consolidate home-manager config to a module with one entrypoint

home/dconf/appearance.nix

@@ -0,0 +1,27 @@
+{ config, lib, pkgs, ... }:
+
+let inherit (lib) mkIf;
+in {
+  dconf = {
+    settings =
+      let
+        backgroundOptions = {
+          color-shading-type = "solid";
+          picture-options = "zoom";
+          picture-uri = "${config.home.homeDirectory}/.background-image";
+          primary-color = "#3a4ba0";
+          secondary-color = "#2f302f";
+        };
+      in
+      {
+        "org/gnome/desktop/background" = backgroundOptions // {
+          picture-uri-dark = backgroundOptions.picture-uri;
+        };
+        "org/gnome/desktop/screensaver" = backgroundOptions;
+        "org/gnome/desktop/interface".color-scheme = "prefer-dark";
+      };
+  };
+  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

@@ -0,0 +1,14 @@
+# { config, lib, pkgs, ... }:
+
+{
+  dconf = {
+    settings = {
+      "org/gnome/desktop/wm/keybindings" = {
+        # These are largely useless on most normal systems
+        # and conflict with VS Code's default keybinds for "Copy Line Up/Down"
+        move-to-workspace-up = [ ];
+        move-to-workspace-down = [ ];
+      };
+    };
+  };
+}