fetch-pack.c: move shallow update code out of fetch_pack()

diff --git a/connect.c b/connect.c
index 48eec414f7e25ffc704b8a394077a3b60c2a1b61..efadd3cbeb0c95f00c7ffd3d1d8d01eae0d9e483 100644 (file)
--- a/connect.c
+++ b/connect.c
@@ -116,7 +116,8 @@ static void annotate_refs_with_symref_info(struct ref *ref)
  */
 struct ref **get_remote_heads(int in, char *src_buf, size_t src_len,
                              struct ref **list, unsigned int flags,
-                             struct sha1_array *extra_have)
+                             struct sha1_array *extra_have,
+                             struct sha1_array *shallow_points)
 {
        struct ref **orig_list = list;
        int got_at_least_one_head = 0;
@@ -142,6 +143,15 @@ struct ref **get_remote_heads(int in, char *src_buf, size_t src_len,
                if (len > 4 && !prefixcmp(buffer, "ERR "))
                        die("remote error: %s", buffer + 4);
 
+               if (len == 48 && !prefixcmp(buffer, "shallow ")) {
+                       if (get_sha1_hex(buffer + 8, old_sha1))
+                               die("protocol error: expected shallow sha-1, got '%s'", buffer + 8);
+                       if (!shallow_points)
+                               die("repository on the other end cannot be shallow");
+                       sha1_array_append(shallow_points, old_sha1);
+                       continue;
+               }
+
                if (len < 42 || get_sha1_hex(buffer, old_sha1) || buffer[40] != ' ')
                        die("protocol error: expected sha/ref, got '%s'", buffer);
                name = buffer + 41;