begin migration to dendritic pattern

modules/components/window-managers/niri/niri.nix

@@ -0,0 +1,52 @@
+{ inputs, self, ... }: {
+  flake.nixosModules.niri = { config, pkgs, inputs, lib, ... }: {
+    imports = with self.nixosModules; [
+      nautilus
+    ];
+
+    environment.systemPackages = with pkgs; [
+      xdg-desktop-portal-gnome
+      wl-clipboard
+      libsecret
+      cage
+      wev
+      qalculate-qt
+    ];
+
+    services.upower.enable = true;
+
+    services.udisks2.enable = true;
+
+    programs.niri = {
+      enable = true;
+      useNautilus = true;
+      # override niri source to use https://github.com/niri-wm/niri/pull/3642
+      package = (pkgs.niri.overrideAttrs (finalAttrs: prevAttrs:
+        {
+          cargoHash = "sha256-HypBB3PL4nVFMNH2+jEK0+dG9dJ920nHi8GwRoeH/v4=";
+          src = pkgs.fetchFromGitHub {
+            owner = "niri-wm";
+            repo = "niri";
+            rev = "cb41d54703eef73883bb2be58e19bcf3715d777c";
+            sha256 = "sha256-cLzTeMcCdQJ+kHGcOposjeheFyEG/tGOA1jFAORMHjI=";
+          };
+          cargoDeps = pkgs.rustPlatform.fetchCargoVendor {
+            inherit (finalAttrs) pname src version;
+            hash = finalAttrs.cargoHash;
+          };
+        }
+      ));
+    };
+  };
+
+  flake.homeModules.niri = { lib, osConfig, ... }: 
+  {
+    home.activation.symlinkNiriConfig = lib.hm.dag.entryAfter ["writeBoundary"] ''
+      #!/bin/bash
+      if [ -f /home/grey/.config/niri/config.kdl ]; then
+        rm /home/grey/.config/niri/config.kdl
+      fi
+      ln -s ${osConfig.info.rootPath}/dotfiles/${osConfig.networking.hostName}/niri.kdl /home/grey/.config/niri/config.kdl
+    '';
+  };
+}