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revision: fix leaking saved parents

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The `saved_parents` slab is used by `--full-diff` to save parents of a
commit which we are about to rewrite. We do not release its contents
once it's not used anymore, causing a memory leak. Plug it.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Patrick Steinhardt
2024-09-30 11:14:06 +02:00
committed by Junio C Hamano
parent 4cc2cee5ac
commit 6512d6e473
2 changed files with 11 additions and 2 deletions
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12
revision.c
View File

@ -4207,10 +4207,18 @@ static void save_parents(struct rev_info *revs, struct commit *commit)
*pp = EMPTY_PARENT_LIST;
}
static void free_saved_parent(struct commit_list **parents)
{
if (*parents != EMPTY_PARENT_LIST)
free_commit_list(*parents);
}
static void free_saved_parents(struct rev_info *revs)
{
if (revs->saved_parents_slab)
clear_saved_parents(revs->saved_parents_slab);
if (!revs->saved_parents_slab)
return;
deep_clear_saved_parents(revs->saved_parents_slab, free_saved_parent);
FREE_AND_NULL(revs->saved_parents_slab);
}
struct commit_list *get_saved_parents(struct rev_info *revs, const struct commit *commit)

1
t/t6012-rev-list-simplify.sh
View File

@ -5,6 +5,7 @@ test_description='merge simplification'
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
note () {