Allow git-diff exit with codes similar to diff(1)

diff --git a/diff-lib.c b/diff-lib.c
index 6abb981534bf032d50e28eb3a14033c1b6546762..f9a1a10cc0319270358d658cd5e83bd5633fbf49 100644 (file)
--- a/diff-lib.c
+++ b/diff-lib.c
@@ -170,8 +170,10 @@ static int handle_diff_files_args(struct rev_info *revs,
                else if (!strcmp(argv[1], "--theirs"))
                        revs->max_count = 3;
                else if (!strcmp(argv[1], "-n") ||
-                               !strcmp(argv[1], "--no-index"))
+                               !strcmp(argv[1], "--no-index")) {
                        revs->max_count = -2;
+                       revs->diffopt.exit_with_status = 1;
+               }
                else if (!strcmp(argv[1], "-q"))
                        *silent = 1;
                else
@@ -237,6 +239,7 @@ int setup_diff_no_index(struct rev_info *revs,
                        break;
                } else if (i < argc - 3 && !strcmp(argv[i], "--no-index")) {
                        i = argc - 3;
+                       revs->diffopt.exit_with_status = 1;
                        break;
                }
        if (argc != i + 2 || (!is_outside_repo(argv[i + 1], nongit, prefix) &&