| Age | Commit message (Collapse) | Author | Files | Lines |
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Test clean-up.
* dl/test-must-fail-fixes:
t1507: inline full_name()
t1507: run commands within test_expect_success
t1507: stop losing return codes of git commands
t1501: remove use of `test_might_fail cp`
t1409: use test_path_is_missing()
t1409: let sed open its own input file
t1307: reorder `nongit test_must_fail`
t1306: convert `test_might_fail rm` to `rm -f`
t0020: use ! check_packed_refs_marked
t0020: don't use `test_must_fail has_cr`
t0003: don't use `test_must_fail attr_check`
t0003: use test_must_be_empty()
t0003: use named parameters in attr_check()
t0000: replace test_must_fail with run_sub_test_lib_test_err()
t/lib-git-p4: use test_path_is_missing()
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* maint:
.mailmap: map Yi-Jyun Pan's email
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Doc updates.
* bc/misconception-doc:
docs: mention when increasing http.postBuffer is valuable
doc: dissuade users from trying to ignore tracked files
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Clarify documentation on committer/author identities.
* bc/author-committer-doc:
doc: provide guidance on user.name format
docs: expand on possible and recommended user config options
doc: move author and committer information to git-commit(1)
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Test style updates.
* ss/t6025-modernize:
t6025: use helpers to replace test -f <path>
t6025: modernize style
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Replace "git config --bool" calls with "git config --type=bool" in
sample templates.
* lh/bool-to-type-bool:
templates: fix deprecated type option `--bool`
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"git fetch --refmap=" option has got a better documentation.
* ds/refmap-doc:
fetch: document and test --refmap=""
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Doc grammo fix.
* bc/actualmente:
docs: use "currently" for the present time
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Comments update.
* rt/submodule-i18n:
submodule.c: mark more strings for translation
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Minor bugfixes to "git add -i" that has recently been rewritten in C.
* js/builtin-add-i-cmds:
built-in add -i: accept open-ended ranges again
built-in add -i: do not try to `patch`/`diff` an empty list of files
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Test fixes.
* jk/test-fixes:
t7800: don't rely on reuse_worktree_file()
t4018: drop "debugging" cat from hunk-header tests
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Work around test breakages caused by custom regex engine used in
libasan, when address sanitizer is used with more recent versions
of gcc and clang.
* jk/asan-build-fix:
Makefile: use compat regex with SANITIZE=address
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The command line completion (in contrib/) learned to complete
subcommands and arguments to "git worktree".
* sg/completion-worktree:
completion: list paths and refs for 'git worktree add'
completion: list existing working trees for 'git worktree' subcommands
completion: simplify completing 'git worktree' subcommands and options
completion: return the index of found word from __git_find_on_cmdline()
completion: clean up the __git_find_on_cmdline() helper function
t9902-completion: add tests for the __git_find_on_cmdline() helper
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The test-lint machinery knew to check "VAR=VAL shell_function"
construct, but did not check "VAR= shell_funciton", which has been
corrected.
* jn/test-lint-one-shot-export-to-shell-function:
fetch test: mark test of "skipping" haves as v0-only
t/check-non-portable-shell: detect "FOO= shell_func", too
fetch test: avoid use of "VAR= cmd" with a shell function
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gpg.minTrustLevel configuration variable has been introduced to
tell various signature verification codepaths the required minimum
trust level.
* hi/gpg-mintrustlevel:
gpg-interface: add minTrustLevel as a configuration option
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More tests.
* am/test-pathspec-f-f-error-cases:
t: add tests for error conditions with --pathspec-from-file
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Rendering by "git log --graph" of ancestry lines leading to a merge
commit were made suboptimal to waste vertical space a bit with a
recent update, which has been corrected.
* ds/graph-horizontal-edges:
graph: fix collapse of multiple edges
graph: add test to demonstrate horizontal line bug
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Test updates.
* am/update-pathspec-f-f-tests:
t: directly test parse_pathspec_file()
t: fix quotes tests for --pathspec-from-file
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The code recently added in this release to move to the entry beyond
the ones in the same directory in the index in the sparse-cone mode
did not count the number of entries to skip over incorrectly, which
has been corrected.
* ds/sparse-cone:
.mailmap: fix GGG authoship screwup
unpack-trees: correctly compute result count
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Tell .editorconfig that in this project, *.txt files are indented
with tabs.
* hi/indent-text-with-tabs-in-editorconfig:
editorconfig: indent text files with tabs
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In 13185fd241 (l10n: zh_TW.po: update translation for v2.25.0 round 1,
2019-12-31), the author mistakenly used their GitHub username for
authorship information instead of their real name. However, a commit
with their real name exists prior to this: 9917eca794 (l10n: zh_TW: add
translation for v2.24.0, 2019-11-20).
Map their email to their real name so that these contributions can be
counted together.
Signed-off-by: Denton Liu <liu.denton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* maint:
.mailmap: fix erroneous authorship for Johannes Schindelin
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In 49e268e23e (mingw: safeguard better against backslashes in file
names, 2020-01-09), the commit author is listed as
"Johannes Schindelin via GitGitGadget <gitgitgadget@gmail.com>", which
is erroneous. Fix the authorship by mapping the erroneous authorship to
his canonical authorship information.
Signed-off-by: Denton Liu <liu.denton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git restore --staged" did not correctly update the cache-tree
structure, resulting in bogus trees to be written afterwards, which
has been corrected.
* nd/switch-and-restore:
restore: invalidate cache-tree when removing entries with --staged
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Reduce unnecessary round-trip when running "ls-remote" over the
stateless RPC mechanism.
* jk/no-flush-upon-disconnecting-slrpc-transport:
transport: don't flush when disconnecting stateless-rpc helper
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Complete an update to tutorial that encourages "git switch" over
"git checkout" that was done only half-way.
* hw/tutorial-favor-switch-over-checkout:
doc/gitcore-tutorial: fix prose to match example command
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The code that tries to skip over the entries for the paths in a
single directory using the cache-tree was not careful enough
against corrupt index file.
* es/unpack-trees-oob-fix:
unpack-trees: watch for out-of-range index position
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C pedantry ;-) fix.
* bc/run-command-nullness-after-free-fix:
run-command: avoid undefined behavior in exists_in_PATH
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API-doc update.
* en/string-list-can-be-custom-sorted:
string-list: note in docs that callers can specify sorting function
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Code simplification.
* en/simplify-check-updates-in-unpack-trees:
unpack-trees: exit check_updates() early if updates are not wanted
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has_object_file() said "no" given an object registered to the
system via pretend_object_file(), making it inconsistent with
read_object_file(), causing lazy fetch to attempt fetching an
empty tree from promisor remotes.
* jt/sha1-file-remove-oi-skip-cached:
sha1-file: remove OBJECT_INFO_SKIP_CACHED
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"git commit" gives output similar to "git status" when there is
nothing to commit, but without honoring the advise.statusHints
configuration variable, which has been corrected.
* hw/commit-advise-while-rejecting:
commit: honor advice.statusHints when rejecting an empty commit
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Sample credential helper for using .netrc has been updated to work
out of the box.
* dl/credential-netrc:
contrib/credential/netrc: work outside a repo
contrib/credential/netrc: make PERL_PATH configurable
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Users in a wide variety of situations find themselves with HTTP push
problems. Oftentimes these issues are due to antivirus software,
filtering proxies, or other man-in-the-middle situations; other times,
they are due to simple unreliability of the network.
However, a common solution to HTTP push problems found online is to
increase http.postBuffer. This works for none of the aforementioned
situations and is only useful in a small, highly restricted number of
cases: essentially, when the connection does not properly support
HTTP/1.1.
Document when raising this value is appropriate and what it actually
does, and discourage people from using it as a general solution for push
problems, since it is not effective there.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It is quite common for users to want to ignore the changes to a file
that Git tracks. Common scenarios for this case are IDE settings and
configuration files, which should generally not be tracked and possibly
generated from tracked files using a templating mechanism.
However, users learn about the assume-unchanged and skip-worktree bits
and try to use them to do this anyway. This is problematic, because
when these bits are set, many operations behave as the user expects, but
they usually do not help when git checkout needs to replace a file.
There is no sensible behavior in this case, because sometimes the data
is precious, such as certain configuration files, and sometimes it is
irrelevant data that the user would be happy to discard.
Since this is not a supported configuration and users are prone to
misuse the existing features for unintended purposes, causing general
sadness and confusion, let's document the existing behavior and the
pitfalls in the documentation for git update-index so that users know
they should explore alternate solutions.
In addition, let's provide a recommended solution to dealing with the
common case of configuration files, since there are well-known
approaches used successfully in many environments.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It's a frequent misconception that the user.name variable controls
authentication in some way, and as a result, beginning users frequently
attempt to change it when they're having authentication troubles.
Document that the convention is that this variable represents some form
of a human's personal name, although that is not required. In addition,
address concerns about whether Unicode is supported.
Use the term "personal name" as this is likely to draw the intended
contrast, be applicable across cultures which may have different naming
conventions, and be easily understandable to people who do not speak
English as their first language. Indicate that "some form" is
conventionally used, as people may use a nickname or preferred name
instead of a full legal name.
Point users who may be confused about authentication to an appropriate
configuration option instead. Provide a shortened form of this
information in the configuration option description.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In the section on setting author and committer information, we omit the
author.* and committer.* variables, so mention them for completeness.
In addition, guide users to the typical case: simply setting user.name
and user.email, which are recommended if one does not need complex
configuration.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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While at one time it made perfect sense to store information about
configuring author and committer information in the documentation for
git commit-tree, in modern Git that operation is seldom used. Most
users will use git commit and expect to find comprehensive documentation
about its use in the manual page for that command.
Considering that there is significant confusion about how one is to use
the user.name and user.email variables, let's put as much documentation
as possible into an obvious place where users will be more likely to
find it.
In addition, expand the environment variables section to describe their
use more fully. Even though we now describe all of the options there
and in the configuration settings documentation, preserve the existing
text in git-commit.txt so that people can easily reason about the
ordering of the various options they can use. Explain the use of the
author.* and committer.* options as well.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `--bool` option to `git-config` is marked as historical, and users are
recommended to use `--type=bool` instead. This commit replaces all occurrences
of `--bool` in the templates.
Also note that, no other deprecated type options are found, including `--int`,
`--bool-or-int`, `--path`, or `--expiry-date`.
Signed-off-by: Lucius Hu <orctarorga@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Take advantage of helper function 'test_path_is_file()' to
replace 'test -f' since the function makes the code more
readable and gives better error messages.
Signed-off-by: Shourya Shukla <shouryashukla.oo@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The tests in `t6025-merge-symlinks.sh` were written a long time ago, and
has a lot of style violations, including the mixed-use of tabs and spaces,
missing indentations, and other shell script style violations. Update it to
match the CodingGuidelines.
Signed-off-by: Shourya Shukla <shouryashukla.oo@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In many languages, the adverb with the root "actual" means "at the
present time." However, this usage is considered dated or even archaic
in English, and for referring to events occurring at the present time,
we usually prefer "currently" or "presently". "Actually" is commonly
used in modern English only for the meaning of "in fact" or to express a
contrast with what is expected.
Since the documentation refers to the available options at the present
time (that is, at the time of writing) instead of drawing a contrast,
let's switch to "currently," which both is commonly used and sounds less
formal than "presently."
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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To prevent long blocking time during a 'git fetch' call, a user
may want to set up a schedule for background 'git fetch' processes.
However, these runs will update the refs/remotes branches due to
the default refspec set in the config when Git adds a remote.
Hence the user will not notice when remote refs are updated during
their foreground fetches. In fact, they may _want_ those refs to
stay put so they can work with the refs from their last foreground
fetch call.
This can be accomplished by overriding the configured refspec using
'--refmap=' along with a custom refspec:
git fetch --refmap='' <remote> +refs/heads/*:refs/hidden/<remote>/*
to populate a custom ref space and download a pack of the new
reachable objects. This kind of call allows a few things to happen:
1. We download a new pack if refs have updated.
2. Since the refs/hidden branches exist, GC will not remove the
newly-downloaded data.
3. With fetch.writeCommitGraph enabled, the refs/hidden refs are
used to update the commit-graph file.
To avoid the refs/hidden directory from filling without bound, the
--prune option can be included. When providing a refspec like this,
the --prune option does not delete remote refs and instead only
deletes refs in the target refspace.
Update the documentation to clarify how '--refmap=""' works and
create tests to guarantee this behavior remains in the future.
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* maint:
msvc: accommodate for vcpkg's upgrade to OpenSSL v1.1.x
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A test in t7800 tries to make sure that when git-difftool runs an
external tool that fails, it stops looking at files. Our fake failing
tool prints the file name it was asked to diff before exiting non-zero,
and then we confirm the output contains only that file.
However, this subtly relies on our internal reuse_worktree_file().
Because we're diffing between branches, the command run by difftool
might see:
- the git-stored filename (e.g., "file"), if we decided that the
working tree contents were up-to-date with the object in the index
and HEAD, and we could reuse them
- a temporary filename (e.g. "/tmp/abc123_file") if we had to dump the
contents from the object database
If the latter case happens, then the test fails, because it's expecting
the string "file". I discovered this when debugging something unrelated
with reuse_worktree_file(). I _thought_ it should be able to be
triggered by a racy-git situation, but running:
./t7800-difftool.sh --stress --run=2,13
never seems to fail. However, by my reading of reuse_worktree_file(),
this would probably always fail under Cygwin, because it sets
NO_FAST_WORKING_DIRECTORY. At any rate, since reuse_worktree_file()
is meant to be an optimization that may or may not trigger, our test
should be robust either way.
Instead of checking the filename, let's just make sure we got a single
line of output (which would not be true if we continued after the first
failure).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We run a series of hunk-header tests in a loop, and each one does this:
test_when_finished 'cat actual' && # for debugging only
This is pretty pointless. When the test succeeds, we waste time running
a useless cat process. If you're debugging a failure with "-i", then we
won't run the when-finished part at all. So it helps only if you're
running with something like "--verbose-log".
Since we expect the tests to succeed most of the time, a better way to
do this would be a helper that checks the output and dumps "actual" only
when it fails. But it's probably not even worth the effort, as anyone
debugging a failure could just run with "-i" and investigate the
"actual" file themselves.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Recent versions of the gcc and clang Address Sanitizer produce test
failures related to regexec(). This triggers with gcc-10 and clang-8
(but not gcc-9 nor clang-7). Running:
make CC=gcc-10 SANITIZE=address test
results in failures in t4018, t3206, and t4062.
The cause seems to be that when built with ASan, we use a different
version of regexec() than normal. And this version doesn't understand
the REG_STARTEND flag. Here's my evidence supporting that.
The failure in t4062 is an ASan warning:
expecting success of 4062.2 '-G matches':
git diff --name-only -G "^(0{64}){64}$" HEAD^ >out &&
test 4096-zeroes.txt = "$(cat out)"
=================================================================
==672994==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x7fa76f672000 at pc 0x7fa7726f75b6 bp 0x7ffe41bdda70 sp 0x7ffe41bdd220
READ of size 4097 at 0x7fa76f672000 thread T0
#0 0x7fa7726f75b5 (/lib/x86_64-linux-gnu/libasan.so.6+0x4f5b5)
#1 0x562ae0c9c40e in regexec_buf /home/peff/compile/git/git-compat-util.h:1117
#2 0x562ae0c9c40e in diff_grep /home/peff/compile/git/diffcore-pickaxe.c:52
#3 0x562ae0c9cc28 in pickaxe_match /home/peff/compile/git/diffcore-pickaxe.c:166
[...]
In this case we're looking in a buffer which was mmap'd via
reuse_worktree_file(), and whose size is 4096 bytes. But libasan's
regex tries to look at byte 4097 anyway! If we tweak Git like this:
diff --git a/diff.c b/diff.c
index 8e2914c031..cfae60c120 100644
--- a/diff.c
+++ b/diff.c
@@ -3880,7 +3880,7 @@ static int reuse_worktree_file(struct index_state *istate,
*/
if (ce_uptodate(ce) ||
(!lstat(name, &st) && !ie_match_stat(istate, ce, &st, 0)))
- return 1;
+ return 0;
return 0;
}
to use a regular buffer (with a trailing NUL) instead of an mmap, then
the complaint goes away.
The other failures are actually diff output with an incorrect funcname
header. If I instrument xdiff to show the funcname matching like so:
diff --git a/xdiff-interface.c b/xdiff-interface.c
index 8509f9ea22..f6c3dc1986 100644
--- a/xdiff-interface.c
+++ b/xdiff-interface.c
@@ -197,6 +197,7 @@ struct ff_regs {
struct ff_reg {
regex_t re;
int negate;
+ char *printable;
} *array;
};
@@ -218,7 +219,12 @@ static long ff_regexp(const char *line, long len,
for (i = 0; i < regs->nr; i++) {
struct ff_reg *reg = regs->array + i;
- if (!regexec_buf(®->re, line, len, 2, pmatch, 0)) {
+ int ret = regexec_buf(®->re, line, len, 2, pmatch, 0);
+ warning("regexec %s:\n regex: %s\n buf: %.*s",
+ ret == 0 ? "matched" : "did not match",
+ reg->printable,
+ (int)len, line);
+ if (!ret) {
if (reg->negate)
return -1;
break;
@@ -264,6 +270,7 @@ void xdiff_set_find_func(xdemitconf_t *xecfg, const char *value, int cflags)
expression = value;
if (regcomp(®->re, expression, cflags))
die("Invalid regexp to look for hunk header: %s", expression);
+ reg->printable = xstrdup(expression);
free(buffer);
value = ep + 1;
}
then when compiling with ASan and gcc-10, running the diff from t4018.66
produces this:
$ git diff -U1 cpp-skip-access-specifiers
warning: regexec did not match:
regex: ^[ ]*[A-Za-z_][A-Za-z_0-9]*:[[:space:]]*($|/[/*])
buf: private:
warning: regexec matched:
regex: ^((::[[:space:]]*)?[A-Za-z_].*)$
buf: private:
diff --git a/cpp-skip-access-specifiers b/cpp-skip-access-specifiers
index 4d4a9db..ebd6f42 100644
--- a/cpp-skip-access-specifiers
+++ b/cpp-skip-access-specifiers
@@ -6,3 +6,3 @@ private:
void DoSomething();
int ChangeMe;
};
void DoSomething();
- int ChangeMe;
+ int IWasChanged;
};
That first regex should match (and is negated, so it should be telling
us _not_ to match "private:"). But it wouldn't if regexec() is looking
at the whole buffer, and not just the length-limited line we've fed to
regexec_buf(). So this is consistent again with REG_STARTEND being
ignored.
The correct output (compiling without ASan, or gcc-9 with Asan) looks
like this:
warning: regexec matched:
regex: ^[ ]*[A-Za-z_][A-Za-z_0-9]*:[[:space:]]*($|/[/*])
buf: private:
[...more lines that we end up not using...]
warning: regexec matched:
regex: ^((::[[:space:]]*)?[A-Za-z_].*)$
buf: class RIGHT : public Baseclass
diff --git a/cpp-skip-access-specifiers b/cpp-skip-access-specifiers
index 4d4a9db..ebd6f42 100644
--- a/cpp-skip-access-specifiers
+++ b/cpp-skip-access-specifiers
@@ -6,3 +6,3 @@ class RIGHT : public Baseclass
void DoSomething();
- int ChangeMe;
+ int IWasChanged;
};
So it really does seem like libasan's regex engine is ignoring
REG_STARTEND. We should be able to work around it by compiling with
NO_REGEX, which would use our local regexec(). But to make matters even
more interesting, this isn't enough by itself.
Because ASan has support from the compiler, it doesn't seem to intercept
our call to regexec() at the dynamic library level. It actually
recognizes when we are compiling a call to regexec() and replaces it
with ASan-specific code at that point. And unlike most of our other
compat code, where we might have git_mmap() or similar, the actual
symbol name in the compiled compat/regex code is regexec(). So just
compiling with NO_REGEX isn't enough; we still end up in libasan!
We can work around that by having the preprocessor replace regexec with
git_regexec (both in the callers and in the actual implementation), and
we truly end up with a call to our custom regex code, even when
compiling with ASan. That's probably a good thing to do anyway, as it
means anybody looking at the symbols later (e.g., in a debugger) would
have a better indication of which function is which. So we'll do the
same for the other common regex functions (even though just regexec() is
enough to fix this ASan problem).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Junio C Hamano
Denton Liu
brian m. carlson
Lucius Hu
Shourya Shukla
Derrick Stolee
Jeff King