Function is_rr_cache_dirname

rerere.c:1222–1227

Does the basename in "path" look plausibly like an rr-cache entry? */

/* Does the basename in "path" look plausibly like an rr-cache entry? */
static int is_rr_cache_dirname(const char *path)
{
	struct object_id oid;
	const char *end;
	return !parse_oid_hex(path, &oid, &end) && !*end;
}

void rerere_gc(struct repository *r, struct string_list *rr)
{