9081a421a6
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 96ec7b1e70 (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>
200 lines
4.8 KiB
Bash
Executable File
200 lines
4.8 KiB
Bash
Executable File
#!/bin/sh
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test_description='show-ref'
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GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
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export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
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TEST_PASSES_SANITIZE_LEAK=true
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. ./test-lib.sh
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test_expect_success setup '
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test_commit --annotate A &&
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git checkout -b side &&
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test_commit --annotate B &&
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git checkout main &&
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test_commit C &&
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git branch B A^0
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'
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test_expect_success 'show-ref' '
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echo $(git rev-parse refs/tags/A) refs/tags/A >expect &&
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git show-ref A >actual &&
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test_cmp expect actual &&
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git show-ref tags/A >actual &&
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test_cmp expect actual &&
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git show-ref refs/tags/A >actual &&
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test_cmp expect actual &&
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test_must_fail git show-ref D >actual &&
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test_must_be_empty actual
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'
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test_expect_success 'show-ref -q' '
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git show-ref -q A >actual &&
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test_must_be_empty actual &&
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git show-ref -q tags/A >actual &&
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test_must_be_empty actual &&
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git show-ref -q refs/tags/A >actual &&
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test_must_be_empty actual &&
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test_must_fail git show-ref -q D >actual &&
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test_must_be_empty actual
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'
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test_expect_success 'show-ref --verify' '
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echo $(git rev-parse refs/tags/A) refs/tags/A >expect &&
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git show-ref --verify refs/tags/A >actual &&
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test_cmp expect actual &&
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test_must_fail git show-ref --verify A >actual &&
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test_must_be_empty actual &&
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test_must_fail git show-ref --verify tags/A >actual &&
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test_must_be_empty actual &&
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test_must_fail git show-ref --verify D >actual &&
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test_must_be_empty actual
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'
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test_expect_success 'show-ref --verify -q' '
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git show-ref --verify -q refs/tags/A >actual &&
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test_must_be_empty actual &&
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test_must_fail git show-ref --verify -q A >actual &&
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test_must_be_empty actual &&
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test_must_fail git show-ref --verify -q tags/A >actual &&
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test_must_be_empty actual &&
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test_must_fail git show-ref --verify -q D >actual &&
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test_must_be_empty actual
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'
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test_expect_success 'show-ref -d' '
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{
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echo $(git rev-parse refs/tags/A) refs/tags/A &&
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echo $(git rev-parse refs/tags/A^0) "refs/tags/A^{}"
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echo $(git rev-parse refs/tags/C) refs/tags/C
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} >expect &&
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git show-ref -d A C >actual &&
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test_cmp expect actual &&
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git show-ref -d tags/A tags/C >actual &&
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test_cmp expect actual &&
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git show-ref -d refs/tags/A refs/tags/C >actual &&
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test_cmp expect actual &&
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git show-ref --verify -d refs/tags/A refs/tags/C >actual &&
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test_cmp expect actual &&
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echo $(git rev-parse refs/heads/main) refs/heads/main >expect &&
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git show-ref -d main >actual &&
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test_cmp expect actual &&
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git show-ref -d heads/main >actual &&
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test_cmp expect actual &&
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git show-ref -d refs/heads/main >actual &&
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test_cmp expect actual &&
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git show-ref -d --verify refs/heads/main >actual &&
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test_cmp expect actual &&
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test_must_fail git show-ref -d --verify main >actual &&
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test_must_be_empty actual &&
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test_must_fail git show-ref -d --verify heads/main >actual &&
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test_must_be_empty actual &&
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test_must_fail git show-ref --verify -d A C >actual &&
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test_must_be_empty actual &&
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test_must_fail git show-ref --verify -d tags/A tags/C >actual &&
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test_must_be_empty actual
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'
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test_expect_success 'show-ref --heads, --tags, --head, pattern' '
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for branch in B main side
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do
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echo $(git rev-parse refs/heads/$branch) refs/heads/$branch
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done >expect.heads &&
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git show-ref --heads >actual &&
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test_cmp expect.heads actual &&
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for tag in A B C
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do
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echo $(git rev-parse refs/tags/$tag) refs/tags/$tag
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done >expect.tags &&
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git show-ref --tags >actual &&
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test_cmp expect.tags actual &&
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cat expect.heads expect.tags >expect &&
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git show-ref --heads --tags >actual &&
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test_cmp expect actual &&
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{
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echo $(git rev-parse HEAD) HEAD &&
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cat expect.heads expect.tags
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} >expect &&
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git show-ref --heads --tags --head >actual &&
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test_cmp expect actual &&
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{
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echo $(git rev-parse HEAD) HEAD &&
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echo $(git rev-parse refs/heads/B) refs/heads/B
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echo $(git rev-parse refs/tags/B) refs/tags/B
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} >expect &&
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git show-ref --head B >actual &&
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test_cmp expect actual &&
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{
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echo $(git rev-parse HEAD) HEAD &&
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echo $(git rev-parse refs/heads/B) refs/heads/B
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echo $(git rev-parse refs/tags/B) refs/tags/B
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echo $(git rev-parse refs/tags/B^0) "refs/tags/B^{}"
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} >expect &&
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git show-ref --head -d B >actual &&
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test_cmp expect actual
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'
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test_expect_success 'show-ref --verify HEAD' '
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echo $(git rev-parse HEAD) HEAD >expect &&
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git show-ref --verify HEAD >actual &&
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test_cmp expect actual &&
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git show-ref --verify -q HEAD >actual &&
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test_must_be_empty actual
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'
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test_expect_success 'show-ref --verify with dangling ref' '
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sha1_file() {
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echo "$*" | sed "s#..#.git/objects/&/#"
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} &&
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remove_object() {
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file=$(sha1_file "$*") &&
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test -e "$file" &&
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rm -f "$file"
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} &&
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test_when_finished "rm -rf dangling" &&
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(
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git init dangling &&
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cd dangling &&
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test_commit dangling &&
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sha=$(git rev-parse refs/tags/dangling) &&
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remove_object $sha &&
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test_must_fail git show-ref --verify refs/tags/dangling
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)
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'
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test_done
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