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-rw-r--r--refs.c21
1 files changed, 16 insertions, 5 deletions
diff --git a/refs.c b/refs.c
index a5a5b5d..60f2507 100644
--- a/refs.c
+++ b/refs.c
@@ -825,6 +825,9 @@ struct packed_ref_cache {
* when it is unlocked.
*/
struct lock_file *lock;
+
+ /* The metadata from when this packed-refs cache was read */
+ struct stat_validity validity;
};
/*
@@ -862,6 +865,7 @@ static int release_packed_ref_cache(struct packed_ref_cache *packed_refs)
{
if (!--packed_refs->referrers) {
free_ref_entry(packed_refs->root);
+ stat_validity_clear(&packed_refs->validity);
free(packed_refs);
return 1;
} else {
@@ -1053,19 +1057,26 @@ static void read_packed_refs(FILE *f, struct ref_dir *dir)
*/
static struct packed_ref_cache *get_packed_ref_cache(struct ref_cache *refs)
{
+ const char *packed_refs_file;
+
+ if (*refs->name)
+ packed_refs_file = git_path_submodule(refs->name, "packed-refs");
+ else
+ packed_refs_file = git_path("packed-refs");
+
+ if (refs->packed &&
+ !stat_validity_check(&refs->packed->validity, packed_refs_file))
+ clear_packed_ref_cache(refs);
+
if (!refs->packed) {
- const char *packed_refs_file;
FILE *f;
refs->packed = xcalloc(1, sizeof(*refs->packed));
acquire_packed_ref_cache(refs->packed);
refs->packed->root = create_dir_entry(refs, "", 0, 0);
- if (*refs->name)
- packed_refs_file = git_path_submodule(refs->name, "packed-refs");
- else
- packed_refs_file = git_path("packed-refs");
f = fopen(packed_refs_file, "r");
if (f) {
+ stat_validity_update(&refs->packed->validity, fileno(f));
read_packed_refs(f, get_ref_dir(refs->packed->root));
fclose(f);
}