post_install() {
    echo -n "Updating vim help tags..."
    /usr/bin/vim --noplugins -u NONE -U NONE \
        --cmd ":helptags /usr/share/vim/doc" --cmd ":q" > /dev/null 2>&1
    echo "done."
    echo "To play tetris in vim, press \te"
    echo "Controls:"
    echo "h: left"
    echo "l: right"
    echo "j: down"
    echo "i,k: rotate"
    echo "<Space>: drop"
    echo "<Esc> or q: quit"
}

post_upgrade() {
  post_install $1
}

post_remove() {
  echo  "Updating vim help tags..."
  /usr/bin/vim --noplugins -u NONE -U NONE \
	  --cmd ":helptags /usr/share/vim/doc" --cmd ":q" > /dev/null 2>&1
}

op=$1
shift

$op $*