container-tool: init

flake.nix

@@ -1,7 +1,12 @@
 {
-  inputs.nixpkgs.url = "nixpkgs/nixos-unstable";
+  inputs = {
+    nixpkgs.url = "nixpkgs/nixos-unstable";
 
-  outputs = { self, nixpkgs }: let
+    rust-overlay.url = "github:oxalica/rust-overlay";
+    rust-overlay.inputs.nixpkgs.follows = "nixpkgs";
+  };
+
+  outputs = { self, nixpkgs, rust-overlay }: let
     inherit (nixpkgs) lib;
 
     systems = [
@@ -9,9 +14,21 @@
       "aarch64-linux"
     ];
 
-    forAllSystems = f: nixpkgs.lib.genAttrs systems (system: f system nixpkgs.legacyPackages.${system});
+    forAllSystems = f: nixpkgs.lib.genAttrs systems (system: let
+      pkgs = import nixpkgs {
+        inherit system;
+        overlays = [
+          (import rust-overlay)
+        ];
+      };
+
+      rust-bin = rust-overlay.lib.mkRustBin { } pkgs.buildPackages;
+      toolchain = rust-bin.stable.latest.default.override {
+        extensions = [ "rust-src" ];
+      };
+    in f system pkgs toolchain);
   in {
-    apps = forAllSystems (system: pkgs: {
+    apps = forAllSystems (system: pkgs: _: {
       default = self.apps.${system}.vm;
       vm = {
         type = "app";
@@ -19,9 +36,47 @@
       };
     });
 
+    devShell = forAllSystems (system: pkgs: toolchain: pkgs.mkShell {
+      nativeBuildInputs = with pkgs; [
+        toolchain
+        cargo-edit
+      ];
+
+      RUST_SRC_PATH = "${toolchain}/lib/rustlib/src/rust/library";
+    });
+
+    overlays = {
+      default = self.overlays.container-tool;
+      container-tool = final: prev: {
+        inherit (self.packages.${prev.stdenv.hostPlatform.system}) container-tool;
+      };
+    };
+
+    packages = forAllSystems (system: pkgs: _: {
+      default = self.packages.${system}.container-tool;
+      container-tool = let
+        cargoToml = builtins.fromTOML (builtins.readFile ./container-tool/Cargo.toml);
+      in pkgs.callPackage ({
+        lib,
+        rustPlatform,
+      }:
+      rustPlatform.buildRustPackage {
+        pname = cargoToml.package.name;
+        version = cargoToml.package.version;
+        src = pkgs.lib.cleanSource ./container-tool;
+
+        cargoLock.lockFile = ./container-tool/Cargo.lock;
+        meta = with lib; {
+          license = licenses.mit;
+          platforms = platforms.linux ++ platforms.darwin;
+          mainProgram = (lib.head (cargoToml.bin)).name;
+        };
+      }) { };
+    });
+
     nixosModules.default = ./modules/user-jails.nix;
 
-    nixosConfigurations = lib.mapAttrs' (n: v: lib.nameValuePair "vm-${n}" v) (forAllSystems (system: pkgs:
+    nixosConfigurations = lib.mapAttrs' (n: v: lib.nameValuePair "vm-${n}" v) (forAllSystems (system: pkgs: _:
       lib.nixosSystem {
         inherit system pkgs;
         modules = [