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This attribute is important when storing OAuth credentials which may
expire after as little as one hour. d208bfdf (credential: new attribute
password_expiry_utc, 2023-02-18) added support for this attribute in
general so that individual credential backend like wincred can use it.
Signed-off-by: M Hickford <mirth.hickford@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In Git, almost all command line flags unconditionally override the
corresponding config option.[1] Add a test to confirm that this is the
case for `git format-patch --thread`.
[1] https://lore.kernel.org/git/CAMMLpeS3+NUQa2oqpHKVo3yWQNVMgkEXrs4U5_ggvk31yQbezQ@mail.gmail.com/
Signed-off-by: Alex Henrie <alexhenrie24@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When retrieving object info via capability "object-info", we store the
command args into a requested_info variable, but forget to initialize
it. Initialize the variable before use to prevent unexpected output.
Signed-off-by: Jiang Xin <zhiyou.jx@alibaba-inc.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We used to write "Message-Id:" and "Message-ID:" pretty much
interchangeably, and the header name is defined to be case
insensitive by the RFCs, but the canonical form "Message-ID:" is
used throughout the RFC documents, so let's imitate it ourselves.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Reviewed-by: Elijah Newren <newren@gmail.com>
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Signed-off-by: Daniel Santos <dacs.git@brilhante.top>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Typofix.
* ss/hashmap-typofix:
hashmap.h: fix minor typo
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Fix perf test.
* ds/p2000-fix-grep-sparse:
p2000: remove stray '--sparse' flag from test
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Doc update.
* kh/commentchar-config-error-message:
config: tell the user that we expect an ASCII character
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Test fix.
* ab/retire-scripted-add-p:
t3701: we don't need no Perl for `add -i` anymore
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Test portability fix.
* js/t5563-portability-fix:
t5563: prevent "ambiguous redirect"
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Update width table for the latest edition of Unicode.
* bb/unicode-width-table-15:
unicode: update the width tables to Unicode 15
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Commit [1] added a test to t2107-update-index-basic.sh with a comment
that mentions macro "active_cache_changed". Later in [2], the macro was
removed and its usage in function cmd_update_index in file
builtin/update-index.c was replaced with "the_index.cache_changed".
Fix the outdated comment in file t2107-update-index-basic.sh.
[1] fa137f67a4 (lockfile.c: store absolute path, 2014-11-02)
[2] dc594180d9 (cocci & cache.h: apply variable section of "pending"
index-compatibility, 2022-11-19)
Signed-off-by: Andrei Rybak <rybak.a.v@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Commit [1] added tests which trigger function prune_cache. The comments
in these tests, however, incorrectly call it "prune_path". Since then,
function "prune_cache" has been renamed to "prune_index" in commit [2].
Later still in commit [3], the_index singleton, which is also mentioned
in a comment, stopped being used directly with function "prune_index".
Fix mentions of function "prune_index" and the struct it changes in
comments in file "t3060-ls-files-with-tree.sh".
[1] 54e1abce90 (Add test case for ls-files --with-tree, 2007-10-03)
[2] 6510ae173a (ls-files: convert prune_cache to take an index,
2017-06-12)
[3] 188dce131f (ls-files: use repository object, 2017-06-22)
Signed-off-by: Andrei Rybak <rybak.a.v@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When fetch.bundleURI is set, 'git fetch' downloads bundles from the
given bundle URI before fetching from the specified remote. However,
when using non-file remotes, 'git fetch --all' will launch 'git fetch'
subprocesses which then read fetch.bundleURI and fetch the bundle list
again. We do not expect the bundle list to have new information during
these multiple runs, so avoid these extra calls by un-setting
fetch.bundleURI in the subprocess arguments.
Be careful to skip fetching bundles for the empty bundle string.
Fetching bundles from the empty list presents some interesting test
failures.
Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When I ran this test using `TEST_SHELL_PATH=/bin/bash` in my Ubuntu
setup (where Bash is at version 5.0.17(1)-release), I was greeted with
this error message:
./test-lib.sh: line 1072: $CHALLENGE: ambiguous redirect
This commit fixes that error by quoting the `CHALLENGE` variable (which
has as value a path containing spaces), and by avoiding to cuddle the
empty string parameter in the `printf` call with the redirect character
(in fact, the `printf ''>$CHALLENGE` is removed because the next line
overwrites the file anyway because it _also_ uses a single `>` to
redirect the output).
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
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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A recent-ish change to allow unicode character classes to be used
with "grep -P" triggered a JIT bug in older pcre2 libraries.
The problematic change in Git built with these older libraries has
been disabled to work around the bug.
* mk/workaround-pcre-jit-ucp-bug:
grep: work around UTF-8 related JIT bug in PCRE2 <= 10.34
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Doc update.
* jc/am-doc-refer-to-format-patch:
am: refer to format-patch in the documentation
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Code clean-up to use designated initializers in parse-options API.
* sg/parse-options-h-initializers:
parse-options.h: use designated initializers in OPT_* macros
parse-options.h: rename _OPT_CONTAINS_OR_WITH()'s parameters
parse-options.h: use consistent name for the callback parameters
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Code clean-up to include and/or uninclude parse-options.h file as
needed.
* sg/parse-options-h-users:
treewide: remove unnecessary inclusions of parse-options.h from headers
treewide: include parse-options.h in source files
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To check for broken &&-chains, we run "fail_117 && $1" as a test
snippet, and check the exit code. We use test_eval_ to do so, because
that's the way we run the actual test.
But we don't need any of its niceties, like "set -x" tracing. In fact,
they hinder us, because we have to explicitly disable them. So let's
skip that and use "eval" more directly, which is simpler. I had hoped it
would also be faster, but it doesn't seem to produce a measurable
improvement (probably because it's just running internal shell commands,
with no subshells or forks).
Note that there is one gotcha: even though we don't intend to run any of
the commands if the &&-chain is intact, an error like this:
test_expect_success 'broken' '
# this next line breaks the &&-chain
true
# and then this one is executed even by the linter
return 1
'
means we'll "return 1" from the eval, and thus from test_run_(). We
actually do notice this in test_expect_success, but only by saying "hey,
this test didn't say it was OK, so it must have failed", which is not
right (it should say "broken &&-chain").
We can handle this by calling test_eval_inner_() instead, which is our
trick for wrapping "return" in a test snippet. But to do that, we have
to push the trace code out of that inner function and into test_eval_().
This is arguably where it belonged in the first place, but it never
mattered because the "inner_" function had only one caller.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Commit 99a64e4b73c (tests: lint for run-away here-doc, 2017-03-22)
tweaked the chain-lint test to catch unclosed here-docs. It works by
adding an extra "echo" command after the test snippet, and checking that
it is run (if it gets swallowed by a here-doc, naturally it is not run).
The downside here is that we introduced an extra $() substitution, which
happens in a subshell. This has a measurable performance impact when
run for many tests.
The tradeoff in safety was undoubtedly worth it when 99a64e4b73c was
written. But since the external chainlint.pl learned to find these
recently, we can just rely on it. By switching back to a simpler
chain-lint, hyperfine reports a measurable speedup on t3070 (which has
1800 tests):
'HEAD' ran
1.12 ± 0.01 times faster than 'HEAD~1'
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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An unclosed here-doc in a test is a problem, because it silently gobbles
up any remaining commands. Since 99a64e4b73c (tests: lint for run-away
here-doc, 2017-03-22) we detect this by piggy-backing on the internal
chainlint checker in test-lib.sh.
However, it would be nice to detect it in chainlint.pl, for a few
reasons:
- the output from chainlint.pl is much nicer; it can show the exact
spot of the error, rather than a vague "somewhere in this test you
broke the &&-chain or had a bad here-doc" message.
- the implementation in test-lib.sh runs for each test snippet. And
since it requires a subshell, the extra cost is small but not zero.
If chainlint.pl can reliably find the problem, we can optimize the
test-lib.sh code.
The chainlint.pl code never intended to find here-doc problems. But
since it has to parse them anyway (to avoid reporting problems inside
here-docs), most of what we need is already there. We can detect the
problem when we fail to find the missing end-tag in swallow_heredocs().
The extra change in scan_heredoc_tag() stores the location of the start
of the here-doc, which lets us mark it as the source of the error in the
output (see the new tests for examples).
[jk: added commit message and tests]
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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To test that we don't break the &&-chain, test-lib.sh does something
like:
(exit 117) && $test_commands
and checks that the result is exit code 117. We don't care what that
initial command is, as long as it exits with a unique code. Using "exit"
works and is simple, but is a bit expensive since it requires a subshell
(to avoid exiting the whole script!). This isn't usually very
noticeable, but it can add up for scripts which have a large number of
tests.
Using "return" naively won't work here, because we'd return from the
function eval-ing the snippet (and it wouldn't find &&-chain breakages).
But if we further push that into its own function, it does exactly what
we want, without extra subshell overhead.
According to hyperfine, this produces a measurable improvement when
running t3070 (which has 1800 tests, all of them quite short):
'HEAD' ran
1.09 ± 0.01 times faster than 'HEAD~1'
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Since 69b9924b875 (t/Makefile: teach `make test` and `make prove` to run
chainlint.pl, 2022-09-01), we run a single chainlint.pl process for all
scripts, and then instruct each individual script to run with the
equivalent of --no-chain-lint, which tells them not to redundantly run
the chainlint script themselves.
However, this also disables the internal linter run within the shell by
eval-ing "(exit 117) && $1" and confirming we get code 117. In theory
the external linter produces a superset of complaints, and we don't need
the internal one anymore. However, we know there is at least one case
where they differ. A test like:
test_expect_success 'should fail linter' '
false &&
sleep 2 &
pid=$! &&
kill $pid
'
is buggy (it ignores the failure from "false", because it is
backgrounded along with the sleep). The internal linter catches this,
but the external one doesn't (and teaching it to do so is complicated[1]).
So not only does "make test" miss this problem, but it's doubly
confusing because running the script standalone does complain.
Let's teach the suppression in the Makefile to only turn off the
external linter (which we know is redundant, as it was already run) and
leave the internal one intact.
I've used a new environment variable to do this here, and intentionally
did not add a "--no-ext-chain-lint" option. This is an internal
optimization used by the Makefile, and not something that ordinary users
would need to tweak.
[1] For discussion of chainlint.pl and this case, see:
https://lore.kernel.org/git/CAPig+cQtLFX4PgXyyK_AAkCvg4Aw2RAC5MmLbib-aHHgTBcDuw@mail.gmail.com/
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Unicode version 15 was released in September 2022 [1], and we have so
far neglected to update our width tables. Do this now.
[1] http://blog.unicode.org/2022/09/announcing-unicode-standard-version-150.html
Signed-off-by: Beat Bolli <dev+git@drbeat.li>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The word "no" should be "not".
Signed-off-by: Siddharth Singh <siddhartth@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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use_rest was added in b9dee075eb (ref-filter: add %(rest) atom,
2021-07-26) but was never used. As far as I can tell it was used in a
later patch that was submitted to the mailing list but never applied.
Signed-off-by: Øystein Walle <oystwa@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Running the command itself has generated a warning for several versions,
which has recently been upgraded to an error. Let's also make sure the
documentation mentions what is going on. This also gives us a good spot
to explain the reasoning and recommend alternatives.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This low-level callback was introduced in ce564eb1bd5 (parse-options:
add parse_opt_unknown_cb(), 2016-09-05) so that we could advertise
--indent-heuristic in git-blame's "-h" output, even though the option is
actually handled in parse_revision_opt(). We later stopped doing so in
44ae131e384 (builtin/blame.c: remove '--indent-heuristic' from usage
string, 2019-10-28).
This is a weird thing to do, and in the intervening years, we've never
used it again. Let's drop the helper in the name of simplicity.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Many test helper programs do not bother to look at argc or argv, because
they don't take any options. In a user-facing program, it's a good idea
to check for unexpected arguments and complain. But for a test helper,
it's not worth the trouble to enforce this.
But we do want to tell the compiler we're OK with ignoring them, to
silence -Wunused-parameter (and obviously we can't get rid of them,
since we have to conform to the usual cmd__foo() interface).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A few commands don't take any options at all, and confirm this by
checking argc. After that they have no need to look at argv, but we're
still stuck with it by convention. Let's annotate these cases so that
the compiler doesn't complain with -Wunused-parameter.
Note that in scalar and get-tar-commit-id, we're forced to keep argv by
calling convention (the functions must match cmd_main() and builtin
cmd_foo() conventions, respectively). In diff, these are subcommand
modes that we call individually, so we _could_ just drop the argv
parameters entirely. But it's weird to pass argc without argv, and it
implies that the caller knows that the subcommands aren't interested in
further arguments. It's less confusing to just keep them and silence the
compiler warning.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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All builtins receive a "prefix" parameter, but it is only useful if they
need to adjust filenames given by the user on the command line. For
builtins that do not even call parse_options(), they often don't look at
the prefix at all, and -Wunused-parameter complains.
Let's annotate those to silence the compiler warning. I gave a quick
scan of each of these cases, and it seems like they don't have anything
they _should_ be using the prefix for (i.e., there is no hidden bug that
we are missing). The only questionable cases I saw were:
- in git-unpack-file, we create a tempfile which will always be at the
root of the repository, even if the command is run from a subdir.
Arguably this should be created in the subdir from which we're run
(as we report the path only as a relative name). However, nobody has
complained, and I'm hesitant to change something that is deep
plumbing going back to April 2005 (though I think within our
scripts, the sole caller in git-merge-one-file would be OK, as it
moves to the toplevel itself).
- in fetch-pack, local-filesystem remotes are taken as relative to the
project root, not the current directory. So:
git init server.git
[...put stuff in server.git...]
git init client.git
cd client.git
mkdir subdir
cd subdir
git fetch-pack ../../server.git ...
won't work, as we quietly move to the top of the repository before
interpreting the path (so "../server.git" would work). This is
weird, but again, nobody has complained and this is how it has
always worked. And this is how "git fetch" works, too. Plus it
raises questions about how a configured remote like:
git config remote.origin.url ../server.git
should behave. I can certainly come up with a reasonable set of
behavior, but it may not be worth stirring up complications in a
plumbing tool.
So I've left the behavior untouched in both of those cases. If anybody
really wants to revisit them, it's easy enough to drop the UNUSED
marker. This commit is just about removing them as obstacles to turning
on -Wunused-parameter all the time.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It's usually a bad idea for a builtin's cmd_foo() to ignore the "prefix"
argument it gets, as it needs to prepend that string when accessing any
paths given by the user.
But if a builtin does not ask for the git wrapper to run repository
setup (via the RUN_SETUP or RUN_SETUP_GENTLY flags), then we know the
prefix will always be NULL (it is adjusting for the chdir() done during
repo setup, but there cannot be one if we did not set up the repo). In
those cases it's OK to ignore "prefix", but it's worth annotating for a
few reasons:
1. It serves as documentation to somebody reading the code about what
we expect.
2. If the flags in git.c ever change, the run-time assertion may help
detect the problem (though only if the command is run from a
subdirectory of the repository).
3. It notes to the compiler that we are OK ignoring "prefix". In
particular, this silences -Wunused-parameter. It _could_ also help
the compiler generate better code (because it will know the prefix
is NULL), but in practice this is quite unlikely to matter.
Note that I've only added this annotation to commands which triggered
-Wunused-parameter. It would be correct to add it to any builtin which
doesn't ask for RUN_SETUP, but most of the rest of them do the sensible
thing with "prefix" by passing it to parse_options(). So they're much
more likely to just work if they ever switched to RUN_SETUP, and aren't
worth annotating.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Our builtins receive a "prefix" argument as part of their cmd_foo()
function. We should always pass this to parse_options() if we're calling
it, as it may be used for OPT_FILENAME() options.
In the cases here, there's no option that would use it, so we're not
fixing any bug. This is just future-proofing and setting a good example
(plus quelling some -Wunused-parameter warnings).
Note in the case of revert/cherry-pick, that we plumb the prefix through
to run_sequencer(), as those builtins are just thin wrappers around it.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In cmd_fast_import(), we ignore the "prefix" argument entirely, even
though it tells us how we may have changed directory to the root of the
repository earlier in the process. Which means that if you run it from a
subdir and point to paths in the filesystem, like:
cd subdir
git fast-import --import-marks=foo <dump
then it will look for "foo" in the root of the repository, not the
current directory ("subdir/") which the user would have expected.
We can fix this by recording the prefix and using it as appropriate
whenever we open a file for reading or writing. I found each of these by
looking for cases where we call fopen() within fast-import.c, so this
should cover all cases. The new test triggers each one, as well as
making sure we don't accidentally apply the prefix when --relative-marks
is in use (since that option interprets some paths as relative to a
specific directory).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This argument was added in 7cae7627c45 (builtin/grep.c: integrate with
sparse index, 2022-09-22), but it was a carry-over from an earlier
version where the --sparse flag was added to the 'git grep' builtin.
This argument does not exist, so currently the
p2000-sparse-operations.sh performance test script fails when reaching
this step.
With this fix, the script works with these numbers for my copy of the
Git source code repository:
Test HEAD
------------------------------------------------------------
2000.30: git grep --cached ... (full-v3) 0.34(1.20+0.14)
2000.31: git grep --cached ... (full-v4) 0.31(1.15+0.13)
2000.32: git grep --cached ... (sparse-v3) 0.26(1.13+0.12)
2000.33: git grep --cached ... (sparse-v4) 0.27(1.13+0.12)
Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The "cf" name is a holdover from before 4d8dd1494e (config: make parsing
stack struct independent from actual data source, 2013-07-12), when the
struct was named config_file. Since that acronym no longer makes sense,
rename "cf" to "cs". In some places, we have "struct config_set cs", so
to avoid conflict, rename those "cs" to "set" ("config_set" would be
more descriptive, but it's much longer and would require us to rewrap
several lines).
Signed-off-by: Glen Choo <chooglen@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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If, when parsing numbers from config, die_bad_number() is called, it
reports the filename and config source type if we were parsing a config
file, but not if we were iterating a config_set (it defaults to a less
specific error message). Most call sites don't parse config files
because config is typically read once and cached, so we only report
filename and config source type in "git config --type" (since "git
config" always parses config files).
This could have been fixed when we taught the current_config_*
functions to respect config_set values (0d44a2dacc (config: return
configset value for current_config_ functions, 2016-05-26), but it was
hard to spot then and we might have just missed it (I didn't find
mention of die_bad_number() in the original ML discussion [1].)
Fix this by refactoring the current_config_* functions into variants
that don't BUG() when we aren't reading config, and using the resulting
functions in die_bad_number(). "git config --get[-regexp] --type=int"
cannot use the non-refactored version because it parses the int value
_after_ parsing the config file, which would run into the BUG().
Since the refactored functions aren't public, they use "struct
config_reader".
1. https://lore.kernel.org/git/20160518223712.GA18317@sigill.intra.peff.net/
Signed-off-by: Glen Choo <chooglen@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add ".parsing_scope" to "struct config_reader" and replace
"current_parsing_scope" with "the_reader.parsing_scope. Adjust the
comment slightly to make it clearer that the scope applies to the config
source (not the current value), and should only be set when parsing a
config source.
As such, ".parsing_scope" (only set when parsing config sources) and
".config_kvi" (only set when iterating a config set) should not be
set together, so enforce this with a setter function.
Unlike previous commits, "populate_remote_urls()" still needs to store
and restore the 'scope' value because it could have touched
"current_parsing_scope" ("config_with_options()" can set the scope).
Signed-off-by: Glen Choo <chooglen@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add ".config_kvi" to "struct config_reader" and replace
"current_config_kvi" with "the_reader.config_kvi", plumbing "struct
config_reader" where necesssary.
Also, introduce a setter function for ".config_kvi", which allows us to
enforce the contraint that only one of ".source" and ".config_kvi" can
be set at a time (as documented in the comments). Because of this
constraint, we know that "populate_remote_urls()" was never touching
"current_config_kvi" when iterating through config files, so it doesn't
need to store and restore that value.
Signed-off-by: Glen Choo <chooglen@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The remaining references to "cf_global" are in config callback
functions. Remove them by plumbing "struct config_reader" via the
"*data" arg.
In both of the callbacks here, we are only reading from
"reader->source". So in the long run, if we had a way to expose readonly
information from "reader->source" (probably in the form of "struct
key_value_info"), we could undo this patch (i.e. remove "struct
config_reader" fom "*data").
Signed-off-by: Glen Choo <chooglen@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Create "struct config_reader" to hold the state of the config source
currently being read. Then, create a static instance of it,
"the_reader", and use "the_reader.source" to replace references to
"cf_global" in public functions.
This doesn't create much immediate benefit (since we're mostly replacing
static variables with a bigger static variable), but it prepares us for
a future where this state doesn't have to be global; "struct
config_reader" (or a similar struct) could be provided by the caller, or
constructed internally by a function like "do_config_from()".
A more typical approach would be to put this struct on "the_repository",
but that's a worse fit for this use case since config reading is not
scoped to a repository. E.g. we can read config before the repository is
known ("read_very_early_config()"), blatantly ignore the repo
("read_protected_config()"), or read only from a file
("git_config_from_file()"). This is especially evident in t5318 and
t9210, where test-tool and scalar parse config but don't fully
initialize "the_repository".
We could have also replaced the references to "cf_global" in callback
functions (which are the only ones left), but we'll eventually plumb
"the_reader" through the callback "*data" arg, so that would be
unnecessary churn. Until we remove "cf_global" altogether, add logic to
"config_reader_*_source()" to keep "cf_global" and "the_reader.source"
in sync.
Signed-off-by: Glen Choo <chooglen@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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To make "cf_global" easier to remove, replace all direct assignments to
it with function calls. This refactor has an additional maintainability
benefit: all of these functions were manually implementing stack
pop/push semantics on "struct config_source", so replacing them with
function calls allows us to only implement this logic once.
In this process, perform some now-obvious clean ups:
- Drop some unnecessary "cf_global" assignments in
populate_remote_urls(). Since it was introduced in 399b198489 (config:
include file if remote URL matches a glob, 2022-01-18), it has stored
and restored the value of "cf_global" to ensure that it doesn't get
accidentally mutated. However, this was never necessary since
"do_config_from()" already pushes/pops "cf_global" further down the
call chain.
- Zero out every "struct config_source" with a dedicated initializer.
This matters because the "struct config_source" is assigned to
"cf_global" and we later 'pop the stack' by assigning "cf_global =
cf_global->prev", but "cf_global->prev" could be pointing to
uninitialized garbage.
Fortunately, this has never bothered us since we never try to read
"cf_global" except while iterating through config, in which case,
"cf_global" is either set to a sensible value (when parsing a file),
or it is ignored (when iterating a configset). Later in the series,
zero-ing out memory will also let us enforce the constraint that
"cf_global" and "current_config_kvi" are never non-NULL together.
Signed-off-by: Glen Choo <chooglen@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This reduces the direct dependence on the global "struct config_source",
which will make it easier to remove in a later commit.
To minimize the changes we need to make, we rename the current variable
from "cf" to "cf_global", and the plumbed arg uses the old name "cf".
This is a little unfortunate, since we now have the confusingly named
"struct config_source cf" everywhere (which is a holdover from before
4d8dd1494e (config: make parsing stack struct independent from actual
data source, 2013-07-12), when the struct used to be called
"config_file"), but we will rename "cf" to "cs" by the end of the
series.
In some cases (public functions and config callback functions), there
isn't an obvious way to plumb "struct config_source" through function
args. As a workaround, add references to "cf_global" that we'll address
in later commits.
The remaining references to "cf_global" are direct assignments to
"cf_global", which we'll also address in a later commit.
Signed-off-by: Glen Choo <chooglen@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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At first glance, the names given by "rev-list --objects" seem like a
good way to see which paths are present in a set of commits. But there
are some subtle gotchas there. We do not document the format of the
names at all, so let's do so, along with warning of these problems.
I intentionally did not document the exact format of the names here, as
I don't think it's something we want people to rely on (though I doubt
in practice that we'd change it at this point).
Though all of this is historically tied to "--objects", these days we
have a separate "--object-names" flag which can turn the names off or
on. So I put the detailed documentation there, but added a note from
--objects (which did not otherwise mention the names at all, even though
they are on by default).
Signed-off-by: Jeff King <peff@peff.net>
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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Remove workaround for ancient versions of DocBook to make it work
correctly with groff, which has not been necessary since docbook
1.76 from 2010.
* fc/docbook-remove-groff-workaround:
doc: remove GNU troff workaround
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time(2) on glib 2.31+, especially on Linux, goes out of sync with
higher resolution timers used for gettimeofday(2) and by the
filesystem. Replace all calls to it with a git_time() wrapper and
use gettimeofday(2) in its implementation.
* pe/time-use-gettimeofday:
git-compat-util: use gettimeofday(2) for time(2)
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