Automatically install packages after a firmware upgrade to the ERLite

install_my_packages.sh

#!/bin/bash

# Installed by:     Hans Guthrie
# Date:             11/6/2016
# Install dir:      /config/scripts/post-config.d/
# Notes:            The purpose of this file is to automatically install packages after a firmware upgrade to the
#                   ERLite. After every upgrade, the /config directory is copied to the new image.
#                   Followed steps from here:
#                       https://help.ubnt.com/hc/en-us/articles/204961814-EdgeMAX-Are-my-changes-lost-when-I-upgrade-the-firmware-image-
#
# TODO:             Add a -f/--force option to force install packages

# Packages to install
# EDIT THIS:
PACKAGES='screen rsync iftop iptraf mtr-tiny bmon htop git vim'


# Variable to ensure script doesn't run twice
doneit='/var/lib/my_packages'

if [ -e $doneit ]; then
  echo "Packages already installed. If not, delete /var/lib/my_packages"
  exit 0;
fi

apt-get update
apt-get install -y $PACKAGES

if [ $? == 0 ]; then
  echo package install successful
  touch $doneit
else
  echo package install failed
fi

exit 0