Added Darkest Dungeon (GoG) derivation

pkgs/darkest-dungeon/default.nix

@@ -0,0 +1,100 @@
+{
+  lib,
+  requireFile,
+  makeDesktopItem,
+  copyDesktopItems,
+  autoPatchelfHook,
+  makeBinaryWrapper,
+  stdenvNoCC,
+  zip,
+  unzip,
+  # Runtime deps.
+  SDL2,
+  libcxx,
+  libGL,
+  fmodex,
+  libmx,
+  libX11,
+  libXext,
+  libxcb,
+  libXau,
+  libXdmcp,
+}: let
+  commonDeps = [
+    SDL2
+    libcxx
+    libGL
+    fmodex
+    libmx
+    fmodex
+    libX11
+    libXext
+    libxcb
+    libXau
+    libXdmcp
+  ];
+in
+  stdenvNoCC.mkDerivation rec {
+    pname = "darkest-dungeon";
+    version = "24839_28859";
+
+    # The official installer must be provided by the end user.
+    src = requireFile {
+      name = "darkest_dungeon_${version}.sh";
+      url = "https://www.gog.com/game/darkest_dungeon";
+      sha256 = "2b235b43d8d6ab4b2a4b80b627ce2a9c31c1b4bee16fc6f9dda68c29cb5da99c";
+    };
+
+    nativeBuildInputs =
+      [
+        autoPatchelfHook
+        makeBinaryWrapper
+        unzip
+        zip
+        copyDesktopItems
+      ]
+      ++ commonDeps;
+
+    desktopItems = [
+      (makeDesktopItem {
+        name = pname;
+        desktopName = "Darkest Dungeon";
+        genericName = "Loosing your will to live; the game";
+        exec = "darkest";
+        icon = pname;
+        comment = "Darkest Dungeon GoG version";
+        categories = ["Game"];
+      })
+    ];
+
+    unpackCmd = "${unzip}/bin/unzip $src 'data/noarch/game/*' 'data/noarch/support/icon.png' -d . || true";
+
+    sourceRoot = ".";
+
+    installPhase = ''
+      mkdir -p $out/share/${pname}
+      mkdir -p $out/share/icons/hicolor
+
+      # Only copies this folder since the rest is useless.
+      mv data/noarch/game/* $out/share/${pname}
+
+      # Installs the icon.
+      mv data/noarch/support/icon.png $out/share/icons/hicolor/${pname}.png
+
+      # Creates the wrapper for the game.
+      makeBinaryWrapper $out/share/${pname}/darkest.bin.x86_64 $out/bin/darkest \
+        --prefix LD_LIBRARY_PATH : ${lib.makeLibraryPath commonDeps}
+    '';
+
+    # Metadata
+    meta = with lib; {
+      description = "The game that would drive you into utter maddness";
+      longDescription = "Darkest Dungeon GoG version. Without any DLCs";
+      homepage = "https://www.darkestdungeon.com";
+      downloadPage = "https://www.gog.com/game/darkest_dungeon";
+      license = licenses.unfree;
+      mainProgram = "darkest";
+      maintainers = with maintainers; [notevil];
+      platforms = ["x86_64-linux"];
+    };
+  }

pkgs/default.nix

@@ -30,6 +30,8 @@
           // extra))
         .${wine};
     in {
+      darkest-dungeon = pkgs.callPackage ./darkest-dungeon {};
+
       dxvk = pkgs.callPackage ./dxvk {inherit pins;};
       dxvk-w32 = pkgs.pkgsCross.mingw32.callPackage ./dxvk {inherit pins;};
       dxvk-w64 = pkgs.pkgsCross.mingwW64.callPackage ./dxvk {inherit pins;};