nixos/coma: init sleep as desktop manager

krebs/3modules/upstream/desktop-managers/coma.nix

@@ -0,0 +1,21 @@
+with import <stockholm/lib>;
+{ config, pkgs, ... }: {
+  options = {
+    services.xserver.desktopManager.coma = {
+      enable = mkEnableOption "sleep as a desktop manager";
+    };
+  };
+  config = mkIf config.services.xserver.desktopManager.coma.enable {
+    services.xserver.desktopManager.session = singleton {
+      name = "coma";
+      bgSupport = true;
+      start = /* sh */ ''
+        if test -n "$waitPID"; then
+          ${pkgs.uutils-coreutils}/bin/uutils-sleep 1s && kill $waitPID &
+          wait $waitPID
+        fi
+        exec -a sleep ${pkgs.uutils-coreutils}/bin/uutils-sleep infinity
+      '';
+    };
+  };
+}

krebs/3modules/upstream/desktop-managers/default.nix

@@ -1,5 +1,6 @@
 {
   imports = [
+    ./coma.nix
     ./none.nix
   ];
 }