treewide: drop Qt5 versions of Plasma, Gear, Deepin, Maui, friends

.github/labeler.yml

@@ -431,12 +431,9 @@
       - changed-files:
           - any-glob-to-any-file:
               - doc/languages-frameworks/qt.section.md
-              - nixos/modules/services/x11/desktop-managers/plasma5.nix
-              - nixos/tests/plasma5.nix
-              - pkgs/applications/kde/**/*
-              - pkgs/desktops/plasma-5/**/*
-              - pkgs/development/libraries/kde-frameworks/**/*
-              - pkgs/development/libraries/qt-5/**/*
+              - nixos/modules/services/desktop-managers/plasma6.nix
+              - nixos/tests/plasma6.nix
+              - pkgs/kde/**/*
 
 "6.topic: R":
   - any:

ci/OWNERS

@@ -264,9 +264,7 @@ pkgs/development/python-modules/buildcatrust/ @ajs124 @lukegb @mweinelt
 /pkgs/development/libraries/qt-5 @K900 @NickCao @SuperSandro2000 @ttuegel
 /pkgs/development/libraries/qt-6 @K900 @NickCao @SuperSandro2000 @ttuegel
 
-# KDE / Plasma 5
-/pkgs/applications/kde @K900 @NickCao @SuperSandro2000 @ttuegel
-/pkgs/desktops/plasma-5 @K900 @NickCao @SuperSandro2000 @ttuegel
+# KDE Frameworks 5
 /pkgs/development/libraries/kde-frameworks @K900 @NickCao @SuperSandro2000 @ttuegel
 
 # KDE / Plasma 6

nixos/doc/manual/configuration/modularity.section.md

@@ -33,7 +33,7 @@ Here, we include two modules from the same directory, `vpn.nix` and
 {
   services.xserver.enable = true;
   services.displayManager.sddm.enable = true;
-  services.xserver.desktopManager.plasma5.enable = true;
+  services.desktopManager.plasma6.enable = true;
   environment.systemPackages = [ pkgs.vim ];
 }
 ```

nixos/doc/manual/configuration/profiles/graphical.section.md

@@ -1,10 +1,10 @@
 # Graphical {#sec-profile-graphical}
 
-Defines a NixOS configuration with the Plasma 5 desktop. It's used by the
+Defines a NixOS configuration with the Plasma 6 desktop. It's used by the
 graphical installation CD.
 
 It sets [](#opt-services.xserver.enable),
 [](#opt-services.displayManager.sddm.enable),
-[](#opt-services.xserver.desktopManager.plasma5.enable),
+[](#opt-services.desktopManager.plasma6.enable),
 and [](#opt-services.libinput.enable) to true. It also
 includes glxinfo and firefox in the system packages list.

nixos/doc/manual/configuration/x-windows.chapter.md

@@ -23,7 +23,7 @@ Thus you should pick one or more of the following lines:
 
 ```nix
 {
-  services.xserver.desktopManager.plasma5.enable = true;
+  services.desktopManager.plasma6.enable = true;
   services.xserver.desktopManager.xfce.enable = true;
   services.desktopManager.gnome.enable = true;
   services.xserver.desktopManager.mate.enable = true;

nixos/doc/manual/release-notes/rl-2511.section.md

@@ -12,6 +12,8 @@
 
 - The NetworkManager module does not ship with a default set of VPN plugins anymore. All required VPN plugins must now be explicitly configured in [`networking.networkmanager.plugins`](#opt-networking.networkmanager.plugins).
 
+- The Qt 5-based versions of KDE Gear, Plasma, Maui and Deepin have been removed. Users are advised to migrate to Plasma 6 and Gear 25.08, available under `kdePackages`.
+
 ## New Modules {#sec-release-25.11-new-modules}
 
 <!-- To avoid merge conflicts, consider adding your item at an arbitrary place in the list instead. -->

nixos/modules/i18n/input-method/ibus.nix

@@ -53,7 +53,7 @@ in
       panel = lib.mkOption {
         type = with lib.types; nullOr path;
         default = null;
-        example = lib.literalExpression ''"''${pkgs.plasma5Packages.plasma-desktop}/libexec/kimpanel-ibus-panel"'';
+        example = lib.literalExpression ''"''${pkgs.kdePackages.plasma-desktop}/libexec/kimpanel-ibus-panel"'';
         description = "Replace the IBus panel with another panel.";
       };
     };

nixos/modules/module-list.nix

@@ -543,10 +543,6 @@
   ./services/desktops/blueman.nix
   ./services/desktops/bonsaid.nix
   ./services/desktops/cpupower-gui.nix
-  ./services/desktops/deepin/app-services.nix
-  ./services/desktops/deepin/dde-api.nix
-  ./services/desktops/deepin/dde-daemon.nix
-  ./services/desktops/deepin/deepin-anything.nix
   ./services/desktops/dleyna.nix
   ./services/desktops/espanso.nix
   ./services/desktops/flatpak.nix

nixos/modules/profiles/graphical.nix

@@ -1,12 +1,12 @@
-# This module defines a NixOS configuration with the Plasma 5 desktop.
+# This module defines a NixOS configuration with the Plasma 6 desktop.
 # It's used by the graphical installation CD.
 
 { pkgs, ... }:
 
 {
   services.xserver = {
     enable = true;
-    desktopManager.plasma5.enable = true;
+    desktopManager.plasma6.enable = true;
   };
 
   services = {

nixos/modules/programs/chromium.nix

@@ -27,7 +27,7 @@ in
       enablePlasmaBrowserIntegration = lib.mkEnableOption "Native Messaging Host for Plasma Browser Integration";
 
       plasmaBrowserIntegrationPackage = lib.mkPackageOption pkgs [
-        "plasma5Packages"
+        "kdePackages"
         "plasma-browser-integration"
       ] { };
 

nixos/modules/programs/gnupg.nix

@@ -77,7 +77,7 @@ in
         Which pinentry package to use. The path to the mainProgram as defined in
         the package's meta attributes will be set in /etc/gnupg/gpg-agent.conf.
         If not set by the user, it'll pick an appropriate flavor depending on the
-        system configuration (qt flavor for lxqt and plasma5, gtk2 for xfce,
+        system configuration (qt flavor for lxqt and plasma, gtk2 for xfce,
         gnome3 on all other systems with X enabled, curses otherwise).
       '';
     };

nixos/modules/programs/kdeconnect.nix

@@ -15,7 +15,7 @@
       `gnomeExtensions.gsconnect` as an alternative
       implementation if you use Gnome
     '';
-    package = lib.mkPackageOption pkgs [ "plasma5Packages" "kdeconnect-kde" ] {
+    package = lib.mkPackageOption pkgs [ "kdePackages" "kdeconnect-kde" ] {
       example = "gnomeExtensions.gsconnect";
     };
   };

nixos/modules/programs/zoom-us.nix

@@ -23,10 +23,6 @@
         plasma6XdgDesktopPortalSupport =
           prev.plasma6XdgDesktopPortalSupport or config.services.desktopManager.plasma6.enable;
 
-        # Support Plasma 5 desktop environment if it's enabled on the system.
-        plasma5XdgDesktopPortalSupport =
-          prev.plasma5XdgDesktopPortalSupport or config.services.xserver.desktopManager.plasma5.enable;
-
         # Support LXQT desktop environment if it's enabled on the system.
         # There's also `config.services.xserver.desktopManager.lxqt.enable`
         lxqtXdgDesktopPortalSupport = prev.lxqtXdgDesktopPortalSupport or config.xdg.portal.lxqt.enable;

nixos/modules/rename.nix

@@ -127,6 +127,10 @@ in
       "services"
       "dd-agent"
     ] "dd-agent was removed from nixpkgs in favor of the newer datadog-agent.")
+    (mkRemovedOptionModule [
+      "services"
+      "deepin"
+    ] "the Deepin desktop environment has been removed from nixpkgs due to lack of maintenance.")
     (mkRemovedOptionModule [ "services" "dnscrypt-proxy" ] "Use services.dnscrypt-proxy2 instead")
     (mkRemovedOptionModule [ "services" "dnscrypt-wrapper" ] ''
       The dnscrypt-wrapper module was removed since the project has been effectively unmaintained since 2018;
@@ -265,6 +269,18 @@ in
       LightDM. Please use the services.displayManager.autoLogin options
       instead, or any other display manager in NixOS as they all support auto-login.
     '')
+    (mkRemovedOptionModule [
+      "services"
+      "xserver"
+      "desktopManager"
+      "plasma5"
+    ] "the Plasma 5 desktop environment has been removed from nixpkgs, as it has reached EOL upstream.")
+    (mkRemovedOptionModule [
+      "services"
+      "xserver"
+      "desktopManager"
+      "deepin"
+    ] "the Deepin desktop environment has been removed from nixpkgs due to lack of maintenance.")
     (mkRemovedOptionModule [ "services" "xserver" "multitouch" ] ''
       services.xserver.multitouch (which uses xf86_input_mtrack) has been removed
       as the underlying package isn't being maintained. Working alternatives are

nixos/modules/security/pam.nix

@@ -549,8 +549,8 @@ let
             '';
           };
 
-          package = lib.mkPackageOption pkgs.plasma5Packages "kwallet-pam" {
-            pkgsText = "pkgs.plasma5Packages";
+          package = lib.mkPackageOption pkgs.kdePackages "kwallet-pam" {
+            pkgsText = "pkgs.kdePackages";
           };
 
           forceRun = lib.mkEnableOption null // {

nixos/modules/services/desktop-managers/plasma6.nix

@@ -68,13 +68,6 @@ in
   ];
 
   config = mkIf cfg.enable {
-    assertions = [
-      {
-        assertion = cfg.enable -> !config.services.xserver.desktopManager.plasma5.enable;
-        message = "Cannot enable plasma5 and plasma6 at the same time!";
-      }
-    ];
-
     qt.enable = true;
     programs.xwayland.enable = true;
     environment.systemPackages =