From 9f558aa5d90aed1b997c00902c1dda043b25d609 Mon Sep 17 00:00:00 2001
From: WJXHenry <wjxhenry@gmail.com>
Date: Thu, 2 May 2019 19:09:21 -0600
Subject: [PATCH] fix 'listCommits' when only callback is given

---
 lib/Repository.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/Repository.js b/lib/Repository.js
index f59cf0d0..5c8eb7ff 100644
--- a/lib/Repository.js
+++ b/lib/Repository.js
@@ -187,8 +187,10 @@ class Repository extends Requestable {
     * @return {Promise} - the promise for the http request
     */
    listCommits(options, cb) {
-      options = options || {};
-
+      if (typeof options === 'function') {
+         cb = options;
+         options = {};
+      }
       options.since = this._dateToISO(options.since);
       options.until = this._dateToISO(options.until);