send-pack: do not give up when remote has insanely large number of refs.

diff --git a/sha1_file.c b/sha1_file.c
index 1d799f793a936a696cea86deb36fa2bdb04c29f4..9cab99ae7c2b1e59db7be26d79d287254db21211 100644 (file)
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -828,6 +828,25 @@ static unsigned long unpack_object_header(struct packed_git *p, unsigned long of
        return offset;
 }
 
+int check_reuse_pack_delta(struct packed_git *p, unsigned long offset,
+                          unsigned char *base, unsigned long *sizep,
+                          enum object_type *kindp)
+{
+       unsigned long ptr;
+       int status = -1;
+
+       use_packed_git(p);
+       ptr = offset;
+       ptr = unpack_object_header(p, ptr, kindp, sizep);
+       if (*kindp != OBJ_DELTA)
+               goto done;
+       memcpy(base, p->pack_base + ptr, 20);
+       status = 0;
+ done:
+       unuse_packed_git(p);
+       return status;
+}
+
 void packed_object_info_detail(struct pack_entry *e,
                               char *type,
                               unsigned long *size,