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-rw-r--r--nixpkgs/nixos/modules/services/x11/colord.nix2
-rw-r--r--nixpkgs/nixos/modules/services/x11/desktop-managers/cinnamon.nix205
-rw-r--r--nixpkgs/nixos/modules/services/x11/desktop-managers/default.nix1
-rw-r--r--nixpkgs/nixos/modules/services/x11/desktop-managers/pantheon.nix2
-rw-r--r--nixpkgs/nixos/modules/services/x11/desktop-managers/plasma5.nix20
-rw-r--r--nixpkgs/nixos/modules/services/x11/display-managers/default.nix64
-rw-r--r--nixpkgs/nixos/modules/services/x11/display-managers/gdm.nix74
-rw-r--r--nixpkgs/nixos/modules/services/x11/display-managers/lightdm-greeters/pantheon.nix2
-rw-r--r--nixpkgs/nixos/modules/services/x11/display-managers/lightdm.nix66
-rw-r--r--nixpkgs/nixos/modules/services/x11/display-managers/sddm.nix63
-rw-r--r--nixpkgs/nixos/modules/services/x11/imwheel.nix3
-rw-r--r--nixpkgs/nixos/modules/services/x11/picom.nix13
-rw-r--r--nixpkgs/nixos/modules/services/x11/urserver.nix38
-rw-r--r--nixpkgs/nixos/modules/services/x11/window-managers/qtile.nix2
-rw-r--r--nixpkgs/nixos/modules/services/x11/window-managers/xmonad.nix30
-rw-r--r--nixpkgs/nixos/modules/services/x11/xserver.nix20
16 files changed, 441 insertions, 164 deletions
diff --git a/nixpkgs/nixos/modules/services/x11/colord.nix b/nixpkgs/nixos/modules/services/x11/colord.nix
index cf113ad2af8c..31ccee6aa33f 100644
--- a/nixpkgs/nixos/modules/services/x11/colord.nix
+++ b/nixpkgs/nixos/modules/services/x11/colord.nix
@@ -26,7 +26,7 @@ in {
 
     systemd.packages = [ pkgs.colord ];
 
-    environment.etc."tmpfiles.d/colord.conf".source = "${pkgs.colord}/lib/tmpfiles.d/colord.conf";
+    systemd.tmpfiles.packages = [ pkgs.colord ];
 
     users.users.colord = {
       isSystemUser = true;
diff --git a/nixpkgs/nixos/modules/services/x11/desktop-managers/cinnamon.nix b/nixpkgs/nixos/modules/services/x11/desktop-managers/cinnamon.nix
new file mode 100644
index 000000000000..a404143a03d4
--- /dev/null
+++ b/nixpkgs/nixos/modules/services/x11/desktop-managers/cinnamon.nix
@@ -0,0 +1,205 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+
+  cfg = config.services.xserver.desktopManager.cinnamon;
+  serviceCfg = config.services.cinnamon;
+
+  nixos-gsettings-overrides = pkgs.cinnamon.cinnamon-gsettings-overrides.override {
+    extraGSettingsOverridePackages = cfg.extraGSettingsOverridePackages;
+    extraGSettingsOverrides = cfg.extraGSettingsOverrides;
+  };
+
+in
+
+{
+  options = {
+    services.cinnamon = {
+      apps.enable = mkEnableOption "Cinnamon default applications";
+    };
+
+    services.xserver.desktopManager.cinnamon = {
+      enable = mkEnableOption "the cinnamon 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).
+        '';
+      };
+
+      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.";
+      };
+    };
+
+    environment.cinnamon.excludePackages = mkOption {
+      default = [];
+      example = literalExample "[ pkgs.cinnamon.blueberry ]";
+      type = types.listOf types.package;
+      description = "Which packages cinnamon should exclude from the default environment";
+    };
+
+  };
+
+  config = mkMerge [
+    (mkIf (cfg.enable && config.services.xserver.displayManager.lightdm.enable && config.services.xserver.displayManager.lightdm.greeters.gtk.enable) {
+      services.xserver.displayManager.lightdm.greeters.gtk.extraConfig = mkDefault (builtins.readFile "${pkgs.cinnamon.mint-artwork}/etc/lightdm/lightdm-gtk-greeter.conf.d/99_linuxmint.conf");
+      })
+
+    (mkIf cfg.enable {
+      services.xserver.displayManager.sessionPackages = [ pkgs.cinnamon.cinnamon-common ];
+
+      services.xserver.displayManager.sessionCommands = ''
+        if test "$XDG_CURRENT_DESKTOP" = "Cinnamon"; then
+            true
+            ${concatMapStrings (p: ''
+              if [ -d "${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}
+        fi
+      '';
+
+      # Default services
+      hardware.bluetooth.enable = mkDefault true;
+      hardware.pulseaudio.enable = mkDefault true;
+      security.polkit.enable = true;
+      services.accounts-daemon.enable = true;
+      services.system-config-printer.enable = (mkIf config.services.printing.enable (mkDefault true));
+      services.dbus.packages = with pkgs.cinnamon; [
+        cinnamon-common
+        cinnamon-screensaver
+        nemo
+        xapps
+      ];
+      services.cinnamon.apps.enable = mkDefault true;
+      services.gnome3.glib-networking.enable = true;
+      services.gnome3.gnome-keyring.enable = true;
+      services.gvfs.enable = true;
+      services.udisks2.enable = true;
+      services.upower.enable = mkDefault config.powerManagement.enable;
+      services.xserver.libinput.enable = mkDefault true;
+      services.xserver.updateDbusEnvironment = true;
+      networking.networkmanager.enable = mkDefault true;
+
+      # Enable colord server
+      services.colord.enable = true;
+
+      # Enable dconf
+      programs.dconf.enable = true;
+
+      # Enable org.a11y.Bus
+      services.gnome3.at-spi2-core.enable = true;
+
+      # Fix lockscreen
+      security.pam.services = {
+        cinnamon-screensaver = {};
+      };
+
+      environment.systemPackages = with pkgs.cinnamon // pkgs; [
+        desktop-file-utils
+        nixos-artwork.wallpapers.simple-dark-gray
+        onboard
+        sound-theme-freedesktop
+
+        # common-files
+        cinnamon-common
+        cinnamon-session
+        cinnamon-desktop
+        cinnamon-menus
+
+        # utils needed by some scripts
+        killall
+
+        # session requirements
+        cinnamon-screensaver
+        # cinnamon-killer-daemon: provided by cinnamon-common
+        gnome3.networkmanagerapplet # session requirement - also nm-applet not needed
+
+        # packages
+        nemo
+        cinnamon-control-center
+        cinnamon-settings-daemon
+        gnome3.libgnomekbd
+        orca
+
+        # theme
+        gnome3.adwaita-icon-theme
+        hicolor-icon-theme
+        gnome3.gnome-themes-extra
+        gtk3.out
+        mint-artwork
+        mint-themes
+        mint-x-icons
+        mint-y-icons
+        vanilla-dmz
+
+        # other
+        glib # for gsettings
+        shared-mime-info # for update-mime-database
+        xdg-user-dirs
+      ];
+
+      # Override GSettings schemas
+      environment.sessionVariables.NIX_GSETTINGS_OVERRIDES_DIR = "${nixos-gsettings-overrides}/share/gsettings-schemas/nixos-gsettings-overrides/glib-2.0/schemas";
+
+      environment.pathsToLink = [
+        # FIXME: modules should link subdirs of `/share` rather than relying on this
+        "/share" # TODO: https://github.com/NixOS/nixpkgs/issues/47173
+      ];
+
+      # Shell integration for VTE terminals
+      programs.bash.vteIntegration = mkDefault true;
+      programs.zsh.vteIntegration = mkDefault true;
+
+      # Harmonize Qt5 applications under Pantheon
+      qt5.enable = true;
+      qt5.platformTheme = "gnome";
+      qt5.style = "adwaita";
+
+      # Default Fonts
+      fonts.fonts = with pkgs; [
+        source-code-pro # Default monospace font in 3.32
+        ubuntu_font_family # required for default theme
+      ];
+    })
+
+    (mkIf serviceCfg.apps.enable {
+      programs.geary.enable = mkDefault true;
+      programs.gnome-disks.enable = mkDefault true;
+      programs.gnome-terminal.enable = mkDefault true;
+      programs.evince.enable = mkDefault true;
+      programs.file-roller.enable = mkDefault true;
+
+      environment.systemPackages = (with pkgs // pkgs.gnome3 // pkgs.cinnamon; pkgs.gnome3.removePackagesByName [
+        # cinnamon team apps
+        blueberry
+        warpinator
+
+        # external apps shipped with linux-mint
+        hexchat
+        gnome-calculator
+      ] config.environment.cinnamon.excludePackages);
+    })
+  ];
+}
diff --git a/nixpkgs/nixos/modules/services/x11/desktop-managers/default.nix b/nixpkgs/nixos/modules/services/x11/desktop-managers/default.nix
index 5d3a84d71399..f5559eb53541 100644
--- a/nixpkgs/nixos/modules/services/x11/desktop-managers/default.nix
+++ b/nixpkgs/nixos/modules/services/x11/desktop-managers/default.nix
@@ -21,6 +21,7 @@ in
     ./none.nix ./xterm.nix ./xfce.nix ./plasma5.nix ./lumina.nix
     ./lxqt.nix ./enlightenment.nix ./gnome3.nix ./kodi.nix
     ./mate.nix ./pantheon.nix ./surf-display.nix ./cde.nix
+    ./cinnamon.nix
   ];
 
   options = {
diff --git a/nixpkgs/nixos/modules/services/x11/desktop-managers/pantheon.nix b/nixpkgs/nixos/modules/services/x11/desktop-managers/pantheon.nix
index 6dabca6bf096..e67e216f90d9 100644
--- a/nixpkgs/nixos/modules/services/x11/desktop-managers/pantheon.nix
+++ b/nixpkgs/nixos/modules/services/x11/desktop-managers/pantheon.nix
@@ -240,6 +240,8 @@ in
       # Otherwise you can't store NetworkManager Secrets with
       # "Store the password only for this user"
       programs.nm-applet.enable = true;
+      # Pantheon has its own network indicator
+      programs.nm-applet.indicator = false;
 
       # Shell integration for VTE terminals
       programs.bash.vteIntegration = mkDefault true;
diff --git a/nixpkgs/nixos/modules/services/x11/desktop-managers/plasma5.nix b/nixpkgs/nixos/modules/services/x11/desktop-managers/plasma5.nix
index 6d48b899d231..149f6cbb7628 100644
--- a/nixpkgs/nixos/modules/services/x11/desktop-managers/plasma5.nix
+++ b/nixpkgs/nixos/modules/services/x11/desktop-managers/plasma5.nix
@@ -7,7 +7,9 @@ let
   xcfg = config.services.xserver;
   cfg = xcfg.desktopManager.plasma5;
 
-  inherit (pkgs) kdeApplications plasma5 libsForQt5 qt5;
+  inherit (pkgs) kdeApplications kdeFrameworks plasma5;
+  libsForQt5 = pkgs.libsForQt514;
+  qt5 = pkgs.qt514;
   inherit (pkgs) writeText;
 
   pulseaudio = config.hardware.pulseaudio;
@@ -83,7 +85,7 @@ let
     # recognize that software that has been removed.
     rm -fv $HOME/.cache/ksycoca*
 
-    ${pkgs.libsForQt5.kservice}/bin/kbuildsycoca5
+    ${libsForQt5.kservice}/bin/kbuildsycoca5
   '';
 
   set_XDG_CONFIG_HOME = ''
@@ -203,7 +205,9 @@ in
         KERNEL=="i2c-[0-9]*", TAG+="uaccess"
       '';
 
-      environment.systemPackages = with pkgs; with qt5; with libsForQt5; with plasma5; with kdeApplications;
+      environment.systemPackages =
+        with qt5; with libsForQt5;
+        with plasma5; with kdeApplications; with kdeFrameworks;
         [
           frameworkintegration
           kactivities
@@ -293,7 +297,7 @@ in
 
           qtvirtualkeyboard
 
-          xdg-user-dirs # Update user dirs as described in https://freedesktop.org/wiki/Software/xdg-user-dirs/
+          pkgs.xdg-user-dirs # Update user dirs as described in https://freedesktop.org/wiki/Software/xdg-user-dirs/
         ]
 
         # Phonon audio backend
@@ -301,13 +305,13 @@ in
         ++ lib.optional (cfg.phononBackend == "vlc") libsForQt5.phonon-backend-vlc
 
         # Optional hardware support features
-        ++ lib.optionals config.hardware.bluetooth.enable [ bluedevil bluez-qt openobex obexftp ]
+        ++ lib.optionals config.hardware.bluetooth.enable [ bluedevil bluez-qt pkgs.openobex pkgs.obexftp ]
         ++ lib.optional config.networking.networkmanager.enable plasma-nm
         ++ lib.optional config.hardware.pulseaudio.enable plasma-pa
         ++ lib.optional config.powerManagement.enable powerdevil
-        ++ lib.optional config.services.colord.enable colord-kde
+        ++ lib.optional config.services.colord.enable pkgs.colord-kde
         ++ lib.optionals config.services.samba.enable [ kdenetwork-filesharing pkgs.samba ]
-        ++ lib.optional config.services.xserver.wacom.enable wacomtablet;
+        ++ lib.optional config.services.xserver.wacom.enable pkgs.wacomtablet;
 
       environment.pathsToLink = [
         # FIXME: modules should link subdirs of `/share` rather than relying on this
@@ -321,7 +325,7 @@ in
 
       fonts.fonts = with pkgs; [ noto-fonts hack-font ];
       fonts.fontconfig.defaultFonts = {
-        monospace = [ "Hack" "Noto Mono" ];
+        monospace = [ "Hack" "Noto Sans Mono" ];
         sansSerif = [ "Noto Sans" ];
         serif = [ "Noto Serif" ];
       };
diff --git a/nixpkgs/nixos/modules/services/x11/display-managers/default.nix b/nixpkgs/nixos/modules/services/x11/display-managers/default.nix
index aa6a5ec42be8..08ce8edd6612 100644
--- a/nixpkgs/nixos/modules/services/x11/display-managers/default.nix
+++ b/nixpkgs/nixos/modules/services/x11/display-managers/default.nix
@@ -55,13 +55,6 @@ let
         exec &> >(tee ~/.xsession-errors)
       ''}
 
-      # Tell systemd about our $DISPLAY and $XAUTHORITY.
-      # This is needed by the ssh-agent unit.
-      #
-      # Also tell systemd about the dbus session bus address.
-      # This is required by user units using the session bus.
-      /run/current-system/systemd/bin/systemctl --user import-environment DISPLAY XAUTHORITY DBUS_SESSION_BUS_ADDRESS
-
       # Load X defaults. This should probably be safe on wayland too.
       ${xorg.xrdb}/bin/xrdb -merge ${xresourcesXft}
       if test -e ~/.Xresources; then
@@ -70,6 +63,12 @@ let
           ${xorg.xrdb}/bin/xrdb -merge ~/.Xdefaults
       fi
 
+      # Import environment variables into the systemd user environment.
+      ${optionalString (cfg.displayManager.importedVariables != []) (
+        "/run/current-system/systemd/bin/systemctl --user import-environment "
+          + toString (unique cfg.displayManager.importedVariables)
+      )}
+
       # Speed up application start by 50-150ms according to
       # http://kdemonkey.blogspot.nl/2008/04/magic-trick.html
       rm -rf "$HOME/.compose-cache"
@@ -289,6 +288,14 @@ in
         '';
       };
 
+      importedVariables = mkOption {
+        type = types.listOf (types.strMatching "[a-zA-Z_][a-zA-Z0-9_]*");
+        visible = false;
+        description = ''
+          Environment variables to import into the systemd user environment.
+        '';
+      };
+
       job = {
 
         preStart = mkOption {
@@ -332,12 +339,45 @@ in
 
       };
 
+      # Configuration for automatic login. Common for all DM.
+      autoLogin = mkOption {
+        type = types.submodule {
+          options = {
+            enable = mkOption {
+              type = types.bool;
+              default = cfg.displayManager.autoLogin.user != null;
+              description = ''
+                Automatically log in as <option>autoLogin.user</option>.
+              '';
+            };
+
+            user = mkOption {
+              type = types.nullOr types.str;
+              default = null;
+              description = ''
+                User to be used for the automatic login.
+              '';
+            };
+          };
+        };
+
+        default = {};
+        description = ''
+          Auto login configuration attrset.
+        '';
+      };
+
     };
 
   };
 
   config = {
     assertions = [
+      { assertion = cfg.displayManager.autoLogin.enable -> cfg.displayManager.autoLogin.user != null;
+        message = ''
+          services.xserver.displayManager.autoLogin.enable requires services.xserver.displayManager.autoLogin.user to be set
+        '';
+      }
       {
         assertion = cfg.desktopManager.default != null || cfg.windowManager.default != null -> cfg.displayManager.defaultSession == defaultSessionFromLegacyOptions;
         message = "You cannot use both services.xserver.displayManager.defaultSession option and legacy options (services.xserver.desktopManager.default and services.xserver.windowManager.default).";
@@ -360,6 +400,16 @@ in
 
     services.xserver.displayManager.xserverBin = "${xorg.xorgserver.out}/bin/X";
 
+    services.xserver.displayManager.importedVariables = [
+      # This is required by user units using the session bus.
+      "DBUS_SESSION_BUS_ADDRESS"
+      # These are needed by the ssh-agent unit.
+      "DISPLAY"
+      "XAUTHORITY"
+      # This is required to specify session within user units (e.g. loginctl lock-session).
+      "XDG_SESSION_ID"
+    ];
+
     systemd.user.targets.graphical-session = {
       unitConfig = {
         RefuseManualStart = false;
diff --git a/nixpkgs/nixos/modules/services/x11/display-managers/gdm.nix b/nixpkgs/nixos/modules/services/x11/display-managers/gdm.nix
index 622ea62f3a91..eae70a57c781 100644
--- a/nixpkgs/nixos/modules/services/x11/display-managers/gdm.nix
+++ b/nixpkgs/nixos/modules/services/x11/display-managers/gdm.nix
@@ -37,6 +37,22 @@ let
 in
 
 {
+  imports = [
+    (mkRenamedOptionModule [ "services" "xserver" "displayManager" "gdm" "autoLogin" "enable" ] [
+      "services"
+      "xserver"
+      "displayManager"
+      "autoLogin"
+      "enable"
+    ])
+    (mkRenamedOptionModule [ "services" "xserver" "displayManager" "gdm" "autoLogin" "user" ] [
+      "services"
+      "xserver"
+      "displayManager"
+      "autoLogin"
+      "user"
+    ])
+  ];
 
   meta = {
     maintainers = teams.gnome.members;
@@ -48,48 +64,17 @@ in
 
     services.xserver.displayManager.gdm = {
 
-      enable = mkEnableOption ''
-        GDM, the GNOME Display Manager
-      '';
+      enable = mkEnableOption "GDM, the GNOME Display Manager";
 
-      debug = mkEnableOption ''
-        debugging messages in GDM
-      '';
+      debug = mkEnableOption "debugging messages in GDM";
 
-      autoLogin = mkOption {
-        default = {};
+      # Auto login options specific to GDM
+      autoLogin.delay = mkOption {
+        type = types.int;
+        default = 0;
         description = ''
-          Auto login configuration attrset.
+          Seconds of inactivity after which the autologin will be performed.
         '';
-
-        type = types.submodule {
-          options = {
-            enable = mkOption {
-              type = types.bool;
-              default = false;
-              description = ''
-                Automatically log in as the sepecified <option>autoLogin.user</option>.
-              '';
-            };
-
-            user = mkOption {
-              type = types.nullOr types.str;
-              default = null;
-              description = ''
-                User to be used for the autologin.
-              '';
-            };
-
-            delay = mkOption {
-              type = types.int;
-              default = 0;
-              description = ''
-                Seconds of inactivity after which the autologin will be performed.
-              '';
-            };
-
-          };
-        };
       };
 
       wayland = mkOption {
@@ -128,12 +113,6 @@ in
 
   config = mkIf cfg.gdm.enable {
 
-    assertions = [
-      { assertion = cfg.gdm.autoLogin.enable -> cfg.gdm.autoLogin.user != null;
-        message = "GDM auto-login requires services.xserver.displayManager.gdm.autoLogin.user to be set";
-      }
-    ];
-
     services.xserver.displayManager.lightdm.enable = false;
 
     users.users.gdm =
@@ -217,7 +196,6 @@ in
       KillMode = "mixed";
       IgnoreSIGPIPE = "no";
       BusName = "org.gnome.DisplayManager";
-      StandardOutput = "syslog";
       StandardError = "inherit";
       ExecReload = "${pkgs.coreutils}/bin/kill -SIGHUP $MAINPID";
       KeyringMode = "shared";
@@ -287,14 +265,14 @@ in
     environment.etc."gdm/custom.conf".text = ''
       [daemon]
       WaylandEnable=${if cfg.gdm.wayland then "true" else "false"}
-      ${optionalString cfg.gdm.autoLogin.enable (
+      ${optionalString cfg.autoLogin.enable (
         if cfg.gdm.autoLogin.delay > 0 then ''
           TimedLoginEnable=true
-          TimedLogin=${cfg.gdm.autoLogin.user}
+          TimedLogin=${cfg.autoLogin.user}
           TimedLoginDelay=${toString cfg.gdm.autoLogin.delay}
         '' else ''
           AutomaticLoginEnable=true
-          AutomaticLogin=${cfg.gdm.autoLogin.user}
+          AutomaticLogin=${cfg.autoLogin.user}
         '')
       }
 
diff --git a/nixpkgs/nixos/modules/services/x11/display-managers/lightdm-greeters/pantheon.nix b/nixpkgs/nixos/modules/services/x11/display-managers/lightdm-greeters/pantheon.nix
index 087c6b9c38ac..9bc9e2bf6162 100644
--- a/nixpkgs/nixos/modules/services/x11/display-managers/lightdm-greeters/pantheon.nix
+++ b/nixpkgs/nixos/modules/services/x11/display-managers/lightdm-greeters/pantheon.nix
@@ -43,7 +43,7 @@ in
     services.xserver.displayManager.lightdm.extraSeatDefaults = "greeter-show-manual-login=true";
 
     environment.etc."lightdm/io.elementary.greeter.conf".source = "${pkgs.pantheon.elementary-greeter}/etc/lightdm/io.elementary.greeter.conf";
-    environment.etc."wingpanel.d/io.elementary.greeter.whitelist".source = "${pkgs.pantheon.elementary-default-settings}/etc/wingpanel.d/io.elementary.greeter.whitelist";
+    environment.etc."wingpanel.d/io.elementary.greeter.allowed".source = "${pkgs.pantheon.elementary-default-settings}/etc/wingpanel.d/io.elementary.greeter.allowed";
 
   };
 }
diff --git a/nixpkgs/nixos/modules/services/x11/display-managers/lightdm.nix b/nixpkgs/nixos/modules/services/x11/display-managers/lightdm.nix
index 678cade44427..143785db0b4f 100644
--- a/nixpkgs/nixos/modules/services/x11/display-managers/lightdm.nix
+++ b/nixpkgs/nixos/modules/services/x11/display-managers/lightdm.nix
@@ -53,8 +53,8 @@ let
       ${optionalString cfg.greeter.enable ''
         greeter-session = ${cfg.greeter.name}
       ''}
-      ${optionalString cfg.autoLogin.enable ''
-        autologin-user = ${cfg.autoLogin.user}
+      ${optionalString dmcfg.autoLogin.enable ''
+        autologin-user = ${dmcfg.autoLogin.user}
         autologin-user-timeout = ${toString cfg.autoLogin.timeout}
         autologin-session = ${sessionData.autologinSession}
       ''}
@@ -82,6 +82,20 @@ in
     ./lightdm-greeters/enso-os.nix
     ./lightdm-greeters/pantheon.nix
     ./lightdm-greeters/tiny.nix
+    (mkRenamedOptionModule [ "services" "xserver" "displayManager" "lightdm" "autoLogin" "enable" ] [
+      "services"
+      "xserver"
+      "displayManager"
+      "autoLogin"
+      "enable"
+    ])
+    (mkRenamedOptionModule [ "services" "xserver" "displayManager" "lightdm" "autoLogin" "user" ] [
+     "services"
+     "xserver"
+     "displayManager"
+     "autoLogin"
+     "user"
+    ])
   ];
 
   options = {
@@ -149,39 +163,13 @@ in
         description = "Extra lines to append to SeatDefaults section.";
       };
 
-      autoLogin = mkOption {
-        default = {};
+      # Configuration for automatic login specific to LightDM
+      autoLogin.timeout = mkOption {
+        type = types.int;
+        default = 0;
         description = ''
-          Configuration for automatic login.
+          Show the greeter for this many seconds before automatic login occurs.
         '';
-
-        type = types.submodule {
-          options = {
-            enable = mkOption {
-              type = types.bool;
-              default = false;
-              description = ''
-                Automatically log in as the specified <option>autoLogin.user</option>.
-              '';
-            };
-
-            user = mkOption {
-              type = types.nullOr types.str;
-              default = null;
-              description = ''
-                User to be used for the automatic login.
-              '';
-            };
-
-            timeout = mkOption {
-              type = types.int;
-              default = 0;
-              description = ''
-                Show the greeter for this many seconds before automatic login occurs.
-              '';
-            };
-          };
-        };
       };
 
     };
@@ -195,17 +183,12 @@ in
           LightDM requires services.xserver.enable to be true
         '';
       }
-      { assertion = cfg.autoLogin.enable -> cfg.autoLogin.user != null;
-        message = ''
-          LightDM auto-login requires services.xserver.displayManager.lightdm.autoLogin.user to be set
-        '';
-      }
-      { assertion = cfg.autoLogin.enable -> sessionData.autologinSession != null;
+      { assertion = dmcfg.autoLogin.enable -> sessionData.autologinSession != null;
         message = ''
           LightDM auto-login requires that services.xserver.displayManager.defaultSession is set.
         '';
       }
-      { assertion = !cfg.greeter.enable -> (cfg.autoLogin.enable && cfg.autoLogin.timeout == 0);
+      { assertion = !cfg.greeter.enable -> (dmcfg.autoLogin.enable && cfg.autoLogin.timeout == 0);
         message = ''
           LightDM can only run without greeter if automatic login is enabled and the timeout for it
           is set to zero.
@@ -218,7 +201,7 @@ in
 
     # Set default session in session chooser to a specified values – basically ignore session history.
     # Auto-login is already covered by a config value.
-    services.xserver.displayManager.job.preStart = optionalString (!cfg.autoLogin.enable && dmcfg.defaultSession != null) ''
+    services.xserver.displayManager.job.preStart = optionalString (!dmcfg.autoLogin.enable && dmcfg.defaultSession != null) ''
       ${setSessionScript}/bin/set-session ${dmcfg.defaultSession}
     '';
 
@@ -270,7 +253,6 @@ in
       KeyringMode = "shared";
       KillMode = "mixed";
       StandardError = "inherit";
-      StandardOutput = "syslog";
     };
 
     environment.etc."lightdm/lightdm.conf".source = lightdmConf;
diff --git a/nixpkgs/nixos/modules/services/x11/display-managers/sddm.nix b/nixpkgs/nixos/modules/services/x11/display-managers/sddm.nix
index 2f42271da872..e63bb2e44539 100644
--- a/nixpkgs/nixos/modules/services/x11/display-managers/sddm.nix
+++ b/nixpkgs/nixos/modules/services/x11/display-managers/sddm.nix
@@ -61,9 +61,9 @@ let
     EnableHidpi=${if cfg.enableHidpi then "true" else "false"}
     SessionDir=${dmcfg.sessionData.desktops}/share/wayland-sessions
 
-    ${optionalString cfg.autoLogin.enable ''
+    ${optionalString dmcfg.autoLogin.enable ''
     [Autologin]
-    User=${cfg.autoLogin.user}
+    User=${dmcfg.autoLogin.user}
     Session=${autoLoginSessionName}.desktop
     Relogin=${boolToString cfg.autoLogin.relogin}
     ''}
@@ -78,6 +78,20 @@ in
   imports = [
     (mkRemovedOptionModule [ "services" "xserver" "displayManager" "sddm" "themes" ]
       "Set the option `services.xserver.displayManager.sddm.package' instead.")
+    (mkRenamedOptionModule [ "services" "xserver" "displayManager" "sddm" "autoLogin" "enable" ] [
+      "services"
+      "xserver"
+      "displayManager"
+      "autoLogin"
+      "enable"
+    ])
+    (mkRenamedOptionModule [ "services" "xserver" "displayManager" "sddm" "autoLogin" "user" ] [
+      "services"
+      "xserver"
+      "displayManager"
+      "autoLogin"
+      "user"
+    ])
   ];
 
   options = {
@@ -153,40 +167,14 @@ in
         '';
       };
 
-      autoLogin = mkOption {
-        default = {};
+      # Configuration for automatic login specific to SDDM
+      autoLogin.relogin = mkOption {
+        type = types.bool;
+        default = false;
         description = ''
-          Configuration for automatic login.
+          If true automatic login will kick in again on session exit (logout), otherwise it
+          will only log in automatically when the display-manager is started.
         '';
-
-        type = types.submodule {
-          options = {
-            enable = mkOption {
-              type = types.bool;
-              default = false;
-              description = ''
-                Automatically log in as <option>autoLogin.user</option>.
-              '';
-            };
-
-            user = mkOption {
-              type = types.nullOr types.str;
-              default = null;
-              description = ''
-                User to be used for the automatic login.
-              '';
-            };
-
-            relogin = mkOption {
-              type = types.bool;
-              default = false;
-              description = ''
-                If true automatic login will kick in again on session exit (logout), otherwise it
-                will only log in automatically when the display-manager is started.
-              '';
-            };
-          };
-        };
       };
 
     };
@@ -201,12 +189,7 @@ in
           SDDM requires services.xserver.enable to be true
         '';
       }
-      { assertion = cfg.autoLogin.enable -> cfg.autoLogin.user != null;
-        message = ''
-          SDDM auto-login requires services.xserver.displayManager.sddm.autoLogin.user to be set
-        '';
-      }
-      { assertion = cfg.autoLogin.enable -> autoLoginSessionName != null;
+      { assertion = dmcfg.autoLogin.enable -> autoLoginSessionName != null;
         message = ''
           SDDM auto-login requires that services.xserver.displayManager.defaultSession is set.
         '';
diff --git a/nixpkgs/nixos/modules/services/x11/imwheel.nix b/nixpkgs/nixos/modules/services/x11/imwheel.nix
index 3923df498e79..51f72dadbd43 100644
--- a/nixpkgs/nixos/modules/services/x11/imwheel.nix
+++ b/nixpkgs/nixos/modules/services/x11/imwheel.nix
@@ -61,7 +61,8 @@ in
             "--kill"
           ] ++ cfg.extraOptions);
           ExecStop = "${pkgs.procps}/bin/pkill imwheel";
-          Restart = "on-failure";
+          RestartSec = 3;
+          Restart = "always";
         };
       };
     };
diff --git a/nixpkgs/nixos/modules/services/x11/picom.nix b/nixpkgs/nixos/modules/services/x11/picom.nix
index 1289edd2904a..977d0fea2192 100644
--- a/nixpkgs/nixos/modules/services/x11/picom.nix
+++ b/nixpkgs/nixos/modules/services/x11/picom.nix
@@ -57,7 +57,15 @@ in {
       type = types.bool;
       default = false;
       description = ''
-        Whether of not to enable Picom as the X.org composite manager.
+        Whether or not to enable Picom as the X.org composite manager.
+      '';
+    };
+
+    experimentalBackends = mkOption {
+      type = types.bool;
+      default = false;
+      description = ''
+        Whether to use the unstable new reimplementation of the backends.
       '';
     };
 
@@ -302,7 +310,8 @@ in {
       };
 
       serviceConfig = {
-        ExecStart = "${pkgs.picom}/bin/picom --config ${configFile}";
+        ExecStart = "${pkgs.picom}/bin/picom --config ${configFile}"
+          + (optionalString cfg.experimentalBackends " --experimental-backends");
         RestartSec = 3;
         Restart = "always";
       };
diff --git a/nixpkgs/nixos/modules/services/x11/urserver.nix b/nixpkgs/nixos/modules/services/x11/urserver.nix
new file mode 100644
index 000000000000..0beb62eb766a
--- /dev/null
+++ b/nixpkgs/nixos/modules/services/x11/urserver.nix
@@ -0,0 +1,38 @@
+# urserver service
+{ config, lib, pkgs, ... }:
+
+let
+  cfg = config.services.urserver;
+in {
+
+  options.services.urserver.enable = lib.mkEnableOption "urserver";
+
+  config = lib.mkIf cfg.enable {
+
+    networking.firewall = {
+      allowedTCPPorts = [ 9510 9512 ];
+      allowedUDPPorts = [ 9511 9512 ];
+    };
+
+    systemd.user.services.urserver =  {
+      description = ''
+        Server for Unified Remote: The one-and-only remote for your computer.
+      '';
+      wantedBy = [ "graphical-session.target" ];
+      partOf = [ "graphical-session.target" ];
+      after = [ "network.target" ];
+      serviceConfig = {
+        Type = "forking";
+        ExecStart = ''
+          ${pkgs.urserver}/bin/urserver --daemon
+        '';
+        ExecStop = ''
+          ${pkgs.procps}/bin/pkill urserver
+        '';
+        RestartSec = 3;
+        Restart = "on-failure";
+      };
+    };
+  };
+
+}
diff --git a/nixpkgs/nixos/modules/services/x11/window-managers/qtile.nix b/nixpkgs/nixos/modules/services/x11/window-managers/qtile.nix
index ad3b65150b01..cadc316bbc4f 100644
--- a/nixpkgs/nixos/modules/services/x11/window-managers/qtile.nix
+++ b/nixpkgs/nixos/modules/services/x11/window-managers/qtile.nix
@@ -19,7 +19,7 @@ in
         waitPID=$!
       '';
     }];
-    
+
     environment.systemPackages = [ pkgs.qtile ];
   };
 }
diff --git a/nixpkgs/nixos/modules/services/x11/window-managers/xmonad.nix b/nixpkgs/nixos/modules/services/x11/window-managers/xmonad.nix
index 30c59b88f82f..dba25da8260c 100644
--- a/nixpkgs/nixos/modules/services/x11/window-managers/xmonad.nix
+++ b/nixpkgs/nixos/modules/services/x11/window-managers/xmonad.nix
@@ -16,6 +16,7 @@ let
                 cfg.extraPackages cfg.haskellPackages ++
                 optionals cfg.enableContribAndExtras
                 (with cfg.haskellPackages; [ xmonad-contrib xmonad-extras ]);
+    inherit (cfg) ghcArgs;
   } cfg.config;
 
 in
@@ -76,18 +77,35 @@ in
                  }
         '';
       };
+
+      xmonadCliArgs = mkOption {
+        default = [];
+        type = with lib.types; listOf str;
+        description = ''
+          Command line arguments passed to the xmonad binary.
+        '';
+      };
+
+      ghcArgs = mkOption {
+        default = [];
+        type = with lib.types; listOf str;
+        description = ''
+          Command line arguments passed to the compiler (ghc)
+          invocation when xmonad.config is set.
+        '';
+      };
+
     };
   };
   config = mkIf cfg.enable {
     services.xserver.windowManager = {
       session = [{
         name = "xmonad";
-        start = if (cfg.config != null) then ''
-          ${xmonadBin}
-          waitPID=$!
-        '' else ''
-          systemd-cat -t xmonad ${xmonad}/bin/xmonad &
-          waitPID=$!
+        start = let
+          xmonadCommand = if (cfg.config != null) then xmonadBin else "${xmonad}/bin/xmonad";
+        in ''
+           systemd-cat -t xmonad -- ${xmonadCommand} ${lib.escapeShellArgs cfg.xmonadCliArgs} &
+           waitPID=$!
         '';
       }];
     };
diff --git a/nixpkgs/nixos/modules/services/x11/xserver.nix b/nixpkgs/nixos/modules/services/x11/xserver.nix
index 400173745d3f..0552095ba955 100644
--- a/nixpkgs/nixos/modules/services/x11/xserver.nix
+++ b/nixpkgs/nixos/modules/services/x11/xserver.nix
@@ -113,14 +113,14 @@ let
   in concatMapStrings (getAttr "value") monitors;
 
   configFile = pkgs.runCommand "xserver.conf"
-    { xfs = optionalString (cfg.useXFS != false)
-        ''FontPath "${toString cfg.useXFS}"'';
+    { fontpath = optionalString (cfg.fontPath != null)
+        ''FontPath "${cfg.fontPath}"'';
       inherit (cfg) config;
       preferLocalBuild = true;
     }
       ''
         echo 'Section "Files"' >> $out
-        echo $xfs >> $out
+        echo $fontpath >> $out
 
         for i in ${toString fontsForXServer}; do
           if test "''${i:0:''${#NIX_STORE}}" == "$NIX_STORE"; then
@@ -151,6 +151,8 @@ in
       ./desktop-managers/default.nix
       (mkRemovedOptionModule [ "services" "xserver" "startGnuPGAgent" ]
         "See the 16.09 release notes for more information.")
+      (mkRemovedOptionModule ["services" "xserver" "useXFS" ]
+        "Use services.xserver.fontPath instead of useXFS")
     ];
 
 
@@ -481,11 +483,15 @@ in
         description = "Default colour depth.";
       };
 
-      useXFS = mkOption {
-        # FIXME: what's the type of this option?
-        default = false;
+      fontPath = mkOption {
+        type = types.nullOr types.str;
+        default = null;
         example = "unix/:7100";
-        description = "Determines how to connect to the X Font Server.";
+        description = ''
+          Set the X server FontPath. Defaults to null, which
+          means the compiled in defaults will be used. See
+          man xorg.conf for details.
+        '';
       };
 
       tty = mkOption {