{
	description = "Rust shell env.";

	inputs = {
		nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
	};

	outputs = { self, nixpkgs } @inputs: let
		system = "x86_64-linux";
		pkgs   = nixpkgs.legacyPackages.${system};
		lib    = nixpkgs.lib;
	in {
		devShell.${system} = pkgs.mkShell rec {
			nativeBuildInputs = with pkgs; [
				cargo
				rustc
				rust-analyzer
				rustfmt

				cmake
				pkg-config
				fontconfig
			];
			buildInputs = with pkgs; [
				libxkbcommon
				wayland
				libGL
				xorg.libX11
				xorg.libXrandr
				xorg.libXinerama
				xorg.libXcursor
				xorg.libXi
			];
			LD_LIBRARY_PATH = "${lib.makeLibraryPath buildInputs}";
			SOURCE_DATE_EPOCH = "${toString(self.lastModified)}";
		};
	};
}