From 2830a33aab9bbea8666f3e5df1bc588b89016bc6 Mon Sep 17 00:00:00 2001
From: Rhys Arkins <rhys@arkins.net>
Date: Fri, 26 Jan 2018 11:49:44 +0100
Subject: [PATCH] fix: check for valid lockedVersion
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When pinning, check that the “version” in a lock file is a valid semver, and ignore it if not.
---
 lib/workers/package/versions.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/workers/package/versions.js b/lib/workers/package/versions.js
index 5aa0b34334..71f51809fa 100644
--- a/lib/workers/package/versions.js
+++ b/lib/workers/package/versions.js
@@ -30,7 +30,7 @@ function determineUpgrades(npmDep, config) {
   // Check for a current range and pin it
   if (isRange(currentVersion)) {
     let newVersion;
-    if (lockedVersion) {
+    if (lockedVersion && semver.valid(lockedVersion)) {
       newVersion = lockedVersion;
     } else {
       // Pin ranges to their maximum satisfying version
-- 
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