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dir: fix leak when parsing "status.showUntrackedFiles"

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We use `repo_config_get_string()` to read "status.showUntrackedFiles"
from the config subsystem. This function allocates the result, but we
never free the result after parsing it.

The value never leaves the scope of the calling function, so refactor it
to instead use `repo_config_get_string_tmp()`, which does not hand over
ownership to the caller.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Patrick Steinhardt 2024-11-05 07:17:46 +01:00 committed by Junio C Hamano
parent 0bc0fcf0b2
commit 813b12b6f7
2 changed files with 3 additions and 2 deletions
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4
dir.c
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@ -2872,14 +2872,14 @@ static void set_untracked_ident(struct untracked_cache *uc)
static unsigned new_untracked_cache_flags(struct index_state *istate)
{
struct repository *repo = istate->repo;
char *val;
const char *val;
/*
* This logic is coordinated with the setting of these flags in
* wt-status.c#wt_status_collect_untracked(), and the evaluation
* of the config setting in commit.c#git_status_config()
*/
if (!repo_config_get_string(repo, "status.showuntrackedfiles", &val) &&
if (!repo_config_get_string_tmp(repo, "status.showuntrackedfiles", &val) &&
!strcmp(val, "all"))
return 0;

1
t/t7063-status-untracked-cache.sh
View File

@ -5,6 +5,7 @@ test_description='test untracked cache'
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
# On some filesystems (e.g. FreeBSD's ext2 and ufs) directory mtime