_global_units() {
	_units=(dirmngr.socket gpg-agent.socket gpg-agent-{browser,extra,ssh}.socket)

	case $1 in
		enable)
			systemctl --global preset ${units[@]}
			;;
		disable)
			systemctl --global disable ${units[@]}
			;;
	esac
}

post_install() {
	# See FS#42798 and FS#47371
	dirmngr </dev/null &>/dev/null

	# Let systemd supervise daemons by default
	_global_units enable
}

post_upgrade() {
	if (( $(vercmp $2 2.1.13-1) < 0 )); then
		echo "==> Please kill running gpg-agent and dirmngr processes before using this release."
	fi

	if (( $(vercmp $2 2.1.21-3) < 0 )); then
		_global_units enable
	fi
}

pre_remove() {
	_global_units disable
}