switch: reject if some operation is in progress

diff --git a/builtin/diff.c b/builtin/diff.c
index 777ca8715626f30937d399326e45bd693ead6661..53d4234ff4812845459556b1257e779c528250b8 100644 (file)
--- a/builtin/diff.c
+++ b/builtin/diff.c
@@ -3,6 +3,7 @@
  *
  * Copyright (c) 2006 Junio C Hamano
  */
+#define USE_THE_INDEX_COMPATIBILITY_MACROS
 #include "cache.h"
 #include "config.h"
 #include "lockfile.h"
@@ -102,7 +103,7 @@ static int builtin_diff_blobs(struct rev_info *revs,
                              int argc, const char **argv,
                              struct object_array_entry **blob)
 {
-       unsigned mode = canon_mode(S_IFREG | 0644);
+       const unsigned mode = canon_mode(S_IFREG | 0644);
 
        if (argc > 1)
                usage(builtin_diff_usage);
@@ -212,7 +213,7 @@ static void refresh_index_quietly(void)
        discard_cache();
        read_cache();
        refresh_cache(REFRESH_QUIET|REFRESH_UNMERGED);
-       update_index_if_able(&the_index, &lock_file);
+       repo_update_index_if_able(the_repository, &lock_file);
 }
 
 static int builtin_diff_files(struct rev_info *revs, int argc, const char **argv)