pantheon: init a 5.0

1 files changed, 195 insertions, 0 deletions

diff --git a/nixos/modules/services/x11/desktop-managers/pantheon.nix b/nixos/modules/services/x11/desktop-managers/pantheon.nix
new file mode 100644
index 00000000000..7e23dd9cde6
--- /dev/null
+++ b/nixos/modules/services/x11/desktop-managers/pantheon.nix
@@ -0,0 +1,195 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+
+  cfg = config.services.xserver.desktopManager.pantheon;
+
+  nixos-gsettings-desktop-schemas = pkgs.pantheon.elementary-gsettings-schemas.override {
+    extraGSettingsOverridePackages = cfg.extraGSettingsOverridePackages;
+    extraGSettingsOverrides = cfg.extraGSettingsOverrides;
+  };
+
+in
+
+{
+  options = {
+
+    services.xserver.desktopManager.pantheon = {
+      enable = mkOption {
+        type = types.bool;
+        default = false;
+        description = "Enable the pantheon desktop manager";
+      };
+
+      sessionPath = mkOption {
+        default = [];
+        example = literalExample "[ pkgs.gnome3.gpaste ]";
+        description = ''
+          Additional list of packages to be added to the session search path.
+          Useful for GSettings-conditional autostart.
+
+          Note that this should be a last resort; patching the package is preferred (see GPaste).
+        '';
+        apply = list: list ++
+        [
+          pkgs.pantheon.pantheon-agent-geoclue2
+        ];
+      };
+
+      extraGSettingsOverrides = mkOption {
+        default = "";
+        type = types.lines;
+        description = "Additional gsettings overrides.";
+      };
+
+      extraGSettingsOverridePackages = mkOption {
+        default = [];
+        type = types.listOf types.path;
+        description = "List of packages for which gsettings are overridden.";
+      };
+
+      debug = mkEnableOption "gnome-session debug messages";
+
+    };
+
+    environment.pantheon.excludePackages = mkOption {
+      default = [];
+      example = literalExample "[ pkgs.pantheon.elementary-camera ]";
+      type = types.listOf types.package;
+      description = "Which packages pantheon should exclude from the default environment";
+    };
+
+  };
+
+
+  config = mkIf cfg.enable {
+
+    services.xserver.displayManager.extraSessionFilePackages = [ pkgs.pantheon.elementary-session-settings ];
+
+    # Ensure lightdm is used when Pantheon is enabled
+    # Without it screen locking will be nonfunctional because of the use of lightlocker
+    services.xserver.displayManager.lightdm.enable = mkDefault true;
+    services.xserver.displayManager.lightdm.greeters.pantheon.enable = mkDefault true;
+
+    # If not set manually Pantheon session cannot be started
+    # Known issue of https://github.com/NixOS/nixpkgs/pull/43992
+    services.xserver.desktopManager.default = mkForce "pantheon";
+
+    services.xserver.displayManager.sessionCommands = ''
+      if test "$XDG_CURRENT_DESKTOP" = "Pantheon"; then
+          ${concatMapStrings (p: ''
+            if [ -d "${p}/share/gsettings-schemas/${p.name}" ]; then
+              export XDG_DATA_DIRS=$XDG_DATA_DIRS''${XDG_DATA_DIRS:+:}${p}/share/gsettings-schemas/${p.name}
+            fi
+
+            if [ -d "${p}/lib/girepository-1.0" ]; then
+              export GI_TYPELIB_PATH=$GI_TYPELIB_PATH''${GI_TYPELIB_PATH:+:}${p}/lib/girepository-1.0
+              export LD_LIBRARY_PATH=$LD_LIBRARY_PATH''${LD_LIBRARY_PATH:+:}${p}/lib
+            fi
+          '') cfg.sessionPath}
+
+          # Makes qt applications look less alien
+          export QT_QPA_PLATFORMTHEME=gtk3
+          export QT_STYLE_OVERRIDE=adwaita
+      fi
+    '';
+
+    hardware.bluetooth.enable = mkDefault true;
+    hardware.pulseaudio.enable = mkDefault true;
+    security.polkit.enable = true;
+    services.accounts-daemon.enable = true;
+    services.bamf.enable = true;
+    services.colord.enable = mkDefault true;
+    services.pantheon.files.enable = mkDefault true;
+    services.tumbler.enable = mkDefault true;
+    services.dbus.packages = mkMerge [
+      ([ pkgs.pantheon.switchboard-plug-power ])
+      (mkIf config.services.printing.enable  ([pkgs.system-config-printer]) )
+    ];
+    services.pantheon.contractor.enable = true;
+    services.geoclue2.enable = mkDefault true;
+    # pantheon has pantheon-agent-geoclue2
+    services.geoclue2.enableDemoAgent = false;
+    services.gnome3.at-spi2-core.enable = true;
+    services.gnome3.evolution-data-server.enable = true;
+    # TODO: gnome-keyring's xdg autostarts will still be in the environment (from elementary-session-settings) if disabled forcefully
+    services.gnome3.gnome-keyring.enable = true;
+    services.gnome3.gvfs.enable = true;
+    services.gnome3.rygel.enable = true;
+    services.gsignond.enable = true;
+    services.gsignond.plugins = with pkgs.gsignondPlugins; [ lastfm mail oauth ];
+    services.udev.packages = [ pkgs.pantheon.elementary-settings-daemon ];
+    services.udisks2.enable = true;
+    services.upower.enable = config.powerManagement.enable;
+    services.xserver.libinput.enable = mkDefault true;
+    services.xserver.updateDbusEnvironment = true;
+    services.zeitgeist.enable = true;
+
+    networking.networkmanager.enable = mkDefault true;
+    networking.networkmanager.basePackages =
+      { inherit (pkgs) networkmanager modemmanager wpa_supplicant;
+        inherit (pkgs.gnome3) networkmanager-openvpn networkmanager-vpnc
+                              networkmanager-openconnect networkmanager-fortisslvpn
+                              networkmanager-iodine networkmanager-l2tp; };
+
+    # Override GSettings schemas
+    environment.variables.NIX_GSETTINGS_OVERRIDES_DIR = "${nixos-gsettings-desktop-schemas}/share/gsettings-schemas/nixos-gsettings-overrides/glib-2.0/schemas";
+
+    environment.variables.GNOME_SESSION_DEBUG = optionalString cfg.debug "1";
+
+    environment.variables.GIO_EXTRA_MODULES = [
+      "${lib.getLib pkgs.gnome3.dconf}/lib/gio/modules"
+      "${pkgs.gnome3.glib-networking.out}/lib/gio/modules"
+      "${pkgs.gnome3.gvfs}/lib/gio/modules"
+    ];
+
+    environment.pathsToLink = [
+      # FIXME: modules should link subdirs of `/share` rather than relying on this
+      "/share"
+    ];
+
+    environment.systemPackages = pkgs.pantheon.artwork ++ pkgs.pantheon.desktop ++ pkgs.pantheon.services ++ cfg.sessionPath
+      ++ (pkgs.gnome3.removePackagesByName pkgs.pantheon.apps config.environment.pantheon.excludePackages)
+      ++ (with pkgs.gnome3;
+      [
+        adwaita-icon-theme
+        dconf
+        epiphany
+        evince
+        file-roller
+        geary
+        gnome-bluetooth
+        gnome-font-viewer
+        gnome-power-manager
+      ])
+      ++ (with pkgs;
+      [
+        adwaita-qt
+        desktop-file-utils
+        glib
+        glib-networking
+        gnome-menus
+        gtk3.out
+        hicolor-icon-theme
+        lightlocker
+        plank
+        qgnomeplatform
+        shared-mime-info
+        sound-theme-freedesktop
+        xdg-user-dirs
+      ]);
+
+    fonts.fonts = with pkgs; [
+      opensans-ttf
+      roboto-mono
+    ];
+    fonts.fontconfig.defaultFonts = {
+      monospace = [ "Roboto Mono" ];
+      sansSerif = [ "Open Sans" ];
+    };
+
+  };
+
+}