pretty: add %D format specifier

Add a new format specifier, '%D' that is identical in behaviour to '%d',
except that it does not include the ' (' prefix or ')' suffix provided
by '%d'.

Signed-off-by: Harry Jeffery <harry@exec64.co.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 9 insertions, 8 deletions

diff --git a/log-tree.c b/log-tree.c
index 0c53dc1..f120fd3 100644
--- a/log-tree.c
+++ b/log-tree.c
@@ -179,14 +179,16 @@ static void show_children(struct rev_info *opt, struct commit *commit, int abbre
 }
 
 /*
- * The caller makes sure there is no funny color before
- * calling. format_decorations makes sure the same after return.
+ * The caller makes sure there is no funny color before calling.
+ * format_decorations_extended makes sure the same after return.
  */
-void format_decorations(struct strbuf *sb,
+void format_decorations_extended(struct strbuf *sb,
 			const struct commit *commit,
-			int use_color)
+			int use_color,
+			const char *prefix,
+			const char *separator,
+			const char *suffix)
 {
-	const char *prefix;
 	struct name_decoration *decoration;
 	const char *color_commit =
 		diff_get_color(use_color, DIFF_COMMIT);
@@ -196,7 +198,6 @@ void format_decorations(struct strbuf *sb,
 	decoration = lookup_decoration(&name_decoration, &commit->object);
 	if (!decoration)
 		return;
-	prefix = " (";
 	while (decoration) {
 		strbuf_addstr(sb, color_commit);
 		strbuf_addstr(sb, prefix);
@@ -205,11 +206,11 @@ void format_decorations(struct strbuf *sb,
 			strbuf_addstr(sb, "tag: ");
 		strbuf_addstr(sb, decoration->name);
 		strbuf_addstr(sb, color_reset);
-		prefix = ", ";
+		prefix = separator;
 		decoration = decoration->next;
 	}
 	strbuf_addstr(sb, color_commit);
-	strbuf_addch(sb, ')');
+	strbuf_addstr(sb, suffix);
 	strbuf_addstr(sb, color_reset);
 }