move nixos and darwin back into modules dir

modules/common/repositories/default.nix

@@ -0,0 +1,5 @@
+{ ... }: {
+
+  imports = [ ./dotfiles.nix ./notes.nix ];
+
+}

modules/common/repositories/dotfiles.nix

@@ -0,0 +1,30 @@
+{ config, pkgs, lib, ... }: {
+
+  options.dotfiles.enable = lib.mkEnableOption "Clone dotfiles.";
+
+  config = lib.mkIf config.dotfiles.enable {
+
+    home-manager.users.${config.user} = {
+
+      home.activation = {
+
+        # Always clone dotfiles repository if it doesn't exist
+        cloneDotfiles =
+          config.home-manager.users.${config.user}.lib.dag.entryAfter
+          [ "writeBoundary" ] ''
+            if [ ! -d "${config.dotfilesPath}" ]; then
+                $DRY_RUN_CMD mkdir --parents $VERBOSE_ARG $(dirname "${config.dotfilesPath}")
+                $DRY_RUN_CMD ${pkgs.git}/bin/git clone ${config.dotfilesRepo} "${config.dotfilesPath}"
+            fi
+          '';
+
+      };
+
+      # Set a variable for dotfiles repo, not necessary but convenient
+      home.sessionVariables.DOTS = config.dotfilesPath;
+
+    };
+
+  };
+
+}

modules/common/repositories/notes.nix

@@ -0,0 +1,11 @@
+{ config, ... }: {
+
+  home-manager.users.${config.user} = {
+
+    home.sessionVariables = {
+      NOTES_PATH = "${config.homePath}/dev/personal/notes/content";
+    };
+
+  };
+
+}