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#!/bin/sh
#
#   $FreeBSD: /tmp/pcvs/ports/mail/postfix28/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