whisperer(){
    echo -e "\e[31;46m WARNING"
    echo -e "\e[31;46m For ATI HD 4xxxx and below graphics users:"
    echo -e "\e[31;46m This driver is not compatible, install catalyst-legacy before rebooting."
    echo -e "\e[31;46m sudo pacman -S catalyst-legacy"
    echo -e "\e[31;46m You can use the tool 'aticonfig' to regenerate an xorg.conf file."
    echo -e "\e[31;46m Further reading:"
    echo -e "\e[31;46m http://chakraos.org/forum/viewtopic.php?pid=56704#p56704"
    echo -e "\e[31;46m http://chakraos.org/wiki/index.php?title=Catalyst"
    echo -e "\e[0m"
}

split(){
    echo -e "\e[1;31m-------------------------- SPLIT -------------------------------\e[0m"
    echo "catalyst-utils is now splitted into:"
    echo "catalyst-utils"
    echo "catalyst-libgl"
    echo "opencl-catalyst"
    echo ""
    echo -e "You MOST probably want to also install \e[1;31mcatalyst-libgl\e[0m"
    echo -e "\e[1;31m----------------------------------------------------------------\e[0m"
}

post_install() {
    echo "----------------------------------------------------------------"
    echo "PLEASE NOTE:"
    echo "----------------------------------------------------------------"
    echo "You can use the tool 'aticonfig' to generate an xorg.conf file."
    echo "--------------------- ^^^^^^^^^ --------------------------------"
    echo "IMPORTANT:"
    echo "fglrx was added into /etc/modules-load.d/catalyst.conf"
    echo "----------------------------------------------------------------"
    echo "    atieventsd (needs acpid pkg) on systemd:"
    echo "systemctl enable atieventsd"
    echo "systemctl start atieventsd"
    echo "----------------------------------------------------------------"
    whisperer
    split
}

post_upgrade(){
    split
}

post_remove(){
     echo "NOTE: Don't forget to recover your original xorg.conf file."
}