# nix-prefetch-url file://<path>/Maple2020.2X64Installer.run
# nix-shell -p "callPackage ~/Code/maple2020-nix/maple2020.nix {}"

{ stdenv, requireFile }:

let
  message = ''
    Please purchase Maple 2020 and download it at
    https://maplesoft.com/download
  '';
in

stdenv.mkDerivation rec {
    pname = "maple";
    version = "2020.2";

    src = requireFile {
        name = "Maple${version}LinuxX64Installer.run";
        #sha256 = "0622dedf163359de7f29837b580d14703f09417792a8cf885da18377b1be207c";
        sha256 = "0z10psqpg0x1bn4cza4jfx0hjgvh2h6mhyw355zxwn9k2vgxw8h6";
        inherit message;
    };

    dontUnpack = true;

    buildPhase = ''
        exec /nix/store/pzwvijvdn64x92gw1w7wfbdxvis6ymjr-Maple${version}LinuxX64Installer.run --mode unattended --installdir "''${out}/maple2020" --desktopshortcut 0 --defaultapp 0
    '';

    installPhase = ''
        install -d "''${out}/usr/bin/"
        install -d "''${out}/usr/share/licenses/maple2020/"

        cp -r "''${out}/maple2020/man" "''${out}/usr/share/"
        cp -r "''${out}/maple2020" "''${out}/usr/share/"

        ln -s "/usr/share/maple2020/bin/maple" "''${out}/usr/bin/maple"
        ln -s "/usr/share/maple2020/bin/xmaple" "''${out}/usr/bin/xmaple"
        ln -s "/usr/share/maple2020/bin/maple.system.type" "''${out}/usr/bin/maple.system.type"
        ln -s "/usr/share/maple2020/bin/mint" "''${out}/usr/bin/mint"
        ln -s "/usr/share/maple2020/EULA.html" "''${out}/usr/share/licenses/maple2020/LICENSE.html"

        find "''${out}/" -name "*.log" -delete
    '';

}