#!/bin/bash

# This script must be run as the web user which must be specified as the first parameter
# You may also need to use sudo to invoke the script unless you already have the correct
# permissions to switch user (su)

# NOTE:
# This install is designed to be run in place at the webserver location. It is not meant to be run from a
# dev environment. For that use update-from-dev.sh


# Params check
if [ $# != 1 ]; then
   echo "There must be 1 args. Usage:"
   echo "./install.sh www-user"
   exit;
fi

webuser=$1

prompt_confirm() {
  while true; do
    read -r -n 1 -p "${1:-Continue?} [y/n]: " REPLY
    case $REPLY in
      [yY]) echo ; return 0 ;;
      [nN]) echo ; return 1 ;;
      *) printf " \033[31m %s \n\033[0m" "invalid input"
    esac 
  done  
}

echo
echo "This script will git-pull and apply the latest changes"
prompt_confirm "Do you wish to update?" || exit 0

echo "Switching user to $webuser"
# won't work on its own. Need sudo and feed it a command string
# su -s /bin/bash $webuser 

sudo su -s /bin/bash $webuser << EOF
git pull
echo "Running install.php"
php install.php
EOF