Make '--decorate' set an explicit 'show_decorations' flag

We will want to add decorations without necessarily showing them, so add
an explicit revisions info flag as to whether we're showing decorations
or not.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/log-tree.c b/log-tree.c
index cf7947b..5444f08 100644
--- a/log-tree.c
+++ b/log-tree.c
@@ -59,6 +59,8 @@ void show_decorations(struct rev_info *opt, struct commit *commit)
 
 	if (opt->show_source && commit->util)
 		printf(" %s", (char *) commit->util);
+	if (!opt->show_decorations)
+		return;
 	decoration = lookup_decoration(&name_decoration, &commit->object);
 	if (!decoration)
 		return;