static void one_remote_ref(const char *refname)
{
struct ref *ref;
struct object *obj;
ref = alloc_ref(refname);
if (http_fetch_ref(repo->url, ref) != 0) {
fprintf(stderr,
"Unable to fetch ref %s from %s\n",
refname, repo->url);
free(ref);
return;
}
/*
* Fetch a copy of the object if it doesn't exist locally - it
* may be required for updating server info later.
*/
if (repo->can_update_info_refs && !has_object_file(&ref->old_oid)) {
obj = lookup_unknown_object(ref->old_oid.hash);
fprintf(stderr, " fetch %s for %s\n",
oid_to_hex(&ref->old_oid), refname);
add_fetch_request(obj);
}
ref->next = remote_refs;
remote_refs = ref;
}
static struct ref *parse_info_refs(struct discovery *heads)
{
char *data, *start, *mid;
char *ref_name;
int i = 0;
struct ref *refs = NULL;
struct ref *ref = NULL;
struct ref *last_ref = NULL;
data = heads->buf;
start = NULL;
mid = data;
while (i < heads->len) {
if (!start) {
start = &data[i];
}
if (data[i] == '\t')
mid = &data[i];
if (data[i] == '\n') {
if (mid - start != 40)
die("%sinfo/refs not valid: is this a git repository?",
url.buf);
data[i] = 0;
ref_name = mid + 1;
ref = xmalloc(sizeof(struct ref) +
strlen(ref_name) + 1);
memset(ref, 0, sizeof(struct ref));
strcpy(ref->name, ref_name);
get_sha1_hex(start, ref->old_sha1);
if (!refs)
refs = ref;
if (last_ref)
last_ref->next = ref;
last_ref = ref;
start = NULL;
}
i++;
}
ref = alloc_ref("HEAD");
if (!http_fetch_ref(url.buf, ref) &&
!resolve_remote_symref(ref, refs)) {
ref->next = refs;
refs = ref;
} else {
free(ref);
}
return refs;
}
static void add_remote_info_ref(struct remote_ls_ctx *ls)
{
struct strbuf *buf = (struct strbuf *)ls->userData;
struct object *o;
struct ref *ref;
ref = alloc_ref(ls->dentry_name);
if (http_fetch_ref(repo->url, ref) != 0) {
fprintf(stderr,
"Unable to fetch ref %s from %s\n",
ls->dentry_name, repo->url);
aborted = 1;
free(ref);
return;
}
o = parse_object(&ref->old_oid);
if (!o) {
fprintf(stderr,
"Unable to parse object %s for remote ref %s\n",
oid_to_hex(&ref->old_oid), ls->dentry_name);
aborted = 1;
free(ref);
return;
}
strbuf_addf(buf, "%s\t%s\n",
oid_to_hex(&ref->old_oid), ls->dentry_name);
if (o->type == OBJ_TAG) {
o = deref_tag(o, ls->dentry_name, 0);
if (o)
strbuf_addf(buf, "%s\t%s^{}\n",
oid_to_hex(&o->oid), ls->dentry_name);
}
free(ref);
}
static int fetch_ref(struct walker *walker, struct ref *ref)
{
struct walker_data *data = walker->data;
return http_fetch_ref(data->alt->base, ref);
}
