freebsd-ports/print/cups-base/pkg-install

#!/bin/sh
PATH=/bin:/usr/sbin

REPLACES_BINARIES="/usr/bin/lpr
					/usr/bin/lp
					/usr/bin/lpq
					/usr/bin/lprm
					/usr/bin/lpstat
					/usr/sbin/lpc"

case $2 in
POST-INSTALL)
	# Unshade binaries
	if [ "${3}" = "overwrite" ]; then
		for FILE in ${REPLACES_BINARIES}; do
			[ -e "${FILE}" ] && chmod -h 0 "${FILE}"
		done
	fi

	# Create user
	USER=cups
	GROUP=${USER}
	UID=193
	GID=${UID}

	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 ${GROUP} -h - \
			-d /nonexistent -s /sbin/nologin -c "CUPS Owner"
		then
			echo "Added user \"${USER}\"."
		else
			echo "Adding user \"${USER}\" failed..."
			exit 1
		fi
	fi
	;;
esac