fixup! submodule: prevent overwriting .gitmodules on path reuse

Junio C Hamano committed Jul 24, 2025 at 13:44 UTC 9305027adef9b8e8de8b2bee11dd442c7e579490
2 files changed +4 -4
builtin/submodule--helper.c
+2 -3
@@ -3459,7 +3459,6 @@ static int module_add(int argc, const char **argv, const char *prefix,
3459 char *to_free = NULL;
3460 const struct submodule *existing;
3461 struct strbuf buf = STRBUF_INIT;
3462 - int i;
3462 char *sm_name_to_free = NULL;
3463 struct option options[] = {
3464 OPT_STRING('b', "branch", &add_data.branch, N_("branch"),
@@ -3570,10 +3569,10 @@ static int module_add(int argc, const char **argv, const char *prefix,
3569 if (existing && strcmp(existing->path, add_data.sm_path)) {
3570 if (!force) {
3571 die(_("submodule name '%s' already used for path '%s'"),
3573 - add_data.sm_name, existing->path);
3572 + add_data.sm_name, existing->path);
3573 }
3574 /* --force: build <name><n> until unique */
3576 - for (i = 1; ; i++) {
3575 + for (int i = 1; ; i++) {
3576 strbuf_reset(&buf);
3577 strbuf_addf(&buf, "%s%d", add_data.sm_name, i);
3578 if (!submodule_from_name(the_repository,
t/t7400-submodule-basic.sh
+2 -1
@@ -1500,7 +1500,8 @@ test_expect_success 'submodule add fails when name is reused' '
1500 # Now adding a *new* repo at the old name must fail
1501 git init ../child2-origin &&
1502 git -C ../child2-origin commit --allow-empty -m init &&
1503 - test_must_fail git submodule add ../child2-origin child
1503 + test_must_fail git submodule add ../child2-origin child 2>err &&
1504 + test_grep "already used for" err
1505 )
1506 '
1507