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Unit-test framework has learned a simple control structure to allow
embedding test statements in-line instead of having to create a new
function to contain them.
* rs/unit-tests-test-run:
t-strvec: use if_test
t-reftable-basics: use if_test
t-ctype: use if_test
unit-tests: add if_test
unit-tests: show location of checks outside of tests
t0080: use here-doc test body
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The macro TEST only allows defining a test that consists of a single
expression. Add a new macro, if_test, which provides a way to define
unit tests that are made up of one or more statements.
if_test allows defining self-contained tests en bloc, a bit like
test_expect_success does for regular tests. It acts like a conditional;
the test body is executed if test_skip_all() had not been called before.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In [1], we have improved our clang-format configuration to also specify
the style for how to indent preprocessor directives. But while we have
settled the question of where to put the indentation, either before or
after the hash sign, we didn't specify exactly how to indent.
With the current configuration, clang-format uses tabs to indent each
level of nested preprocessor directives, which is in fact unintentional
and never done in our codebase. Instead, we use a mixture of indenting
by either one or two spaces, where using a single space is somewhat more
common.
Adapt our clang-format configuration accordingly by specifying an
indentation width of one space.
[1]: <20240708092317.267915-1-karthik.188@gmail.com>
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* kn/ci-clang-format:
ci/style-check: add `RemoveBracesLLVM` in CI job
check-whitespace: detect if no base_commit is provided
ci: run style check on GitHub and GitLab
clang-format: formalize some of the spacing rules
clang-format: avoid spacing around bitfield colon
clang-format: indent preprocessor directives after hash
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There are some spacing rules that we follow in the project and it makes
sense to formalize them:
* Ensure there is no space inserted after the logical not '!' operator.
* Ensure there is no space before the case statement's colon.
* Ensure there is no space before the first bracket '[' of an array.
* Ensure there is no space in empty blocks.
Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The spacing around colons is currently not standardized and as such we
have the following practices in our code base:
- Spacing around the colon `int bf : 1`: 146 instances
- No spacing around the colon `int bf:1`: 148 instances
- Spacing before the colon `int bf :1`: 6 instances
- Spacing after the colon `int bf: 1`: 12 instances
Let's formalize this by picking the most followed pattern and add the
corresponding style to '.clang-format'.
Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We do not have a rule around the indentation of preprocessor directives.
This was also discussed on the list [1], noting how there is often
inconsistency in the styling. While there was discussion, there was no
conclusion around what is the preferred style here. One style being
indenting after the hash:
#if FOO
# if BAR
# include <foo>
# endif
#endif
The other being before the hash:
#if FOO
#if BAR
#include <foo>
#endif
#endif
Let's pick the former and add 'IndentPPDirectives: AfterHash' value to
our '.clang-format'. There is no clear reason to pick one over the
other, but it would definitely be nicer to be consistent.
[1]: https://lore.kernel.org/r/xmqqwmmm1bw6.fsf@gitster.g
Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Custom control structures we invented more recently have been
taught to the clang-format file.
* rs/clang-format-updates:
clang-format: include kh_foreach* macros in ForEachMacros
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The command for generating the list of ForEachMacros searches for
macros whose name contains the string "for_each". Include those whose
name contains "foreach" as well. That brings in kh_foreach and
kh_foreach_value from khash.h.
Regenerating the list also brings in hashmap-based macros added by
87571c3f71 (hashmap: use *_entry APIs for iteration, 2019-10-06),
f0e63c4113 (hashmap: use *_entry APIs to wrap container_of, 2019-10-06),
4fa1d501f7 (strmap: add functions facilitating use as a string->int map,
2020-11-05), b70c82e6ed (strmap: add more utility functions,
2020-11-05), and 1201eb628a (strmap: add a strset sub-type, 2020-11-06).
for_each_abbrev is no longer found because its definition was removed by
d850b7a545 (cocci: apply the "cache.h" part of "the_repository.pending",
2023-03-28). Note that it had been a false positive, though, as it had
been a function wrapper, not a for-like macro.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Aditya Neelamraju <adityanv97@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The ForEachMacros list can reasonably be generated grepping
the C source code for macros with 'for_each' in their name.
Taken almost verbatim from the .clang-format file in the Linux kernel.
Signed-off-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Now that we have two places where we set code formatting settings,
.editorconfig and .clang-format, it's possible that they could fall out
of sync. This is relatively unlikely, since we're not likely to change
the tab width or our preference for tabs, but just in case, add comments
to both files reminding future developers to keep them in sync.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Reviewed-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The penalty of 5 makes clang-format very eager to put even short type
declarations (e.g. "extern int") into a separate line, even when
breaking parameters list is sufficient.
Signed-off-by: Patryk Obara <patryk.obara@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Having a .clang-format file in a project can be understood in a way that
code has to be in the style defined by the .clang-format file, i.e., you
just have to run clang-format over all code and you are set.
This unfortunately is not yet the case in the Git project, as the
format file is still work in progress. Explain it with a comment in
the beginning of the file.
Additionally, the working clang-format version is mentioned because the
config directives change from time to time (in a compatibility-breaking way).
Signed-off-by: Stephan Beyer <s-beyer@gmx.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We really, really, really want to limit the columns to 80 per line: One
of the few consistent style comments on the Git mailing list is that the
lines should not have more than 80 columns/line (even if 79 columns/line
would make more sense, given that the code is frequently viewed as diff,
and diffs adding an extra character).
The penalty of 5 for excess characters is way too low to guarantee that,
though, as pointed out by Brandon Williams.
From the existing clang-format examples and documentation, it appears
that 100 is a penalty deemed appropriate for Stuff You Really Don't
Want, so let's assign that as the penalty for "excess characters", i.e.
overly long lines.
While at it, adjust the penalties further: we are actually not that keen
on preventing new line breaks within comments or string literals, so the
penalty of 100 seems awfully high.
Likewise, we are not all that adamant about keeping line breaks away
from assignment operators (a lot of Git's code breaks immediately after
the `=` character just to keep that 80 columns/line limit).
We do frown a little bit more about functions' return types being on
their own line than the penalty 0 would suggest, so this was adjusted,
too.
Finally, we do not particularly fancy breaking before the first parameter
in a call, but if it keeps the line shorter than 80 columns/line, that's
what we do, so lower the penalty for breaking before a call's first
parameter, but not quite as much as introducing new line breaks to
comments.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add a '.clang-format' file which outlines the git project's coding
style. This can be used with clang-format to auto-format .c and .h
files to conform with git's style.
Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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