init

flake.nix

@@ -0,0 +1,34 @@
+{
+  description = "Rust shells";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    rust-overlay.url = "github:oxalica/rust-overlay";
+  };
+
+  outputs = inputs @ {...}: let
+    additionalPackages = [
+      pkgs.qemu
+      pkgs.xorriso
+    ];
+    pkgs = import inputs.nixpkgs {
+      system = "x86_64-linux";
+      overlays = [(import inputs.rust-overlay)];
+    };
+
+    rustup = {
+      package = pkgs.rustup;
+      path = "${pkgs.rustup}/lib/rustlib.src/rust/library";
+    };
+  in {
+    devShell.x86_64-linux = pkgs.mkShell {
+      packages = [
+        rustup.package
+        additionalPackages
+      ];
+      env = {
+        RUST_SRC_PATH = rustup.path;
+      };
+    };
+  };
+}