feat(gui): 为 GNOME Wayland 添加 gsconnect 配置持久化支持

添加了 gsconnect dconf 配置文件的持久化机制，确保在 tmpfs 根目录环境下配置不会丢失。同时在 custom.nix 中添加条件判断，避免在 GNOME Wayland 环境下启用 kdeconnect 服务冲突。

添加了 dconf-editor 工具支持，并配置了 systemd 用户服务来管理 gsconnect 的配置导入导出。

Author: DataEraserC

home/linux/gui/custom/custom.nix

@@ -1,5 +1,6 @@
 {
   config,
+  lib,
   pkgs,
   pkgs-latest,
   pkgs-stable,
@@ -12,6 +13,9 @@
   hyprland,
   ...
 }:
+let
+  cfgGnomeWayland = config.modules.desktop.gnome-wayland;
+in
 {
   home.packages =
     (
@@ -180,8 +184,10 @@
       ]);
 
   services = {
-    kdeconnect.enable = true;
-    kdeconnect.indicator = true;
-    # kdeconnect.package = pkgs.kdePackages.kdeconnect-kde;
+    kdeconnect = lib.mkIf (!cfgGnomeWayland.enable) {
+      enable = true;
+      indicator = true;
+      # kdeconnect.package = pkgs.kdePackages.kdeconnect-kde;
+    };
   };
 }

home/linux/gui/gnome-wayland/values/gnome.nix

@@ -1,6 +1,7 @@
 {
   pkgs,
   lib,
+  config,
   nur-ryan4yin,
   ...
 }:
@@ -13,6 +14,9 @@ in
     gsconnect
     kimpanel
     clipboard-indicator
+
+    # dconf-editor
+    pkgs.dconf-editor
   ];
   dconf = {
     enable = true;
@@ -121,4 +125,35 @@ in
       binding = "<Ctrl><Shift>Escape";
     };
   };
+  # https://github.com/jz8132543/flakes/blob/3225d8f726da9a8980a7becc949f3f634927f926/home-manager/modules/desktop/gnome.nix#L293-L321
+  # NOTE: make sure dumpped gsconnect.dconf is persistent if you are using tmpfs as root
+  systemd.user.services.gsconnect-dconf = {
+    Unit = {
+      Description = "gsconnect-dconf";
+      Wants = [ "graphical-session.target" ];
+      After = [ "graphical-session.target" ];
+    };
+    Install = {
+      WantedBy = [ "graphical-session.target" ];
+    };
+    Service = {
+      Type = "simple";
+      ExecStart = toString (
+        pkgs.writeScript "gsconnect-dconf-start" ''
+          #! ${pkgs.runtimeShell} -el
+          ${pkgs.dconf}/bin/dconf load /org/gnome/shell/extensions/gsconnect/ < ${config.home.homeDirectory}/.config/gsconnect/gsconnect.dconf || true
+        ''
+      );
+      ExecStop = toString (
+        pkgs.writeScript "gsconnect-dconf-stop" ''
+          #! ${pkgs.runtimeShell} -el
+          ${pkgs.dconf}/bin/dconf dump /org/gnome/shell/extensions/gsconnect/ > ${config.home.homeDirectory}/.config/gsconnect/gsconnect.dconf
+        ''
+      );
+      Restart = "on-failure";
+      RestartSec = 1;
+      TimeoutStopSec = 10;
+      RemainAfterExit = "yes";
+    };
+  };
 }

hosts/idols-ai/preservation.nix

@@ -402,7 +402,8 @@ in
         ".cache/clipboard-indicator@tudmotu.com"
 
         # persist paired device data for gsconnect
-        ".cache/gsconnect"
+        # cert and key
+        ".config/gsconnect"
 
         # nix-index
         ".cache/nix-index"