post_install() {
  xdg-icon-resource forceupdate --theme hicolor 2> /dev/null
  update-desktop-database -q
  cat << EOF
Not to enter a root password you may add following lines to /etc/sudoers:
    USERNAME ALL=NOPASSWD: /usr/bin/netctl-gui-netctl
    USERNAME ALL=NOPASSWD: /usr/bin/netctl-gui-wpa_supplicant
EOF
}

post_upgrade() {
  post_install
}

post_remove() {
  post_install
}