consolidate home-manager config to a module with one entrypoint

home/dconf/appearance.nix

@@ -1,8 +1,8 @@
 { config, lib, pkgs, ... }:
 
-{
+let inherit (lib) mkIf;
+in {
   dconf = {
-    enable = true;
     settings =
       let
         backgroundOptions = {
@@ -21,5 +21,7 @@
         "org/gnome/desktop/interface".color-scheme = "prefer-dark";
       };
   };
-  home.file.".background-image".source = ./background-image.jpg;
+  home.file.".background-image" = mkIf config.dconf.enable {
+    source = ./background-image.jpg;
+  };
 }

home/dconf/default.nix

@@ -0,0 +1,30 @@
+{ config, lib, pkgs, ... }:
+
+# dconf is the configuration manager for GNOME.
+
+# home-manager, in its infinite wisdom, sets `dconf.enable` to true by default.
+# This is a problem because we don't want it to attempt to apply our settings on
+# a system that doesn't actually have GNOME installed.
+
+# To work around it, we create our own option `qenya.dconf.enable`, which
+# defaults to false, and pass it to `dconf.enable`.
+
+let
+  inherit (lib) mkIf mkEnableOption;
+  cfg = config.qenya.dconf;
+in
+{
+  options.qenya.dconf = {
+    enable = mkEnableOption "dconf";
+  };
+
+  config = {
+    dconf.enable = config.qenya.dconf.enable;
+  };
+
+  imports = [
+    # TODO: nix-ify other parts of GNOME config
+    ./appearance.nix
+    ./keyboard.nix
+  ];
+}

home/dconf/keyboard.nix

@@ -2,7 +2,6 @@
 
 {
   dconf = {
-    enable = true;
     settings = {
       "org/gnome/desktop/wm/keybindings" = {
         # These are largely useless on most normal systems

home/default.nix

@@ -0,0 +1,12 @@
+{
+  imports = [
+    ./dconf
+    ./cli.nix
+    ./git.nix
+    ./tmux.nix
+    ./vscode.nix
+    ./zsh.nix
+  ];
+  
+  home.stateVersion = "23.11";
+}

home/firefox.nix

@@ -1,6 +0,0 @@
-{ config, lib, pkgs, ... }:
-
-{
-  # TODO: nix-ify Firefox config
-  programs.firefox.enable = true;
-}

home/git.nix

@@ -3,6 +3,8 @@
 {
   programs.git = {
     enable = true;
+    userName = "Katherina Walshe-Grey";
+    userEmail = "git@qenya.tel";
     extraConfig = {
       init = {
         defaultBranch = "main";

home/gnome/default.nix

@@ -1,9 +0,0 @@
-{ config, lib, pkgs, ... }:
-
-{
-  imports = [
-    # TODO: nix-ify other parts of GNOME config
-    ./appearance.nix
-    ./keyboard.nix
-  ];
-}

home/vscode.nix

@@ -2,7 +2,6 @@
 
 {
   programs.vscode = {
-    enable = true;
     enableExtensionUpdateCheck = false;
     enableUpdateCheck = false;
     package = pkgs.vscodium;