User check added

roles/live2dev/templates/cron.j2

 #!/bin/bash
 
+if [[ "${USER}" != "{{ item }}" ]]; then
+  echo "This script should be run as {{ item }}, please sudo first"
+  echo "sudo -u {{ item }} -s /bin/bash"
+  echo "${0}"
+  exit
+fi
+
 cd ~/sites
 
 GIT_PULL=$(git pull | grep -v "up-to-date")