#! /bin/sh
#
# $FreeBSD$

PATH=/bin:/usr/bin:/usr/sbin

case "$2" in
DEINSTALL)
  echo "---> Starting deinstall script"

  if /usr/bin/crontab -u "%%USER%%" -l | \
      /usr/bin/diff -B -b - "%%MAILMANDIR%%/cron/crontab.in" >/dev/null 2>&1 ; then
      echo "---> Zeroing crontab for \"%%USER%%\""
      /usr/bin/crontab -u "%%USER%%" -r </dev/null
      if [ -e /var/cron/allow ]; then
         grep -v "^%%USER%%$" /var/cron/allow > /var/cron/allow.new$$
         mv /var/cron/allow.new$$ /var/cron/allow
      fi
  else
      echo "---> Crontab for \"%%USER%%\" modified, not removed: please deinstall"
      echo "---> it manually if you no longer wish to use Mailman. E.g.:"
      echo "--->     /usr/bin/crontab -u \"%%USER%%\" -r"
  fi

  echo "---> Preserving the \"last_mailman_version\" file"
  /bin/mv -f "%%MAILMANDIR%%/data/last_mailman_version" /var/tmp/ || :

  # If the errorlog is the only existing logfile, delete it.  (If Mailman's
  # qrunner had not been running, then the process of trying to stop the
  # qrunner (above) will cause the errorlog to be written to.  Hence, even if
  # the Mailman port/package is installed and immediately deinstalled, the
  # errorlog will exist.)
  if [ "`echo %%MAILMANDIR%%/logs/*`" = "%%MAILMANDIR%%/logs/error" ]; then
    echo "---> Deleting errorlog (It is the only existing logfile.)"
    /bin/rm -f "%%MAILMANDIR%%/logs/error"
  fi

  # attempt removal, but do not care if it is not empty
  /bin/rmdir "%%MAILMANDIR%%/archives/private/" 2>/dev/null || :
  ;;

POST-DEINSTALL)
  echo "---> Starting post-deinstall script"

  set -- "%%MAILMANDIR%%/lists"/*
  if [ $# -gt 1 ] || [ "x$1" != "x%%MAILMANDIR%%/lists/*" ] ; then
    echo '---> %%MAILMANDIR%%/lists is not empty - this installation may have active lists! Listing max. 10:'
    find "%%MAILMANDIR%%/lists" -mindepth 1 -maxdepth 1 | head -n 10 || :
    echo "---> Restoring \"last_mailman_version\" file"
    if test -d "%%MAILMANDIR%%" ; then 
	/bin/mkdir -p "%%MAILMANDIR%%/data" && \
        /bin/mv -f /var/tmp/last_mailman_version "%%MAILMANDIR%%/data/"
    else
	/bin/rm -f /var/tmp/last_mailman_version
    fi
  fi

  ;;
esac