freebsd-ports/sysutils/sge/pkg-install

#!/bin/sh

u=sgeadmin
g=sgeadmin
ugid=103
homedir=/nonexistent
shell=/sbin/nologin
comment="Sun Grid Engine Admin"

case $2 in
PRE-INSTALL)
	if pw group show "${g}" >/dev/null 2>&1; then
		echo "Using existing group \"${g}\"."
	else
		echo "Creating group \"${g}\", (gid: ${ugid})."
		pw groupadd ${g} -g ${ugid}
		if [ $? != 0 ]; then
			echo "Failed to add group \"${g}\"."
			exit 1
		fi
	fi
	if pw user show "${u}" >/dev/null 2>&1; then
		echo "Using existing user \"${u}\"."
	else
		echo "Creating user \"${u}\", (uid: ${ugid})."
		pw useradd ${u} -u ${ugid} -g ${ugid} -h - \
		    -d ${homedir} -s ${shell} -c "${comment}"
		if [ $? != 0 ]; then
			echo "Failed to add user \"${u}\"."
			exit 1
		fi
	fi
	;;
esac