From e3b0c0350793349afc1602431da2895eb0041a82 Mon Sep 17 00:00:00 2001
From: Tuomas Tynkkynen <tuomas@tuxera.com>
Date: Sun, 19 Nov 2017 03:33:06 +0200
Subject: [PATCH] update-source-version: Escape plus sign if it occurs in
 version

---
 pkgs/common-updater/scripts/update-source-version | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/common-updater/scripts/update-source-version b/pkgs/common-updater/scripts/update-source-version
index 13f8adf56771..c5f7db281625 100755
--- a/pkgs/common-updater/scripts/update-source-version
+++ b/pkgs/common-updater/scripts/update-source-version
@@ -39,8 +39,8 @@ if [ "$oldVersion" = "$newVersion" ]; then
     exit 0
 fi
 
-# Escape dots, there should not be any other regex characters allowed in store path names
-oldVersion=$(echo "$oldVersion" | sed -re 's|\.|\\.|g')
+# Escape regex metacharacter that are allowed in store path names
+oldVersion=$(echo "$oldVersion" | sed -re 's|[.+]|\\&|g')
 
 if [ $(grep -c -E "^\s*(let\b)?\s*version\s+=\s+\"$oldVersion\"" "$nixFile") = 1 ]; then
     pattern="/\bversion\b\s*=/ s|\"$oldVersion\"|\"$newVersion\"|"