refact(config) : separate in modules

modules/desktop.nix

@@ -0,0 +1,108 @@
+# Window Manager and desktop programs
+{ config, lib, pkgs, ... }:
+let
+  unstableTarball =
+    fetchTarball
+      https://github.com/NixOS/nixpkgs/archive/nixos-unstable.tar.gz;
+in
+{
+  sound.enable = true;
+  hardware.pulseaudio.enable = false;
+  security.rtkit.enable = true;
+
+  services = {
+    blueman.enable = true;
+    pipewire = {
+      enable = true;
+      alsa.enable = true;
+      alsa.support32Bit = true;
+      pulse.enable = true;
+      # If you want to use JACK applications, uncomment this
+      #jack.enable = true;
+
+      # use the example session manager (no others are packaged yet so this is enabled by default,
+      # no need to redefine it in your config for now)
+      #media-session.enable = true;
+    };
+    printing.enable = true; # Enable CUPS to print documents.
+    redshift.enable = true;
+    xserver = {
+      enable = true;
+      layout = "us";
+      displayManager.sddm.enable = true;
+      desktopManager.plasma5.enable = true;
+      desktopManager.plasma5.excludePackages = with pkgs.libsForQt5; [
+        elisa
+        gwenview
+        oxygen
+        khelpcenter
+        plasma-browser-integration
+      ];
+      # libinput.enable = true; # Enable touchpad support (enabled default in most desktopManager).
+    };
+  };
+
+  programs = {
+    dconf.enable = true;
+    firefox.enable = true;
+  };
+
+  imports = [
+    ./desktop-chromium.nix
+  ];
+
+  # Allow unfree packages
+  nixpkgs.config.allowUnfree = true;
+  nixpkgs.config = {
+    packageOverrides = pkgs: with pkgs; {
+      unstable = import unstableTarball {
+        config = config.nixpkgs.config;
+      };
+    };
+  };
+  # List packages installed in system profile. To search, run:
+  # $ nix search wget
+  environment.systemPackages = with pkgs; [
+    (vscode-with-extensions.override {
+      vscode = vscodium;
+      vscodeExtensions = with vscode-extensions; [
+        mkhl.direnv
+        jnoortheen.nix-ide
+        dracula-theme.theme-dracula
+        ms-vscode-remote.remote-ssh
+      ] ++ pkgs.vscode-utils.extensionsFromVscodeMarketplace [
+        {
+          name = "remote-ssh-edit";
+          publisher = "ms-vscode-remote";
+          version = "0.47.2";
+          sha256 = "1hp6gjh4xp2m1xlm1jsdzxw9d8frkiidhph6nvl24d0h8z34w49g";
+        }
+      ];
+    })
+    bitwarden
+    chromium
+    element-desktop
+    filezilla
+    inkscape-with-extensions
+    inter
+    gimp-with-plugins
+    libsForQt5.ark
+    mattermost-desktop
+    nextcloud-client
+    signal-desktop
+    tdesktop
+    thunderbird
+    vlc
+    vscodium
+    unstable.obsidian
+  ];
+
+  # Do not restart the display manager automatically
+  systemd.services.display-manager.restartIfChanged = lib.mkForce false;
+
+  # If something needs more than 20s to stop it should probably be
+  # killed.
+  systemd.extraConfig = ''
+    DefaultTimeoutStopSec=20s
+  '';
+}