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954e06a8
|
2017-04-26T12:09:57
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|
socket_stream: continue to next addrinfo on socket creation failure
When connecting to a remote via socket stream, we first use getaddrinfo
to obtain the possible connection methods followed by creating and
connecting the socket. But when creating the socket, we error out as
soon as we get an invalid socket instead of trying out other address
hints returned by addrinfo.
Fix this by continuing on invalid socket instead of returning an error.
This fixes connection establishment with musl libc.
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0d2f6824
|
2017-04-21T15:39:03
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Merge pull request #4210 from pks-t/pks/misc-fixes
Misc fixes
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13c275ab
|
2017-04-21T07:49:08
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tests: threads::diff: fix warning for unused variable
The threads::diff test suite has a static variable `_retries`, which is
used on Windows platforms only. As it is unused on other systems, the
compiler throws a warning there. Fix the warning by wrapping the
declaration in an ifdef.
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f4d1592c
|
2017-04-21T07:09:59
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global: fix typo in `git_libgit2_init` description
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8d89e409
|
2017-04-17T17:19:03
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Merge pull request #4192 from libgit2/ethomson/win32_posix
Refactor some of the win32 POSIX emulation
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86536c7e
|
2017-04-17T15:40:03
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win32: `remediation` not `cleanup`
The `remediation` function is run in the retry loop in order to attempt
to fix any problems that the prior run encountered. There is nothing
"cleaned up". Clarify the name.
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f9d3b0d0
|
2017-04-12T09:21:26
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Merge pull request #4201 from pks-t/pks/fileops-fd-leak
fileops: fix leaking fd in `mmap_ro_file`
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|
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38b6e700
|
2017-04-12T08:09:08
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fileops: fix leaking fd in `mmap_ro_file`
When the `git_futils_mmap_ro_file` function encounters an error after
the file has been opened, it will do a simple returns. Instead, we
should close the opened file descriptor to avoid a leak. This commit
fixes the issue.
|
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d476d024
|
2017-04-11T19:18:05
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Merge pull request #4196 from pks-t/pks/filter-segfault
filter: only close filter if it's been initialized correctly
|
|
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a5781e2a
|
2017-04-11T19:17:11
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Merge pull request #4195 from pks-t/pks/openssl-1.1
Fix building against OpenSSL v1.1
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1262963a
|
2017-04-11T19:10:28
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Merge pull request #4198 from pks-t/pks/git-compat
README: document our relation to changes in upstream
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19a04f67
|
2017-04-10T12:01:28
|
|
README: document our relation to changes in upstream
libgit2 is a mere consumer of changes which are trickling down from the
upstream git.git project. This commit documents the ramifications caused
by this relation.
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88520151
|
2017-04-07T13:02:50
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openssl_stream: use new initialization function on OpenSSL version >=1.1
Previous to OpenSSL version 1.1, the user had to initialize at least the error
strings as well as the SSL algorithms by himself. OpenSSL version 1.1 instead
provides a new function `OPENSSL_init_ssl`, which handles initialization of all
subsystems. As the new API call will by default load error strings and
initialize the SSL algorithms, we can safely replace these calls when compiling
against version 1.1 or later.
This fixes a compiler error when compiling against OpenSSL version 1.1 which has
been built without stubs for deprecated syntax.
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29081c2f
|
2017-04-07T12:54:33
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openssl_stream: remove locking initialization on OpenSSL version >=1.1
Up to version 1.0, OpenSSL required us to provide a callback which implements
a locking mechanism. Due to problems in the API design though this mechanism was
inherently broken, especially regarding that the locking callback cannot report
errors in an obvious way. Due to this shortcoming, the locking initialization
has been completely removed in OpenSSL version 1.1. As the library has also been
refactored to not make any use of these callback functions, we can safely remove
all initialization of the locking subsystem if compiling against OpenSSL version
1.1 or higher.
This fixes a compilation error when compiling against OpenSSL version 1.1 which
has been built without stubs for deprecated syntax.
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cf07db2f
|
2017-04-07T16:05:10
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filter: only close filter if it's been initialized correctly
In the function `git_filter_list_stream_data`, we initialize, write and
subesquently close the stream which should receive content processed by
the filter. While we skip writing to the stream if its initialization
failed, we still try to close it unconditionally -- even if the
initialization failed, where the stream might not be set at all, leading
us to segfault.
Semantics in this code is not really clear. The function handling the
same logic for files instead of data seems to do the right thing here in
only closing the stream when initialization succeeded. When stepping
back a bit, this is only reasonable: if a stream cannot be initialized,
the caller would not expect it to be closed again. So actually, both
callers of `stream_list_init` fail to do so. The data streaming function
will always close the stream and the file streaming function will not
close the stream if writing to it has failed.
The fix is thus two-fold:
- callers of `stream_list_init` now close the stream iff it has been
initialized
- `stream_list_init` now closes the lastly initialized stream if
the current stream in the chain failed to initialize
Add a test which segfaulted previous to these changes.
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e572b631
|
2017-04-07T09:03:56
|
|
Merge pull request #4183 from pks-t/pks/coverity
Coverity
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|
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44998cdb
|
2017-04-07T09:02:54
|
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Merge pull request #4193 from pks-t/pks/libdir
pkgconfig: fix handling of prefixes containing whitespaces
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22436f29
|
2017-04-05T14:39:05
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|
pkgconfig: fix handling of prefixes containing whitespaces
Our libgit2.pc.in file is quoting the `libdir` variable in our declared
"Libs:" line. The intention is to handle whitespaces here, but pkgconfig
already does so by automatically escaping whitespace with backslashes.
The correct thing to do is to instead quote the prefix, as this is the
one which is being substituted by CMake upon installation. As both
libdir and includedir will be expanded to "${prefix}/lib" and
"${prefix}/include", respectively, pkgconfig will also correctly escape
whitespaces.
Note that this will actually break when a user manually wants to
override libdir and includedir with a path containing whitespace. But
actually, this cannot be helped, as always quoting these variables will
actuall break the common case of being prefixed with "${prefix}". So we
just bail out here and declare this as unsupported out of the box.
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48f09c6c
|
2017-04-05T11:59:03
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win32: only set `git_win32__retries` where it exists
|
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|
89d403cc
|
2017-04-05T09:50:12
|
|
win32: enable `p_utimes` for readonly files
Instead of failing to set the timestamp of a read-only file (like any
object file), set it writable temporarily to update the timestamp.
|
|
|
9daba9f4
|
2017-03-28T10:12:23
|
|
fileops: do not overwrite correct error message on mmap
When executing `git_futils_mmap_ro_file`, we first try to guess whether
the file is mmapable at all. Part of this check is whether the file is
too large to be mmaped, which can be true on systems with 32 bit
`size_t` types.
The check is performed by first getting the file size wtih
`git_futils_filesize` and then checking whether the returned size can be
represented as `size_t`, returning an error if so. While this test also
catches the case where the function returned an error (as `-1` is not
representable by `size_t`), we will set the misleading error message
"file too large to mmap". But in fact, a negative return value from
`git_futils_filesize` will be caused by the inability to fstat the file.
Fix the error message by handling negative return values separately and
not overwriting the error message in that case.
|
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756138e4
|
2017-03-28T09:15:53
|
|
blame_git: check return value of `git__calloc`
We do not check the return value of `git__calloc`, which may return
`NULL` in out-of-memory situations. Fix the error by using
`GITERR_CHECK_ALLOC`.
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a76d7502
|
2017-03-28T09:12:34
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path: short-circuit `git_path_apply_relative` on error
Short-circuit the call to `git_path_resolve_relative` in case
`git_buf_joinpath` returns an error. While this does not fix any
immediate errors, the resulting code is easier to read and handles
potential new error conditions raised by `git_buf_joinpath`.
|
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cffd616a
|
2017-03-28T09:08:41
|
|
path: handle error returned by `git_buf_joinpath`
In the `_check_dir_contents` function, we first allocate memory for
joining the directory and subdirectory together and afterwards use
`git_buf_joinpath`. While this function in fact should not fail as
memory is already allocated, err on the safe side and check for returned
errors.
|
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4467aeac
|
2017-03-28T09:00:48
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|
config_file: handle errors other than OOM while parsing section headers
The current code in `parse_section_header_ext` is only prepared to
properly handle out-of-memory conditions for the `git_buf` structure.
While very unlikely and probably caused by a programming error, it is
also possible to run into error conditions other than out-of-memory
previous to reaching the actual parsing loop. In these cases, we will
run into undefined behavior as the `rpos` variable is only initialized
after these triggerable errors, but we use it in the cleanup-routine.
Fix the issue by unifying the function's cleanup code with an
`end_error` section, which will not use the `rpos` variable.
|
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7ece9065
|
2017-04-03T23:07:16
|
|
win32: make posix emulation retries configurable
POSIX emulation retries should be configurable so that tests can disable
them. In particular, maniacally threading tests may end up trying to
open locked files and need retries, which will slow continuous
integration tests significantly.
|
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1069ad3c
|
2017-04-03T23:05:53
|
|
win32: do not inherit file descriptors
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|
d5e6ca1e
|
2017-01-14T18:39:32
|
|
Allow to configure default file share mode for opening files
This can prevent FILE_SHARED_VIOLATIONS when used in tools such as TortoiseGit TGitCache and FILE_SHARE_DELETE, because files can be opened w/o being locked any more.
Signed-off-by: Sven Strickroth <email@cs-ware.de>
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dbacbf78
|
2017-04-03T13:31:39
|
|
Merge pull request #4188 from rcjsuen/patch-1
Correct non-existent file references in `odb.h`
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|
a12796dd
|
2017-04-02T23:05:48
|
|
Correct typos that reference a non-existing file
There are references to odb_backends.h when the file is actually named
odb_backend.h and in the sys folder.
|
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|
92d5a637
|
2017-01-14T17:15:50
|
|
win32: deduplicate code: use p_open in p_creat
Signed-off-by: Sven Strickroth <email@cs-ware.de>
|
|
|
ef5cfcdb
|
2017-01-14T18:20:59
|
|
win32: use CreateFile in p_open
Signed-off-by: Sven Strickroth <email@cs-ware.de>
|
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|
fbc6910f
|
2017-04-01T13:25:14
|
|
win32: teach p_open about do_with_retries
|
|
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a0f67e4a
|
2017-04-01T13:19:51
|
|
win32: teach p_unlink about do_with_retries
|
|
|
8a4e1513
|
2017-04-01T00:23:03
|
|
win32: make p_rename use do_with_retries
|
|
|
cc8d9a29
|
2017-04-01T10:44:17
|
|
win32: introduce `do_with_retries` macro
Provide a macro that will allow us to run a function with posix-like
return values multiple times in a retry loop, with an optional cleanup
function called between invocations.
|
|
|
dcaa9099
|
2017-03-29T23:54:47
|
|
win32: map windows error codes to errno
Introduce mapping from windows error codes to errno values. This
allows us to replace our calls to the Windows posix emulation functions
with calls to the Win32 APIs for more fine-grained control over the
emulation.
These mappings match the Windows CRT's mappings for its posix emulation
as they were described to me.
|
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|
fcb322f5
|
2017-03-31T23:39:33
|
|
Merge remote-tracking branch 'origin/pr/3790' into win32_posix
|
|
|
caf7a7a6
|
2017-03-28T15:16:34
|
|
Merge pull request #4182 from pks-t/pks/treebuilder
git_treebuilder_write_with_buffer refactorings
|
|
|
06abbb7f
|
2017-03-27T13:14:48
|
|
treebuilder: exit early if running OOM in `write_with_buffer`
While writing the tree inside of a buffer, we check whether the buffer
runs out of memory after each tree entry. While we set the error code as
soon as we detect the OOM situation, we happily proceed iterating over
the entries. This is not useful at all, as we will try to write into the
buffer repeatedly, which cannot work.
Fix this by exiting as soon as we are OOM.
|
|
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8d1e71f5
|
2017-03-27T13:14:05
|
|
treebuilder: remove shadowing variable in `write_with_buffer`
The `git_tree_entry *entry` variable is defined twice inside of this
function. While this is not a problem currently, remove the shadowing
variable to avoid future confusion.
|
|
|
4f9327fa
|
2017-03-27T13:11:38
|
|
treebuilder: fix memory leaks in `write_with_buffer`
While we detect errors in `git_treebuilder_write_with_buffer`, we just
exit directly instead of freeing allocated memory. Fix this by
remembering error codes and skipping forward to the function's cleanup
code.
|
|
|
a25df009
|
2017-03-28T08:38:24
|
|
Merge pull request #4180 from pks-t/pks/pass-blame-fix
Fix memory leaks
|
|
|
fbdf2a79
|
2017-03-24T09:26:31
|
|
worktree: unconditionally free the worktree's name
|
|
|
4004d68f
|
2017-03-24T08:36:12
|
|
blame_git: remove spuriuous goto
The recent addition of an error code to `pass_whole_blame` in ff8d2eb15
(blame_git: check return value of object lookup, 2017-03-20) introduced
a spurious goto. Remove it.
|
|
|
1d39a603
|
2017-03-24T08:26:33
|
|
Merge pull request #4175 from libgit2/ethomson/dont_trunc_and_excl
git_futils: don't O_EXCL and O_TRUNC
|
|
|
fa86a095
|
2017-03-23T20:45:28
|
|
Merge pull request #4178 from libgit2/ethomson/enfasten_sha1
sha1dc: perf improvements from upstream
|
|
|
d6729635
|
2017-03-23T17:25:11
|
|
sha1dc: `SHA1DCUpdate` now takes a `size_t`
|
|
|
69873685
|
2017-03-23T09:49:09
|
|
Merge branch 'pr/3957'
|
|
|
b53d834f
|
2017-03-23T09:46:22
|
|
merge: indentation fixup
|
|
|
6ad091dc
|
2017-03-23T09:33:09
|
|
Merge pull request #4176 from libgit2/ethomson/3872
inet_pton: don't assume addr families don't exist
|
|
|
c9efa995
|
2017-03-23T09:16:24
|
|
sha1dc: perf improvements from upstream
Update SHA-1 collision detection code (cr-marcstevens/sha1collisiondetection)
to master to include performance improvements.
|
|
|
f623cf89
|
2017-03-22T20:32:55
|
|
Merge pull request #4163 from pks-t/pks/submodules-with-worktrees
Worktree fixes
|
|
|
6fd6c678
|
2017-03-22T20:29:22
|
|
Merge pull request #4030 from libgit2/ethomson/fsync
fsync all the things
|
|
|
7e53e8ce
|
2017-03-22T20:26:52
|
|
Merge pull request #4167 from pks-t/pks/ci-fixes
Coverity fixes
|
|
|
69d0b460
|
2017-03-22T20:22:45
|
|
Merge pull request #4172 from rcjsuen/patch-1
Fix the documentation for git_cred_acquire_cb
|
|
|
983979fa
|
2017-03-22T19:52:38
|
|
inet_pton: don't assume addr families don't exist
Address family 5 might exist on some crazy system like Haiku.
Use `INT_MAX-1` as an unsupported address family.
|
|
|
4a26915d
|
2017-03-22T19:48:50
|
|
git_futils: don't O_EXCL and O_TRUNC
`O_EXCL` and `O_TRUNC` are mutually exclusive flags to open(2); you can't
truncate a file if you're asserting that it can't exist in the first place.
Drop `O_TRUNC`.
|
|
|
84b4e573
|
2017-03-22T06:08:24
|
|
Use proper documentation tags
git_cred_acquire_cb isn't using the standard @param and @return tags.
This is causing the generated documentation to not be formatted
properly.
|
|
|
e7330016
|
2017-03-20T12:38:28
|
|
diff_parse: check return value of `git_diff_init_options`
|
|
|
723bdf48
|
2017-03-20T09:35:23
|
|
patch_parse: check if advancing over header newline succeeds
While parsing patch header lines, we iterate over each line and check if
the line has trailing garbage. What we do not check though is that the
line is actually a line ending with a trailing newline.
Fix this by checking the return code of `parse_advance_expected_str`.
|
|
|
ff8d2eb1
|
2017-03-20T09:34:25
|
|
blame_git: check return value of object lookup
The function `pass_whole_blame` performs an object lookup but does not
check if the lookup actually succeeds. Convert the function to return an
error code and check for it in the calling function.
|
|
|
8d452448
|
2017-03-20T09:34:59
|
|
odb_pack: initialize `git_rawobj` structure
The `pack_entry_find_prefix` function receives a `git_rawobj` structure
as argument. While the function first initializes the structure to a
sensible state, Coverity is unable to correctly detect this, resulting
in a warning.
Fix this warning by initializing the object to all-zeroes before passing
it to the function.
|
|
|
2cf48e13
|
2017-03-20T09:34:41
|
|
config_file: check if section header buffer runs out of memory
While parsing section headers, we use a buffer to store the actual
section name. We do not check though if the buffer runs out of memory at
any stage. Do so.
|
|
|
33ea4aae
|
2017-03-21T13:41:24
|
|
Merge pull request #4139 from richardipsum/readme-running-tests
README: Mention how to run tests
|
|
|
c6217973
|
2017-03-20T14:32:57
|
|
Merge pull request #4171 from rcjsuen/patch-1
Fix typo in remote.h API
|
|
|
12b7394c
|
2017-03-20T22:30:37
|
|
Fix typo in remote.h API
|
|
|
dd0b1e8c
|
2017-03-20T09:13:25
|
|
openssl_stream: fix releasing OpenSSL locks
The OpenSSL library may require multiple locks to work correctly, where
it is the caller's responsibility to initialize and release the locks.
While we correctly initialized up to `n` locks, as determined by
`CRYPTO_num_locks`, we were repeatedly freeing the same mutex in our
shutdown procedure.
Fix the issue by freeing locks at the correct index.
|
|
|
1d50f955
|
2017-03-20T11:29:27
|
|
Merge pull request #4166 from pks-t/pks/map-free-fix
Remove `map_free` macros
|
|
|
31059923
|
2017-03-20T12:16:18
|
|
Merge pull request #4169 from csware/absolute-symlink
|
|
|
c10ce7c2
|
2017-03-20T12:11:05
|
|
tests: filebuf: test writing to symlink with absolute paths
|
|
|
86a8cd9f
|
2017-03-20T11:21:00
|
|
filebuf: fix resolving absolute symlinks
The symlink destination is always concatenated to the original path. Fix
this by using `git_buf_sets` instead of `git_buf_puts`.
|
|
|
e30a6ee3
|
2017-03-20T11:06:23
|
|
Merge pull request #4160 from pks-t/pks/diff-fixes
Diff fixes
|
|
|
44b3b9fe
|
2017-03-20T11:05:03
|
|
Merge pull request #4162 from pks-t/pks/merge-source-fixes
merge_driver: fix const-correctness for source getters
|
|
|
94af9155
|
2017-03-20T09:01:18
|
|
map: remove `*map_free` macros
The `map_free` functions were not implemented as functions but instead
as macros which also set the map to NULL. While this is most certainly
sensible in most cases, we should prefer the more obvious behavior,
namingly leaving the map pointer intact.
Furthermore, this macro has been refactored incorrectly during the
map-refactorings: the two statements are not actually grouped together
by a `do { ... } while (0)` block, as it is required for macros to
match the behavior of functions more closely. This has led to at least
one subtle nesting error in `pack-objects.c`. The following code block
```
if (pb->object_ix)
git_oidmap_free(pb->object_ix);
```
would be expanded to
```
if (pb->object_ix)
git_oidmap__free(pb->object_ix); pb->object_ix = NULL;
```
which is not what one woudl expect. While it is not a bug here as it
would simply become a no-op, the wrong implementation could lead to bugs
in other occasions.
Fix this by simply removing the macro altogether and replacing it with
real function calls. This leaves the burden of setting the pointer to
NULL afterwards to the caller, but this is actually expected and behaves
like other `free` functions.
|
|
|
77c8ee74
|
2017-03-20T08:59:30
|
|
checkout: fix double-free of checkout_data's mkdir_map
We currently call `git_strmap_free` on `checkout_data.mkdir_map` in the
`checkout_data_clear` function. The only thing protecting us from a
double-free is that the `git_strmap_free` function is in fact not a
function, but a macro that also sets the map to NULL.
Remove the second call to `git_strmap_free` and explicitly set the map
member to NULL.
|
|
|
b0c9bc92
|
2017-03-15T13:38:54
|
|
submodule: resolve URLs relative to main worktree
It is possible to specify submodule URLs relative to the repository
location. E.g. having a submodule with URL "../submodule" will look for
the submodule at "repo/../submodule".
With the introduction of worktrees, though, we cannot simply resolve the
URL relative to the repository location itself. If the repository for
which a URL is to be resolved is a working tree, we have to resolve the
URL relative to the parent's repository path. Otherwise, the URL would
change depending on where the working tree is located.
Fix this by special-casing when we have a working tree while getting the
URL base.
|
|
|
097f0105
|
2017-03-17T08:54:53
|
|
refdb: create references in commondir
References for a repository are usually created inside of its gitdir.
When using worktrees, though, these references are not to be created
inside the worktree gitdir, but instead inside the gitdir of its parent
repository, which is the commondir. Like this, branches will still be
available after the worktree itself has been deleted.
The filesystem refdb currently still creates new references inside of
the gitdir. Fix this and have it create references in commondir.
|
|
|
8f154be3
|
2017-03-17T08:13:59
|
|
worktree: write resolved paths into link files
The three link files "worktree/.git", ".git/worktrees/<name>/commondir"
and ".git/worktrees/<name>/gitdir" should always contain absolute and
resolved paths. Adjust the logic creating new worktrees to first use
`git_path_prettify_dir` before writing out these files, so that paths
are resolved first.
|
|
|
7cf7a407
|
2017-03-17T08:06:49
|
|
worktree: rename variable in `git_worktree_add`
|
|
|
9dcc79bc
|
2017-03-15T16:35:43
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worktree: use fully qualified reference name for created HEAD
When creating a new worktree, we have to set up the initial data
structures. Next to others, this also includes the HEAD pseudo-ref.
We currently set it to the worktree respectively branch name, which is
actually not fully qualified.
Use the fully qualified branch name instead.
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20a368e2
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2017-03-15T15:29:29
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worktree: parent path should point to the working dir
The working tree's parent path should not point to the parent's gitdir,
but to the parent's working directory. Pointing to the gitdir would not
make any sense, as the parent's working directory is actually equal to
both repository's common directory.
Fix the issue.
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3017ba94
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2017-03-15T14:24:25
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worktree: implement `git_worktree_open_from_repository`
While we already provide functionality to look up a worktree from a
repository, we cannot do so the other way round. That is given a
repository, we want to look up its worktree if it actually exists.
Getting the worktree of a repository is useful when we want to get
certain meta information like the parent's location, getting the locked
status, etc.
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dfc98706
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2017-03-15T13:54:14
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worktree: split off function opening working directory
Separate the logic of finding the worktree directory of a repository and
actually opening the working tree's directory. This is a preparatory
step for opening the worktree structure of a repository itself.
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3e9c5d8a
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2017-03-15T13:42:52
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worktree: have `is_worktree_dir` accept a string instead of buffer
This will be used in later commits, where it becomes cumbersome to
always pass in a buffer.
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f3c30686
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2017-03-15T15:04:24
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tests: worktree: use joinpath instead of printf to join paths
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6dfb983c
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2017-03-15T15:03:45
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Merge pull request #4161 from pks-t/pks/submodule-index-fix
submodule: catch when submodule is not staged on update
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fdb3e24a
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2017-03-15T14:23:59
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tests: worktree: unify init/cleanup in open tests
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548e5bdf
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2017-03-15T12:28:05
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tests: worktree: unify init/cleanup in submodule tests
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aa593a65
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2017-03-15T12:01:02
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tests: worktree: move submodule tests into own suite
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bb342159
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2017-03-15T11:46:15
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merge_driver: fix const-correctness for source getters
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8051b47f
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2017-03-15T08:20:26
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Merge branch 'gumenikav/merge_driver_source_info'
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0608d5df
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2017-03-06T12:30:31
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merge_driver: add unresolved getters for git_merge_driver_source
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13bf4d7f
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2017-03-14T15:04:18
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Merge pull request #4146 from pks-t/pks/winhttp-errors
winhttp: disambiguate error messages when sending requests
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32ecc98e
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2017-03-14T14:53:32
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submodule: catch when submodule is not staged on update
When calling `git_submodule_update` on a submodule, we have to retrieve
the ID of the submodule entry in the index. If the function is called on
a submodule which is only partly initialized, the submodule entry may
not be added to the index yet. This leads to an assert when trying to
look up the blob later on.
Fix the issue by checking if the index actually holds the submodule's
ID and erroring out if it does not.
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c0eba379
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2017-03-14T11:01:19
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diff_parse: correctly set options for parsed diffs
The function `diff_parsed_alloc` allocates and initializes a
`git_diff_parsed` structure. This structure also contains diff options.
While we initialize its flags, we fail to do a real initialization of
its values. This bites us when we want to actually use the generated
diff as we do not se the option's version field, which is required to
operate correctly.
Fix the issue by executing `git_diff_init_options` on the embedded
struct.
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ad5a909c
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2017-03-14T09:39:37
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patch_parse: fix parsing minimal trailing diff line
In a diff, the shortest possible hunk with a modification (that is, no
deletion) results from a file with only one line with a single character
which is removed. Thus the following hunk
@@ -1 +1 @@
-a
+
is the shortest valid hunk modifying a line. The function parsing the
hunk body though assumes that there must always be at least 4 bytes
present to make up a valid hunk, which is obviously wrong in this case.
The absolute minimum number of bytes required for a modification is
actually 2 bytes, that is the "+" and the following newline. Note: if
there is no trailing newline, the assumption will not be offended as the
diff will have a line "\ No trailing newline" at its end.
This patch fixes the issue by lowering the amount of bytes required.
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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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