#define POPPED (1U << 4)
static struct commit_list *rev_list = NULL;
-static int non_common_revs = 0;
+static int non_common_revs = 0, multi_ack = 0;
static void rev_list_push(struct commit *commit, int mark)
{
static int rev_list_insert_ref(const char *path, const unsigned char *sha1)
{
- struct object *o = deref_tag(parse_object(sha1));
+ struct object *o = deref_tag(parse_object(sha1), path, 0);
- if (o->type == commit_type)
+ if (o && o->type == commit_type)
rev_list_push((struct commit *)o, SEEN);
return 0;
continue;
}
- packet_write(fd[1], "want %s\n", sha1_to_hex(remote));
+ packet_write(fd[1], "want %s%s\n", sha1_to_hex(remote),
+ multi_ack ? " multi_ack" : "");
fetching++;
}
packet_flush(fd[1]);
if (verbose)
fprintf(stderr, "have %s\n", sha1_to_hex(sha1));
if (!(31 & ++count)) {
+ int ack;
+
packet_flush(fd[1]);
flushes++;
*/
if (count == 32)
continue;
- if (get_ack(fd[0], result_sha1)) {
- flushes = 0;
- retval = 0;
- if (verbose)
- fprintf(stderr, "got ack\n");
- break;
- }
+
+ do {
+ ack = get_ack(fd[0], result_sha1);
+ if (verbose && ack)
+ fprintf(stderr, "got ack %d %s\n", ack,
+ sha1_to_hex(result_sha1));
+ if (ack == 1) {
+ flushes = 0;
+ multi_ack = 0;
+ retval = 0;
+ goto done;
+ } else if (ack == 2) {
+ struct commit *commit =
+ lookup_commit(result_sha1);
+ mark_common(commit, 0, 1);
+ retval = 0;
+ }
+ } while (ack);
flushes--;
}
}
-
+done:
packet_write(fd[1], "done\n");
if (verbose)
fprintf(stderr, "done\n");
- if (retval != 0)
+ if (retval != 0) {
+ multi_ack = 0;
flushes++;
- while (flushes) {
- flushes--;
- if (get_ack(fd[0], result_sha1)) {
+ }
+ while (flushes || multi_ack) {
+ int ack = get_ack(fd[0], result_sha1);
+ if (ack) {
if (verbose)
- fprintf(stderr, "got ack\n");
- return 0;
+ fprintf(stderr, "got ack (%d) %s\n", ack,
+ sha1_to_hex(result_sha1));
+ if (ack == 1)
+ return 0;
+ multi_ack = 1;
+ continue;
}
+ flushes--;
}
return retval;
}
* Don't mark them common yet; the server has to be told so first.
*/
for (ref = *refs; ref; ref = ref->next) {
- struct object *o = deref_tag(lookup_object(ref->old_sha1));
+ struct object *o = deref_tag(lookup_object(ref->old_sha1),
+ NULL, 0);
if (!o || o->type != commit_type || !(o->flags & COMPLETE))
continue;
pid_t pid;
get_remote_heads(fd[0], &ref, 0, NULL, 0);
+ if (server_supports("multi_ack")) {
+ if (verbose)
+ fprintf(stderr, "Server supports multi_ack\n");
+ multi_ack = 1;
+ }
if (!ref) {
packet_flush(fd[1]);
die("no matching remote head");