Fix --walk-reflog with --pretty=oneline

Now, "git log --abbrev-commit --pretty=o --walk-reflogs HEAD" is
reasonably pleasant to use.

Signed-off-by: Junio C Hamano <junkio@cox.net>

1 files changed, 22 insertions, 11 deletions

diff --git a/reflog-walk.c b/reflog-walk.c
index 989a7aee95..8ccbe97760 100644
--- a/reflog-walk.c
+++ b/reflog-walk.c
@@ -219,21 +219,32 @@ void fake_reflog_parent(struct reflog_walk_info *info, struct commit *commit)
 	commit->object.flags &= ~(ADDED | SEEN | SHOWN);
 }
 
-void show_reflog_message(struct reflog_walk_info* info)
+void show_reflog_message(struct reflog_walk_info* info, int oneline)
 {
 	if (info && info->last_commit_reflog) {
 		struct commit_reflog *commit_reflog = info->last_commit_reflog;
 		struct reflog_info *info;
 
-		printf("Reflog: %s@{", commit_reflog->reflogs->ref);
-		info = &commit_reflog->reflogs->items[commit_reflog->recno + 1];
-		if (commit_reflog->flag)
-			printf("%s", show_rfc2822_date(info->timestamp,
-						info->tz));
-		else
-			printf("%d", commit_reflog->reflogs->nr
-					- 2 - commit_reflog->recno);
-		printf("} (%s)\nReflog message: %s",
-			info->email, info->message);
+		info = &commit_reflog->reflogs->items[commit_reflog->recno+1];
+		if (oneline) {
+			printf("%s@{", commit_reflog->reflogs->ref);
+			if (commit_reflog->flag)
+				printf("%s", show_date(info->timestamp, 0, 1));
+			else
+				printf("%d", commit_reflog->reflogs->nr
+				       - 2 - commit_reflog->recno);
+			printf("}: ");
+		}
+		else {
+			printf("Reflog: %s@{", commit_reflog->reflogs->ref);
+			if (commit_reflog->flag)
+				printf("%s", show_rfc2822_date(info->timestamp,
+							       info->tz));
+			else
+				printf("%d", commit_reflog->reflogs->nr
+				       - 2 - commit_reflog->recno);
+			printf("} (%s)\nReflog message: %s",
+			       info->email, info->message);
+		}
 	}
 }