#include "commit.h"
 #include "object.h"
 #include "remote.h"
+#include "connect.h"
 #include "transport.h"
 #include "string-list.h"
 #include "sha1-array.h"
 static int prefer_ofs_delta = 1;
 static int auto_update_server_info;
 static int auto_gc = 1;
+static int fix_thin = 1;
 static const char *head_name;
 static void *head_name_to_free;
 static int sent_capabilities;
                return NULL; /* good */
        }
        else {
-               lock = lock_any_ref_for_update(namespaced_name, old_sha1, 0);
+               lock = lock_any_ref_for_update(namespaced_name, old_sha1,
+                                              0, NULL);
                if (!lock) {
                        rp_error("failed to lock %s", name);
                        return "failed to lock";
                keeper[i++] = "--stdin";
                if (fsck_objects)
                        keeper[i++] = "--strict";
-               keeper[i++] = "--fix-thin";
+               if (fix_thin)
+                       keeper[i++] = "--fix-thin";
                keeper[i++] = hdr_arg;
                keeper[i++] = keep_arg;
                keeper[i++] = NULL;
                                stateless_rpc = 1;
                                continue;
                        }
+                       if (!strcmp(arg, "--reject-thin-pack-for-testing")) {
+                               fix_thin = 0;
+                               continue;
+                       }
 
                        usage(receive_pack_usage);
                }