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builtin/worktree: fix leaking derived branch names 

There are several heuristics that git-worktree(1) uses to derive the
name of the newly created branch when not given explicitly. These
heuristics all allocate a new string, but we only end up freeing that
string in a subset of cases.

Fix the remaining cases where we didn't yet free the derived branch
names. While at it, also free `opt_track`, which is being populated via
an `OPT_PASSTHRU()`.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
maint
Patrick Steinhardt 2024-08-01 12:40:46 +02:00 committed by Junio C Hamano
parent 06da42beec
commit cd6d7630fa
3 changed files with 6 additions and 3 deletions
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7
builtin/worktree.c
View File

@ -769,7 +769,7 @@ static int add(int ac, const char **av, const char *prefix)
char *branch_to_free = NULL;
char *new_branch_to_free = NULL;
const char *new_branch = NULL;
const char *opt_track = NULL;
char *opt_track = NULL;
const char *lock_reason = NULL;
int keep_locked = 0;
int used_new_branch_options;
@ -846,7 +846,7 @@ static int add(int ac, const char **av, const char *prefix)
if (opts.orphan && !new_branch) {
int n;
const char *s = worktree_basename(path, &n);
new_branch = xstrndup(s, n);
new_branch = new_branch_to_free = xstrndup(s, n);
} else if (opts.orphan) {
; /* no-op */
} else if (opts.detach) {
@ -875,7 +875,7 @@ static int add(int ac, const char **av, const char *prefix)
remote = unique_tracking_name(branch, &oid, NULL);
if (remote) {
new_branch = branch;
branch = remote;
branch = new_branch_to_free = remote;
}
}

@ -923,6 +923,7 @@ static int add(int ac, const char **av, const char *prefix)

ret = add_worktree(path, branch, &opts);
free(path);
free(opt_track);
free(branch_to_free);
free(new_branch_to_free);
return ret;

1
t/t2400-worktree-add.sh
View File

@ -6,6 +6,7 @@ GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME

TEST_CREATE_REPO_NO_TEMPLATE=1
TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh

. "$TEST_DIRECTORY"/lib-rebase.sh

1
t/t9902-completion.sh
View File

@ -16,6 +16,7 @@ test_untraceable=UnfortunatelyYes
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=master
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME

TEST_PASSES_SANITIZE_LEAK=true
. ./lib-bash.sh

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