#!/bin/sh -e

if [ ${PKG_NAME} = firefox-esr ]; then
    if [ "$$1" = "upgrade" ] || [ "$$1" = "install" ] ; then
        dpkg-divert --package firefox-esr --divert /usr/bin/firefox.real --rename /usr/bin/firefox
    fi
fi

# Canonical shipped an AppArmor configuration via that file until 20.04 release
# but unfortunately there was no removal of it handled in the package.
# Mozilla Debian package "firefox" will thus inherit this rule and it may break
# some features, cf bug 1918003.
#
# The correct AppArmor configuration for that package lives at
# /etc/apparmor.d/firefox, and properly covers all the alternatives.
if [ ${PKG_NAME} = firefox ] ; then
  dpkg-maintscript-helper rm_conffile /etc/apparmor.d/usr.bin.firefox -- "$$@"
fi