From 092d22acbcd87dc136a7595d9d4802add44e5270 Mon Sep 17 00:00:00 2001
From: nachoparker <nacho@ownyourbits.com>
Date: Sat, 20 May 2017 10:57:40 +0200
Subject: fix update.sh

---
 update.sh | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/update.sh b/update.sh
index 6050d316..c23f0ebb 100755
--- a/update.sh
+++ b/update.sh
@@ -9,7 +9,6 @@
 # More at https://ownyourbits.com/
 #
 
-
 cp etc/library.sh /usr/local/etc/
 
 source /usr/local/etc/library.sh
@@ -26,11 +25,13 @@ for file in etc/nextcloudpi-config.d/*; do
   [ -f /usr/local/$file ] || install_script $file
 
   # save current configuration to (possibly) updated script
-  VARS=( $( grep "^[[:alpha:]]\+_=" /usr/local/$file | cut -d= -f1 ) )
-  VALS=( $( grep "^[[:alpha:]]\+_=" /usr/local/$file | cut -d= -f2 ) )
-  for i in `seq 0 1 ${#VARS[@]} `; do
-    sed -i "s|^${VARS[$i]}=.*|${VARS[$i]}=${VALS[$i]}|" $file
-  done
+  [ -f /usr/local/$file ] && {
+    VARS=( $( grep "^[[:alpha:]]\+_=" /usr/local/$file | cut -d= -f1 ) )
+    VALS=( $( grep "^[[:alpha:]]\+_=" /usr/local/$file | cut -d= -f2 ) )
+    for i in `seq 0 1 ${#VARS[@]} `; do
+      sed -i "s|^${VARS[$i]}=.*|${VARS[$i]}=${VALS[$i]}|" $file
+    done
+  }
 
   cp $file /usr/local/$file
 done
-- 
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