post_install() {
  echo ">>> To use powerline instead of i3bar, replace"
  echo ">>>   bar {"
  echo ">>>      status_command i3status"
  echo ">>>   }"
  echo ">>> in your i3/config with this line:"
  echo '>>> exec_always "killall powerline-lemonbar; powerline-lemonbar --i3 --clicks --height 16 -- -a 40 -b -f \'DejaVu Sans Mono for Powerline-11\' -f \'FontAwesome-11\'"'
}