#!/bin/sh
PKG_PREFIX=${PKG_PREFIX:-/usr/local}

ask() {
        local question default answer

        question=$1
        default=$2
        if [ -z "${PACKAGE_BUILDING}" -a -z "${BATCH}" ]; then
                read -t120 -p "${question} [${default}]? " answer
        fi
        echo ${answer:-${default}}
}

yesno() {
        local question default answer

        question=$1
        default=$2
        while :; do
                answer=$(ask "${question}" "${default}")
                case "${answer}" in
                [Yy]*)  return 0;;
                [Nn]*)  return 1;;
                esac
                echo "Please answer yes or no."
        done
}

if [ "$2" = "POST-INSTALL" ];then

   if yesno "Do you wish to run sa-update to fetch new rules" "N";then
       ${PKG_PREFIX}/bin/sa-update
       if [ $? -eq 4 ];then
          # rc=4 means host not found, might be old mirrors.
          rm -rf /var/db/spamassassin/3*/updates_spamassassin_org/MIRRORED.BY
          ${PKG_PREFIX}/bin/sa-update
       fi
   fi
   grep '^load.*Rule2XSBody' ${PKG_PREFIX}/etc/mail/spamassassin/v320.pre > /dev/null
   if [ $? -eq 0 ];then
     if yesno "Do you wish to compile rules with re2c (will take a long time)" "N";then
       ${PKG_PREFIX}/bin/sa-compile
     fi
   fi
   exit 0
fi  # post-install

if [ "$2" != "PRE-INSTALL" ]; then
    exit 0
fi

USER=spamd
GROUP=${USER}
UID=58
GID=${UID}
HOME=/var/spool/${USER}

if ! pw groupshow "${GROUP}" 2>/dev/null 1>&2; then
	if pw groupadd ${GROUP} -g ${GID}; then
		echo "Added group \"${GROUP}\"."
	else
		echo "Adding group \"${GROUP}\" failed..."
		exit 1
	fi
fi

if ! pw usershow "${USER}" 2>/dev/null 1>&2; then
	if pw useradd ${USER} -u ${UID} -g ${GROUP} -h - \
		-s "/sbin/nologin" -d "${HOME}" \
		-c "SpamAssassin user"; \
	then
		echo "Added user \"${USER}\"."
		mkdir ${HOME} && chown ${USER}:${GROUP} ${HOME}
	else
		echo "Adding user \"${USER}\" failed..."
		exit 1
	fi
fi

# Create pid directory
mkdir /var/run/spamd 2> /dev/null && chown ${USER}:${GROUP} /var/run/spamd

exit 0