From f190ca505be38b2a981ccd293b97ded9a5c0e146 Mon Sep 17 00:00:00 2001
From: Rhys Arkins <rhys@arkins.net>
Date: Thu, 3 May 2018 19:27:57 +0200
Subject: [PATCH] fix(docker): handle null string when extracting
---
lib/manager/docker/extract.js | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/lib/manager/docker/extract.js b/lib/manager/docker/extract.js
index ac2c7cab88..2a12eaac68 100644
--- a/lib/manager/docker/extract.js
+++ b/lib/manager/docker/extract.js
@@ -4,6 +4,10 @@ module.exports = {
};
function groupedRegex(string, pattern) {
+ // istanbul ignore if
+ if (!string) {
+ return [];
+ }
const matches = string.match(new RegExp(pattern.source, pattern.flags));
if (!matches) {
return [];
--
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