#!/bin/bash set -e case "$1" in remove) if command -v update-grub > /dev/null && [ -d /boot/grub ]; then update-grub || : fi ;; purge|upgrade|failed-upgrade|abort-install|abort-upgrade|disappear) ;; *) echo "postrm called with unknown argument \`$1'" >&2 exit 1 ;; esac exit 0