nix-cfg/lib/default.nix

{
  appwrapper = 
  {
    pkgs,
    inputpkg,
    pkgsuffix,
    libraries,
    extrapathpkgs
  }: with pkgs; let
    name = "${inputpkg.pname}-${pkgsuffix}";
  in stdenv.mkDerivation {
    inherit name;
    inherit (inputpkg) version;
    nativeBuildInputs = [ makeWrapper gnused ];
    buildCommand = ''
      mkdir -p $out/bin
      mkdir -p $out/share/applications
      cp ${inputpkg}/share/applications/${inputpkg.pname}.desktop $out/share/applications/${name}.desktop
      makeWrapper ${inputpkg}/bin/${inputpkg.pname} $out/bin/${name} \
        --prefix LD_LIBRARY_PATH : "${lib.makeLibraryPath libraries}" \
        --prefix PATH : "${lib.makeBinPath extrapathpkgs}"
      substituteInPlace $out/share/applications/${name}.desktop \
        --replace-fail "=${inputpkg.pname}" "=${name}"
      sed -i -E "s/^Name=(.*)/Name=\1 (${pkgsuffix})/g" "$out/share/applications/${name}.desktop"
      echo $out/bin/${name} 
    '';
    dontBuild = true;
  };

  IDEAappwrapper = 
  {
    pkgs,
    inputpkg,
    pkgsuffix,
    libraries,
    jdk
  }: with pkgs; let
    name = "${inputpkg.pname}-${pkgsuffix}";
  in stdenv.mkDerivation {
    inherit name;
    inherit (inputpkg) version;
    nativeBuildInputs = [ makeWrapper gnused ];
    buildCommand = ''
      mkdir -p $out/bin
      mkdir -p $out/share/applications
      cp ${inputpkg}/share/applications/${inputpkg.pname}.desktop $out/share/applications/${name}.desktop
      makeWrapper ${inputpkg}/bin/${inputpkg.pname} $out/bin/${name} \
        --prefix LD_LIBRARY_PATH : "${lib.makeLibraryPath libraries}" \
        --prefix PATH : "${lib.makeBinPath [jdk]}" \
        --set JAVA_HOME "${jdk}/lib/openjdk"
      substituteInPlace $out/share/applications/${name}.desktop \
        --replace-fail "=${inputpkg.pname}" "=${name}"
      sed -i -E "s/^Name=(.*)/Name=\1 (${pkgsuffix})/g" "$out/share/applications/${name}.desktop"
      echo $out/bin/${name} 
    '';
    dontBuild = true;
  };
}