|
616628dd
|
2022-01-17T21:39:35
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|
Merge branch 'main' into typos
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|
90df4302
|
2022-01-05T12:18:05
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|
Fix typos
|
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|
83a1e614
|
2022-01-05T09:18:59
|
|
config: handle empty conditional in includeIf
When a config file contains `[includeIf]` (with no condition), we should
treat that as a falsey value. This means that we should properly parse
a config value of `includeIf.path`.
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|
dff05bc3
|
2021-11-25T11:40:20
|
|
Multiline config values not preserved on saving
(fixes issue #6088)
Signed-off-by: Sven Strickroth <email@cs-ware.de>
|
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|
854164a5
|
2021-11-25T11:02:41
|
|
Add more tests for contents
Signed-off-by: Sven Strickroth <email@cs-ware.de>
|
|
|
433edb54
|
2021-11-25T10:22:22
|
|
Config parsing confused by continuations that start with quotes
(fixes issue #6089)
Signed-off-by: Sven Strickroth <email@cs-ware.de>
|
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|
ca14942e
|
2021-11-11T13:28:08
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|
tests: declare functions statically where appropriate
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95117d47
|
2021-10-31T09:45:46
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|
path: separate git-specific path functions from util
Introduce `git_fs_path`, which operates on generic filesystem paths.
`git_path` will be kept for only git-specific path functionality (for
example, checking for `.git` in a path).
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|
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f0e693b1
|
2021-09-07T17:53:49
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|
str: introduce `git_str` for internal, `git_buf` is external
libgit2 has two distinct requirements that were previously solved by
`git_buf`. We require:
1. A general purpose string class that provides a number of utility APIs
for manipulating data (eg, concatenating, truncating, etc).
2. A structure that we can use to return strings to callers that they
can take ownership of.
By using a single class (`git_buf`) for both of these purposes, we have
confused the API to the point that refactorings are difficult and
reasoning about correctness is also difficult.
Move the utility class `git_buf` to be called `git_str`: this represents
its general purpose, as an internal string buffer class. The name also
is an homage to Junio Hamano ("gitstr").
The public API remains `git_buf`, and has a much smaller footprint. It
is generally only used as an "out" param with strict requirements that
follow the documentation. (Exceptions exist for some legacy APIs to
avoid breaking callers unnecessarily.)
Utility functions exist to convert a user-specified `git_buf` to a
`git_str` so that we can call internal functions, then converting it
back again.
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|
5eab4daf
|
2021-09-09T21:51:52
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|
Add test config parsing
This tests parsing a multiline string containing multiple quoted comment
chars. See #6019
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|
d17e67e6
|
2021-08-29T12:19:49
|
|
tests: change comments to c89 style
|
|
4bf136b0
|
2021-06-23T16:53:53
|
|
config: fix included configs not refreshed more than once
If an included config is refreshed twice, the second update is not taken
into account.
This is because the list of included files is cleared after re-reading
the new configuration, instead of being cleared before.
Fix it and add a test case to check for this bug.
|
|
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a1f0135d
|
2020-10-04T18:01:09
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|
Merge pull request #5626 from csware/parse_bool
boolean config parsing fails in some cases with mapped values
|
|
|
6ac18625
|
2020-09-09T17:51:38
|
|
Fix config file parsing with multi line values containing quoted parts
Signed-off-by: Sven Strickroth <email@cs-ware.de>
|
|
|
c464f123
|
2020-09-09T15:41:12
|
|
Improve formatting
Signed-off-by: Sven Strickroth <email@cs-ware.de>
|
|
|
b97f41db
|
2020-09-09T15:38:20
|
|
Add boolean tests for "on" and "off"
Signed-off-by: Sven Strickroth <email@cs-ware.de>
|
|
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36cf1db2
|
2020-09-09T12:26:34
|
|
Support empty values for git_config_get_mapped and git_config_lookup_map_value
Signed-off-by: Sven Strickroth <email@cs-ware.de>
|
|
|
86d04918
|
2020-09-09T11:55:25
|
|
Fix parsing boolean config values when using git_config_get_mapped and git_config_lookup_map_value
Signed-off-by: Sven Strickroth <email@cs-ware.de>
|
|
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9df69223
|
2020-05-23T11:42:19
|
|
config: test that unreadable files are treated as notfound
|
|
2e6cbff8
|
2020-02-07T11:53:51
|
|
tests: add missing error checks
We should always verify error codes returned by function calls in our
test suite to not accidentally miss any weird results. Coverity reported
missing checks in several locations, which this commit fixes.
|
|
|
361ebbcb
|
2019-11-28T15:36:40
|
|
tests: config: only test parsing huge file with GITTEST_INVASIVE_SPEED
The test in config::stress::huge_section_with_many_values takes quite a
long time to execute. Hide it behind the GITTEST_INVASIVE_SPEED
environment varibale to not needlessly blow up execution time of tests.
As this environment variable is being set by the continuous integration,
we will execute it regularly anyway.
|
|
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61176a9b
|
2019-11-28T14:31:16
|
|
Merge pull request #5243 from pks-t/pks/config-optimize-mem
Memory optimizations for config entries
|
|
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146e5bf7
|
2019-11-06T07:27:35
|
|
config_mem: implement support for snapshots
Similar as in commit dadbb33b6 (Fix crash if snapshotting a
config_snapshot, 2019-11-01), let's implement snapshots for in-memory
configuration entries. As this deletes more code than it adds, it
doesn't make any sense to not allow for this and allows users to treat
config backends mostly the same.
|
|
|
b7dcea04
|
2019-09-26T15:06:12
|
|
config_entries: micro-optimize storage of multivars
Multivars are configuration entries that have many values for the same
name; we can thus micro-optimize this case by just retaining the name of
the first configuration entry and freeing all the others, letting them
point to the string of the first entry.
The attached test case is an extreme example that demonstrates this. It
contains a section name that is approximately 500kB in size with 20.000
entries "a=b". Without the optimization, this would require at least
20000*500kB bytes, which is around 10GB. With this patch, it only
requires 500kB+20000*1B=20500kB.
The obvious culprit here is the section header, which we repeatedly
include in each of the configuration entry's names. This makes it very
easier for an adversary to provide a small configuration file that
disproportionally blows up in memory during processing and is thus a
feasible way for a denial-of-service attack. Unfortunately, we cannot
fix the root cause by e.g. having a separate "section" field that may
easily be deduplicated due to the `git_config_entry` structure being
part of our public API. So this micro-optimization is the best we can do
for now.
|
|
|
dadbb33b
|
2019-11-01T18:55:54
|
|
Fix crash if snapshotting a config_snapshot
Signed-off-by: Sven Strickroth <email@cs-ware.de>
|
|
|
722ba93f
|
2019-08-01T15:14:06
|
|
config: implement "onbranch" conditional
With Git v2.23.0, the conditional include mechanism gained another new
conditional "onbranch". As the name says, it will cause a file to be
included if the "onbranch" pattern matches the currently checked out
branch.
Implement this new condition and add a bunch of tests.
|
|
|
e208b195
|
2019-08-01T13:42:19
|
|
tests: config: catch OOM when assembling conditional config
When assembling contents of the conditionally including file, we use
`git_buf_printf` and `git_buf_puts` without checking for error returns.
Add `cl_git_pass` to fix this.
|
|
|
835211dc
|
2019-08-01T13:23:16
|
|
tests: config: assert behaviour around includes
Add a few tests that verify some behaviour centered around includes. The
first set of tests verifies that we correctly override values depending
on the order of includes and other keys, the second set asserts that we
can correctly snapshot configuration files with includes.
|
|
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304e58c0
|
2019-08-01T13:20:17
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|
tests: config::snapshot: modernize tests
Modernize the tests in config::snapshot to make them easier to
understand. Most important, include a cleanup function that frees config
and snapshot and unlink config files at the end of each test.
|
|
|
2766b92d
|
2019-07-21T15:10:34
|
|
config_file: refresh when creating an iterator
When creating a new iterator for a config file backend, then we should
always make sure that we're up to date by calling `config_refresh`.
Otherwise, we might not notice when another process has modified the
configuration file and thus will represent outdated values.
Add two tests to config::stress that verify that we get up-to-date
values when reading configuration entries via `git_config_iterator`.
|
|
|
e54343a4
|
2019-06-29T09:17:32
|
|
fileops: rename to "futils.h" to match function signatures
Our file utils functions all have a "futils" prefix, e.g.
`git_futils_touch`. One would thus naturally guess that their
definitions and implementation would live in files "futils.h" and
"futils.c", respectively, but in fact they live in "fileops.h".
Rename the files to match expectations.
|
|
|
d7f58eab
|
2019-06-21T11:55:21
|
|
config_file: implement stat cache to avoid repeated rehashing
To decide whether a config file has changed, we always hash its
complete contents. This is unnecessarily expensive, as
well-behaved filesystems will always update stat information for
files which have changed. So before computing the hash, we should
first check whether the stat info has actually changed for either
the configuration file or any of its includes. This avoids having
to re-read the configuration file and its includes every time
when we check whether it's been modified.
Tracing the for-each-ref example previous to this commit, one can
see that we repeatedly re-open both the repo configuration as
well as the global configuration:
$ strace lg2 for-each-ref |& grep config
access("/home/pks/.gitconfig", F_OK) = -1 ENOENT (No such file or directory)
access("/home/pks/.config/git/config", F_OK) = 0
access("/etc/gitconfig", F_OK) = -1 ENOENT (No such file or directory)
stat("/tmp/repo/.git/config", {st_mode=S_IFREG|0644, st_size=92, ...}) = 0
access("/tmp/repo/.git/config", F_OK) = 0
stat("/tmp/repo/.git/config", {st_mode=S_IFREG|0644, st_size=92, ...}) = 0
open("/tmp/repo/.git/config", O_RDONLY|O_CLOEXEC) = 3
stat("/home/pks/.gitconfig", 0x7ffd15c05290) = -1 ENOENT (No such file or directory)
access("/home/pks/.gitconfig", F_OK) = -1 ENOENT (No such file or directory)
stat("/home/pks/.config/git/config", {st_mode=S_IFREG|0644, st_size=1154, ...}) = 0
access("/home/pks/.config/git/config", F_OK) = 0
stat("/home/pks/.config/git/config", {st_mode=S_IFREG|0644, st_size=1154, ...}) = 0
open("/home/pks/.config/git/config", O_RDONLY|O_CLOEXEC) = 3
stat("/tmp/repo/.git/config", {st_mode=S_IFREG|0644, st_size=92, ...}) = 0
open("/tmp/repo/.git/config", O_RDONLY|O_CLOEXEC) = 3
stat("/home/pks/.gitconfig", 0x7ffd15c051f0) = -1 ENOENT (No such file or directory)
stat("/home/pks/.config/git/config", {st_mode=S_IFREG|0644, st_size=1154, ...}) = 0
open("/home/pks/.config/git/config", O_RDONLY|O_CLOEXEC) = 3
stat("/tmp/repo/.git/config", {st_mode=S_IFREG|0644, st_size=92, ...}) = 0
open("/tmp/repo/.git/config", O_RDONLY|O_CLOEXEC) = 3
stat("/home/pks/.gitconfig", 0x7ffd15c05090) = -1 ENOENT (No such file or directory)
stat("/home/pks/.config/git/config", {st_mode=S_IFREG|0644, st_size=1154, ...}) = 0
open("/home/pks/.config/git/config", O_RDONLY|O_CLOEXEC) = 3
stat("/tmp/repo/.git/config", {st_mode=S_IFREG|0644, st_size=92, ...}) = 0
open("/tmp/repo/.git/config", O_RDONLY|O_CLOEXEC) = 3
stat("/home/pks/.gitconfig", 0x7ffd15c05090) = -1 ENOENT (No such file or directory)
stat("/home/pks/.config/git/config", {st_mode=S_IFREG|0644, st_size=1154, ...}) = 0
open("/home/pks/.config/git/config", O_RDONLY|O_CLOEXEC) = 3
stat("/tmp/repo/.git/config", {st_mode=S_IFREG|0644, st_size=92, ...}) = 0
open("/tmp/repo/.git/config", O_RDONLY|O_CLOEXEC) = 3
stat("/home/pks/.gitconfig", 0x7ffd15c05090) = -1 ENOENT (No such file or directory)
stat("/home/pks/.config/git/config", {st_mode=S_IFREG|0644, st_size=1154, ...}) = 0
open("/home/pks/.config/git/config", O_RDONLY|O_CLOEXEC) = 3
With the change, we only do stats for those files and open them a
single time, only:
$ strace lg2 for-each-ref |& grep config
access("/home/pks/.gitconfig", F_OK) = -1 ENOENT (No such file or directory)
access("/home/pks/.config/git/config", F_OK) = 0
access("/etc/gitconfig", F_OK) = -1 ENOENT (No such file or directory)
stat("/tmp/repo/.git/config", {st_mode=S_IFREG|0644, st_size=92, ...}) = 0
access("/tmp/repo/.git/config", F_OK) = 0
stat("/tmp/repo/.git/config", {st_mode=S_IFREG|0644, st_size=92, ...}) = 0
stat("/tmp/repo/.git/config", {st_mode=S_IFREG|0644, st_size=92, ...}) = 0
open("/tmp/repo/.git/config", O_RDONLY|O_CLOEXEC) = 3
stat("/home/pks/.gitconfig", 0x7ffe70540d20) = -1 ENOENT (No such file or directory)
access("/home/pks/.gitconfig", F_OK) = -1 ENOENT (No such file or directory)
stat("/home/pks/.config/git/config", {st_mode=S_IFREG|0644, st_size=1154, ...}) = 0
access("/home/pks/.config/git/config", F_OK) = 0
stat("/home/pks/.config/git/config", {st_mode=S_IFREG|0644, st_size=1154, ...}) = 0
stat("/home/pks/.config/git/config", {st_mode=S_IFREG|0644, st_size=1154, ...}) = 0
open("/home/pks/.config/git/config", O_RDONLY|O_CLOEXEC) = 3
stat("/tmp/repo/.git/config", {st_mode=S_IFREG|0644, st_size=92, ...}) = 0
stat("/home/pks/.gitconfig", 0x7ffe70540ca0) = -1 ENOENT (No such file or directory)
stat("/home/pks/.gitconfig", 0x7ffe70540c80) = -1 ENOENT (No such file or directory)
stat("/home/pks/.config/git/config", {st_mode=S_IFREG|0644, st_size=1154, ...}) = 0
stat("/tmp/repo/.git/config", {st_mode=S_IFREG|0644, st_size=92, ...}) = 0
stat("/home/pks/.gitconfig", 0x7ffe70540b40) = -1 ENOENT (No such file or directory)
stat("/home/pks/.gitconfig", 0x7ffe70540b20) = -1 ENOENT (No such file or directory)
stat("/home/pks/.config/git/config", {st_mode=S_IFREG|0644, st_size=1154, ...}) = 0
stat("/tmp/repo/.git/config", {st_mode=S_IFREG|0644, st_size=92, ...}) = 0
stat("/home/pks/.gitconfig", 0x7ffe70540b40) = -1 ENOENT (No such file or directory)
stat("/home/pks/.gitconfig", 0x7ffe70540b20) = -1 ENOENT (No such file or directory)
stat("/home/pks/.config/git/config", {st_mode=S_IFREG|0644, st_size=1154, ...}) = 0
stat("/tmp/repo/.git/config", {st_mode=S_IFREG|0644, st_size=92, ...}) = 0
stat("/home/pks/.gitconfig", 0x7ffe70540b40) = -1 ENOENT (No such file or directory)
stat("/home/pks/.gitconfig", 0x7ffe70540b20) = -1 ENOENT (No such file or directory)
stat("/home/pks/.config/git/config", {st_mode=S_IFREG|0644, st_size=1154, ...}) = 0
The following benchmark has been performed with and without the
stat cache in a best-of-ten run:
```
int lg2_repro(git_repository *repo, int argc, char **argv)
{
git_config *cfg;
int32_t dummy;
int i;
UNUSED(argc);
UNUSED(argv);
check_lg2(git_repository_config(&cfg, repo),
"Could not obtain config", NULL);
for (i = 1; i < 100000; ++i)
git_config_get_int32(&dummy, cfg, "foo.bar");
git_config_free(cfg);
return 0;
}
```
Without stat cache:
$ time lg2 repro
real 0m1.528s
user 0m0.568s
sys 0m0.944s
With stat cache:
$ time lg2 repro
real 0m0.526s
user 0m0.268s
sys 0m0.258s
This benchmark shows a nearly three-fold performance improvement.
This change requires that we check our configuration stress tests
as we're now in fact becoming more racy. If somebody is writing a
configuration file at nearly the same time (there is a window of
100ns on Windows-based systems), then it might be that we realize
that this file has actually changed and thus may not re-read it.
This will only happen if either an external process is rewriting
the configuration file or if the same process has multiple
`git_config` structures pointing to the same time, where one of
both is being used to write and the other one is used to read
values.
|
|
|
5811e3ba
|
2019-06-13T19:16:32
|
|
config_file: use `wildmatch` to evaluate conditionals
We currently use `p_fnmatch` to compute whether a given "gitdir:"
or "gitdir/i:" conditional matches the current configuration file
path. As git.git has moved to use `wildmatch` instead of
`p_fnmatch` throughout its complete codebase, we evaluate
conditionals inconsistently with git.git in some special cases.
Convert `p_fnmatch` to use `wildmatch`. The `FNM_LEADINGDIR` flag
cannot be translated to `wildmatch`, but in fact git.git doesn't
use it here either. And in fact, dropping it while we go
increases compatibility with git.git.
|
|
|
cf1a114b
|
2019-06-13T19:10:22
|
|
config_file: do not include trailing '/' for "gitdir" conditionals
When evaluating "gitdir:" and "gitdir/i:" conditionals, we
currently compare the given pattern with the value of
`git_repository_path`. Thing is though that `git_repository_path`
returns the gitdir path with trailing '/', while we actually need
to match against the gitdir without it.
Fix this issue by stripping the trailing '/' previous to
matching. Add various tests to ensure we get this right.
|
|
|
23c5699e
|
2019-05-16T09:37:25
|
|
config: validate quoted section value
When we reach a whitespace after a section name, we assume that what
will follow will be a quoted subsection name. Pass the current position
of the line being parsed to the subsection parser, so that it can
validate that subsequent characters are additional whitespace or a
single quote.
Previously we would begin parsing after the section name, looking for
the first quotation mark. This allows invalid characters to embed
themselves between the end of the section name and the first quotation
mark, eg `[section foo "subsection"]`, which is illegal.
|
|
e44110db
|
2019-03-20T12:28:45
|
|
Correctly write to missing locked global config
Opening a default config when ~/.gitconfig doesn't exist, locking it,
and attempting to write to it causes an assertion failure.
Treat non-existent global config file content as an empty string.
|
|
|
8cf3fd93
|
2019-03-29T11:23:29
|
|
tests: config: assure that we can read symlinked global configuration
According to reports, libgit2 is unable to read a global configuration
file that is simply a symlink to the real configuration. Write a
(succeeding) test that shows that libgit2 _is_ correctly able to do so.
|
|
|
b3ba2e71
|
2019-03-29T11:15:26
|
|
tests: config: verify that the global config is actually readable
While we do verify that we are able to open the global ".gitconfig" file
in config::global::open_global, we never verify that we it is in fact
readable. Do so by writing the global configuration file and verifying
that reading from it produces the expected values.
|
|
|
fa4505e6
|
2019-03-29T11:30:29
|
|
tests: config: make sure to clean up after each test
The config::global test suite creates various different directories and
files which are being populated with pretend-global files.
Unfortunately, the tests do not clean up after themselves, which may
cause subsequent tests to fail due to cruft left behind.
Fix this by always removing created directories and their contents.
|
|
|
f673e232
|
2018-12-27T13:47:34
|
|
git_error: use new names in internal APIs and usage
Move to the `git_error` name in the internal API for error-related
functions.
|
|
|
43cbe6b7
|
2018-11-28T13:36:47
|
|
config: fix adding files if their parent directory is a file
When we try to add a configuration file with `git_config_add_file_ondisk`, we
treat nonexisting files as empty. We do this by performing a stat call, ignoring
ENOENT errors. This works just fine in case the file or any of its parents
simply does not exist, but there is also the case where any of the parent
directories is not a directory, but a file. So e.g. trying to add a
configuration file "/dev/null/.gitconfig" will fail, as `errno` will be ENOTDIR
instead of ENOENT.
Catch ENOTDIR in addition to ENOENT to fix the issue. Add a test that verifies
we are able to add configuration files with such an invalid path file just fine.
|
|
1cbc9604
|
2018-09-28T10:57:50
|
|
config: add failing test for no newline after section header
|
|
|
814e7acb
|
2018-10-12T12:38:06
|
|
Merge pull request #4842 from nelhage/fuzz-config-memory
config: Port config_file_fuzzer to the new in-memory backend.
|
|
2d449a11
|
2018-10-09T02:42:14
|
|
config: Refactor `git_config_backend_from_string` to take a length
|
|
|
d06d4220
|
2018-10-05T10:56:02
|
|
config_file: properly ignore includes without "path" value
In case a configuration includes a key "include.path=" without any
value, the generated configuration entry will have its value set to
`NULL`. This is unexpected by the logic handling includes, and as soon
as we try to calculate the included path we will unconditionally
dereference that `NULL` pointer and thus segfault.
Fix the issue by returning early in both `parse_include` and
`parse_conditional_include` in case where the `file` argument is `NULL`.
Add a test to avoid future regression.
The issue has been found by the oss-fuzz project, issue 10810.
|
|
|
bf662f7c
|
2018-10-05T10:55:29
|
|
tests: always unlink created config files
While our tests in config::include create a plethora of configuration
files, most of them do not get removed at the end of each test. This can
cause weird interactions with tests that are being run at a later stage
if these later tests try to create files or directories with the same
name as any of the created configuration files.
Fix the issue by unlinking all created files at the end of these tests.
|
|
|
2be39cef
|
2018-08-10T19:38:57
|
|
config: introduce new read-only in-memory backend
Now that we have abstracted away how to store and retrieve config
entries, it became trivial to implement a new in-memory backend by
making use of this. And thus we do so.
This commit implements a new read-only in-memory backend that can parse
a chunk of memory into a `git_config_backend` structure.
|
|
|
b944e137
|
2018-08-10T13:03:33
|
|
config: rename "config_file.h" to "config_backend.h"
The header "config_file.h" has a list of inline-functions to access the
contents of a config backend without directly messing with the struct's
function pointers. While all these functions are called
"git_config_file_*", they are in fact completely backend-agnostic and
don't care whether it is a file or not. Rename all the function to
instead be backend-agnostic versions called "git_config_backend_*" and
rename the header to match.
|
|
|
6698e056
|
2018-08-14T04:22:14
|
|
Fix the test and comment.
|
|
|
f1409500
|
2018-08-14T03:54:01
|
|
Write a test.
|
|
|
9994cd3f
|
2018-06-25T11:56:52
|
|
treewide: remove use of C++ style comments
C++ style comment ("//") are not specified by the ISO C90 standard and
thus do not conform to it. While libgit2 aims to conform to C90, we did
not enforce it until now, which is why quite a lot of these
non-conforming comments have snuck into our codebase. Do a tree-wide
conversion of all C++ style comments to the supported C style comments
to allow us enforcing strict C90 compliance in a later commit.
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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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6a15f657
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2018-02-09T13:02:26
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config_file: iterate over keys in the order they were added
Currently, all configuration entries were only held in a string map,
making iteration order mostly based on the hash of each entry's key. Now
that we have extended the `diskfile_entries` structure by a list of
config entries, we can effectively iterate through entries in the order
they were added, though.
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2eea5f1c
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2018-02-08T10:27:31
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config_parse: fix reading files with BOM
The function `skip_bom` is being used to detect and skip BOM marks
previously to parsing a configuration file. To do so, it simply uses
`git_buf_text_detect_bom`. But since the refactoring to use the parser
interface in commit 9e66590bd (config_parse: use common parser
interface, 2017-07-21), the BOM detection was actually broken.
The issue stems from a misunderstanding of `git_buf_text_detect_bom`. It
was assumed that its third parameter limits the length of the character
sequence that is to be analyzed, while in fact it was an offset at which
we want to detect the BOM. Fix the parameter to be `0` instead of the
buffer length, as we always want to check the beginning of the
configuration file.
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848153f3
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2018-02-08T10:02:29
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config_parse: handle empty lines with CRLF
Currently, the configuration parser will fail reading empty lines with
just an CRLF-style line ending. Special-case the '\r' character in order
to handle it the same as Unix-style line endings. Add tests to spot this
regression in the future.
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42627933
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2017-11-04T18:03:26
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Merge remote-tracking branch 'upstream/master' into pks/conditional-includes
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c44b9170
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2017-10-31T09:52:33
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tests: resolve the real path for the sandbox in includeIf tests
We put our repository in the temporary directory which makes macOS map the path
into a virtual path. `realpath(3)` can resolve it and we do so during repository
opening, but that makes its path have a different prefix from the sandbox path
clar thinks we have.
Resolve the sandbox path before putting it into the test config files so the
paths match as expected.
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bb8bc4b8
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2017-10-30T06:21:55
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config: add failing test for preserving case when writing keys
While most parts of a configuration key are case-insensitive, we should still be
case-preserving and write down whatever string the caller provided.
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f7d837c8
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2017-05-24T12:12:29
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config_file: implement "gitdir/i" conditional
Next to the "gitdir" conditional for including other configuration
files, there's also a "gitdir/i" conditional. In contrast to the former
one, path matching with "gitdir/i" is done case-insensitively. This
commit implements the case-insensitive condition.
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071b6c06
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2017-05-24T11:13:36
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config_file: implement conditional "gitdir" includes
Upstream git.git has implemented the ability to include other
configuration files based on conditions. Right now, this only includes
the ability to include a file based on the gitdir-location of the
repository the currently parsed configuration file belongs to. This
commit implements handling these conditional includes for the
case-sensitive "gitdir" condition.
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529e873c
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2017-05-23T11:51:00
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config: pass repository when opening config files
Our current configuration logic is completely oblivious of any
repository, but only cares for actual file paths. Unfortunately, we are
forced to break this assumption by the introduction of conditional
includes, which are evaluated in the context of a repository. Right now,
only one conditional exists with "gitdir:" -- it will only include the
configuration if the current repository's git directory matches the
value passed to "gitdir:".
To support these conditionals, we have to break our API and make the
repository available when opening a configuration file. This commit
extends the `open` call of configuration backends to include another
repository and adjusts existing code to have it available. This includes
the user-visible functions `git_config_add_file_ondisk` and
`git_config_add_backend`.
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1b329089
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2017-05-31T22:27:19
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config_file: refuse modifying included variables
Modifying variables pulled in by an included file currently succeeds,
but it doesn't actually do what one would expect, as refreshing the
configuration will cause the values to reappear. As we are currently not
really able to support this use case, we will instead just return an
error for deleting and setting variables which were included via an
include.
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28c2cc3d
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2017-05-31T16:41:44
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config_file: move reader into `config_read` only
Right now, we have multiple call sites which initialize a `reader`
structure. As the structure is only actually used inside of
`config_read`, we can instead just move the reader inside of the
`config_read` function. Instead, we can just pass in the configuration
file into `config_read`, which eases code readability.
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83bcd3a1
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2017-05-31T22:45:25
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config_file: refresh all files if includes were modified
Currently, we only re-parse the top-level configuration file when it has
changed itself. This can cause problems when an include is changed, as
we were not updating all values correctly.
Instead of conditionally reparsing only refreshed files, the logic
becomes much clearer and easier to follow if we always re-parse the
top-level configuration file when either the file itself or one of its
included configuration files has changed on disk. This commit implements
this logic.
Note that this might impact performance in some cases, as we need to
re-read all configuration files whenever any of the included files
changed. It could increase performance to just re-parse include files
which have actually changed, but this would compromise maintainability
of the code without much gain. The only case where we will gain anything
is when we actually use includes and when only these includes are
updated, which will probably be quite an unusual scenario to actually be
worthwhile to optimize.
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6f7aab0c
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2017-06-06T09:45:11
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tests: config::include: use init and cleanup functions
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1f7af277
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2017-07-05T11:52:47
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tests: config: fix missing declaration causing error
On systems where we pull in our distributed version of the regex
library, all tests in config::readonly fail. This error is actually
quite interesting: the test suite is unable to find the declaration of
`git_path_exists` and assumes it has a signature of `int
git_path_exists(const char *)`. But actually, it has a `bool` return
value. Due to this confusion, some wrong conversion is done by the
compiler and the `cl_assert(!git_path_exists("file"))` checks
erroneously fail, even when the function does in fact return the correct
value.
The error is actually introduced by 56893bb9a (cmake: consistently use
TARGET_INCLUDE_DIRECTORIES if available, 2017-06-28), unfortunately
introduced by myself. Due to the delayed addition of include
directories, we will now find the "config.h" header inside of the
"deps/regex" directory instead of inside the "src/" directory, where it
should be. As such, we are missing definitions for the
`git_config_file__ondisk` and `git_path_exists` symbols.
The correct fix here would be to fix the order in which include search
directories are added. But due to the current restructuring of
CMakeBuild.txt, I'm refraining from doing so and delay the proper fix a
bit. Instead, we paper over the issue by explicitly including "path.h"
to fix its prototype. This ignores the issue that
`git_config_file__ondisk` is undeclared, as its signature is correctly
identified by the compiler.
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a1023a43
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2017-05-20T17:18:07
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Merge pull request #4179 from libgit2/ethomson/expand_tilde
Introduce home directory expansion function for config files, attribute files
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2a7086fa
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2017-04-25T13:23:04
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tests: config: verify functionality with read-only backends
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ed812ee7
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2017-03-23T12:03:29
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config::include: sanitize homedir
Sanitize the home directory to ensure that we do not accidentally locate
a file called `~/.nonexistentfile`.
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047fe29c
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2016-06-20T13:05:48
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add failing test to include a missing config file relative to home dir
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17442b28
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2016-03-30T17:47:05
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leaks: fix some leaks in the tests
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2f0450f4
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2016-03-29T03:26:43
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Merge pull request #3712 from ethomson/config_duplicate_section
config: don't write duplicate section
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76e1a679
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2016-03-28T08:56:13
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config::write::repeated: init our buffer
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3e95bd36
|
2016-03-04T14:51:16
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config: show we write a spurious duplicated section header
We should notice that we are in the correct section to add. This is a
cosmetic bug, since replacing any of these settings does work.
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6f09911c
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2016-03-21T21:10:26
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config: don't special-case multivars that don't exist yet
This special-casing ignores that we might have a locked file, so the
hashtable does not represent the contents of the file we want to
write. This causes multivar writes to overwrite entries instead of add
to them when under lock.
There is no need for this as the normal code-path will write to the file
just fine, so simply get rid of it.
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9031be18
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2015-11-24T14:38:17
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tests: config::stress: free `git_config` structs
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c8fab201
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2015-11-24T14:29:32
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tests: config::global: fix memleak in open_programdata
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6f7c4118
|
2015-11-17T08:38:46
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config::global: use PROGRAMDATA configuration
Query the `GIT_CONFIG_LEVEL_PROGRAMDATA` location when setting it up
for tests, in case the test runner has sandboxed it.
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a2f96479
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2015-10-29T20:31:25
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config: add failing test for an external modification
We currently use the timestamp in order to decide whether a config file
has changed since we last read it.
This scheme falls down if the file is written twice within the same
second, as we fail to detect the file change after the first read in
that second.
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8c7c5fa5
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2015-10-20T17:42:42
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config: add a ProgramData level
This is where portable git stores the global configuration which we can
use to adhere to it even though git isn't quite installed on the system.
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08313c4b
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2015-09-18T11:30:50
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config: test that comments are left as with git
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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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548cb334
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2015-09-13T16:32:24
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Don't free config in `git_transaction_commit`.
The config is not owned by the transaction, so please don’t free it.
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5340d63d
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2015-07-12T12:50:23
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config: perform unlocking via git_transaction
This makes the API for commiting or discarding changes the same as for
references.
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36f784b5
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2015-06-01T20:02:23
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config: expose locking via the main API
This lock/unlock pair allows for the cller to lock a configuration file
to avoid concurrent operations.
It also allows for a transactional approach to updating a configuration
file. If multiple updates must be made atomically, they can be done
while the config is locked.
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b1667039
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2015-06-01T19:17:03
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config: implement basic transactional support
When a configuration file is locked, any updates made to it will be done
to the in-memory copy of the file. This allows for multiple updates to
happen while we hold the lock, preventing races during complex
config-file manipulation.
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d6b7e404
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2015-05-04T07:36:21
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config: test all multivars are updated
If a multivar exists within two sections (of the same name)
then they should both be updated in a `set_multivar`. Ensure
that this is the case.
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0daf998d
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2015-04-27T16:31:18
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config: use wildcard in test instead of empty expr
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63c0cc65
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2015-04-27T16:29:00
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config: cleanup some now-unused variables
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5a70df94
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2015-04-21T15:57:20
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Test setting config var under duplicate header.
Add a test that exposes a bug in config_write.
It is valid to have multiple separate headers for the same config section, but
config_write will exit after finding the first matching section in certain
situations.
This test proves that config_write will duplicate a variable that already
exists instead of overwriting it if the variable is defined under a duplicate
section header.
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bf99390e
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2015-04-23T16:54:36
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config: examine whole file when writing
Previously we would try to be clever when writing the configuration
file and try to stop parsing (and simply copy the rest of the old
file) when we either found the value we were trying to write,
or when we left the section that value was in, the assumption being
that there was no more work to do.
Regrettably, you can have another section with the same name later
in the file, and we must cope with that gracefully, thus we read the
whole file in order to write a new file.
Now, writing a file looks even more than reading. Pull the config
parsing out into its own function that can be used by both reading
and writing the configuration.
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f79c7322
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2015-04-23T12:00:05
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config: test overwriting cvar in multiple regions
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7ee61b8e
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2015-04-21T17:18:21
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config: ensure we can write to an empty file
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6dc55872
|
2015-04-21T17:18:21
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config: ensure we can write to an empty file
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23fb4004
|
2015-04-21T12:49:57
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config: test that we validate the key
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f56a417d
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2015-04-16T15:20:33
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Specify mock config file content in test.
Instead of using a config file in resources, include the config file content to
be tested directly in the test.
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a060cccc
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2015-04-16T10:53:22
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Unittest to validate config entry deletion bug.
Add a unittest to validate bug #3043, where a duplicate empty config header
could cause deletion of a config entry to fail silently. The bug is currently
unresolved and this test will fail.
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e009a705
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2015-04-20T00:22:20
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config_file: comment char can be invalid escape
Don't assume that comment chars are comment chars, they may be (an
attempt to be escaped). If so, \; is not a valid escape sequence,
complain.
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7f2e61f3
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2015-04-19T23:55:02
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config_file: parse multilines generously
Combine unquoting and multiline detection to avoid ambiguity when
parsing.
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129022ee
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2015-04-10T09:36:38
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Fix checking of return value for regcomp.
The regcomp function returns a non-zero value if compilation of
a regular expression fails. In most places we only check for
negative values, but positive values indicate an error, as well.
Fix this tree-wide, fixing a segmentation fault when calling
git_config_iterator_glob_new with an invalid regexp.
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