Atom auto-update script for Debian/Ubuntu Linux

atom-update.sh

#!/bin/bash
if [ $EUID != 0 ]; then
   echo "You must be root to run this script" 1>&2
   exit 1
fi

URL_RELEASES="https://github.com/atom/atom/releases/latest"
NEW_RELEASE=$(curl -sL $URL_RELEASES | egrep -o 'href="([^"#]+)atom-amd64.deb"' | cut -d'"' -f2 | sort | uniq)
NEW_VERSION=$(echo $NEW_RELEASE | egrep -o '[0-9]+\.[0-9]+\.[0-9]+')
CURRENT_VERSION=$(atom --version | fgrep Atom | awk '{print $3}')

if [[ -z "$NEW_VERSION" ]]; then
  echo "New version could not be detected from $URL_RELEASES"
elif [[ $NEW_VERSION == $CURRENT_VERSION ]]; then
  echo "Current version $CURRENT_VERSION is the latest available"
else
  echo "Current version $CURRENT_VERSION is not the latest available $NEW_VERSION -> Updating ..."
  wget --progress=bar -q "https://github.com$NEW_RELEASE" -O /tmp/atom-amd64.deb -q --show-progress
  dpkg -i /tmp/atom-amd64.deb
  rm /tmp/atom-amd64.deb
fi

exit