archey4-pkgbuild/archey4.install

APP_PROFILE="/etc/apparmor.d/usr.bin.archey4"
LOCAL_APP_PROFILE="/etc/apparmor.d/local/usr.bin.archey4"

post_install() {
	# Handles AppArmor profile (see dh_apparmor).
	if [ -f "$APP_PROFILE" ]; then
		# Add the local/ include
		test -e "$LOCAL_APP_PROFILE" || {
			mkdir -p "$(dirname "$LOCAL_APP_PROFILE")"
			install --mode 644 /dev/null "$LOCAL_APP_PROFILE"
		}

		# Reload the profile, including any abstraction updates
		if aa-enabled --quiet 2>/dev/null; then
			apparmor_parser -r -T -W "$APP_PROFILE" || true
		fi
	fi

	# Creates a symbolic link providing `archey4` command alias.
	ln -s -f /usr/bin/archey /usr/bin/archey4
}

post_upgrade() {
	post_install
}

pre_remove() {
	# Removes symbolic link created by `post_install`.
	if [ -L /usr/bin/archey4 ]; then
		rm /usr/bin/archey4
	fi

	# Removes the AppArmor definition from kernel.
	if aa-enabled --quiet 2>/dev/null; then
		apparmor_parser -R "$APP_PROFILE" || true
	fi
}

post_remove() {
	# Handles AppArmor profile (see dh_apparmor).
	if ! [ -e "$APP_PROFILE" ] ; then
		rm -f /etc/apparmor.d/disable/usr.bin.archey4 || true
		rm -f /etc/apparmor.d/force-complain/usr.bin.archey4 || true
		rm -f "$LOCAL_APP_PROFILE" || true
		rm -f /var/cache/apparmor/*/usr.bin.archey4 || true
		rmdir /etc/apparmor.d/disable 2>/dev/null || true
		rmdir /etc/apparmor.d/local   2>/dev/null || true
		rmdir /etc/apparmor.d         2>/dev/null || true
	fi
}