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f673e232
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2018-12-27T13:47:34
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git_error: use new names in internal APIs and usage
Move to the `git_error` name in the internal API for error-related
functions.
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ecf4f33a
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2018-02-08T11:14:48
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Convert usage of `git_buf_free` to new `git_buf_dispose`
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585b5dac
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2017-11-18T15:43:11
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refcount: make refcounting conform to aliasing rules
Strict aliasing rules dictate that for most data types, you are not
allowed to cast them to another data type and then access the casted
pointers. While this works just fine for most compilers, technically we
end up in undefined behaviour when we hurt that rule.
Our current refcounting code makes heavy use of casting and thus
violates that rule. While we didn't have any problems with that code,
Travis started spitting out a lot of warnings due to a change in their
toolchain. In the refcounting case, the code is also easy to fix:
as all refcounting-statements are actually macros, we can just access
the `rc` field directly instead of casting.
There are two outliers in our code where that doesn't work. Both the
`git_diff` and `git_patch` structures have specializations for generated
and parsed diffs/patches, which directly inherit from them. Because of
that, the refcounting code is only part of the base structure and not of
the children themselves. We can help that by instead passing their base
into `GIT_REFCOUNT_INC`, though.
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1560b580
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2017-08-15T10:35:47
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Merge pull request #4288 from pks-t/pks/include-fixups
Include fixups
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9093ced6
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2017-07-10T11:42:26
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patch_generate: represent buffers as void pointers
Pointers to general data should usually be used as a void pointer such
that it is possible to hand in variables of a different pointer type
without the need to cast. This is the same when creating patches from
buffers, where the buffers may contain arbitrary data. Instead of
requiring the caller to care whether his buffer is e.g. `char *` or
`unsigned char *`, we should instead just accept a `void *`. This is
also consistent in how we tread other types like for example `git_blob`,
which also just has a void pointer as its raw contents.
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0c7f49dd
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2017-06-30T13:39:01
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Make sure to always include "common.h" first
Next to including several files, our "common.h" header also declares
various macros which are then used throughout the project. As such, we
have to make sure to always include this file first in all
implementation files. Otherwise, we might encounter problems or even
silent behavioural differences due to macros or defines not being
defined as they should be. So in fact, our header and implementation
files should make sure to always include "common.h" first.
This commit does so by establishing a common include pattern. Header
files inside of "src" will now always include "common.h" as its first
other file, separated by a newline from all the other includes to make
it stand out as special. There are two cases for the implementation
files. If they do have a matching header file, they will always include
this one first, leading to "common.h" being transitively included as
first file. If they do not have a matching header file, they instead
include "common.h" as first file themselves.
This fixes the outlined problems and will become our standard practice
for header and source files inside of the "src/" from now on.
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62a2fc06
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2017-03-14T13:06:25
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patch_generate: move `git_diff_foreach` to diff.c
Now that the `git_diff_foreach` function does not depend on internals of
the `git_patch_generated` structure anymore, we can easily move it to
the actual diff code.
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ace3508f
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2017-03-14T10:37:47
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patch_generate: fix `git_diff_foreach` only working with generated diffs
The current logic of `git_diff_foreach` makes the assumption that all
diffs passed in are actually derived from generated diffs. With these
assumptions we try to derive the actual diff by inspecting either the
working directory files or blobs of a repository. This obviously cannot
work for diffs parsed from a file, where we do not necessarily have a
repository at hand.
Since the introduced split of parsed and generated patches, there are
multiple functions which help us to handle patches generically, being
indifferent from where they stem from. Use these functions and remove
the old logic specific to generated patches. This allows re-using the
same code for invoking the callbacks on the deltas.
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41019152
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2017-03-14T10:01:56
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patch_generate: remove duplicated logic
Under the existing logic, we try to load patch contents differently,
depending on whether the patch files stem from the working directory or
not. But actually, the executed code paths are completely equal to each
other -- so we were always the code despite the condition.
Remove the condition altogether and conflate both code paths.
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b0014063
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2016-12-26T22:13:35
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patch: memory leak of patch.base.diff_opts.new|old_prefix
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909d5494
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2016-12-29T12:25:15
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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
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34b32053
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2016-11-25T15:02:34
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Fix potential use of uninitialized values
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adedac5a
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2016-09-02T02:03:45
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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.
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4b34f687
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2016-09-01T15:14:25
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patch_generate: only calculate binary diffs if requested
When generating diffs for binary files, we load and decompress
the blobs in order to generate the actual diff, which can be very
costly. While we cannot avoid this for the case when we are
called with the `GIT_DIFF_SHOW_BINARY` flag, we do not have to
load the blobs in the case where this flag is not set, as the
caller is expected to have no interest in the actual content of
binary files.
Fix the issue by only generating a binary diff when the caller is
actually interested in the diff. As libgit2 uses heuristics to
determine that a blob contains binary data by inspecting its size
without loading from the ODB, this saves us quite some time when
diffing in a repository with binary files.
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b859faa6
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2016-08-23T23:38:39
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Teach `git_patch_from_diff` about parsed diffs
Ensure that `git_patch_from_diff` can return the patch for parsed diffs,
not just generate a patch for a generated diff.
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60e15ecd
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2016-07-15T17:18:39
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packbuilder: `size_t` all the things
After 1cd65991, we were passing a pointer to an `unsigned long` to
a function that now expected a pointer to a `size_t`. These types
differ on 64-bit Windows, which means that we trash the stack.
Use `size_t`s in the packbuilder to avoid this.
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9be638ec
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2016-04-19T15:12:18
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git_diff_generated: abstract generated diffs
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8d44f8b7
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2015-11-24T15:19:59
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patch: `patch_diff` -> `patch_generated`
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