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submodule: skip redundant active entries when pattern covers path

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configure_added_submodule always writes an explicit
submodule.<name>.active entry, even when the new
path is already matched by submodule.active
patterns. This leads to unnecessary and cluttered configuration.

change the logic to centralize wildmatch-based pattern lookup,
in configure_added_submodule. Wrap the active-entry write in a conditional
that only fires when that helper reports no existing pattern covers the
submodule’s path.

Signed-off-by: K Jayatheerth <jayatheerthkulkarni2005@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
K Jayatheerth
2025-07-24 20:54:18 +05:30
committed by Junio C Hamano
parent 1fa06ceddf
commit bb10dcf573
2 changed files with 34 additions and 6 deletions
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25
builtin/submodule--helper.c
View File

@@ -32,6 +32,8 @@
#include "advice.h"
#include "branch.h"
#include "list-objects-filter-options.h"
#include "wildmatch.h"
#include "strbuf.h"
#define OPT_QUIET (1 << 0)
#define OPT_CACHED (1 << 1)
@@ -3329,6 +3331,9 @@ static void configure_added_submodule(struct add_data *add_data)
struct child_process add_submod = CHILD_PROCESS_INIT;
struct child_process add_gitmodules = CHILD_PROCESS_INIT;
const struct string_list *values;
size_t i;
int matched = 0;
key = xstrfmt("submodule.%s.url", add_data->sm_name);
git_config_set_gently(key, add_data->realrepo);
free(key);
@@ -3370,20 +3375,28 @@ static void configure_added_submodule(struct add_data *add_data)
* is_submodule_active(), since that function needs to find
* out the value of "submodule.active" again anyway.
*/
if (!git_config_get("submodule.active")) {
if (git_config_get("submodule.active") || /* key absent */
git_config_get_string_multi("submodule.active", &values)) {
/*
* If the submodule being added isn't already covered by the
* current configured pathspec, set the submodule's active flag
*/
if (!is_submodule_active(the_repository, add_data->sm_path)) {
key = xstrfmt("submodule.%s.active", add_data->sm_name);
git_config_set_gently(key, "true");
free(key);
} else {
for (i = 0; i < values->nr; i++) {
const char *pat = values->items[i].string;
if (!wildmatch(pat, add_data->sm_path, 0)) { /* match found */
matched = 1;
break;
}
}
if (!matched) { /* no pattern matched -> force-enable */
key = xstrfmt("submodule.%s.active", add_data->sm_name);
git_config_set_gently(key, "true");
free(key);
}
} else {
key = xstrfmt("submodule.%s.active", add_data->sm_name);
git_config_set_gently(key, "true");
free(key);
}
}

15
t/t7413-submodule-is-active.sh
View File

@@ -124,4 +124,19 @@ test_expect_success 'is-active, submodule.active and submodule add' '
git -C super2 config --get submodule.mod.active
'
test_expect_success 'submodule add skips redundant active entry' '
git init repo &&
(
cd repo &&
git config submodule.active "lib/*" &&
git commit --allow-empty -m init &&
git init ../lib-origin &&
git -C ../lib-origin commit --allow-empty -m init &&
git submodule add ../lib-origin lib/foo &&
test_must_fail git config --get submodule.lib/foo.active
)
'
test_done