# arg 1:  the new package version
# arg 2:  the old package version
post_upgrade() {
  if [ "$(vercmp $2 0.33)" -lt 0 ]; then
    echo ">>> Your monotone databases will need updating for an internal format"
    echo ">>> change. Please run the following command on your databases:"
    echo ">>>    $ mtn -d dbname.mtn db migrate"
  fi
  }

op=$1
shift
$op $*