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pack-objects: fix buggy warning about threads

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Fix a buggy warning about threads under NO_PTHREADS=YesPlease. Due to
re-using the delta_search_threads variable for both the state of the
"pack.threads" config & the --threads option, setting "pack.threads"
but not supplying --threads would trigger the warning for both
"pack.threads" & --threads.

Solve this bug by resetting the delta_search_threads variable in
git_pack_config(), it might then be set by --threads again and be
subsequently warned about, as the test I'm changing here asserts.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Ævar Arnfjörð Bjarmason 2017-05-25 19:45:33 +00:00 committed by Junio C Hamano
parent 967a3eaf43
commit 2e96d8154f
2 changed files with 4 additions and 2 deletions
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4
builtin/pack-objects.c
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@ -2472,8 +2472,10 @@ static int git_pack_config(const char *k, const char *v, void *cb)
die("invalid number of threads specified (%d)",
delta_search_threads);
#ifdef NO_PTHREADS
if (delta_search_threads != 1)
if (delta_search_threads != 1) {
warning("no threads support, ignoring %s", k);
delta_search_threads = 0;
}
#endif
return 0;
}

2
t/t5300-pack-object.sh
View file

@ -447,7 +447,7 @@ test_expect_success !PTHREADS,C_LOCALE_OUTPUT 'pack-objects --threads=N or pack.
git -c pack.threads=2 pack-objects --stdout --all </dev/null >/dev/null 2>err &&
grep ^warning: err >warnings &&
test_must_fail test_line_count = 1 warnings &&
test_line_count = 1 warnings &&
grep -F "no threads support, ignoring pack.threads" err &&
git -c pack.threads=2 pack-objects --threads=4 --stdout --all </dev/null >/dev/null 2>err &&