Merge branch 'rs/name-rev-usage'

* rs/name-rev-usage:
  name-rev: split usage string

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
 };