static struct ref_list *get_packed_refs(const char *submodule)
{
const char *packed_refs_file;
struct cached_refs *refs;
if (submodule) {
packed_refs_file = git_path_submodule(submodule, "packed-refs");
refs = &submodule_refs;
free_ref_list(refs->packed);
} else {
packed_refs_file = git_path("packed-refs");
refs = &cached_refs;
}
if (!refs->did_packed || submodule) {
printf("Openning %s\n", packed_refs_file);
FILE *f = fopen(packed_refs_file, "r");
refs->packed = NULL;
if (f) {
read_packed_refs(f, refs);
fclose(f);
}
refs->did_packed = 1;
}
return refs->packed;
}
static int resolve_gitlink_packed_ref(char *name, int pathlen, const char *refname, unsigned char *result)
{
FILE *f;
struct cached_refs refs;
struct ref_list *ref;
int retval;
strcpy(name + pathlen, "packed-refs");
f = fopen(name, "r");
if (!f)
return -1;
read_packed_refs(f, &refs);
fclose(f);
ref = refs.packed;
retval = -1;
while (ref) {
if (!strcmp(ref->name, refname)) {
retval = 0;
memcpy(result, ref->sha1, 20);
break;
}
ref = ref->next;
}
free_ref_list(refs.packed);
return retval;
}
static struct ref_list *get_packed_refs(void)
{
if (!cached_refs.did_packed) {
FILE *f = fopen(git_path("packed-refs"), "r");
cached_refs.packed = NULL;
if (f) {
read_packed_refs(f, &cached_refs);
fclose(f);
}
cached_refs.did_packed = 1;
}
return cached_refs.packed;
}