- /*
- * Read all the refs from the other end
- */
- for (;;) {
- unsigned char old_sha1[20];
- static char buffer[1000];
- char *name;
- int len;
-
- len = packet_read_line(in, buffer, sizeof(buffer));
- if (!len)
- break;
- if (buffer[len-1] == '\n')
- buffer[--len] = 0;
-
- if (len < 42 || get_sha1_hex(buffer, old_sha1) || buffer[40] != ' ')
- die("protocol error: expected sha/ref, got '%s'", buffer);
- name = buffer + 41;
- ref = xmalloc(sizeof(*ref) + len - 40);
- memcpy(ref->old_sha1, old_sha1, 20);
- memset(ref->new_sha1, 0, 20);
- memcpy(ref->name, buffer + 41, len - 40);
- ref->next = NULL;
- *last_ref = ref;
- last_ref = &ref->next;
- }
-
- /*
- * Go through the refs, see if we want to update
- * any of them..
- */
- for (ref = ref_list; ref; ref = ref->next) {
- unsigned char new_sha1[20];
- char *name = ref->name;
-
- if (nr_match && !path_match(name, nr_match, match))
- continue;
-
- if (read_ref(name, new_sha1) < 0)
- continue;
-
- if (!memcmp(ref->old_sha1, new_sha1, 20)) {
- fprintf(stderr, "'%s' unchanged\n", name);
- continue;
- }
-
- if (!ref_newer(new_sha1, ref->old_sha1)) {
- error("remote '%s' points to object I don't have", name);
- continue;
- }