git-svn: fix show-ignore when not connected to the repository root

diff --git a/builtin-diff-files.c b/builtin-diff-files.c
index e1199f80ae34a53872ca6a74ae9678053e33db14..aec83384298042fc4509605299f82e82745ae675 100644 (file)
--- a/builtin-diff-files.c
+++ b/builtin-diff-files.c
@@ -23,7 +23,10 @@ int cmd_diff_files(int argc, const char **argv, const char *prefix)
        git_config(git_default_config); /* no "diff" UI options */
        rev.abbrev = 0;
 
-       argc = setup_revisions(argc, argv, &rev, NULL);
+       if (!setup_diff_no_index(&rev, argc, argv, nongit, prefix))
+               argc = 0;
+       else
+               argc = setup_revisions(argc, argv, &rev, NULL);
        if (!rev.diffopt.output_format)
                rev.diffopt.output_format = DIFF_FORMAT_RAW;
        return run_diff_files_cmd(&rev, argc, argv);