current state of things

flakes/niri-session-manager/flake.nix

@@ -0,0 +1,66 @@
+{
+  inputs = {
+    src = {
+      url = "github:MTeaHead/niri-session-manager";
+      flake = false;
+    };
+  };
+
+  outputs =
+    {
+      nixpkgs,
+      src,
+      self,
+    }:
+    {
+      packages.x86_64-linux.default = nixpkgs.legacyPackages.x86_64-linux.rustPlatform.callPackage (
+        { pkgs, buildRustPackage }:
+        buildRustPackage (finalAttrs: {
+          pname = "niri-session-manager";
+          version = "git-${src.rev or src.dirtyRev or "dirty"}";
+          inherit src;
+
+          cargoLock = {
+            lockFile = "${src}/Cargo.lock";
+          };
+
+          meta.mainProgram = "niri-session-manager";
+        })
+      ) { };
+
+      nixosModules.niri-session-manager =
+        {
+          config,
+          lib,
+          pkgs,
+          ...
+        }:
+        {
+          options = {
+            services.niri-session-manager = {
+              enable = lib.mkEnableOption "Niri Session Manager";
+            };
+          };
+          config =
+            let
+              cfg = config.services.niri-session-manager;
+            in
+            lib.mkIf cfg.enable {
+              systemd.user.services.niri-session-manager = {
+                enable = true;
+                description = "Niri Session Manager";
+                wantedBy = [ "graphical-session.target" ];
+                partOf = [ "graphical-session.target" ];
+                wants = [ "graphical-session.target" ];
+                after = [ "graphical-session.target" ];
+                serviceConfig = {
+                  Type = "simple";
+                  Restart = "always";
+                  ExecStart = "${self.packages.${pkgs.system}.default}";
+                  PrivateTmp = true;
+                };
+              };
+            };
+        };
+    };
+}