freebsd-ports/mail/cyrus/pkg-install

#!/bin/sh

#set -vx

#
# create 'cyrus' user and group before installing
#

create() {
	if [ ! -x /usr/sbin/pw ]; then
		echo "*** Please add a user and a group named \`cyrus' before installing this package."
		exit 69
	fi

	if ! pw show group cyrus -q >/dev/null; then
		gid=60
		while pw show group -g ${gid} -q >/dev/null; do
			gid=`expr ${gid} + 1`
		done
		if ! pw add group cyrus -g ${gid}; then
			e=$?
			echo "*** Failed to add group \`cyrus'. Please add it manually."
			exit ${e}
		fi
		echo "*** Added group \`cyrus' (id ${gid})"
	else
		gid=`pw show group cyrus 2>/dev/null | cut -d: -f3`
	fi

	if ! pw show user cyrus -q >/dev/null; then
		uid=60
		while pw show user -u ${uid} -q >/dev/null; do
			uid=`expr ${uid} + 1`
		done
		if ! pw add user cyrus -u ${uid} -g ${gid} -d "/nonexistent" \
				-c "the cyrus mail server" -s "/nonexistent" -p "*" \
				; then
			e=$?
			echo "*** Failed to add user \`cyrus'. Please add it manually."
			exit ${e}
		fi
		echo "*** Added user \`cyrus' (id ${uid})"
	else
		if ! pw mod user cyrus -g ${gid} -d "/nonexistent" \
				-c "the cyrus mail server" -s "/nonexistent" -p "*" \
				; then
			e=$?
			echo "*** Failed to update user \`cyrus'."
			exit ${e}
		fi
		echo "*** Updated user \`cyrus'."
	fi
	if ! pw group mod cyrus -m daemon; then
		echo "*** can't add user \`daemon' to group \`cyrus'"
	fi
}

case $2 in
	PRE-INSTALL)
		create
		;;
esac