maybe chmod 0444 'apt/apt.conf.d/01autoremove-kernels'
maybe chmod 0644 'apt/apt.conf.d/05etckeeper'
maybe chmod 0644 'apt/apt.conf.d/20apt-esm-hook.conf'
+maybe chmod 0644 'apt/apt.conf.d/20apt-show-versions'
maybe chmod 0644 'apt/apt.conf.d/50command-not-found'
maybe chmod 0644 'apt/apt.conf.d/51ubuntu-advantage-esm'
maybe chmod 0644 'apt/apt.conf.d/70debconf'
maybe chmod 0644 'cron.daily/.placeholder'
maybe chmod 0755 'cron.daily/apache2'
maybe chmod 0755 'cron.daily/apt-compat'
+maybe chmod 0755 'cron.daily/apt-show-versions'
maybe chmod 0755 'cron.daily/aptitude'
maybe chmod 0755 'cron.daily/bsdmainutils'
maybe chmod 0755 'cron.daily/dpkg'
--- /dev/null
+// When Apt's cache is updated (i.e. apt-get update)
+APT::Update::Post-Invoke-Success {
+"test -x /usr/bin/apt-show-versions || exit 0 ; apt-show-versions -i";
+};