Change:
Project description made with godot engine it does not run with steam-run (), so a proper package would be great Metadata homepage URL: source URL: license: Blue Oak Model License platforms: linux, darwin, windows

Discussion:
<ins> { godot, lib }: # https://docs.godotengine.org/en/stable/development/compiling/compiling_for_x11.html#building-export-templates godot.overrideAttrs (oldAttrs: rec { pname = "godot-export-templates"; sconsFlags = "target=release platform=x11 tools=no"; installPhase = '' # The godot export command expects the export templates at # .../share/godot/templates/3.2.3.stable with 3.2.3 being the godot version. mkdir -p "$out/share/godot/templates/${oldAttrs.version}.stable" cp bin/godot.x11.opt.64 $out/share/godot/templates/${oldAttrs.version}.stable/linux_x11_64_release ''; outputs = [ "out" ]; meta.description = "Free and Open Source 2D and 3D game engine (export templates)"; meta.maintainers = with lib.maintainers; [ twey jojosch ]; }) </ins>

<ins> { lib , copyDesktopItems , fetchFromGitHub , makeDesktopItem , stdenv , alsaLib , gcc-unwrapped , git , godot-export-templates , godot-headless , libGLU , libX11 , libXcursor , libXext , libXfixes , libXi , libXinerama , libXrandr , libXrender , libglvnd , libpulseaudio , zlib }: stdenv.mkDerivation rec { pname = "oh-my-git"; version = "0.6.4"; src = fetchFromGitHub { owner = "git-learning-game"; repo = "oh-my-git"; rev = version; sha256 = "sha256-GQLHyBUXF+yqEZ/LYutAn6TBCXFX8ViOaERQEm2J6CY="; }; nativeBuildInputs = [ copyDesktopItems godot-headless ]; buildInputs = [ alsaLib gcc-unwrapped.lib git libGLU libX11 libXcursor libXext libXfixes libXi libXinerama libXrandr libXrender libglvnd libpulseaudio zlib ]; desktopItems = [ (makeDesktopItem { name = "oh-my-git"; exec = "oh-my-git"; icon = "oh-my-git"; desktopName = "oh-my-git"; comment = "An interactive Git learning game!"; genericName = "An interactive Git learning game!"; categories = "Game;"; }) ]; buildPhase = '' runHook preBuild # Cannot create file '/homeless-shelter/.config/godot/projects/...' export HOME=$TMPDIR # Link the export-templates to the expected location. The --export commands # expects the template-file at .../templates/3.2.3.stable/linux_x11_64_release # with 3.2.3 being the version of godot. mkdir -p $HOME/.local/share/godot ln -s ${godot-export-templates}/share/godot/templates $HOME/.local/share/godot mkdir -p $out/share/oh-my-git godot-headless --export "Linux" $out/share/oh-my-git/oh-my-git runHook postBuild ''; installPhase = '' runHook preInstall mkdir -p $out/bin ln -s $out/share/oh-my-git/oh-my-git $out/bin # Patch binaries. interpreter=$(cat $NIX_CC/nix-support/dynamic-linker) patchelf  --set-interpreter $interpreter  --set-rpath ${lib.makeLibraryPath buildInputs}  $out/share/oh-my-git/oh-my-git mkdir -p $out/share/pixmaps cp images/oh-my-git.png $out/share/pixmaps/oh-my-git.png runHook postInstall ''; meta = with lib; { homepage = "https://ohmygit.org/"; description = "An interactive Git learning game"; license = with licenses; [ blueOak100 ]; platforms   = [ "x86_64-linux" ]; maintainers = with maintainers; [ jojosch ]; }; } </ins>

meritous = callPackage ../games/meritous { }; <ins> oh-my-git = callPackage ../games/oh-my-git { }; </ins> opendune = callPackage ../games/opendune { }; merriweather = callPackage ../data/fonts/merriweather { };

godot = callPackage ../development/tools/godot {}; <ins> godot-export-templates = callPackage ../development/tools/godot/export-templates.nix { }; </ins> godot-headless = callPackage ../development/tools/godot/headless.nix { }; godot-server = callPackage ../development/tools/godot/server.nix { };