Fix update scripts from test branch

scripts/update.sh

@@ -0,0 +1,100 @@
+#!/bin/bash
+
+###Updates pivpn scripts (Not PiVPN)
+###Main Vars
+pivpnrepo="https://github.com/pivpn/pivpn.git"
+pivpnlocalpath="/etc/.pivpn"
+pivpnscripts="/opt/pivpn/"
+bashcompletiondir="/etc/bash_completion.d/"
+setupVars="/etc/pivpn/setupVars.conf"
+
+if [ ! -f "${setupVars}" ]; then
+    echo "::: Missing setup vars file!"
+    exit 1
+fi
+
+source "${setupVars}"
+
+###Functions
+##Updates scripts
+updatepivpnscripts(){
+    ##We don't know what sort of changes users have made.
+    ##Lets remove first /etc/.pivpn dir then clone it back again
+    echo "going do update PiVPN Scripts"
+    if [[ -d "$pivpnlocalpath" ]]; then
+      if [[ -n "$pivpnlocalpath" ]]; then
+        rm -rf "${pivpnlocalpath}/../.pivpn"
+        cloneandupdate
+			fi
+    else
+      cloneandupdate
+    fi
+    echo "PiVPN Scripts have been updated"
+}
+
+##Updates scripts using test branch
+updatefromtest(){
+    ##We don't know what sort of changes users have made.
+    ##Lets remove first /etc/.pivpn dir then clone it back again
+    echo "PiVPN Scripts updating from test branch"
+    if [[ -d "$pivpnlocalpath" ]]; then
+      if [[ -n "$pivpnlocalpath" ]]; then
+        rm -rf "${pivpnlocalpath}/../.pivpn"
+        cloneupdttest
+      fi
+    else
+      cloneupdttest
+    fi
+    echo "PiVPN Scripts updated have been updated from test branch"
+  }
+
+##Clone and copy pivpn scripts to /opt/pivpn
+cloneandupdate(){
+  git clone "$pivpnrepo" "$pivpnlocalpath"
+  cp "${pivpnlocalpath}"/scripts/*.sh "$pivpnscripts"
+  cp "${pivpnlocalpath}"/scripts/bash-completion "$bashcompletiondir"
+}
+
+##same as cloneandupdate() but from test branch
+##and falls back to master branch again after updating
+cloneupdttest(){
+  git clone "$pivpnrepo" "$pivpnlocalpath"
+  git -C "$pivpnlocalpath" checkout test
+  git -C "$pivpnlocalpath" pull origin test
+  cp "${pivpnlocalpath}"/scripts/*.sh "$pivpnscripts"
+  cp "${pivpnlocalpath}"/scripts/$VPN/*.sh "$pivpnscripts"
+  cp "${pivpnlocalpath}"/scripts/$VPN/bash-completion "$bashcompletiondir"
+  git -C "$pivpnlocalpath" checkout master
+}
+
+scriptusage(){
+    echo -e "Updates pivpn scripts,
+
+              Usage:
+              pivpn update              | updates from master branch
+              pivpn update -t or --test | updates from test branch"
+}
+
+## SCRIPT
+
+if [[ $# -eq 0 ]]; then
+    updatepivpnscripts
+else
+  while true; do
+    case "$1" in
+      -t|--test|test)
+          updatefromtest
+          exit 0
+          ;;
+      -h|--help|help)
+          scriptusage
+          exit 0
+          ;;
+      * )
+        updatepivpnscripts
+        exit 0
+        ;;
+    esac
+  done
+fi
+