meow

flake.nix

@@ -0,0 +1,91 @@
+{
+  description = "A Nix-flake-based Rust development environment";
+
+  inputs = {
+    nixpkgs.url = "https://flakehub.com/f/NixOS/nixpkgs/0.1"; # unstable Nixpkgs
+    fenix = {
+      url = "https://flakehub.com/f/nix-community/fenix/0.1";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  outputs =
+    { self, ... }@inputs:
+
+    let
+      supportedSystems = [
+        "x86_64-linux"
+        "aarch64-linux"
+        "x86_64-darwin"
+        "aarch64-darwin"
+      ];
+      forEachSupportedSystem =
+        f:
+        inputs.nixpkgs.lib.genAttrs supportedSystems (
+          system:
+          f {
+            pkgs = import inputs.nixpkgs {
+              inherit system;
+              overlays = [
+                inputs.self.overlays.default
+              ];
+            };
+          }
+        );
+    in
+    {
+      overlays.default = final: prev: {
+        rustToolchain =
+          with inputs.fenix.packages.${prev.stdenv.hostPlatform.system};
+          combine (
+            with stable;
+            [
+              clippy
+              rustc
+              cargo
+              rustfmt
+              rust-src
+            ]
+          );
+      };
+
+      devShells = forEachSupportedSystem (
+        { pkgs }:
+        {
+          default = pkgs.mkShellNoCC {
+            packages = with pkgs; [
+              rustToolchain
+              openssl
+              pkg-config
+              cargo-deny
+              cargo-edit
+              cargo-watch
+              rust-analyzer
+              gcc
+              gtk3-x11
+              atk
+              mesa # libGL + llvmpipe + lavapipe ICD (user-space GL & Vulkan soft drivers)
+              vulkan-loader # Vulkan loader
+              vulkan-tools # vulkaninfo, etc.
+              xorg.libX11
+              libxcb
+              xorg.libXrandr
+              xorg.libXinerama
+              xorg.libXcursor
+              xorg.libXfixes
+              xorg.libXcomposite
+              xorg.libXdamage
+              # xorg.libxkbcommon
+              # xorg.libdrm
+              llvm # JIT for llvmpipe (pulled in by mesa often, but safe to include)
+            ];
+
+            env = {
+              # Required by rust-analyzer
+              RUST_SRC_PATH = "${pkgs.rustToolchain}/lib/rustlib/src/rust/library";
+            };
+          };
+        }
+      );
+    };
+}