[Desktop/Plasma] add Plasma 6

Allow both desktops to exist at the same time.
Add "plasma6" environment option.

desktop/default.nix

@@ -5,7 +5,7 @@ with lib;
     ./general.nix
     ./developer.nix
     ./multimedia.nix
-    ./plasma.nix
+    ./plasma
     ./games.nix
     ./browser.nix
     ./gnome.nix

desktop/general.nix

@@ -14,7 +14,7 @@ in {
     environment = mkOption {
       default = "plasma";
       example = "gnome";
-      type = with types; enum [ "plasma" "gnome" ];
+      type = with types; enum [ "plasma" "plasma6" "gnome" ];
       description = "What Desktop Environment to use";
     };
     layout = mkOption {

desktop/plasma.nix

@@ -1,88 +0,0 @@
-{config, pkgs, nixpkgs-unstable, lib, ...}:
-with lib;
-let
-  cfg = config.aviallon.desktop;
-  optimizeCfg = config.aviallon.optimizations;
-in {
-
-  config = mkIf (cfg.enable && (cfg.environment == "plasma")) {
-    # Enable the Plasma 5 Desktop Environment.
-    services.xserver.desktopManager.plasma5 = {
-      enable = true;
-      runUsingSystemd = true;
-      useQtScaling = true;
-
-      # Removed in: https://github.com/NixOS/nixpkgs/pull/172078
-      # and: https://github.com/NixOS/nixpkgs/pull/221721
-      # Once this (https://invent.kde.org/plasma/powerdevil/-/issues/19) is solved, make PR to add it back (prehaps by default?)
-      # supportDDC = true;
-    };
-
-    programs.firefox.enable = true;
-
-    # Already brought in by ${nixpkgs}/nixos/modules/services/x11/desktop-managers/plasma5.nix
-    # programs.firefox.nativeMessagingHosts.packages = [ pkgs.libsForQt5.plasma-browser-integration ];
-    
-    programs.firefox.policies.Extensions.Install = [ "plasma-browser-integration@kde.org" ];
-
-    environment.etc = {
-      "chromium/native-messaging-hosts/org.kde.plasma.browser_integration.json".source = 
-        "${pkgs.libsForQt5.plasma-browser-integration}/etc/chromium/native-messaging-hosts/org.kde.plasma.browser_integration.json";
-    };
-
-    programs.chromium.extensions = [
-      "cimiefiiaegbelhefglklhhakcgmhkai" # Plasma Browser Integration
-    ];
-
-    aviallon.desktop.sddm.enable = true;
-    
-    environment.systemPackages = with pkgs; with libsForQt5; [
-      skanpage
-      packagekit-qt
-      discover
-      akonadi
-      kmail
-      kdepim-addons
-      kdepim-runtime
-      
-      korganizer
-      kalendar
-      dolphin
-      kio-fuse
-      konsole
-      kate
-      yakuake
-      pinentry-qt
-      plasma-pa
-      ark
-      kolourpaint
-      krdc
-      sddm-kcm
-    ];
-
-    aviallon.programs.libreoffice.qt = true;
-
-    xdg.portal.enable = mkDefault true;
-    xdg.icons.enable = true;
-
-    # We prefer Plasma Wayland
-    services.xserver.displayManager.defaultSession = "plasmawayland";
-
-    systemd.user.services.setup-xdg-cursors = mkIf config.xdg.icons.enable {
-      script = ''
-          [ -d "$HOME/.icons/default" ] || mkdir -p "$HOME/.icons/default"
-          cat >"$HOME/.icons/default/index.theme" <<EOF
-          [icon theme]
-          Inherits=''${XCURSOR_THEME:-breeze_cursors}
-          EOF
-          '';
-      serviceConfig = {
-        Type = "oneshot";
-        RemainAfterExit = true;
-      };
-      wantedBy = [ "graphical-session-pre.target" ];
-      partOf = [ "graphical-session-pre.target" ];
-    };
-
-  };
-}

desktop/plasma/default.nix

@@ -0,0 +1,48 @@
+{config, pkgs, nixpkgs-unstable, lib, ...}:
+with lib;
+let
+  cfg = config.aviallon.desktop;
+  optimizeCfg = config.aviallon.optimizations;
+in {
+
+  imports = [
+    ./plasma5.nix
+    ./plasma6.nix
+  ];
+
+  config = mkIf (cfg.enable && (cfg.environment == "plasma" || cfg.environment == "plasma6" )) {
+    programs.firefox.enable = true;    
+    programs.firefox.policies.Extensions.Install = [ "plasma-browser-integration@kde.org" ];
+
+    programs.chromium.extensions = [
+      "cimiefiiaegbelhefglklhhakcgmhkai" # Plasma Browser Integration
+    ];
+
+    aviallon.desktop.sddm.enable = true;
+    aviallon.programs.libreoffice.qt = true;
+
+    xdg.portal.enable = mkDefault true;
+    xdg.icons.enable = true;
+
+    #environment.systemPackages = [
+      #config.programs.gnupg.agent.pinentryPackage
+    #];
+
+    systemd.user.services.setup-xdg-cursors = mkIf config.xdg.icons.enable {
+      script = ''
+          [ -d "$HOME/.icons/default" ] || mkdir -p "$HOME/.icons/default"
+          cat >"$HOME/.icons/default/index.theme" <<EOF
+          [icon theme]
+          Inherits=''${XCURSOR_THEME:-breeze_cursors}
+          EOF
+          '';
+      serviceConfig = {
+        Type = "oneshot";
+        RemainAfterExit = true;
+      };
+      wantedBy = [ "graphical-session-pre.target" ];
+      partOf = [ "graphical-session-pre.target" ];
+    };
+
+  };
+}

desktop/plasma/generic.nix

@@ -0,0 +1,24 @@
+{ kdePackages }:
+{
+  commonPackages = with kdePackages; [
+    skanpage
+    packagekit-qt
+    discover
+    akonadi
+    kmail
+    kdepim-addons
+    kdepim-runtime
+    calendarsupport
+
+    korganizer
+    dolphin
+    konsole
+    kate
+    yakuake
+    plasma-pa
+    ark
+    kolourpaint
+    krdc
+    sddm-kcm
+  ];
+}

desktop/plasma/plasma5.nix

@@ -0,0 +1,29 @@
+{ config, pkgs, lib, ... }:
+with lib;
+let
+  cfg = config.aviallon.desktop;
+  generic = import ./generic.nix {
+    kdePackages = pkgs.libsForQt5;
+  };
+in {
+  config = mkIf (cfg.enable && (cfg.environment == "plasma")) {
+    # Enable the Plasma 5 Desktop Environment.
+    services.xserver.desktopManager.plasma5 = {
+      enable = true;
+      runUsingSystemd = true;
+      useQtScaling = true;
+
+      # Removed in: https://github.com/NixOS/nixpkgs/pull/172078
+      # and: https://github.com/NixOS/nixpkgs/pull/221721
+      # Once this (https://invent.kde.org/plasma/powerdevil/-/issues/19) is solved, make PR to add it back (prehaps by default?)
+      # supportDDC = true;
+    };
+
+    environment.systemPackages = generic.commonPackages ++ [
+      pkgs.kio-fuse
+    ];
+
+    # We prefer Plasma Wayland
+    services.displayManager.defaultSession = "plasmawayland";
+  };
+}

desktop/plasma/plasma6.nix

@@ -0,0 +1,20 @@
+{ config, pkgs, lib, ... }:
+with lib;
+let
+  cfg = config.aviallon.desktop;
+  generic = import ./generic.nix {
+    kdePackages = pkgs.kdePackages;
+  };
+in {
+  config = mkIf (cfg.enable && (cfg.environment == "plasma6")) {
+    # Enable the Plasma 6 Desktop Environment.
+    services.desktopManager.plasma6 = {
+      enable = true;
+    };
+
+    environment.systemPackages = generic.commonPackages;
+
+    # We prefer Plasma Wayland
+    services.displayManager.defaultSession = "plasma";
+  };
+}