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e35e2684
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2013-05-07T04:32:17
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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.
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a66c4bc8
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2013-04-29T02:57:01
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More tests for diff untracked directories
This includes more tests for various scenarios when diff includes
an untracked directory in the workdir with contents either ignored
or not.
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ccfa6805
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2013-03-25T23:58:40
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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.
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71a3d27e
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2013-02-08T10:06:47
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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.
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793c4385
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2012-11-20T16:36:06
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Update diff callback param order
This makes the diff functions that take callbacks both take
the payload parameter after the callback function pointers and
pass the payload as the last argument to the callback function
instead of the first. This should make them consistent with
other callbacks across the API.
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cfbe4be3
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2012-11-17T19:54:47
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More external API cleanup
Conflicts:
src/branch.c
tests-clar/refs/branches/create.c
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b4f5bb07
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2012-10-23T16:40:51
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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.
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71966e2f
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2012-10-08T15:18:30
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Extend diff helpers for tests a little
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bae957b9
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2012-09-25T16:31:46
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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!
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64286308
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2012-09-25T10:48:50
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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.
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5f69a31f
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2012-09-24T20:52:34
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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.
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1f35e89d
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2012-09-11T12:03:33
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Fix diff binary file detection
In the process of adding tests for the max file size threshold
(which treats files over a certain size as binary) there seem to
be a number of problems in the new code with detecting binaries.
This should fix those up, as well as add a test for the file
size threshold stuff.
Also, this un-deprecates `GIT_DIFF_LINE_ADD_EOFNL`, since I
finally found a legitimate situation where it would be returned.
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b36effa2
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2012-09-10T09:59:14
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Replace git_diff_iterator_num_files with progress
The `git_diff_iterator_num_files` API was problematic, since we
don't actually know the exact number of files to be iterated over
until we load those files into memory. This replaces it with a
new `git_diff_iterator_progress` API that goes from 0 to 1, and
moves and renamed the old API for the internal places that can
tolerate a max value instead of an exact value.
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f335ecd6
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2012-08-30T14:24:16
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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.
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5fdc41e7
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2012-08-22T13:57:57
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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.
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b8457baa
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2012-07-24T07:57:58
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portability: Improve x86/amd64 compatibility
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145e696b
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2012-06-08T11:56:24
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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`.
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9a29f8d5
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2012-05-04T07:55:09
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diff: fix the diffing of two identical blobs
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28ef7f9b
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2012-05-03T17:25:01
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diff: make git_diff_blobs() able to detect binary blobs
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2de0652b
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2012-04-30T07:41:33
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Leverage GIT_UNUSED macro to explicitly mark a function parameter as purposely unused
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1d2dd864
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2012-04-29T19:42:51
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diff: provide more context to the consumer of the callbacks
Update the callback to provide some information related to the file change being processed and the range of the hunk, when applicable.
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44ef8b1b
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2012-04-13T13:00:10
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Fix warnings on 64-bit windows builds
This fixes all the warnings on win64 except those in deps, which
come from the regex code.
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9d160ba8
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2012-03-06T01:37:56
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diff: Fix rebase breackage
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e1bcc191
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2012-03-01T11:45:00
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Revert GIT_STATUS constants to avoid issues
This reverts the changes to the GIT_STATUS constants and adds a
new enumeration to describe the type of change in a git_diff_delta.
I don't love this solution, but it should prevent strange errors
from occurring for now. Eventually, I would like to unify the
various status constants, but it needs a larger plan and I just
wanted to eliminate this breakage quickly.
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74fa4bfa
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2012-02-28T16:14:47
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Update diff to use iterators
This is a major reorganization of the diff code. This changes
the diff functions to use the iterators for traversing the
content. This allowed a lot of code to be simplified. Also,
this moved the functions relating to outputting a diff into a
new file (diff_output.c).
This includes a number of other changes - adding utility
functions, extending iterators, etc. plus more tests for the
diff code. This also takes the example diff.c program much
further in terms of emulating git-diff command line options.
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760db29c
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2012-02-21T15:09:04
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Fixing unit tests post rebase
Some changes that merged cleanly actually broke the unit
tests, so this fixes them.
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a2e895be
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2012-02-07T12:14:28
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Continue implementation of git-diff
* 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
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caf71ec0
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2012-02-07T15:30:18
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Add tests and fix bugs for diff whitespace options
Once I added tests for the whitespace handling options of
diff, I realized that there were some bugs. This fixes
those and adds the new tests into the test suite.
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3a437590
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2012-02-03T16:53:01
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Clean up diff implementation for review
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.
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b6c93aef
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2012-02-21T14:46:24
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Uniform iterators for trees, index, and workdir
This create a new git_iterator type of object that provides a
uniform interface for iterating over the index, an arbitrary
tree, or the working directory of a repository.
As part of this, git ignore support was extended to support
push and pop of directory-based ignore files as the working
directory is being traversed (so the array of ignores does
not have to be recreated at each directory during traveral).
There are a number of other small utility functions in buffer,
path, vector, and fileops that are included in this patch
that made the iterator implementation cleaner.
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