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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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9daba9f4
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2017-03-28T10:12:23
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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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1d39a603
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2017-03-24T08:26:33
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Merge pull request #4175 from libgit2/ethomson/dont_trunc_and_excl
git_futils: don't O_EXCL and O_TRUNC
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6fd6c678
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2017-03-22T20:29:22
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Merge pull request #4030 from libgit2/ethomson/fsync
fsync all the things
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4a26915d
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2017-03-22T19:48:50
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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`.
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11c8e756
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2017-03-09T12:26:23
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git_futils_readbuffer: don't compute sha-1
Don't compute the sha-1 in `git_futils_readbuffer_updated` unless the
checksum was requested. This means that `git_futils_readbuffer` will
not calculate the checksum unnecessarily.
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3ac05d11
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2017-02-17T16:48:03
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win32: don't fsync parent directories on Windows
Windows doesn't support it.
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1229e1c4
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2017-02-17T16:36:53
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fsync parent directories when fsyncing
When fsync'ing files, fsync the parent directory in the case where we
rename a file into place, or create a new file, to ensure that the
directory entry is flushed correctly.
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5a747e0c
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2016-12-27T23:07:07
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git_futils_writebuffer: default only when flags==0
Only use defaults for `git_futils_writebuffer` when flags == 0, lest
(1 << 31) be treated as the defaults.
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5312621b
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2016-12-15T10:51:02
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git_futils_writebuffer: optionally fsync
Add a custom `O_FSYNC` bit (if it's not been defined by the operating
system`) so that `git_futils_writebuffer` can optionally do an `fsync`
when it's done writing.
We call `fsync` ourselves, even on systems that define `O_FSYNC` because
its definition is no guarantee of its actual support. Mac, for
instance, defines it but doesn't support it in an `open(2)` call.
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13c3bc9a
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2017-01-27T14:32:23
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strmap: remove GIT__USE_STRMAP macro
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73028af8
|
2017-01-27T14:20:24
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khash: avoid using macro magic to get return address
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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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f94825c1
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2015-12-24T17:21:51
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fileops: save errno and report file existence
We need to save the errno, lest we clobber it in the giterr_set()
call. Also add code for reporting that a path component is missing,
which is a distinct failure mode.
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27051d4e
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2016-07-22T13:34:19
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odb: only freshen pack files every 2 seconds
Since writing multiple objects may all already exist in a single
packfile, avoid freshening that packfile repeatedly in a tight loop.
Instead, only freshen pack files every 2 seconds.
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8f09a98e
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2016-07-14T16:23:24
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odb: freshen existing objects when writing
When writing an object, we calculate its OID and see if it exists in the
object database. If it does, we need to freshen the file that contains
it.
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3d6a42d1
|
2016-02-25T11:23:19
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nsec: support NDK's crazy nanoseconds
Android NDK does not have a `struct timespec` in its `struct stat`
for nanosecond support, instead it has a single nanosecond member inside
the struct stat itself. We will use that and use a macro to expand to
the `st_mtim` / `st_mtimespec` definition on other systems (much like
the existing `st_mtime` backcompat definition).
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9447b9e5
|
2016-02-09T10:40:33
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xplat: use st_mtimespec everywhere on mac
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eb11fac6
|
2015-11-20T18:57:13
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Detect stat's structure
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75a0ccf5
|
2015-11-12T19:53:09
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Merge pull request #3170 from CmdrMoozy/nsec_fix
git_index_entry__init_from_stat: set nsec fields in entry stats
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3547b122
|
2015-10-30T21:36:51
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filebuf: use an internal buffer
This reduces the chances of a crash in the thread tests. This shouldn't
affect general usage too much, since the main usage of these functions
are to read into an empty buffer.
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eb597799
|
2015-10-29T21:12:37
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filebuf: use a checksum to detect file changes
Instead of relying on the size and timestamp, which can hide changes
performed in the same second, hash the file content's when we care about
detecting changes.
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973a09a4
|
2015-10-01T18:35:21
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index: don't populate nsec values if GIT_USE_NSEC is off
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28cdb315
|
2015-09-18T23:48:22
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apple: work around non-POSIX struct stat on OS X.
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0226f7dd
|
2015-08-29T13:59:20
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diff/index: respect USE_NSEC for racily clean file detection
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9ce2e7b3
|
2015-09-17T12:48:37
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`mkdir`: cope with root path on win32
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81aaf370
|
2015-09-17T11:26:38
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mkdir: chmod existing paths with `GIT_MKDIR_CHMOD`
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e24c60db
|
2015-09-17T09:42:05
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|
mkdir: find component paths for mkdir_relative
`git_futils_mkdir` does not blindly call `git_futils_mkdir_relative`.
`git_futils_mkdir_relative` is used when you have some base directory
and want to create some path inside of it, potentially removing blocking
symlinks and files in the process. This is not suitable for a general
recursive mkdir within the filesystem.
Instead, when `mkdir` is being recursive, locate the first existent
parent directory and use that as the base for `mkdir_relative`.
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ac2fba0e
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2015-09-16T15:07:27
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git_futils_mkdir_*: make a relative-to-base mkdir
Untangle git_futils_mkdir from git_futils_mkdir_ext - the latter
assumes that we own everything beneath the base, as if it were
being called with a base of the repository or working directory,
and is tailored towards checkout and ensuring that there is no
bogosity beneath the base that must be cleaned up.
This is (at best) slow and (at worst) unsafe in the larger context
of a filesystem where we do not own things and cannot do things like
unlink symlinks that are in our way.
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edef91ee
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2015-05-15T12:23:27
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fileops: set an error on write error for file copy
We set an error if we get an error when reading, but we don't bother
setting an error message for write failing. This causes a cryptic error
to be shown to the user when the target filesystem is full.
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54738368
|
2015-05-15T12:18:05
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fileops: set an error message if we fail to link a file
Now that `git_path_direach` lets us specify an error message to report,
set an appropriate error message while linking.
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7dd22538
|
2015-05-11T10:19:25
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centralizing all IO buffer size values
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d88e6e9b
|
2015-03-19T18:38:13
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mkdir-ext: Retry lstat on EEXIST race
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c8e02b87
|
2015-02-15T21:07:05
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|
Remove extra semicolon outside of a function
Without this change, compiling with gcc and pedantic generates warning:
ISO C does not allow extra ‘;’ outside of a function.
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a7fa970f
|
2015-02-15T05:13:50
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Merge pull request #2895 from ethomson/alloc_overflow
allocations: test for overflow of requested size
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f1453c59
|
2015-02-12T12:19:37
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Make our overflow check look more like gcc/clang's
Make our overflow checking look more like gcc and clang's, so that
we can substitute it out with the compiler instrinsics on platforms
that support it. This means dropping the ability to pass `NULL` as
an out parameter.
As a result, the macros also get updated to reflect this as well.
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3ca91107
|
2015-02-13T08:30:21
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Merge pull request #2897 from leoyanggit/fix_fileop_warning
Fix build warning on Android
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8d534b47
|
2015-02-11T13:01:00
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|
p_read: ensure requested len is ssize_t
Ensure that the given length to `p_read` is of ssize_t and ensure
that callers test the return as if it were an `ssize_t`.
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392702ee
|
2015-02-09T23:41:13
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allocations: test for overflow of requested size
Introduce some helper macros to test integer overflow from arithmetic
and set error message appropriately.
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3556a82a
|
2015-02-09T17:35:25
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|
Fix build warning on Android
Always do a time_t cast on st_mtime. st_mtime on Android is not
the type of time_t but has the same meaning which is the number
of seconds past epoch.
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d24a5312
|
2015-02-12T02:34:58
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Merge pull request #2866 from ethomson/checkout_perf2
Checkout performance
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9cb5b0f7
|
2015-02-04T23:45:22
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|
mkdir: respect the root path
Don't try to strip trailing paths from the root directory on
Windows (trying to create `C:` will fail).
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500ec543
|
2015-02-03T01:46:01
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checkout: hold seen dir paths in a map
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e74340b0
|
2015-01-14T18:47:00
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checkout: remove files before writing new ones
On case insensitive filesystems, we may have files in the working
directory that case fold to a name we want to write. Remove those
files (by default) so that we will not end up with a filename that
has the unexpected case.
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fe598f09
|
2015-01-13T11:18:02
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mkdir: walk up tree to mkdir
Walk up the tree to mkdir, which is less immediately efficient,
but allows us to look at intermediate directories that may need
attention.
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1d50b364
|
2015-01-12T16:16:27
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checkout: introduce git_checkout_perfdata
Checkout can now provide performance data about the number of (some)
syscalls performed using an optional callback.
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bbb988a5
|
2014-09-17T14:52:31
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|
path: Fix `git_path_walk_up` to work with non-rooted paths
|
|
668ae2dd
|
2014-08-22T10:05:09
|
|
Allow mkdir helper to skip parent errors
Our mkdir helper was failing is a parent directory was not
accessible even if the child directory could be created.
This changes the helper to keep trying child directories
even when the parent is unwritable.
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94f742ba
|
2014-05-28T10:18:05
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|
fileops: allow linking files when copying directory structures
When passed the LINK_FILES flag, the recursive copy will hardlink files
instead of copying them.
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823c0e9c
|
2014-04-17T11:53:13
|
|
Fix broken logic for attr cache invalidation
The checks to see if files were out of date in the attibute cache
was wrong because the cache-breaker data wasn't getting stored
correctly. Additionally, when the cache-breaker triggered, the
old file data was being leaked.
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7d490872
|
2014-04-10T22:31:01
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|
Attribute file cache refactor
This is a big refactoring of the attribute file cache to be a bit
simpler which in turn makes it easier to enforce a lock around any
updates to the cache so that it can be used in a threaded env.
Tons of changes to the attributes and ignores code.
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83634d38
|
2014-02-24T17:43:10
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Move system directory cache out of utils
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9cfce273
|
2013-12-12T12:11:38
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|
Cleanups, renames, and leak fixes
This renames git_vector_free_all to the better git_vector_free_deep
and also contains a couple of memory leak fixes based on valgrind
checks. The fixes are specifically: failure to free global dir
path variables when not compiled with threading on and failure to
free filters from the filter registry that had not be initialized
fully.
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25e0b157
|
2013-12-06T15:07:57
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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.
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96869a4e
|
2013-12-03T16:45:39
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|
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.
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39b1ad7f
|
2013-11-05T16:14:20
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|
Plug configuration file search paths leaks
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1d3a8aeb
|
2013-11-04T18:28:57
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|
move mode_t to filebuf_open instead of _commit
|
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c2408a69
|
2013-11-01T17:03:01
|
|
preserve windows error numbers as well
|
|
2c2b0ebb
|
2013-10-11T09:47:05
|
|
Merge pull request #1562 from libgit2/cmn/refs-namespace-lookup
Provide the user with a more useful error code when a looking up a reference which name points to a namepace
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7c9f5bec
|
2013-08-17T07:11:31
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|
futils: return GIT_ENOTFOUND when trying to read a directory
This lets the reference code return not-found when the user asks to
look up a reference when in fact they pass a namespace.
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14997dc5
|
2013-10-08T12:45:43
|
|
More filemode cleanups for FAT on MacOS
This cleans up some additional issues. The main change is that
on a filesystem that doesn't support mode bits, libgit2 will now
create new blobs with GIT_FILEMODE_BLOB always instead of being
at the mercy to the filesystem driver to report executable or not.
This means that if "core.filemode" lies and claims that filemode
is not supported, then we will ignore the executable bit from the
filesystem. Previously we would have allowed it.
This adds an option to the new git_repository_reset_filesystem to
recurse through submodules if desired. There may be other types
of APIs that would like a "recurse submodules" option, but this
one is particularly useful.
This also has a number of cleanups, etc., for related things
including trying to give better error messages when problems come
up from the filesystem. For example, the FAT filesystem driver on
MacOS appears to return errno EINVAL if you attempt to write a
filename with invalid UTF-8 in it. We try to capture that with a
better error message now.
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219d3457
|
2013-10-01T16:12:15
|
|
Initial iconv hookup for precomposed unicode
This hooks up git_path_direach and git_path_dirload so that they
will take a flag indicating if directory entry names should be
tested and converted from decomposed unicode to precomposed form.
This code will only come into play on the Apple platform and even
then, only when certain types of filesystems are used.
This involved adding a flag to these functions which involved
changing a lot of places in the code.
This was an opportunity to do a bit of code cleanup here and there,
for example, getting rid of the git_futils_cleanupdir_r function in
favor of a simple flag to git_futils_rmdir_r to not remove the top
level entry. That ended up adding depth tracking during rmdir_r
which led to a safety check for infinite directory recursion. Yay.
This hasn't actually been tested on the Mac filesystems where the
issue occurs. I still need to get test environment for that.
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3d4f1698
|
2013-09-17T10:21:22
|
|
Merge pull request #1858 from linquize/win32-template-dir
Configurable template dir for Win32
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|
|
13f36ffb
|
2013-09-13T16:30:21
|
|
Add clar helpers for testing file equality
These are a couple of new clar helpers for testing that a file
has expected contents that I extracted from the checkout code.
Actually wrote this as part of an abandoned earlier attempt at a
new filters API, but it will be useful now for some of the tests
I'm going to write.
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a3aa5f4d
|
2013-09-11T12:45:20
|
|
Add simple global shutdown hooks
Increasingly there are a number of components that want to do some
cleanup at global shutdown time (at least if there are not going
to be memory leaks). This creates a very simple system of shutdown
hooks that will be invoked by git_threads_shutdown. Right now, the
maximum number of hooks is hardcoded, but since adding a hook is
not a public API, it should be fine and I thought it was better to
start off with really simple code.
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|
a025907e
|
2013-09-17T23:55:11
|
|
Can load default template directory
|
|
|
7e8934bb
|
2013-09-17T23:29:02
|
|
Can guess win32 git template dir
|
|
|
f84bc388
|
2013-09-17T23:24:44
|
|
Refactor git_win32__find_system_dirs() to extract "etc\\" as subpath parameter
|
|
|
d0cd6c42
|
2013-09-08T18:22:28
|
|
path: Make direach() return EUSER on callback error
|
|
|
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.
|
|
|
3d276874
|
2013-08-19T10:30:44
|
|
index: report when it's locked
Report the index being locked with its own error code in order to be
able to differentiate, as a locked index is typically the result of a
crashed process or concurrent access, both of which often require user
intervention to fix.
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|
|
89f6d84c
|
2013-08-14T06:40:38
|
|
Merge pull request #1781 from brodie/brodie/stat-before-open
fileops: stat() before open()ing in git_futils_readbuffer_updated()
|
|
9ccdb211
|
2013-08-13T10:55:37
|
|
fileops: stat() before open()ing in git_futils_readbuffer_updated()
This reverts refactoring done in 13224ea4aad9a1b3c9cc4c992ceaea9af623e047
that introduces a performance regression for NFS when reading files that
don't exist. open() forces a cache invalidation on NFS, while stat()ing a
file just uses the cache and is very quick.
To give a specific example, say you have a repo with a thousand packed
refs. Before this change, looking up every single one ould incur a thousand
slow open() calls. With this change, it's a thousand fast stat() calls.
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|
|
d4cff0cb
|
2013-08-13T09:40:32
|
|
Rename git__win32_path fns to git_win32_path
|
|
|
abf37327
|
2013-08-13T09:15:39
|
|
windows: Path conversion with better semantics
|
|
aaefbdee
|
2013-08-08T08:48:57
|
|
Discriminate path-specific and general UTF-X conversions
|
|
|
2c0128ee
|
2013-08-07T19:29:33
|
|
Rename git_win_str_utf* to git_win32_path_utf*
|
|
|
9c38f7a6
|
2013-08-07T13:22:41
|
|
Add typedefs for win32 utf-8 and utf-16 buffers
...and normalize the signatures of the two conversion functions.
|
|
|
d8563619
|
2013-08-05T11:41:39
|
|
Split UTF-16 and UTF-8 buffer sizes for win32
Also fixed up call-sites to use the correct buffer sizes, especially
when converting to utf-8.
|
|
f5254d78
|
2013-07-27T20:15:06
|
|
Fix possible double close
Signed-off-by: Sven Strickroth <email@cs-ware.de>
|
|
|
989710d9
|
2013-07-22T11:22:55
|
|
Fix warning message about mismatched types
|
|
|
0a1c8f55
|
2013-07-11T17:09:15
|
|
preload configuration paths
|
|
|
022a45e0
|
2013-06-25T16:43:15
|
|
Revert "Work around reparse point stat issues"
This reverts commit 32c12ea6a9cafd76a746af2e2be9366c95752f5b.
|
|
|
09ee60c6
|
2013-06-24T11:21:09
|
|
Merge pull request #1670 from arrbee/open-cloexec
Add O_CLOEXEC to open calls
|
|
|
32c12ea6
|
2013-06-24T09:19:24
|
|
Work around reparse point stat issues
In theory, p_stat should never return an S_ISLNK result, but due
to the current implementation on Windows with mount points it is
possible that it will. For now, work around that by allowing a
link in the path to a directory being created. If it is really a
problem, then the issue will be caught on the next iteration of
the loop, but typically this will be the right thing to do.
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|
|
3d3ea4dc
|
2013-06-22T20:58:32
|
|
Add O_CLOEXEC to open calls
|
|
2da72fb2
|
2013-06-14T12:10:13
|
|
fileops: fix invalid read
|
|
|
f7e56150
|
2013-06-05T15:41:42
|
|
Make mkdir early exit cases clearer
There are two places where git_futils_mkdir should exit early or
at least do less. The first is when using GIT_MKDIR_SKIP_LAST
and having that flag leave no directory left to create; it was
being handled previously, but the behavior was subtle. Now I put
in a clear explicit check that exits early in that case.
The second is when there is no directory to create, but there is
a valid path that should be verified. I shifted the logic a bit
so we'll be better about not entering the loop than that happens.
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999d4405
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2013-06-05T12:02:28
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Simplify git_futils_mkdir
This routine was (is) pretty complicated, but given the recent
changes, it seemed like it could be simplified a bit.
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2e1fa15f
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2013-06-05T19:00:16
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I'm a dick
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b832ecf7
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2013-06-05T09:46:51
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Ensure git_futils_mkdir won't mkdir root
This makes sure that git_futils_mkdir always skips over the root
directory at a minimum, even on platforms where the root is not
simply '/'. Also, this removes the GIT_WIN32 ifdef in favor of
making EACCES as a potentially recoverable error on all platforms.
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daf98cb2
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2013-06-04T14:49:39
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Allow creation of directories under the volume root in Win32
We ran into an issue where cloning a repository to a folder
directly underneath the root of a volume (e.g. 'd:\libgit2')
would fail with an access denied error. This was traced down
to a call to make a directory that is the root (e.g. 'd:') could
return an error indicated access denied instead of an error
indicating the path already exists. This change now handles
the access denied error on Win32 and checks for the existence
of the folder.
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4742148d
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2013-05-20T13:41:39
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Add more diff rename detection tests
This adds a bunch more rename detection tests including checks
vs the working directory, the new exact match options, some more
whitespace variants, etc.
This also adds a git_futils_writebuffer helper function and uses
it in checkout. This is mainly added because I wanted an easy
way to write out a git_buf to disk inside my test code.
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03c28d92
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2013-05-06T06:45:53
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Merge pull request #1526 from arrbee/cleanup-error-return-without-msg
Make sure error messages are set for most error returns
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e09d18ee
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2013-05-03T18:39:44
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allow checkout to proceed when a dir to be removed is in use (win32)
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e830c020
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2013-05-01T13:50:39
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Report stat error when checking if file modified
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5b27bf7e
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2013-03-18T16:17:14
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Merge pull request #1417 from arrbee/opts-for-paths
Implement opts interface for global/system file search paths
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32460251
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2013-03-18T15:54:35
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Fixes and cleanups
Get rid of some dead code, tighten things up a bit, and fix a bug
with core::env test.
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41954a49
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2013-03-18T14:19:35
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Switch search paths to classic delimited strings
This switches the APIs for setting and getting the global/system
search paths from using git_strarray to using a simple string with
GIT_PATH_LIST_SEPARATOR delimited paths, just as the environment
PATH variable would contain. This makes it simpler to get and set
the value.
I also added code to expand "$PATH" when setting a new value to
embed the old value of the path. This means that I no longer
require separate actions to PREPEND to the value.
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10c06114
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2013-03-17T04:46:46
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Several warnings detected by static code analyzer fixed
Implicit type conversion argument of function to size_t type
Suspicious sequence of types castings: size_t -> int -> size_t
Consider reviewing the expression of the 'A = B == C' kind. The expression is calculated as following: 'A = (B == C)'
Unsigned type is never < 0
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