kmx git

Commit	Date	Message
909d5494	2016-12-29T12:25:15	giterr_set: consistent error messages Error messages should be sentence fragments, and therefore: 1. Should not begin with a capital letter, 2. Should not conclude with punctuation, and 3. Should not end a sentence and begin a new one
adedac5a	2016-09-02T02:03:45	diff: treat binary patches with no data special When creating and printing diffs, deal with binary deltas that have binary data specially, versus diffs that have a binary file but lack the actual binary data.
f4e3dae7	2016-09-02T11:26:16	diff_print: change test for skipping binary printing Instead of skipping printing a binary diff when there is no data, skip printing when we have a status of `UNMODIFIED`. This is more in-line with our internal data model and allows us to expand the notion of binary data. In the future, there may have no data because the files were unmodified (there was no data to produce) or it may have no data because there was no data given to us in a patch. We want to treat these cases separately.
1a79cd95	2016-04-26T01:18:01	patch: show copy information for identical copies When showing copy information because we are duplicating contents, for example, when performing a `diff --find-copies-harder -M100 -B100`, then show copy from/to lines in a patch, and do not show context. Ensure that we can also parse such patches.
72827490	2016-04-25T12:40:19	Introduce `git_diff_to_buf` Like `git_patch_to_buf`, provide a simple helper method that can print an entire diff directory to a `git_buf`.
8d44f8b7	2015-11-24T15:19:59	patch: `patch_diff` -> `patch_generated`
f941f035	2015-09-24T09:25:10	patch: drop some warnings
040ec883	2015-09-23T18:20:17	patch: use strlen to mean string length `oid_strlen` has meant one more than the length of the string. This is mighty confusing. Make it mean only the string length! Whomsoever needs to allocate a buffer to hold a string can null terminate it like normal.
e2cdc145	2015-09-23T17:48:52	patch: show modes when only the mode has changed
4ac2d8ac	2015-09-23T16:33:02	patch: quote filenames when necessary
72806f4c	2015-09-23T13:56:48	patch: don't print some headers on pure renames
19e46645	2015-09-23T11:07:04	patch printing: include rename information
28f70443	2015-09-23T10:38:51	patch_parse: use names from `diff --git` header When a text file is added or deleted, use the file names from the `diff --git` header instead of the `---` or `+++` lines. This is for compatibility with git.
d68cb736	2015-09-22T18:25:03	diff: include oid length in deltas Now that `git_diff_delta` data can be produced by reading patch file data, which may have an abbreviated oid, allow consumers to know that the id is abbreviated.
804d5fe9	2015-09-11T08:37:12	patch: abstract patches into diff'ed and parsed Patches can now come from a variety of sources - either internally generated (from diffing two commits) or as the results of parsing some external data.
3149ff6f	2015-06-17T18:13:10	patch application: apply binary patches Handle the application of binary patches. Include tests that produce a binary patch (an in-memory `git_patch` object), then enusre that the patch applies correctly.
be8479c9	2016-02-22T14:01:50	diff_print: assert patch is non-NULL When invoking `diff_print_info_init_frompatch` it is obvious that the patch should be non-NULL. We explicitly check if the variable is set and continue afterwards, happily dereferencing the potential NULL-pointer. Fix this by instead asserting that patch is set. This also silences Coverity.
e4b2b919	2015-09-25T10:37:41	Fix binary diffs git expects an empty line after the binary data: literal X ...binary data... <empty_line> The last literal block of the generated patches were not containing the required empty line. Example: diff --git a/binary_file b/binary_file index 3f1b3f9098131cfecea4a50ff8afab349ea66d22..86e5c1008b5ce635d3e3fffa4434c5eccd8f00b6 100644 GIT binary patch literal 8 Pc${NM&PdElPvrst3ey5{ literal 6 Nc${NM%g@i}0ssZ\|0lokL diff --git a/binary_file2 b/binary_file2 index 31be99be19470da4af5b28b21e27896a2f2f9ee2..86e5c1008b5ce635d3e3fffa4434c5eccd8f00b6 100644 GIT binary patch literal 8 Pc${NM&PdElPvrst3ey5{ literal 13 Sc${NMEKbZyOexL+Qd\|HZV+4u- git apply of that diff results in: error: corrupt binary patch at line 9: diff --git a/binary_file2 b/binary_file2 fatal: patch with only garbage at line 10 The proper formating is: diff --git a/binary_file b/binary_file index 3f1b3f9098131cfecea4a50ff8afab349ea66d22..86e5c1008b5ce635d3e3fffa4434c5eccd8f00b6 100644 GIT binary patch literal 8 Pc${NM&PdElPvrst3ey5{ literal 6 Nc${NM%g@i}0ssZ\|0lokL diff --git a/binary_file2 b/binary_file2 index 31be99be19470da4af5b28b21e27896a2f2f9ee2..86e5c1008b5ce635d3e3fffa4434c5eccd8f00b6 100644 GIT binary patch literal 8 Pc${NM&PdElPvrst3ey5{ literal 13 Sc${NMEKbZyOexL+Qd\|HZV+4u-
49840056	2015-06-30T14:20:31	diff: use size_t format
9568660f	2015-06-26T18:31:39	diff: fix leaks in diff printing
0f4d9c03	2015-06-15T09:52:40	Fixed Xcode 6.1 build warnings
8147b1af	2015-05-25T20:03:59	diff: introduce binary diff callbacks Introduce a new binary diff callback to provide the actual binary delta contents to callers. Create this data from the diff contents (instead of directly from the ODB) to support binary diffs including the workdir, not just things coming out of the ODB.
e003f83a	2014-07-31T15:14:56	Introduce git_buf_decode_base64 Decode base64-encoded text into a git_buf
85b7268e	2014-07-23T12:17:02	undo indentation change in diff_print.c
dc49e1b5	2014-06-04T15:36:28	Merge remote-tracking branch 'origin/development' into fix-git-status-list-new-unreadable-folder Conflicts: include/git2/diff.h
bc81220d	2014-05-31T10:19:55	minor cleanups
947a58c1	2014-05-30T13:19:49	Clean up the handling of large binary diffs
61bef72d	2014-05-20T23:57:40	Start adding GIT_DELTA_UNREADABLE and GIT_STATUS_WT_UNREADABLE.
4c9ffdff	2014-05-17T12:45:34	Fix printf format string from previous commit
c6320bec	2014-05-17T12:19:32	print_binary_hunk: Treat types with respect
1e4976cb	2014-05-08T10:17:14	Be more careful with user-supplied buffers This adds in missing calls to `git_buf_sanitize` and fixes a number of places where `git_buf` APIs could inadvertently write NUL terminator bytes into invalid buffers. This also changes the behavior of `git_buf_sanitize` to NUL terminate a buffer if it can and of `git_buf_shorten` to do nothing if it can. Adds tests of filtering code with zeroed (i.e. unsanitized) buffer which was previously triggering a segfault.
212b6205	2014-04-23T09:27:15	Merge pull request #2291 from ethomson/patch_binary patch: emit deflated binary patches (optionally)
e349ed50	2014-04-22T14:58:33	patch: emit binary patches (optionally)
12e422a0	2014-04-21T16:08:05	Some doc and examples/diff.c changes I was playing with "git diff-index" and wanted to be able to emulate that behavior a little more closely with the diff example. Also, I wanted to play with running `git_diff_tree_to_workdir` directly even though core Git doesn't exactly have the equivalent, so I added a command line option for that and tweaked some other things in the example code. This changes a minor output thing in that the "raw" print helper function will no longer add ellipses (...) if the OID is not actually abbreviated.
27e54bcf	2014-02-07T14:17:19	Add public diff print helpers The usefulness of these helpers came up for me while debugging some of the iterator changes that I was making, so since they have also been requested (albeit indirectly) I thought I'd include them.
86bfc3e1	2014-01-24T20:30:10	diff: change id abbrev option's name to id_abbrev Same as the other commits in the series, we use 'id' when talking about thing rather than the datatype.
9950bb4e	2014-01-24T20:23:17	diff: rename the file's 'oid' to 'id' In the same vein as the previous commits in this series.
c05cd792	2014-01-22T17:51:32	Drop git_patch_to_str It's hard or even impossible to correctly free the string buffer allocated by git_patch_to_str in some circumstances. Drop the function so people have to use git_patch_to_buf instead - git_buf has a dedicated destructor.
450e8e9e	2014-01-22T13:22:15	Expose patch serialization to git_buf Returning library-allocated strings from libgit2 works fine on Linux, but may cause problems on Windows because there is no one C Runtime that everything links against. With libgit2 not exposing its own allocator, freeing the string is a gamble. git_patch_to_str already serializes to a buffer, then returns the underlying memory. Expose the functionality directly, so callers can use the git_buf_free function to free the memory later.
26c1cb91	2013-12-09T09:44:03	One more rename/cleanup for callback err functions
25e0b157	2013-12-06T15:07:57	Remove converting user error to GIT_EUSER This changes the behavior of callbacks so that the callback error code is not converted into GIT_EUSER and instead we propagate the return value through to the caller. Instead of using the giterr_capture and giterr_restore functions, we now rely on all functions to pass back the return value from a callback. To avoid having a return value with no error message, the user can call the public giterr_set_str or some such function to set an error message. There is a new helper 'giterr_set_callback' that functions can invoke after making a callback which ensures that some error message was set in case the callback did not set one. In places where the sign of the callback return value is meaningful (e.g. positive to skip, negative to abort), only the negative values are returned back to the caller, obviously, since the other values allow for continuing the loop. The hardest parts of this were in the checkout code where positive return values were overloaded as meaningful values for checkout. I fixed this by adding an output parameter to many of the internal checkout functions and removing the overload. This added some code, but it is probably a better implementation. There is some funkiness in the network code where user provided callbacks could be returning a positive or a negative value and we want to rely on that to cancel the loop. There are still a couple places where an user error might get turned into GIT_EUSER there, I think, though none exercised by the tests.
96869a4e	2013-12-03T16:45:39	Improve GIT_EUSER handling This adds giterr_user_cancel to return GIT_EUSER and clear any error message that is sitting around. As a result of using that in places, we need to be more thorough with capturing errors that happen inside a callback when used internally. To help with that, this also adds giterr_capture and giterr_restore so that when we internally use a foreach-type function that clears errors and converts them to GIT_EUSER, it is easier to restore not just the return value, but the actual error message text.
3b5f7954	2013-10-21T13:42:42	Create git_diff_line and extend git_diff_hunk Instead of having functions with so very many parameters to pass hunk and line data, this takes the existing git_diff_hunk struct and extends it with more hunk data, plus adds a git_diff_line. Those structs are used to pass back hunk and line data instead of the old APIs that took tons of parameters. Some work that was previously only being done for git_diff_patch creation (scanning the diff content for exact line counts) is now done for all callbacks, but the performance difference should not be noticable.
10672e3e	2013-10-15T15:10:07	Diff API cleanup This lays groundwork for separating formatting options from diff creation options. This groups the formatting flags separately from the diff list creation flags and reorders the options. This also tweaks some APIs to further separate code that uses patches from code that just looks at git_diffs.
3ff1d123	2013-10-11T14:51:54	Rename diff objects and split patch.h This makes no functional change to diff but renames a couple of the objects and splits the new git_patch (formerly git_diff_patch) into a new header file.
00e85927	2013-09-23T21:52:42	Clean up unnecessary git_buf_printf calls This replaces some git_buf_printf calls with simple calls to git_buf_put instead. Also, it fixes a missing va_end inside the git_buf_vprintf implementation.
a7fcc44d	2013-09-05T16:14:32	Better macro name for is-exec-bit-set test
f240acce	2013-09-05T11:20:12	Add more file mode permissions macros This adds some more macros for some standard operations on file modes, particularly related to permissions, and then updates a number of places around the code base to use the new macros.
eb1c1707	2013-07-23T15:45:58	Restore GIT_DIFF_LINE_BINARY usage This restores the usage of GIT_DIFF_LINE_BINARY for the diff output line that reads "Binary files x and y differ" so that it can be optionally colorized independently of the file header.
df40f398	2013-07-23T15:18:28	Make compact output more like core Git
197b8966	2013-07-23T14:34:31	Add hunk/file headers to git_diff_patch_size This allows git_diff_patch_size to account for hunk headers and file headers in the returned size. This required some refactoring of the code that is used to print file headers so that it could be invoked by the git_diff_patch_size API. Also this increases the test coverage and fixes an off-by-one bug in the size calculation when newline changes happen at the end of the file.
e4acc3ba	2013-06-18T16:14:35	Fix rename looped reference issues This makes the diff rename tracking code more careful about the order in which it processes renames and more thorough in updating the mapping of correct renames when an earlier rename update alters the index of a later matched pair.
74ded024	2013-06-17T17:03:34	Add "as_path" parameters to blob and buffer diffs This adds parameters to the four functions that allow for blob-to- blob and blob-to-buffer differencing (either via callbacks or by making a git_diff_patch object). These parameters let you say that filename we should pretend the blob has while doing the diff. If you pass NULL, there should be no change from the existing behavior, which is to skip using attributes for file type checks and just look at content. With the parameters, you can plug into the new diff driver functionality and get binary or non-binary behavior, plus function context regular expressions, etc. This commit also fixes things so that the git_diff_delta that is generated by these functions will actually be populated with the data that we know about the blobs (or buffers) so you can use it appropriately. It also fixes a bug in generating patches from the git_diff_patch objects created via these functions. Lastly, there is one other behavior change that may matter. If there is no difference between the two blobs, these functions no longer generate any diff callbacks / patches unless you have passed in GIT_DIFF_INCLUDE_UNMODIFIED. This is pretty natural, but could potentially change the behavior of existing usage.
a1683f28	2013-06-14T16:18:04	More tests and bug fixes for status with rename This changes the behavior of the status RENAMED flags so that they will be combined with the MODIFIED flags if appropriate. If a file is modified in the index and also renamed, then the status code will have both the GIT_STATUS_INDEX_MODIFIED and INDEX_RENAMED bits set. If it is renamed but the OID has not changed, then just the GIT_STATUS_INDEX_RENAMED bit will be set. Similarly, the flags GIT_STATUS_WT_MODIFIED and GIT_STATUS_WT_RENAMED can both be set independently of one another. This fixes a serious bug where the check for unmodified files that was done at data load time could end up erasing the RENAMED state of a file that was renamed with no changes. Lastly, this contains a bunch of new tests for status with renames, including tests where the only rename changes are case changes. The expected results of these tests have to vary by whether the platform uses a case sensitive filesystem or not, so the expected data covers those platform differences separately.
360f42f4	2013-06-12T14:18:09	Fix diff header naming issues This makes the git_diff_patch definition private to diff_patch.c and fixes a number of other header file naming inconsistencies to use `git_` prefixes on functions and structures that are shared between files.
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.
7000f3fa	2013-06-04T10:32:59	Move some diff helpers into separate file

909d5494

2016-12-29T12:25:15

giterr_set: consistent error messages Error messages should be sentence fragments, and therefore: 1. Should not begin with a capital letter, 2. Should not conclude with punctuation, and 3. Should not end a sentence and begin a new one

adedac5a

2016-09-02T02:03:45

diff: treat binary patches with no data special When creating and printing diffs, deal with binary deltas that have binary data specially, versus diffs that have a binary file but lack the actual binary data.

f4e3dae7

2016-09-02T11:26:16

diff_print: change test for skipping binary printing Instead of skipping printing a binary diff when there is no data, skip printing when we have a status of `UNMODIFIED`. This is more in-line with our internal data model and allows us to expand the notion of binary data. In the future, there may have no data because the files were unmodified (there was no data to produce) or it may have no data because there was no data given to us in a patch. We want to treat these cases separately.

1a79cd95

2016-04-26T01:18:01

patch: show copy information for identical copies When showing copy information because we are duplicating contents, for example, when performing a `diff --find-copies-harder -M100 -B100`, then show copy from/to lines in a patch, and do not show context. Ensure that we can also parse such patches.

72827490

2016-04-25T12:40:19

Introduce `git_diff_to_buf` Like `git_patch_to_buf`, provide a simple helper method that can print an entire diff directory to a `git_buf`.

8d44f8b7

2015-11-24T15:19:59

patch: `patch_diff` -> `patch_generated`

f941f035

2015-09-24T09:25:10

patch: drop some warnings

040ec883

2015-09-23T18:20:17

patch: use strlen to mean string length `oid_strlen` has meant one more than the length of the string. This is mighty confusing. Make it mean only the string length! Whomsoever needs to allocate a buffer to hold a string can null terminate it like normal.

e2cdc145

2015-09-23T17:48:52

patch: show modes when only the mode has changed

4ac2d8ac

2015-09-23T16:33:02

patch: quote filenames when necessary

72806f4c

2015-09-23T13:56:48

patch: don't print some headers on pure renames

19e46645

2015-09-23T11:07:04

patch printing: include rename information

28f70443

2015-09-23T10:38:51

patch_parse: use names from `diff --git` header When a text file is added or deleted, use the file names from the `diff --git` header instead of the `---` or `+++` lines. This is for compatibility with git.

d68cb736

2015-09-22T18:25:03

diff: include oid length in deltas Now that `git_diff_delta` data can be produced by reading patch file data, which may have an abbreviated oid, allow consumers to know that the id is abbreviated.

804d5fe9

2015-09-11T08:37:12

patch: abstract patches into diff'ed and parsed Patches can now come from a variety of sources - either internally generated (from diffing two commits) or as the results of parsing some external data.

3149ff6f

2015-06-17T18:13:10

patch application: apply binary patches Handle the application of binary patches. Include tests that produce a binary patch (an in-memory `git_patch` object), then enusre that the patch applies correctly.

be8479c9

2016-02-22T14:01:50

diff_print: assert patch is non-NULL When invoking `diff_print_info_init_frompatch` it is obvious that the patch should be non-NULL. We explicitly check if the variable is set and continue afterwards, happily dereferencing the potential NULL-pointer. Fix this by instead asserting that patch is set. This also silences Coverity.

e4b2b919

2015-09-25T10:37:41

Fix binary diffs git expects an empty line after the binary data: literal X ...binary data... <empty_line> The last literal block of the generated patches were not containing the required empty line. Example: diff --git a/binary_file b/binary_file index 3f1b3f9098131cfecea4a50ff8afab349ea66d22..86e5c1008b5ce635d3e3fffa4434c5eccd8f00b6 100644 GIT binary patch literal 8 Pc${NM&PdElPvrst3ey5{ literal 6 Nc${NM%g@i}0ssZ|0lokL diff --git a/binary_file2 b/binary_file2 index 31be99be19470da4af5b28b21e27896a2f2f9ee2..86e5c1008b5ce635d3e3fffa4434c5eccd8f00b6 100644 GIT binary patch literal 8 Pc${NM&PdElPvrst3ey5{ literal 13 Sc${NMEKbZyOexL+Qd|HZV+4u- git apply of that diff results in: error: corrupt binary patch at line 9: diff --git a/binary_file2 b/binary_file2 fatal: patch with only garbage at line 10 The proper formating is: diff --git a/binary_file b/binary_file index 3f1b3f9098131cfecea4a50ff8afab349ea66d22..86e5c1008b5ce635d3e3fffa4434c5eccd8f00b6 100644 GIT binary patch literal 8 Pc${NM&PdElPvrst3ey5{ literal 6 Nc${NM%g@i}0ssZ|0lokL diff --git a/binary_file2 b/binary_file2 index 31be99be19470da4af5b28b21e27896a2f2f9ee2..86e5c1008b5ce635d3e3fffa4434c5eccd8f00b6 100644 GIT binary patch literal 8 Pc${NM&PdElPvrst3ey5{ literal 13 Sc${NMEKbZyOexL+Qd|HZV+4u-

49840056

2015-06-30T14:20:31

diff: use size_t format

9568660f

2015-06-26T18:31:39

diff: fix leaks in diff printing

0f4d9c03

2015-06-15T09:52:40

Fixed Xcode 6.1 build warnings

8147b1af

2015-05-25T20:03:59

diff: introduce binary diff callbacks Introduce a new binary diff callback to provide the actual binary delta contents to callers. Create this data from the diff contents (instead of directly from the ODB) to support binary diffs including the workdir, not just things coming out of the ODB.

e003f83a

2014-07-31T15:14:56

Introduce git_buf_decode_base64 Decode base64-encoded text into a git_buf

85b7268e

2014-07-23T12:17:02

undo indentation change in diff_print.c

dc49e1b5

2014-06-04T15:36:28

Merge remote-tracking branch 'origin/development' into fix-git-status-list-new-unreadable-folder Conflicts: include/git2/diff.h

bc81220d

2014-05-31T10:19:55

minor cleanups

947a58c1

2014-05-30T13:19:49

Clean up the handling of large binary diffs

61bef72d

2014-05-20T23:57:40

Start adding GIT_DELTA_UNREADABLE and GIT_STATUS_WT_UNREADABLE.

4c9ffdff

2014-05-17T12:45:34

Fix printf format string from previous commit

c6320bec

2014-05-17T12:19:32

print_binary_hunk: Treat types with respect

1e4976cb

2014-05-08T10:17:14

Be more careful with user-supplied buffers This adds in missing calls to `git_buf_sanitize` and fixes a number of places where `git_buf` APIs could inadvertently write NUL terminator bytes into invalid buffers. This also changes the behavior of `git_buf_sanitize` to NUL terminate a buffer if it can and of `git_buf_shorten` to do nothing if it can. Adds tests of filtering code with zeroed (i.e. unsanitized) buffer which was previously triggering a segfault.

212b6205

2014-04-23T09:27:15

Merge pull request #2291 from ethomson/patch_binary patch: emit deflated binary patches (optionally)

e349ed50

2014-04-22T14:58:33

patch: emit binary patches (optionally)

12e422a0

2014-04-21T16:08:05

Some doc and examples/diff.c changes I was playing with "git diff-index" and wanted to be able to emulate that behavior a little more closely with the diff example. Also, I wanted to play with running `git_diff_tree_to_workdir` directly even though core Git doesn't exactly have the equivalent, so I added a command line option for that and tweaked some other things in the example code. This changes a minor output thing in that the "raw" print helper function will no longer add ellipses (...) if the OID is not actually abbreviated.

27e54bcf

2014-02-07T14:17:19

Add public diff print helpers The usefulness of these helpers came up for me while debugging some of the iterator changes that I was making, so since they have also been requested (albeit indirectly) I thought I'd include them.

86bfc3e1

2014-01-24T20:30:10

diff: change id abbrev option's name to id_abbrev Same as the other commits in the series, we use 'id' when talking about thing rather than the datatype.

9950bb4e

2014-01-24T20:23:17

diff: rename the file's 'oid' to 'id' In the same vein as the previous commits in this series.

c05cd792

2014-01-22T17:51:32

Drop git_patch_to_str It's hard or even impossible to correctly free the string buffer allocated by git_patch_to_str in some circumstances. Drop the function so people have to use git_patch_to_buf instead - git_buf has a dedicated destructor.

450e8e9e

2014-01-22T13:22:15

Expose patch serialization to git_buf Returning library-allocated strings from libgit2 works fine on Linux, but may cause problems on Windows because there is no one C Runtime that everything links against. With libgit2 not exposing its own allocator, freeing the string is a gamble. git_patch_to_str already serializes to a buffer, then returns the underlying memory. Expose the functionality directly, so callers can use the git_buf_free function to free the memory later.

26c1cb91

2013-12-09T09:44:03

One more rename/cleanup for callback err functions

25e0b157

2013-12-06T15:07:57

Remove converting user error to GIT_EUSER This changes the behavior of callbacks so that the callback error code is not converted into GIT_EUSER and instead we propagate the return value through to the caller. Instead of using the giterr_capture and giterr_restore functions, we now rely on all functions to pass back the return value from a callback. To avoid having a return value with no error message, the user can call the public giterr_set_str or some such function to set an error message. There is a new helper 'giterr_set_callback' that functions can invoke after making a callback which ensures that some error message was set in case the callback did not set one. In places where the sign of the callback return value is meaningful (e.g. positive to skip, negative to abort), only the negative values are returned back to the caller, obviously, since the other values allow for continuing the loop. The hardest parts of this were in the checkout code where positive return values were overloaded as meaningful values for checkout. I fixed this by adding an output parameter to many of the internal checkout functions and removing the overload. This added some code, but it is probably a better implementation. There is some funkiness in the network code where user provided callbacks could be returning a positive or a negative value and we want to rely on that to cancel the loop. There are still a couple places where an user error might get turned into GIT_EUSER there, I think, though none exercised by the tests.

96869a4e

2013-12-03T16:45:39

Improve GIT_EUSER handling This adds giterr_user_cancel to return GIT_EUSER and clear any error message that is sitting around. As a result of using that in places, we need to be more thorough with capturing errors that happen inside a callback when used internally. To help with that, this also adds giterr_capture and giterr_restore so that when we internally use a foreach-type function that clears errors and converts them to GIT_EUSER, it is easier to restore not just the return value, but the actual error message text.

3b5f7954

2013-10-21T13:42:42

Create git_diff_line and extend git_diff_hunk Instead of having functions with so very many parameters to pass hunk and line data, this takes the existing git_diff_hunk struct and extends it with more hunk data, plus adds a git_diff_line. Those structs are used to pass back hunk and line data instead of the old APIs that took tons of parameters. Some work that was previously only being done for git_diff_patch creation (scanning the diff content for exact line counts) is now done for all callbacks, but the performance difference should not be noticable.

10672e3e

2013-10-15T15:10:07

Diff API cleanup This lays groundwork for separating formatting options from diff creation options. This groups the formatting flags separately from the diff list creation flags and reorders the options. This also tweaks some APIs to further separate code that uses patches from code that just looks at git_diffs.

3ff1d123

2013-10-11T14:51:54

Rename diff objects and split patch.h This makes no functional change to diff but renames a couple of the objects and splits the new git_patch (formerly git_diff_patch) into a new header file.

00e85927

2013-09-23T21:52:42

Clean up unnecessary git_buf_printf calls This replaces some git_buf_printf calls with simple calls to git_buf_put instead. Also, it fixes a missing va_end inside the git_buf_vprintf implementation.

a7fcc44d

2013-09-05T16:14:32

Better macro name for is-exec-bit-set test

f240acce

2013-09-05T11:20:12

Add more file mode permissions macros This adds some more macros for some standard operations on file modes, particularly related to permissions, and then updates a number of places around the code base to use the new macros.

eb1c1707

2013-07-23T15:45:58

Restore GIT_DIFF_LINE_BINARY usage This restores the usage of GIT_DIFF_LINE_BINARY for the diff output line that reads "Binary files x and y differ" so that it can be optionally colorized independently of the file header.

df40f398

2013-07-23T15:18:28

Make compact output more like core Git

197b8966

2013-07-23T14:34:31

Add hunk/file headers to git_diff_patch_size This allows git_diff_patch_size to account for hunk headers and file headers in the returned size. This required some refactoring of the code that is used to print file headers so that it could be invoked by the git_diff_patch_size API. Also this increases the test coverage and fixes an off-by-one bug in the size calculation when newline changes happen at the end of the file.

e4acc3ba

2013-06-18T16:14:35

Fix rename looped reference issues This makes the diff rename tracking code more careful about the order in which it processes renames and more thorough in updating the mapping of correct renames when an earlier rename update alters the index of a later matched pair.

74ded024

2013-06-17T17:03:34

Add "as_path" parameters to blob and buffer diffs This adds parameters to the four functions that allow for blob-to- blob and blob-to-buffer differencing (either via callbacks or by making a git_diff_patch object). These parameters let you say that filename we should pretend the blob has while doing the diff. If you pass NULL, there should be no change from the existing behavior, which is to skip using attributes for file type checks and just look at content. With the parameters, you can plug into the new diff driver functionality and get binary or non-binary behavior, plus function context regular expressions, etc. This commit also fixes things so that the git_diff_delta that is generated by these functions will actually be populated with the data that we know about the blobs (or buffers) so you can use it appropriately. It also fixes a bug in generating patches from the git_diff_patch objects created via these functions. Lastly, there is one other behavior change that may matter. If there is no difference between the two blobs, these functions no longer generate any diff callbacks / patches unless you have passed in GIT_DIFF_INCLUDE_UNMODIFIED. This is pretty natural, but could potentially change the behavior of existing usage.

a1683f28

2013-06-14T16:18:04

More tests and bug fixes for status with rename This changes the behavior of the status RENAMED flags so that they will be combined with the MODIFIED flags if appropriate. If a file is modified in the index and also renamed, then the status code will have both the GIT_STATUS_INDEX_MODIFIED and INDEX_RENAMED bits set. If it is renamed but the OID has not changed, then just the GIT_STATUS_INDEX_RENAMED bit will be set. Similarly, the flags GIT_STATUS_WT_MODIFIED and GIT_STATUS_WT_RENAMED can both be set independently of one another. This fixes a serious bug where the check for unmodified files that was done at data load time could end up erasing the RENAMED state of a file that was renamed with no changes. Lastly, this contains a bunch of new tests for status with renames, including tests where the only rename changes are case changes. The expected results of these tests have to vary by whether the platform uses a case sensitive filesystem or not, so the expected data covers those platform differences separately.

360f42f4

2013-06-12T14:18:09

Fix diff header naming issues This makes the git_diff_patch definition private to diff_patch.c and fixes a number of other header file naming inconsistencies to use `git_` prefixes on functions and structures that are shared between files.

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.

7000f3fa

2013-06-04T10:32:59

Move some diff helpers into separate file

thodg/libgit2/src/diff_print.c

src/diff_print.c

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