freebsd-ports/security/tor-devel/pkg-install

#! /bin/sh
#
# taken from devel/perforce

PATH=/bin:/usr/sbin

TOR_USER=${TOR_USER:-_tor}
TOR_GROUP=${TOR_GROUP:-_tor}

case $2 in
PRE-INSTALL)
	USER=${TOR_USER}
	UID="256"
	GROUP=${TOR_GROUP}
	GID="256"

	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 ${GROUP} -h - \
			-d /var/db/tor -c "Tor Daemon" -s /bin/sh
		then
			echo "Added user \"${USER}\"."
		else
			echo "Adding user \"${USER}\" failed..."
			exit 1
		fi
	fi

	;;
esac