1# From https://github.com/powerofthe69/nix-gaming-edge
 2{
 3  pkgs,
 4  renameInternalName ? true,
 5}:
 6pkgs.stdenv.mkDerivation rec {
 7  pname = "proton-cachyos";
 8  version = "10.0-20260425-slr";
 9
10  src = pkgs.fetchurl {
11    url = "https://github.com/CachyOS/proton-cachyos/releases/download/cachyos-${version}/proton-cachyos-${version}-x86_64_v3.tar.xz";
12    hash = "sha256-1b0yGKQiygZq+GtVc5JrXhQfUL/k2hPd7CvxpmK585k=";
13  };
14
15  nativeBuildInputs = [pkgs.xz];
16  outputs = [
17    "out"
18    "steamcompattool"
19  ];
20
21  installPhase = ''
22    runHook preInstall
23
24    # Create the steamcompat directory
25    mkdir -p $steamcompattool
26    cp -r ./* $steamcompattool/
27
28    # Modify the display name
29    sed -i -r "s|\"display_name\".*|\"display_name\" \"Proton CachyOS\"|" \
30      $steamcompattool/compatibilitytool.vdf
31
32    ${pkgs.lib.optionalString renameInternalName ''
33      sed -i -r 's|"proton-cachyos-[^"]*"(\s*// Internal name)|"Proton CachyOS"\1|' $steamcompattool/compatibilitytool.vdf
34    ''}
35
36    # Create a real folder so that Steam doesn't require reselecting compatibility tool on update
37    mkdir -p $out/share/
38
39    # Create a real folder so that Steam doesn't require reselecting compatibility tool on update
40    mkdir -p $out/share/steam/compatibilitytools.d/proton-cachyos
41
42    #Symlink the files INSIDE, not the folder itself. Oopsie
43    ln -s $steamcompattool/* $out/share/steam/compatibilitytools.d/proton-cachyos/
44
45    runHook postInstall
46  '';
47
48  meta = with pkgs.lib; {
49    description = "Optimized Proton by CachyOS";
50    homepage = "https://github.com/CachyOS/proton-cachyos";
51    license = licenses.bsd3;
52    platforms = ["x86_64-linux"];
53  };
54}