Wraps a complete upgrade in Cisco VPN uninstall/reinstall to avoid all the problems that that annoying software causes with upgrades.

upgradewithciscovpn.sh

#!/bin/bash
################################################################################
# The MIT License (MIT)
#
# Copyright (c) 2016 Mark LaPerriere
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
################################################################################

# Description:
#    Wraps a complete upgrade in Cisco VPN uninstall/reinstall to avoid all the problems
#    that that annoying software causes with upgrades.
#

if [ "$EUID" -ne 0 ]; then
  echo "This script must be run as root" 1>&2
  exit 1
fi

CISCO_VPN_UNINSTALL=/opt/cisco/vpn/bin/vpn_uninstall.sh
CISCO_VPN_INSTALL=$HOME/Downloads/vpnsetup.sh

doPrep() {
  apt-get update
}

doUpgrade() {
  apt-get upgrade
}

doPrep
if [ $? -ne 0 ]; then
  echo "Could not perform update prep function" 1>&2
  exit 1
fi

PKGS_ENQUEUED=$(apt-get -s upgrade | awk '/^Inst/ {print $2}')
if [ $? -ne 0 ]; then
  echo "Could not determine if there are any packages to install" 1>&2
  exit 1
fi

if [ -n "$PKGS_ENQUEUED" ]; then
  echo "Installing packages..."

  CISCO_VPN_UNINSTALLED=0
  if [ -f $CISCO_VPN_UNINSTALL ]; then
    echo "Cisco VPN is installed, uninstalling..."
    CISCO_VPN_UNINSTALLED=1
    /opt/cisco/vpn/bin/vpn_uninstall.sh
  fi

  doUpgrade

  if [ "$CISCO_VPN_UNINSTALLED" -eq 1 ]; then
    echo "Reinstalling Cisco VPN..."
    $CISCO_VPN_INSTALL
  fi

else
  echo "No packages to install"
fi