Initial commit

flake.nix

@@ -0,0 +1,64 @@
+{
+  description = "Desk OS - A simple, general purpose operating system for desktop computers";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.05";
+  };
+
+  outputs = {
+    self,
+    nixpkgs,
+  } @ inputs: let
+    supportedSystems = [
+      "aarch64-darwin"
+      "aarch64-linux"
+      "x86_64-darwin"
+      "x86_64-linux"
+    ];
+
+    # Function to generate a set based on supported systems:
+    forAllSystems = inputs.nixpkgs.lib.genAttrs supportedSystems;
+
+    # Attribute set of nixpkgs for each system:
+    nixpkgsFor = forAllSystems (system:
+      import inputs.nixpkgs {
+        inherit system;
+        config.allowUnfree = true;
+      });
+  in {
+    packages = forAllSystems (system: let
+      pkgs = nixpkgsFor.${system};
+    in {
+      default = self.packages.${system}.demo;
+      demo =
+        (inputs.nixpkgs.lib.nixosSystem {
+          inherit system;
+          modules = [
+            ./modules/desk-os
+            (import ./machines/demo {inherit pkgs;})
+          ];
+        })
+        .config
+        .system
+        .build
+        .vm;
+    });
+
+    apps = forAllSystems (system: {
+      default = self.apps.${system}.demo;
+      demo = let
+        clean-state-demo = nixpkgsFor.${system}.writeShellScriptBin "run" ''
+          ${self.packages.${system}.demo}/bin/run-desk-os-demo-vm
+          if [ -f ./desk-os-demo.qcow2 ]; then
+            rm ./desk-os-demo.qcow2
+          fi
+        '';
+      in {
+        type = "app";
+        program = "${clean-state-demo}/bin/run";
+      };
+    });
+
+    formatter = forAllSystems (system: nixpkgsFor.${system}.alejandra);
+  };
+}