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* Diff iteratorsRussell Belfer2012-09-051-59/+59
| | | | | | | | | | | 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.
* diff: make inter-hunk-context default value git-compliantyorah2012-07-021-5/+65
| | | | Default in git core is 0, not 3
* Fix MSVC compilation issuenulltoken2012-05-091-104/+104
| | | | | | | | exp() is already defined in math.h. This leads to LMSVC complaining ..\..\libgit2\tests-clar\diff\blob.c(5): error C2365: 'exp' : redefinition; previous definition was 'function' Renaming the variable fixes this issue.
* tests-clar/diff: fix missing-prototype warningMichael Schubert2012-05-091-2/+2
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* diff: fix the diffing of two identical blobsnulltoken2012-05-071-0/+31
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* diff: make git_diff_blobs() able to detect binary blobsnulltoken2012-05-071-10/+113
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* diff: fix the diffing of a concrete blob against a null onenulltoken2012-05-071-13/+42
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* diff: When diffing two blobs, ensure the delta callback parameter is filled ↵nulltoken2012-05-071-1/+1
| | | | with relevant information
* diff_output: remove unused parameterschu2012-03-211-4/+4
| | | | Signed-off-by: schu <schu-github@schulog.org>
* Clean up GIT_UNUSED macros on all platformsRussell Belfer2012-03-021-7/+2
| | | | | | | | | | | | | | | | | | | It turns out that commit 31e9cfc4cbcaf1b38cdd3dbe3282a8f57e5366a5 did not fix the GIT_USUSED behavior on all platforms. This commit walks through and really cleans things up more thoroughly, getting rid of the unnecessary stuff. To remove the use of some GIT_UNUSED, I ended up adding a couple of new iterators for hashtables that allow you to iterator just over keys or just over values. In making this change, I found a bug in the clar tests (where we were doing *count++ but meant to do (*count)++ to increment the value). I fixed that but then found the test failing because it was not really using an empty repo. So, I took some of the code that I wrote for iterator testing and moved it to clar_helpers.c, then made use of that to make it easier to open fixtures on a per test basis even within a single test file.
* Continue implementation of git-diffRussell Belfer2012-03-021-3/+2
| | | | | | | | * Implemented git_diff_index_to_tree * Reworked git_diff_options structure to handle more options * Made most of the options in git_diff_options actually work * Reorganized code a bit to remove some redundancy * Added option parsing to examples/diff.c to test most options
* Clean up diff implementation for reviewRussell Belfer2012-03-021-0/+97
This fixes several bugs, updates tests and docs, eliminates the FILE* assumption in favor of printing callbacks for the diff patch formatter helpers, and adds a "diff" example function that can perform a diff from the command line.