terrible nixos module

flake.nix

@@ -0,0 +1,47 @@
+# warning: this flake is probably terrible, whatever
+{
+  description = "clippyboard: a clipboard manager";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+  };
+
+  outputs = { nixpkgs, ... }:
+
+    let
+      lib = nixpkgs.lib;
+      clippyboard-package = ./default.nix;
+      systems = lib.intersectLists lib.systems.flakeExposed lib.platforms.linux;
+      forAllSystems = lib.genAttrs systems;
+    in
+    {
+      packages = forAllSystems (system: { default = nixpkgs.${system}.callPackage clippyboard-package { }; });
+      nixosModules.default = { lib, config, pkgs, ... }:
+        let
+          cfg = config.services.clippyboard;
+          clippyboard = pkgs.callPackage clippyboard-package { };
+        in
+        {
+          options.services.clippyboard = {
+            enable = lib.mkEnableOption "Enable the clippyboard daemon and clippyboard program";
+          };
+
+          config = lib.mkIf cfg.enable {
+            nixpkgs.overlays = [
+              (final: prev: {
+                clipboard = clippyboard;
+              })
+            ];
+            systemd.user.services.clippyboard = {
+              description = "a clipboard manager";
+              wantedBy = [ "graphical-session.target" ];
+              after = [ "graphical-session.target" ];
+              serviceConfig = {
+                ExecStart = lib.getExe' clippyboard "clippyboard-daemon";
+              };
+            };
+            environment.systemPackages = [ clippyboard ];
+          };
+        };
+    };
+}