apt-dist-upgrade.sh

#!/bin/bash
# Runs apt-get dist-upgrade so you don't develop carpel-tunnel
# from upgrading your system all the time like you should.

# Note: All arguments are passed to apt-get

hash apt-get 2>/dev/null || { echo >&2 "You need to install apt. Aborting."; exit 1; }

BASE_COMMAND="sudo apt-get $*"

# Ensure sudo privileges for the current user if not running as root.
if [[ $EUID -ne 0 ]]; then
  echo "NOTICE: Running as user $USER; sudo privileges required."
  if ! sudo echo "" > /dev/null 2>&1; then
    echo >&2 "ERROR: Must have sudo privileges to modify configuration files."
    exit 1
  fi
fi

if ! ${BASE_COMMAND} update; then
  echo >&2 "ERROR: System update failed."
  exit 1
fi
if ! ${BASE_COMMAND} dist-upgrade; then
  echo >&2 "ERROR: System upgrade failed."
  exit 1
fi
if ! ${BASE_COMMAND} autoremove; then
  echo >&2 "ERROR: Package autoremoval failed."
  exit 1
fi

exit 0