Move all of NixOS to nixos/ in preparation of the repository merge

1 files changed, 113 insertions, 0 deletions

diff --git a/nixos/modules/services/x11/display-managers/slim.nix b/nixos/modules/services/x11/display-managers/slim.nix
new file mode 100644
index 000000000000..9e8b9391f45f
--- /dev/null
+++ b/nixos/modules/services/x11/display-managers/slim.nix
@@ -0,0 +1,113 @@
+{ config, pkgs, ... }:
+
+with pkgs.lib;
+
+let
+
+  dmcfg = config.services.xserver.displayManager;
+  cfg = dmcfg.slim;
+
+  slimConfig = pkgs.writeText "slim.cfg"
+    ''
+      xauth_path ${dmcfg.xauthBin}
+      default_xserver ${dmcfg.xserverBin}
+      xserver_arguments ${dmcfg.xserverArgs}
+      sessions ${pkgs.lib.concatStringsSep "," (dmcfg.session.names ++ ["custom"])}
+      login_cmd exec ${pkgs.stdenv.shell} ${dmcfg.session.script} "%session"
+      halt_cmd ${config.systemd.package}/sbin/shutdown -h now
+      reboot_cmd ${config.systemd.package}/sbin/shutdown -r now
+      ${optionalString (cfg.defaultUser != "") ("default_user " + cfg.defaultUser)}
+      ${optionalString cfg.autoLogin "auto_login yes"}
+    '';
+
+  # Unpack the SLiM theme, or use the default.
+  slimThemesDir =
+    let
+      unpackedTheme = pkgs.stdenv.mkDerivation {
+        name = "slim-theme";
+        buildCommand = ''
+          ensureDir $out
+          cd $out
+          unpackFile ${cfg.theme}
+          ln -s * default
+        '';
+      };
+    in if cfg.theme == null then "${pkgs.slim}/share/slim/themes" else unpackedTheme;
+
+in
+
+{
+
+  ###### interface
+
+  options = {
+
+    services.xserver.displayManager.slim = {
+
+      enable = mkOption {
+        default = true;
+        description = ''
+          Whether to enable SLiM as the display manager.
+        '';
+      };
+
+      theme = mkOption {
+        default = null;
+        example = pkgs.fetchurl {
+          url = http://download.berlios.de/slim/slim-wave.tar.gz;
+          sha256 = "0ndr419i5myzcylvxb89m9grl2xyq6fbnyc3lkd711mzlmnnfxdy";
+        };
+        description = ''
+          The theme for the SLiM login manager.  If not specified, SLiM's
+          default theme is used.  See <link
+          xlink:href='http://slim.berlios.de/themes01.php'/> for a
+          collection of themes.
+        '';
+      };
+
+      defaultUser = mkOption {
+        default = "";
+        example = "login";
+        description = ''
+          The default user to load. If you put a username here you
+          get it automatically loaded into the username field, and
+          the focus is placed on the password.
+        '';
+      };
+
+      autoLogin = mkOption {
+        default = false;
+        example = true;
+        description = ''
+          Automatically log in as the default user.
+        '';
+      };
+
+    };
+
+  };
+
+
+  ###### implementation
+
+  config = mkIf cfg.enable {
+
+    services.xserver.displayManager.job =
+      { preStart =
+          ''
+            rm -f /var/log/slim.log
+          '';
+        environment =
+          { SLIM_CFGFILE = slimConfig;
+            SLIM_THEMESDIR = slimThemesDir;
+          };
+        execCmd = "exec ${pkgs.slim}/bin/slim";
+      };
+
+    # Allow null passwords so that the user can login as root on the
+    # installation CD.
+    security.pam.services = [ { name = "slim"; allowNullPassword = true; startSession = true; } ];
+
+  };
+
+}