Separate object name errors from usage errors

Separate object name errors from usage errors.

Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>

1 files changed, 2 insertions, 2 deletions

diff --git a/tar-tree.c b/tar-tree.c
index fc60a90..3308736 100644
--- a/tar-tree.c
+++ b/tar-tree.c
@@ -321,8 +321,8 @@ int main(int argc, char **argv)
 		strbuf_append_string(&current_path, "/");
 		/* FALLTHROUGH */
 	case 2:
-		if (get_sha1(argv[1], sha1) < 0)
-			usage(tar_tree_usage);
+		if (get_sha1(argv[1], sha1))
+			die("Not a valid object name %s", argv[1]);
 		break;
 	default:
 		usage(tar_tree_usage);