difftool --no-index: error out on --dir-diff (and don't crash)

diff --git a/builtin/am.c b/builtin/am.c
index cd051fecdfc8e178496a698d9c7e7df5a6dd894e..4fb107a9d1bdf36ff4c71d761abdda4d50d0e24b 100644 (file)
--- a/builtin/am.c
+++ b/builtin/am.c
@@ -453,6 +453,7 @@ static int run_post_rewrite_hook(const struct am_state *state)
 
        cp.in = xopen(am_path(state, "rewritten"), O_RDONLY);
        cp.stdout_to_stderr = 1;
+       cp.trace2_hook_name = "post-rewrite";
 
        ret = run_command(&cp);
 
@@ -2120,6 +2121,10 @@ static int parse_opt_patchformat(const struct option *opt, const char *arg, int
                *opt_value = PATCH_FORMAT_HG;
        else if (!strcmp(arg, "mboxrd"))
                *opt_value = PATCH_FORMAT_MBOXRD;
+       /*
+        * Please update $__git_patchformat in git-completion.bash
+        * when you add new options
+        */
        else
                return error(_("Invalid value for --patch-format: %s"), arg);
        return 0;