wt-status: refactor initial commit printing

When we showed the initial commit, we had no reference to
diff against, so we went through the cache manually.
Nowadays, however, we have a virtual empty tree commit, so
we can simply diff against that to get the same results.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/wt-status.c b/wt-status.c
index c3a9cab8980daa38e647a13eb2f0fcb42fbfbb8e..cb1fc48079463a47b3d46ccc2096e9d450c39fdd 100644 (file)
--- a/wt-status.c
+++ b/wt-status.c
@@ -185,31 +185,12 @@ static void wt_status_print_changed_cb(struct diff_queue_struct *q,
                wt_status_print_trailer(s);
 }
 
-static void wt_status_print_initial(struct wt_status *s)
-{
-       int i;
-       struct strbuf buf = STRBUF_INIT;
-
-       if (active_nr) {
-               s->commitable = 1;
-               wt_status_print_cached_header(s);
-       }
-       for (i = 0; i < active_nr; i++) {
-               color_fprintf(s->fp, color(WT_STATUS_HEADER), "#\t");
-               color_fprintf_ln(s->fp, color(WT_STATUS_UPDATED), "new file: %s",
-                               quote_path(active_cache[i]->name, -1,
-                                          &buf, s->prefix));
-       }
-       if (active_nr)
-               wt_status_print_trailer(s);
-       strbuf_release(&buf);
-}
-
 static void wt_status_print_updated(struct wt_status *s)
 {
        struct rev_info rev;
        init_revisions(&rev, NULL);
-       setup_revisions(0, NULL, &rev, s->reference);
+       setup_revisions(0, NULL, &rev,
+               s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference);
        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
        rev.diffopt.format_callback = wt_status_print_updated_cb;
        rev.diffopt.format_callback_data = s;
@@ -351,12 +332,9 @@ void wt_status_print(struct wt_status *s)
                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "# Initial commit");
                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
-               wt_status_print_initial(s);
-       }
-       else {
-               wt_status_print_updated(s);
        }
 
+       wt_status_print_updated(s);
        wt_status_print_changed(s);
        if (wt_status_submodule_summary)
                wt_status_print_submodule_summary(s);