.

9bea03ce

2013-03-06T15:16:34

Add INCLUDE_TREES, DONT_AUTOEXPAND iterator flags This standardizes iterator behavior across all three iterators (index, tree, and working directory). Previously the working directory iterator behaved differently from the other two. Each iterator can now operate in one of three modes: 1. *No tree results, auto expand trees* means that only non- tree items will be returned and when a tree/directory is encountered, we will automatically descend into it. 2. *Tree results, auto expand trees* means that results will be given for every item found, including trees, but you only need to call normal git_iterator_advance to yield every item (i.e. trees returned with pre-order iteration). 3. *Tree results, no auto expand* means that calling the normal git_iterator_advance when looking at a tree will not descend into the tree, but will skip over it to the next entry in the parent. Previously, behavior 1 was the only option for index and tree iterators, and behavior 3 was the only option for workdir. The main public API implications of this are that the `git_iterator_advance_into()` call is now valid for all iterators, not just working directory iterators, and all the existing uses of working directory iterators explicitly use the GIT_ITERATOR_DONT_AUTOEXPAND (for now). Interestingly, the majority of the implementation was in the index iterator, since there are no tree entries there and now have to fake them. The tree and working directory iterators only required small modifications.

cc216a01

2013-03-05T16:29:04

Retire spoolandsort iterator Since the case sensitivity is moved into the respective iterators, this removes the spoolandsort iterator code.

169dc616

2013-03-05T16:10:05

Make iterator APIs consistent with standards The iterator APIs are not currently consistent with the parameter ordering of the rest of the codebase. This rearranges the order of parameters, simplifies the naming of a number of functions, and makes somewhat better use of macros internally to clean up the iterator code. This also expands the test coverage of iterator functionality, making sure that case sensitive range-limited iteration works correctly.

71a3d27e

2013-02-08T10:06:47

Replace diff delta binary with flags Previously the git_diff_delta recorded if the delta was binary. This replaces that (with no net change in structure size) with a full set of flags. The flag values that were already in use for individual git_diff_file objects are reused for the delta flags, too (along with renaming those flags to make it clear that they are used more generally). This (a) makes things somewhat more consistent (because I was using a -1 value in the "boolean" binary field to indicate unset, whereas now I can just use the flags that are easier to understand), and (b) will make it easier for me to add some additional flags to the delta object in the future, such as marking the results of a copy/rename detection or other deltas that might want a special indicator. While making this change, I officially moved some of the flags that were internal only into the private diff header. This also allowed me to remove a gross hack in rename/copy detect code where I was overwriting the status field with an internal value.

0d64ba48

2013-01-25T17:35:46

diff: add a notify callback to `git_diff__from_iterators` The callback will be called for each file, just before the `git_delta_t` gets inserted into the diff list. When the callback: - returns < 0, the diff process will be aborted - returns > 0, the delta will not be inserted into the diff list, but the diff process continues - returns 0, the delta is inserted into the diff list, and the diff process continues

943700ec

2013-01-18T16:37:13

Return the matched pathspec pattern in `git_pathspec_match_path` Instead of returning directly the pattern as the return value, I used an out parameter, because the function also tests if the passed pathspecs vector is empty. If yes, it considers that the path "matches", but in that case there is no matched pattern per se.

134d8c91

2013-01-08T15:53:13

Update iterator API with flags for ignore_case This changes the iterator API so that flags can be passed in to the constructor functions to control the ignore_case behavior. At this point, the flags are not supported on tree iterators (i.e. there is no functional change over the old API), but the API changes are all made to accomodate this. By the way, I went with a flags parameter because in the future I have a couple of other ideas for iterator flags that will make it easier to fix some diff/status/checkout bugs.

359fc2d2

2013-01-08T17:07:25

update copyrights

546d65a8

2013-01-02T17:01:34

Fix up spoolandsort iterator usage The spoolandsort iterator changes got sort-of cherry picked out of this branch and so I dropped the commit when rebasing; however, there were a few small changes that got dropped as well (since the version merged upstream wasn't quite the same as what I dropped).

7e5c8a5b

2012-12-10T15:31:43

More checkout improvements This flips checkout back to be driven off the changes between the baseline and the target trees. This reinstates the complex code for tracking the contents of the working directory, but overall, I think the resulting logic is easier to follow.

f616a36b

2012-12-27T22:25:52

Make spoolandsort a pushable iterator behavior An earlier change to `git_diff_from_iterators` introduced a memory leak where the allocated spoolandsort iterator was not returned to the caller and thus not freed. One proposal changes all iterator APIs to use git_iterator** so we can reallocate the iterator at will, but that seems unexpected. This commit makes it so that an iterator can be changed in place. The callbacks are isolated in a separate structure and a pointer to that structure can be reassigned by the spoolandsort extension. This means that spoolandsort doesn't create a new iterator; it just allocates a new block of callbacks (along with space for its own extra data) and swaps that into the iterator. Additionally, since spoolandsort is only needed to switch the case sensitivity of an iterator, this simplifies the API to only take the ignore_case boolean and to be a no-op if the iterator already matches the requested case sensitivity.

56c72b75

2012-12-17T11:00:53

Fix diff constructor name order confusion The diff constructor functions had some confusing names, where the "old" side of the diff was coming after the "new" side. This reverses the order in the function name to make it less confusing. Specifically... * git_diff_index_to_tree becomes git_diff_tree_to_index * git_diff_workdir_to_index becomes git_diff_index_to_workdir * git_diff_workdir_to_tree becomes git_diff_tree_to_workdir

9950d27a

2012-12-06T13:26:58

Clean up iterator APIs This removes the need to explicitly pass the repo into iterators where the repo is implied by the other parameters. This moves the repo to be owned by the parent struct. Also, this has some iterator related updates to the internal diff API to lay the groundwork for checkout improvements.

32770c52

2012-12-05T13:56:32

Fix diff header comments and missing const Based on the recent work to wrap diff in objective-git, this includes a fix for a missing const and a number of clarifications of the documentation.

c7231c45

2012-11-30T16:31:42

Deploy GITERR_CHECK_VERSION

2f8d30be

2012-11-29T15:05:04

Deploy GIT_DIFF_OPTIONS_INIT

9cd42358

2012-11-20T16:57:16

API updates for submodule.h

0cd063fd

2012-11-15T23:28:52

Merge pull request #1071 from arrbee/alternate-fix-strcmp Win32 fixes for diff/checkout/reset

4a0c7f56

2012-11-15T10:31:11

Merge pull request #1074 from edubart/ignore_diff_filemode Add option to ignore file mode in diffs

c0d5acf6

2012-11-15T14:43:21

Add option to ignore file mode in diffs

bbe6dbec

2012-11-14T23:29:48

Add explicit git_index ptr to diff and checkout A number of diff APIs and the `git_checkout_index` API take a `git_repository` object an operate on the index. This updates them to take a `git_index` pointer explicitly and only fall back on the `git_repository` index if the index input is NULL. This makes it easier to operate on a temporary index.

bad68c0a

2012-11-13T14:02:59

Add iterator for git_index object The index iterator could previously only be created from a repo object, but this allows creating an iterator from a `git_index` object instead (while keeping, though renaming, the old function).

5735bf5e

2012-11-13T13:58:29

Fix diff API to better parameter order The diff API is not in the parameter order one would expect from other libgit2 APIs. This fixes that.

a277345e

2012-11-14T22:37:13

Create internal strcmp variants for function ptrs Using the builtin strcmp and strcasecmp as function pointers is problematic on win32. This adds internal implementations and divorces us from the platform linkage.

0f3def71

2012-11-09T11:19:46

Fix various cross-platform build issues This fixes a number of warnings and problems with cross-platform builds. Among other things, it's not safe to name a member of a structure "strcmp" because that may be #defined.

a1bf70e4

2012-11-08T21:58:24

fix regression in diff with submodule oid

55cbd05b

2012-11-08T16:56:34

Some diff refactorings to help code reuse There are some diff functions that are useful in a rewritten checkout and this lays some groundwork for that. This contains three main things: 1. Share the function diff uses to calculate the OID for a file in the working directory (now named `git_diff__oid_for_file` 2. Add a `git_diff__paired_foreach` function to iterator over two diff lists concurrently. Convert status to use it. 3. Move all the string/prefix/index entry comparisons into function pointers inside the `git_diff_list` object so they can be switched between case sensitive and insensitive versions. This makes them easier to reuse in various functions without replicating logic. As part of this, move a couple of index functions out of diff.c and into index.c.

2e3d4b96

2012-11-08T16:47:28

Move pathspec code in separate files Diff uses a `git_strarray` of path specs to represent a subset of all files to be processed. It is useful to be able to reuse this filtering in other places outside diff, so I've moved it into a standalone set of utilities.

db106d01

2012-10-30T09:40:50

Move rename detection into new file This improves the naming for the rename related functionality moving it to be called `git_diff_find_similar()` and renaming all the associated constants, etc. to make more sense. I also moved the new code (plus the existing `git_diff_merge`) into a new file `diff_tform.c` where I can put new functions related to manipulating git diff lists. This also updates the implementation significantly from the last revision fixing some ordering issues (where break-rewrite needs to be handled prior to copy and rename detection) and improving config option handling.

b4f5bb07

2012-10-23T16:40:51

Initial implementation of diff rename detection This implements the basis for diff rename and copy detection, although it is based on simple SHA comparison right now instead of using a matching algortihm. Just as `git_diff_merge` can be used as a post-pass on diffs to emulate certain command line behaviors, there is a new API `git_diff_detect` which will update a diff list in-place, adjusting some deltas to RENAMED or COPIED state (and also, eventually, splitting MODIFIED deltas where the change is too large into DELETED/ADDED pairs). This also adds a new test repo that will hold rename/copy/split scenarios. Right now, it just has exact-match rename and copy, but the tests are written to use tree diffs, so we should be able to add new test scenarios easily without breaking tests.

c2e43fb1

2012-10-18T16:50:55

diff: workdir diffing in a bare repo returns EBAREREPO

0d64bef9

2012-10-05T15:56:57

Add complex checkout test and then fix checkout This started as a complex new test for checkout going through the "typechanges" test repository, but that revealed numerous issues with checkout, including: * complete failure with submodules * failure to create blobs with exec bits * problems when replacing a tree with a blob because the tree "example/" sorts after the blob "example" so the delete was being processed after the single file blob was created This fixes most of those problems and includes a number of other minor changes that made it easier to do that, including improving the TYPECHANGE support in diff/status, etc.

bc16fd3e

2012-09-28T13:40:02

Introduce status/diff TYPECHANGE flags When I wrote the diff code, I based it on core git's diff output which tends to split a type change into an add and a delete. But core git's status has the notion of a T (typechange) flag for a file. This introduces that into our status APIs and modifies the diff code so it can be forced to not split type changes.

5d1308f2

2012-10-08T15:19:00

Add test for diffs with submodules and bug fixes The adds a test for the submodule diff capabilities and then fixes a few bugs with how the output is generated. It improves the accuracy of OIDs in the diff delta object and makes the submodule output more closely mirror the OIDs that will be used by core git.

dfbff793

2012-10-08T15:14:12

Fix a few diff bugs with directory content There are a few cases where diff should leave directories in the diff list if we want to match core git, such as when the directory contains a .git dir. That feature was lost when I introduced some of the new submodule handling. This restores that and then fixes a couple of related to diff output that are triggered by having diffs with directories in them. Also, this adds a new flag that can be passed to diff if you want diff output to actually include the file content of any untracked files.

1dca8510

2012-10-05T13:44:18

Diff: Do not try to calculate an oid for a GITLINK. We don't have anything useful that we could do with that oid anyway (We need to query the submodule for the HEAD commit instead). Without this, the following code creates the error "Failed to read descriptor: Is a directory" when run against the submod2 test-case: const char* oidstr = "873585b94bdeabccea991ea5e3ec1a277895b698"; git_tree* tree = resolve_commit_oid_to_tree(g_repo, oidstr); git_diff_list* diff = NULL; cl_assert(tree); cl_git_pass(git_diff_workdir_to_tree(g_repo, NULL, tree, &diff));

7e57d250

2012-09-18T23:43:23

Diff: teach get_workdir_content to show a submodule as text 1. teach diff.c:maybe_modified to query git_submodule_status for the modification state of a submodule. According to the git_submodule_status docs, it will filter for to-ignore states already. 2. teach diff_output.c:get_workdir_content to check the submodule status again and create a line like: Subproject commit <SHA-1>\n or Subproject comimt <SHA-1>-dirty\n like git.git does.

eada0762

2012-10-02T10:45:40

Merge pull request #939 from pwkelley/ignorecase Support for the core.ignorecase flag

bae957b9

2012-09-25T16:31:46

Add const to all shared pointers in diff API There are a lot of places where the diff API gives the user access to internal data structures and many of these were being exposed through non-const pointers. This replaces them all with const pointers for any object that the user can access but is still owned internally to the git_diff_list or git_diff_patch objects. This will probably break some bindings... Sorry!

64286308

2012-09-25T10:48:50

Fix bugs in new diff patch code This fixes all the bugs in the new diff patch code. The only really interesting one is that when we merge two diffs, we now have to actually exclude diff delta records that are not supposed to be tracked, as opposed to before where they could be included because they would be skipped silently by `git_diff_foreach()`. Other than that, there are just minor errors.

5f69a31f

2012-09-24T20:52:34

Initial implementation of new diff patch API Replacing the `git_iterator` object, this creates a simple API for accessing the "patch" for any file pair in a diff list and then gives indexed access to the hunks in the patch and the lines in the hunk. This is the initial implementation of this revised API - it is still broken, but at least builds cleanly.

f08c60a5

2012-09-17T16:10:42

Minor fixes for ignorecase support

ec40b7f9

2012-09-17T15:42:41

Support for core.ignorecase

60b9d3fc

2012-09-05T15:00:40

Implement filters for status/diff blobs This adds support to diff and status for running filters (a la crlf) on blobs in the workdir before computing SHAs and before generating text diffs. This ended up being a bit more code change than I had thought since I had to reorganize some of the diff logic to minimize peak memory use when filtering blobs in a diff. This also adds a cap on the maximum size of data that will be loaded to diff. I set it at 512Mb which should match core git. Right now it is a #define in src/diff.h but it could be moved into the public API if desired.

f335ecd6

2012-08-30T14:24:16

Diff iterators This refactors the diff output code so that an iterator object can be used to traverse and generate the diffs, instead of just the `foreach()` style with callbacks. The code has been rearranged so that the two styles can still share most functions. This also replaces `GIT_REVWALKOVER` with `GIT_ITEROVER` and uses that as a common error code for marking the end of iteration when using a iterator style of object.

aa13bf05

2012-08-02T13:00:58

Major submodule rewrite This replaces the old submodule API with a new extended API that supports most of the things that can be done with `git submodule`.

5fdc41e7

2012-08-22T13:57:57

Minor bug fixes in diff code In looking at PR #878, I found a few small bugs in the diff code, mostly related to work that can be avoided when processing tree- to-tree diffs that was always being carried out. This commit has some small fixes in it.

c07d9c95

2012-08-09T15:33:04

oid: Explicitly include `oid.h` for the inlined CMP

a1773f9d

2012-07-23T18:16:09

Add flag to turn off pathspec testing for diff and status

ffbc689c

2012-07-18T16:26:55

Fix getting status of files containing brackets

71d27358

2012-07-19T10:23:45

Fix bug with merging diffs with null options A diff that is created with a NULL options parameter could result in a NULL prefix string, but diff merge was unconditionally strdup'ing it. I added a test to replicate the issue and then a new method that does the right thing with NULL values.

1d94a7d0

2012-06-20T02:15:42

diff: make sure we free all allocated resources When the creation of one iterator fails, we need to free the prefix and possibly one of the iterators. Make sure we do so.

da825c92

2012-06-19T14:27:02

Make index add/append support core.filemode flag This fixes git_index_add and git_index_append to behave more like core git, preserving old filemode data in the index when adding and/or appending with core.filemode = false. This also has placeholder support for core.symlinks and core.ignorecase, but those flags are not implemented (well, symlinks has partial support for preserving mode information in the same way that git does, but it isn't tested).

145e696b

2012-06-08T11:56:24

Minor fixes, cleanups, and clarifications There are three actual changes in this commit: 1. When the trailing newline of a file is removed in a diff, the change will now be reported with `GIT_DIFF_LINE_DEL_EOFNL` passed to the callback. Previously, the `ADD_EOFNL` constant was given which was just an error in my understanding of when the various circumstances arose. `GIT_DIFF_LINE_ADD_EOFNL` is deprecated and should never be generated. A new newline is simply an `ADD`. 2. Rewrote the `diff_delta__merge_like_cgit` function that contains the core logic of the `git_diff_merge` implementation. The new version doesn't actually have significantly different behavior, but the logic should be much more obvious, I think. 3. Fixed a bug in `git_diff_merge` where it freed a string pool while some of the string data was still in use. This led to `git_diff_print_patch` accessing memory that had been freed. The rest of this commit contains improved documentation in `diff.h` to make the behavior and the equivalencies with core git clearer, and a bunch of new tests to cover the various cases, oh and a minor simplification of `examples/diff.c`.

0abd7244

2012-06-04T16:17:41

Fix filemode comparison in diffs File modes were both not being ignored properly on platforms where they should be ignored, nor be diffed consistently on platforms where they are supported. This change adds a number of diff and status filemode change tests. This also makes sure that filemode-only changes are included in the diff output when they occur and that filemode changes are ignored successfully when core.filemode is false. There is no code that automatically toggles core.filemode based on the capabilities of the current platform, so the user still needs to be careful in their .git/config file.

2a99df69

2012-05-24T17:14:56

Fix bugs for status with spaces and reloaded attrs This fixes two bugs: * Issue #728 where git_status_file was not working for files that contain spaces. This was caused by reusing the "fnmatch" parsing code from ignore and attribute files to interpret the "pathspec" that constrained the files to apply the status to. In that code, unescaped whitespace was considered terminal to the pattern, so a file with internal whitespace was excluded from the matched files. The fix was to add a mode to that code that allows spaces and tabs inside patterns. This mode only comes into play when parsing in-memory strings. * The other issue was undetected, but it was in the recently added code to reload gitattributes / gitignores when they were changed on disk. That code was not clearing out the old values from the cached file content before reparsing which meant that newly added patterns would be read in, but deleted patterns would not be removed. The fix was to clear the vector of patterns in a cached file before reparsing the file.

904b67e6

2012-05-18T01:48:50

errors: Rename error codes

e172cf08

2012-05-18T01:21:06

errors: Rename the generic return codes

29e948de

2012-05-10T10:38:10

global: Change parameter ordering in API Consistency is good.

bd4ca902

2012-05-16T17:02:06

Fix status for files under ignored dirs There was a bug where tracked files inside directories that were inside ignored directories where not being found by status. To make that a little clearer, if you have a .gitignore with: ignore/ And then have the following files: ignore/dir/tracked <-- actually a tracked file ignore/dir/untracked <-- should be ignored Then we would show the tracked file as being removed (because when we got the to contained item "dir/" inside the ignored directory, we decided it was safe to skip -- bzzt, wrong!). This update is much more careful about checking that we are not skipping over any prefix of a tracked item, regardless of whether it is ignored or not. As documented in diff.c, this commit does create behavior that still differs from core git with regards to the handling of untracked files contained inside ignored directories. With libgit2, those files will just not show up in status or diff. With core git, those files don't show up in status or diff either *unless* they are explicitly ignored by a .gitignore pattern in which case they show up as ignored files. Needless to say, this is a local behavior difference only, so it should not be important and (to me) the libgit2 behavior seems more consistent.

41a82592

2012-05-15T14:17:39

Ranged iterators and rewritten git_status_file The goal of this work is to rewrite git_status_file to use the same underlying code as git_status_foreach. This is done in 3 phases: 1. Extend iterators to allow ranged iteration with start and end prefixes for the range of file names to be covered. 2. Improve diff so that when there is a pathspec and there is a common non-wildcard prefix of the pathspec, it will use ranged iterators to minimize excess iteration. 3. Rewrite git_status_file to call git_status_foreach_ext with a pathspec that covers just the one file being checked. Since ranged iterators underlie the status & diff implementation, this is actually fairly efficient. The workdir iterator does end up loading the contents of all the directories down to the single file, which should ideally be avoided, but it is pretty good.

7e000ab2

2012-05-08T15:03:59

Add support for diffing index with no HEAD When a repo is first created, there is no HEAD yet and attempting to diff files in the index was showing nothing because a tree iterator could not be constructed. This adds an "empty" iterator and falls back on that when the head cannot be looked up.

b709e951

2012-05-04T11:06:12

Fix memory leaks and use after free

3fbcac89

2012-05-02T19:56:38

Remove old and unused error codes

40879fac

2012-05-02T15:59:02

Merge branch 'new-error-handling' into development Conflicts: .travis.yml include/git2/diff.h src/config_file.c src/diff.c src/diff_output.c src/mwindow.c src/path.c tests-clar/clar_helpers.c tests-clar/object/tree/frompath.c tests/t00-core.c tests/t03-objwrite.c tests/t08-tag.c tests/t10-refs.c tests/t12-repo.c tests/t18-status.c tests/test_helpers.c tests/test_main.c

16b83019

2012-03-04T23:28:36

Fix usage of "new" for fieldname in public header This should restore the ability to include libgit2 headers in C++ projects. Cherry picked 2de60205dfea2c4a422b2108a5e8605f97c2e895 from development into new-error-handling.

821f6bc7

2012-04-26T13:04:54

Fix Win32 warnings

eb3d71a5

2012-04-25T22:23:35

diff: fix generation of the header of a removal patch

19fa2bc1

2012-04-17T15:12:50

Convert attrs and diffs to use string pools This converts the git attr related code (including ignores) and the git diff related code (and implicitly the status code) to use `git_pools` for storing strings. This reduces the number of small blocks allocated dramatically.

14a513e0

2012-04-13T15:00:29

Add support for pathspec to diff and status This adds preliminary support for pathspecs to diff and status. The implementation is not very optimized (it still looks at every single file and evaluated the the pathspec match against them), but it works.

thodg/libgit2/src/diff.c

src/diff.c

Log