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The "checkout" command is one of the main sources of leaks in the test
suite, let's fix the common ones by not leaking from the "struct
branch_info".
Doing this is rather straightforward, albeit verbose, we need to
xstrdup() constant strings going into the struct, and free() the ones
we clobber as we go along.
This also means that we can delete previous partial leak fixes in this
area, i.e. the "path_to_free" accounting added by 96ec7b1e708 (Convert
resolve_ref+xstrdup to new resolve_refdup function, 2011-12-13).
There was some discussion about whether "we should retain the "const
char *" here and cast at free() time, or have it be a "char *". Since
this is not a public API with any sort of API boundary let's use
"char *", as is already being done for the "refname" member of the
same struct.
The tests to mark as passing were found with:
rm .prove; GIT_SKIP_TESTS=t0027 prove -j8 --state=save t[0-9]*.sh :: --immediate
# apply & compile this change
prove -j8 --state=failed :: --immediate
I.e. the ones that were newly passing when the --state=failed command
was run. I left out "t3040-subprojects-basic.sh" and
"t4131-apply-fake-ancestor.sh" to to optimization-level related
differences similar to the ones noted in[1], except that these would
be something the current 'linux-leaks' job would run into.
1. https://lore.kernel.org/git/cover-v3-0.6-00000000000-20211022T175227Z-avarab@gmail.com/
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Move the tests for "-f <file>" where "<file>" contains a NUL byte
pattern into their own file. I added most of these tests in
966be95549 ("grep: add tests to fix blind spots with \0 patterns",
2017-05-20).
Whether a regex engine supports matching binary content is very
different from whether it matches binary patterns. Since
2f8952250a ("regex: add regexec_buf() that can work on a non
NUL-terminated string", 2016-09-21) we've required REG_STARTEND of our
regex engines so we can match binary content, but only the PCRE v2
engine can sensibly match binary patterns.
Since 9eceddeec6 ("Use kwset in grep", 2011-08-21) we've been punting
patterns containing NUL-byte and considering them fixed, except in
cases where "--ignore-case" is provided and they're non-ASCII, see
5c1ebcca4d ("grep/icase: avoid kwsset on literal non-ascii strings",
2016-06-25). Subsequent commits will change this behavior.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Move the "grep binary" test case added in aca20dd558 ("grep: add test
script for binary file handling", 2010-05-22) so that it lives
alongside the rest of the "grep" tests in t781*. This would have left
a gap in the t/700* namespace, so move a "filter-branch" test down,
leaving the "t7010-setup.sh" test as the next one after that.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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