freebsd-ports/x11/gdm2/pkg-install

#!/bin/sh

if [ -n "${PACKAGE_BUILDING}" ]; then
	exit 0
fi

if [ "$2" = "POST-INSTALL" ]; then
	USER=gdm
	GROUP=${USER}
	UID=92
	GID=${UID}
	PW=/usr/sbin/pw

	if ${PW} group show "${GROUP}" 2>/dev/null; then
		echo "You already have a group \"${GROUP}\", so I will use it."
	else
		if ${PW} groupadd ${GROUP} -g ${GID}; then
			echo "Added group \"${GROUP}\"."
		else
			echo "Adding group \"${GROUP}\" failed..."
			exit 1
		fi
	fi

	if ${PW} user show "${USER}" 2>/dev/null; then
		echo "You already have a user \"${USER}\", so I will use it."
	else
		if ${PW} useradd ${USER} -u ${UID} -g ${GROUP} -h - \
			-d "/nonexistent" -s /sbin/nologin -c "GNOME Display Manager"
		then
			echo "Added user \"${USER}\"."
		else
			echo "Adding user \"${USER}\" failed..."
			exit 1
		fi
	fi
	exit 0
fi

if [ -z "${BATCH}" ]; then
	/usr/bin/dialog --yesno "GDM may contain vulnerabilities leading local root compromise, and it is reported widely with various security sites and groups. It is not recommended that this port be installed in public environment. Do you wish to accept the security risk and build GDM anyway?" 10 60 || /usr/bin/false
fi