Add some fancy colors in the test library when terminal supports it.

diff --git a/diff-lib.c b/diff-lib.c
index 92c0e39ad6f21e0511ee84052e2b762d6e447f61..da5571302df6ed418874fd4d7423853a7de5b52c 100644 (file)
--- a/diff-lib.c
+++ b/diff-lib.c
@@ -189,6 +189,7 @@ static int handle_diff_files_args(struct rev_info *revs,
                                !strcmp(argv[1], "--no-index")) {
                        revs->max_count = -2;
                        revs->diffopt.exit_with_status = 1;
+                       revs->diffopt.no_index = 1;
                }
                else if (!strcmp(argv[1], "-q"))
                        *silent = 1;
@@ -204,8 +205,10 @@ static int handle_diff_files_args(struct rev_info *revs,
                 */
                read_cache();
                if (!is_in_index(revs->diffopt.paths[0]) ||
-                                       !is_in_index(revs->diffopt.paths[1]))
+                                       !is_in_index(revs->diffopt.paths[1])) {
                        revs->max_count = -2;
+                       revs->diffopt.no_index = 1;
+               }
        }
 
        /*
@@ -293,7 +296,10 @@ int setup_diff_no_index(struct rev_info *revs,
        else
                revs->diffopt.paths = argv + argc - 2;
        revs->diffopt.nr_paths = 2;
+       revs->diffopt.no_index = 1;
        revs->max_count = -2;
+       if (diff_setup_done(&revs->diffopt) < 0)
+               die("diff_setup_done failed");
        return 0;
 }
 
@@ -304,7 +310,7 @@ int run_diff_files_cmd(struct rev_info *revs, int argc, const char **argv)
        if (handle_diff_files_args(revs, argc, argv, &silent_on_removed))
                return -1;
 
-       if (revs->max_count == -2) {
+       if (revs->diffopt.no_index) {
                if (revs->diffopt.nr_paths != 2)
                        return error("need two files/directories with --no-index");
                if (queue_diff(&revs->diffopt, revs->diffopt.paths[0],