Remove HAL

It's obsolete and we no longer use it.

modules/config/no-x-libs.nix

@@ -7,7 +7,7 @@
       example = true;
       description = ''
         Switch off the options in the default configuration that require X libraries.
-        Currently this includes: ssh X11 forwarding, dbus, hal, fonts.enableCoreFonts,
+        Currently this includes: ssh X11 forwarding, dbus, fonts.enableCoreFonts,
         fonts.enableFontConfig
       '';
     };
@@ -16,7 +16,6 @@
     programs.ssh.setXAuthLocation = false;
     services = {
       dbus.enable = false;
-      hal.enable = false;
     };
     fonts = {
       enableCoreFonts = false;

modules/module-list.nix

@@ -70,7 +70,6 @@
   ./services/games/ghost-one.nix
   ./services/hardware/acpid.nix
   ./services/hardware/bluetooth.nix
-  ./services/hardware/hal.nix
   ./services/hardware/nvidia-optimus.nix
   ./services/hardware/pcscd.nix
   ./services/hardware/pommed.nix

modules/services/hardware/hal.nix

@@ -1,117 +0,0 @@
-# HAL daemon.
-{ config, pkgs, ... }:
-
-with pkgs.lib;
-
-let
-
-  cfg = config.services.hal;
-
-  inherit (pkgs) hal;
-
-  fdi = pkgs.buildEnv {
-    name = "hal-fdi";
-    pathsToLink = [ "/share/hal/fdi" ];
-    paths = cfg.packages;
-  };
-
-in
-
-{
-
-  ###### interface
-
-  options = {
-
-    services.hal = {
-
-      enable = mkOption {
-        default = false;
-        description = ''
-          Whether to start the HAL daemon.
-        '';
-      };
-
-      packages = mkOption {
-        default = [];
-        description = ''
-          Packages containing additional HAL configuration data.
-        '';
-      };
-
-    };
-
-  };
-
-
-  ###### implementation
-
-  config = mkIf cfg.enable {
-
-    environment.systemPackages = [ hal ];
-
-    services.hal.packages = [ hal pkgs.hal_info ];
-
-    security.policykit.enable = true;
-
-    users.extraUsers = singleton
-      { name = "haldaemon";
-        uid = config.ids.uids.haldaemon;
-        description = "HAL daemon user";
-      };
-
-    users.extraGroups = singleton
-      { name = "haldaemon";
-        gid = config.ids.gids.haldaemon;
-      };
-
-    jobs.hal =
-      { description = "HAL daemon";
-
-        startOn = "started dbus" + optionalString config.services.acpid.enable " and started acpid";
-
-        environment =
-          { # !!! HACK? These environment variables manipulated inside
-            # 'src'/hald/mmap_cache.c are used for testing the daemon.
-            HAL_FDI_SOURCE_PREPROBE = "${fdi}/share/hal/fdi/preprobe";
-            HAL_FDI_SOURCE_INFORMATION = "${fdi}/share/hal/fdi/information";
-            HAL_FDI_SOURCE_POLICY = "${fdi}/share/hal/fdi/policy";
-
-            # Stuff needed by the shell scripts run by HAL (in particular pm-utils).
-            HALD_RUNNER_PATH = concatStringsSep ":"
-              [ "${pkgs.coreutils}/bin"
-                "${pkgs.gnugrep}/bin"
-                "${pkgs.dbus_tools}/bin"
-                "${pkgs.procps}/bin"
-                "${pkgs.procps}/sbin"
-                "${config.system.sbin.modprobe}/sbin"
-                "${pkgs.module_init_tools}/bin"
-                "${pkgs.module_init_tools}/sbin"
-                "${pkgs.kbd}/bin"
-              ];
-          };
-
-        preStart =
-          ''
-            mkdir -m 0755 -p /var/cache/hald
-            mkdir -m 0755 -p /var/run/hald
-
-            rm -f /var/cache/hald/fdi-cache
-          '';
-
-        daemonType = "fork";
-
-        # The `PATH=' works around a bug in HAL: it concatenates
-        # its libexec directory to $PATH, but using a 512-byte
-        # buffer.  So if $PATH is too long it fails.
-        script = "PATH= exec ${hal}/sbin/hald --use-syslog";
-      };
-
-    services.udev.packages = [hal];
-
-    services.dbus.enable = true;
-    services.dbus.packages = [hal];
-
-  };
-
-}

modules/services/x11/desktop-managers/xfce.nix

@@ -89,7 +89,6 @@ in
       '';
 
     # Enable helpful DBus services.
-    services.hal = mkIf (!isXfce48) { enable = true; };
     services.udisks = mkIf isXfce48 { enable = true; };
     services.upower = mkIf (isXfce48 && config.powerManagement.enable) { enable = true; };