default.nix

{ stdenv, lib, fetchurl, dpkg, jre, makeWrapper }:

stdenv.mkDerivation {
  pname = "marvin";
  version = "19.1.0";
  src =
    fetchurl {
      name = "marvin-${version}.deb";
      url = "http://dl.chemaxon.com/marvin/${version}/marvin_linux_19.1.deb";
      sha256 = "1ccsimfvms5q4prjyk6sg5hsc3hkcjjfq3gl7jjm8dgd2173zzyc";
    };
  buildInputs = [ dpkg makeWrapper ];
  unpackPhase = ''
    dpkg-deb -x $src .
  '';
  installPhase = ''
    cp -r * $out
    mkdir -p $out/share/applications $out/share/pixmaps $out/bin
    makeWrapper ${jre}/bin/java $out/bin/msketch \
      --add-flags "-jar $out/share/astah/astah-community.jar"
    substitute ${./MarvinSketch.desktop} $out/share/applications/MarvinSketch.desktop --subst-var out
    substitute ${./MarvinView.desktop} $out/share/applications/MarvinView.desktop --subst-var out
    cp $out/opt/chemaxon/marvinsuite/.install4j/Marvin*.png $out/share/pixmaps
    sed -i -e "s|@out|$out|g" $out/share/applications/*.desktop
  '';
  meta = with lib; {
    description = "A chemical modelling and structure drawing program";
    homepage    = https://chemaxon.com/products/marvin;
    maintainers = with maintainers; [ fusion809 ];
    license     = licenses.unfree;
    platforms   = platforms.linux;
  };
}