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#!/bin/sh
#
#	$FreeBSD: /tmp/pcvs/ports/mail/postfix27/files/pkg-install.in,v 1.3 2009-06-11 01:42:24 wxs Exp $
#

# If the POSTFIX_DEFAULT_MTA environment variable is set to YES, it
# will make the port/package use defaults which make postfix replace
# sendmail as much as possible.

PREFIX=${PKG_PREFIX:=%%PREFIX%%}
ETCDIR=${ETCDIR:=%%ETCDIR%%}
DAEMONDIR=${DAEMONDIR:=%%DAEMONDIR%%}
READMEDIR=${READMEDIR:=%%READMEDIR%%}
BATCH=${BATCH:=no}
POSTFIX_DEFAULT_MTA=${POSTFIX_DEFAULT_MTA:=no}

if [ "${POSTFIX_DEFAULT_MTA}" = "no" ]; then
      DEFAULT_REPLACE_MAILERCONF=n
else
      DEFAULT_REPLACE_MAILERCONF=y
fi

if [ -x /usr/sbin/nologin ]; then
      NOLOGIN=/usr/sbin/nologin
else
      NOLOGIN=/sbin/nologin
fi

ask() {
      local question default answer

      question=$1
      default=$2
      if [ -z "${PACKAGE_BUILDING}" -a "${BATCH}" = "no" ]; then
	      read -p "${question} [${default}]? " answer
      fi
      if [ -z "${answer}" ]; then
	      answer=${default}
      fi
      echo ${answer}
}

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" = "PRE-INSTALL" ]; then
      USER=postfix
      UID=125
      GROUP=postfix
      GID=125
      GROUP2=maildrop
      GID2=126

      if /usr/sbin/pw groupshow "${GROUP}" 2>/dev/null; then
	      echo "You already have a group \"${GROUP}\", so I will use it."
      else
	      if /usr/sbin/pw groupadd ${GROUP} -g ${GID}; then
		      echo "Added group \"${GROUP}\"."
	      else
		      echo "Adding group \"${GROUP}\" failed..."
		      echo "Please create it, and try again."
		      exit 1
	      fi
      fi

      if /usr/sbin/pw groupshow "${GROUP2}" 2>/dev/null; then
	      echo "You already have a group \"${GROUP2}\", so I will use it."
      else
	      if /usr/sbin/pw groupadd ${GROUP2} -g ${GID2}; then
		      echo "Added group \"${GROUP2}\"."
	      else
		      echo "Adding group \"${GROUP2}\" failed..."
		      echo "Please create it, and try again."
		      exit 1
	      fi
      fi

      if /usr/sbin/pw user show "${USER}" 2>/dev/null; then
	      echo "You already have a user \"${USER}\", so I will use it."
      else
	      if /usr/sbin/pw useradd ${USER} -u ${UID} -g ${GROUP} -h - -d /var/spool/postfix -s ${NOLOGIN} -c "Postfix Mail System"; then
		      echo "Added user \"${USER}\"."
	      else
		      echo "Adding user \"${USER}\" failed..."
		      echo "Please create it, and try again."
		      exit 1
	      fi
      fi

      if /usr/sbin/pw show group mail | grep -q "${USER}" 2>/dev/null; then
	      echo "You already have user \"${USER}\" in group \"mail\", so I will use it."
      else
	      echo "You need user \"${USER}\" added to group \"mail\"."
	      if yesno "Would you like me to add it" y; then
		      /usr/sbin/pw groupmod mail -m ${USER} || exit
		      echo "Done."
	      else
		      echo "Please create it, and try again."
		      exit 1
	      fi
      fi
fi

if [ "$2" = "POST-INSTALL" ]; then
	SAMPLES="main.cf master.cf" 
	for file in $SAMPLES
	do
		if [ ! -f ${ETCDIR}/$file ]; then
                	cp ${DAEMONDIR}/$file ${ETCDIR}/
		fi
	done

      /bin/sh ${DAEMONDIR}/post-install tempdir=/tmp \
	daemon_directory=${DAEMONDIR} \
	html_directory=${READMEDIR} \
	readme_directory=${READMEDIR} \
	upgrade-package
fi

replace() {
      local orig repl

	orig=$1
	repl=$2
	if [ -e ${orig} ]; then
		/bin/mv -f ${orig} ${orig}.OFF
		/bin/chmod 0 ${orig}.OFF
	fi
	if [ -e ${repl} ]; then
		/bin/ln -s ${repl} ${orig}
	fi
}

if [ "$2" = "POST-INSTALL" -a -z "${PACKAGE_BUILDING}" ]; then
	if yesno "Would you like to activate Postfix in /etc/mail/mailer.conf" ${DEFAULT_REPLACE_MAILERCONF}; then
		/bin/mv -f /etc/mail/mailer.conf /etc/mail/mailer.conf.old
		echo "#"						>	/etc/mail/mailer.conf
		echo -n "# Execute the Postfix sendmail program"	>>	/etc/mail/mailer.conf
		echo ", named ${PREFIX}/sbin/sendmail"		>>	/etc/mail/mailer.conf
		echo "#"						>>	/etc/mail/mailer.conf
		echo "sendmail	${PREFIX}/sbin/sendmail"	>>	/etc/mail/mailer.conf
		echo "send-mail	${PREFIX}/sbin/sendmail"	>>	/etc/mail/mailer.conf
		echo "mailq		${PREFIX}/sbin/sendmail"	>>	/etc/mail/mailer.conf
		echo "newaliases	${PREFIX}/sbin/sendmail"	>>	/etc/mail/mailer.conf
	fi
fi