fix ncp-update with no internet access

bin/ncp-check-updates

@@ -1,6 +1,9 @@
 #!/bin/bash
-  cat > /usr/local/bin/ncp-check-updates <<'EOF'
+
+# print message if an update is available
+
 VERFILE=/var/run/.ncp-latest-version
+
 if ncp-test-updates; then
   echo -e "\nNextCloudPi \e[1m$( cat $VERFILE )\e[0m available!!"
   echo -e "update through 'nextcloudpi-config' or type 'sudo ncp-update'" 

bin/ncp-check-version

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+# update latest available version in /var/run/.ncp-latest-version
+
+[ $(id -u) -ne 0 ] && exit 1
+
+ping  -W 2 -w 1 -q github.com &>/dev/null || { echo "No internet connectivity"; exit 1; }
+
+git clone -q --depth 1 https://github.com/nachoparker/nextcloud-raspbian-generator.git /tmp/ncp-check-tmp || exit 1
+
+cd /tmp/ncp-check-tmp
+git describe --always --tags > /var/run/.ncp-latest-version
+cd /
+
+rm -rf /tmp/ncp-check-tmp

bin/ncp-test-updates

@@ -1,5 +1,7 @@
 #!/bin/bash
 
+# given in disk version information, return 0 if an update is available
+
 NEED_UPDATE=false
 VERFILE=/var/run/.ncp-latest-version
 

bin/ncp-update

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+# update latest NextCloudPi code from github
+
+ping  -W 2 -w 1 -q github.com &>/dev/null || { echo "No internet connectivity"; exit 1; }
+echo -e "Downloading updates"
+rm -rf /tmp/ncp-update-tmp
+git clone -q --depth 1 https://github.com/nachoparker/nextcloud-raspbian-generator.git /tmp/ncp-update-tmp || exit 1
+cd /tmp/ncp-update-tmp
+
+echo -e "Performing updates"
+./update.sh
+
+VER=$( git describe --always --tags )
+echo $VER > /usr/local/etc/ncp-version
+echo $VER > /var/run/.ncp-latest-version
+
+cd /
+rm -rf /tmp/ncp-update-tmp
+
+echo -e "NextCloudPi updated to version \e[1m$VER\e[0m"

nextcloud.sh

@@ -264,23 +264,12 @@ EOF
   chmod a+x /etc/cron.daily/ncp-check-version
 
 
-  cat > /usr/local/bin/ncp-check-version <<'EOF'
-#!/bin/bash
-[ $(id -u) -ne 0 ] && exit 1
-git clone -q --depth 1 https://github.com/nachoparker/nextcloud-raspbian-generator.git /tmp/ncp-check-tmp
-cd /tmp/ncp-check-tmp
-git describe --always --tags > /var/run/.ncp-latest-version
-cd /
-rm -rf /tmp/ncp-check-tmp
-EOF
-  chmod a+x /usr/local/bin/ncp-check-version
-
-
   cat > /usr/local/bin/ncp-update <<'EOF'
 #!/bin/bash
+ping  -W 2 -w 1 -q github.com &>/dev/null || { echo "No internet connectivity"; exit 1; }
 echo -e "Downloading updates"
 rm -rf /tmp/ncp-update-tmp
-git clone -q --depth 1 https://github.com/nachoparker/nextcloud-raspbian-generator.git /tmp/ncp-update-tmp
+git clone -q --depth 1 https://github.com/nachoparker/nextcloud-raspbian-generator.git /tmp/ncp-update-tmp || exit 1
 cd /tmp/ncp-update-tmp
 
 echo -e "Performing updates"