freebsd-ports/devel/distcc/pkg-install

#!/bin/sh

case $2 in
POST-INSTALL)
	USER=distcc
	GROUP=${USER}
	UID=561
	GID=${UID}
	PW=/usr/sbin/pw
	CHOWN=/usr/sbin/chown
	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 ${GROUP} -h - \
			-d "/nonexistent" -s /usr/sbin/nologin -c "Distcc user"
		then
			echo "Added user \"${USER}\"."
		else
			echo "Adding user \"${USER}\" failed..."
			exit 1
		fi
	fi
	exit 0
	;;
esac