wip: migrate client modules

modules-clone/nixos/client/uwsm.nix

@@ -0,0 +1,59 @@
+{ lib, config, pkgs, ... }:
+let
+  moduleName = "uwsm";
+  cfg = config.programs.uwsm;
+in
+{
+  options.swarselmodules.${moduleName} = lib.mkEnableOption "${moduleName} settings";
+  config = lib.mkIf config.swarselmodules.${moduleName} {
+    programs.uwsm = {
+      enable = true;
+      waylandCompositors = {
+        sway = {
+          prettyName = "Sway";
+          comment = "Sway compositor managed by UWSM";
+          binPath = "/run/current-system/sw/bin/sway";
+        };
+        niri = lib.mkIf (config.programs ? niri) {
+          prettyName = "Niri";
+          comment = "Niri compositor managed by UWSM";
+          binPath = "/run/current-system/sw/bin/niri-session";
+        };
+      };
+    };
+
+    services.displayManager.sessionPackages =
+      let
+        mk_uwsm_desktop_entry =
+          opts:
+          (pkgs.writeTextFile {
+            name = "${opts.name}-uwsm";
+            text = ''
+              [Desktop Entry]
+              Name=${opts.prettyName} (UWSM)
+              Comment=${opts.comment}
+              Exec=${lib.getExe cfg.package} start -F -- ${opts.binPath} ${lib.strings.escapeShellArgs opts.extraArgs}
+              Type=Application
+            '';
+            destination = "/share/wayland-sessions/${opts.name}-uwsm.desktop";
+            derivationArgs = {
+              passthru.providedSessions = [ "${opts.name}-uwsm" ];
+            };
+          });
+      in
+      lib.mkForce (lib.mapAttrsToList
+        (
+          name: value:
+            mk_uwsm_desktop_entry {
+              inherit name;
+              inherit (value)
+                prettyName
+                comment
+                binPath
+                extraArgs
+                ;
+            }
+        )
+        cfg.waylandCompositors);
+  };
+}