help: reuse print_columns() for help -a

diff --git a/builtin/name-rev.c b/builtin/name-rev.c
index 31f5c1c971381a9490b717e0413ee9a40260ef39..1b374583c2751801dfae1d0d1861d28f81c7ad7b 100644 (file)
--- a/builtin/name-rev.c
+++ b/builtin/name-rev.c
@@ -172,7 +172,9 @@ static void show_name(const struct object *obj,
 }
 
 static char const * const name_rev_usage[] = {
-       "git name-rev [options] ( --all | --stdin | <commit>... )",
+       "git name-rev [options] <commit>...",
+       "git name-rev [options] --all",
+       "git name-rev [options] --stdin",
        NULL
 };
 
@@ -289,7 +291,7 @@ int cmd_name_rev(int argc, const char **argv, const char *prefix)
                max = get_max_object_index();
                for (i = 0; i < max; i++) {
                        struct object *obj = get_indexed_object(i);
-                       if (!obj)
+                       if (!obj || obj->type != OBJ_COMMIT)
                                continue;
                        show_name(obj, NULL,
                                  always, allow_undefined, data.name_only);