Refactor the shared/core namespace

- Move trivial modules to `services.nix`
- Gather user-related config in `users.nix`
- Move loading of shared home-manager config into `shared/core`

flake.nix

@@ -18,13 +18,7 @@
         let mkUserConfig = path: {
               imports = [ home-manager.nixosModules.home-manager ];
               config = {
-                home-manager.users."riley" = a: lib.pipe a [
-                  (import "${path}/home.nix")
-                  (x: x // {
-                    imports = [ ./shared/home ];
-                    isNixos = true;
-                  })
-                ];
+                home-manager.users."riley" = (import "${path}/home.nix");
               };
             };
         in {

shared/core/default.nix

@@ -3,28 +3,21 @@
 {
 
   imports = [
+    ./services.nix
     ./backups.nix
+    ./users.nix
     ./gui.nix
     ./nix.nix
-    ./ssh.nix
-    ./vpn.nix
   ];
 
   config = {
-    users.users."riley" = {
-
-      shell = pkgs.bash;
-
-      isNormalUser = true;
-      extraGroups = ["wheel"];
-      packages = [ pkgs.helix pkgs.neovim ];
-
-    };
-
     time.timeZone = "Europe/Amsterdam";
-    environment.systemPackages = (import ../env.nix pkgs);
-
-    services.earlyoom.enable = true;
+    environment.systemPackages = (import ../env.nix pkgs) ++ (with pkgs; [
+      # For Mae
+      neovim
+      # For me
+      helix
+    ]);
   };
 
 }

shared/core/services.nix

@@ -0,0 +1,19 @@
+# Services that are common and don't require complex configuration. If there are options
+# involved, consider moving the service to its own module.
+
+{ ... }: {
+
+  services.openssh = {
+    enable = true;
+    settings.PasswordAuthentication = false;
+  };
+
+  services.tailscale = {
+    # TODO: configure declaratively
+    enable = true;
+    interfaceName = "ts0";
+  };
+
+  services.earlyoom.enable = true;
+
+}

shared/core/ssh.nix

@@ -1,19 +0,0 @@
-{ pkgs, ... }:
-
-{
-
-  services.openssh = {
-    enable = true;
-    settings.PasswordAuthentication = false;
-  };
-
-  users.users."riley" = {
-    # Add ssh client
-    packages = [ pkgs.openssh ];
-    # Authorize `riley` user on other machines to SSH into this machine.
-    openssh.authorizedKeys.keyFiles =
-      let userKey = sys: ../../system/${sys}/keys/riley.pub;
-      in map userKey [ "dev-lt-63" "strawberry" "lime" ];
-  };
-
-}

shared/core/users.nix

@@ -0,0 +1,29 @@
+# Manage user settings that don't specifically fit anywhere else.
+
+{ pkgs, config, home-manager, lib, ... }: {
+
+  imports = [
+    home-manager.nixosModules.home-manager
+  ];
+
+  config.home-manager.users."riley" = {
+    imports = [ ../home ];
+    isNixos = true;
+    home.stateVersion = lib.mkDefault config.system.stateVersion;
+  };
+
+  config.users.users."riley" = {
+    # TODO: Switch to a less ancient shell
+    shell = pkgs.bash;
+    isNormalUser = true;
+    extraGroups = [
+      # User is sudoer
+      "wheel"
+    ];
+    # Authorize `riley` user on other machines to SSH into this machine.
+    openssh.authorizedKeys.keyFiles =
+      let userKey = sys: ../../system/${sys}/keys/riley.pub;
+      in map userKey [ "dev-lt-63" "strawberry" "lime" ];
+  };
+
+}

shared/core/vpn.nix

@@ -1,9 +0,0 @@
-{ ... }: {
-
-  services.tailscale = {
-    # TODO: configure declaratively
-    enable = true;
-    interfaceName = "ts0";
-  };
-
-}