From b1e05ed8fa95cd41e21b6d0e4da1c354b361c91d Mon Sep 17 00:00:00 2001
From: Nicolas Pierron <nicolas.b.pierron@gmail.com>
Date: Mon, 13 Apr 2009 10:55:41 +0000
Subject: [PATCH] * Synced with trunk @ 14913

svn path=/nixos/branches/modular-nixos/; revision=15010
---
 .../xserver/displayManager/default.nix        |  1 +
 upstart-jobs/xserver/displayManager/kdm.nix   | 68 +++++++++++++++++++
 2 files changed, 69 insertions(+)
 create mode 100644 upstart-jobs/xserver/displayManager/kdm.nix

diff --git a/upstart-jobs/xserver/displayManager/default.nix b/upstart-jobs/xserver/displayManager/default.nix
index 12393af8f6c6..f7734c96aaac 100644
--- a/upstart-jobs/xserver/displayManager/default.nix
+++ b/upstart-jobs/xserver/displayManager/default.nix
@@ -72,6 +72,7 @@ in
 {
   # list of display managers.
   require = [
+    (import ./kdm.nix)
     (import ./slim.nix)
   ];
 
diff --git a/upstart-jobs/xserver/displayManager/kdm.nix b/upstart-jobs/xserver/displayManager/kdm.nix
new file mode 100644
index 000000000000..38ab01c4c3c4
--- /dev/null
+++ b/upstart-jobs/xserver/displayManager/kdm.nix
@@ -0,0 +1,68 @@
+{pkgs, config, ...}:
+
+###### interface
+let
+  inherit (pkgs.lib) mkOption;
+
+  options = { services = { xserver = { displayManager = {
+
+    kdm = {
+      enable = mkOption {
+        default = false;
+        description = "
+          Whether to enable the KDE display manager.
+        ";
+      };
+    };
+
+  }; /* displayManager */ }; /* xserver */ }; /* services */ };
+
+in
+
+###### implementation
+let
+  xcfg = config.services.xserver;
+  dmcfg = xcfg.displayManager;
+  cfg = dmcfg.kdm;
+
+  inherit (pkgs.lib) mkIf;
+  inherit (pkgs) stdenv;
+  inherit (pkgs.kde42) kdebase_workspace;
+
+  kdmrc = stdenv.mkDerivation {
+    name = "kdmrc";
+    buildCommand = ''
+      cp ${kdebase_workspace}/share/config/kdm/kdmrc .
+      sed -i -e "s|#HaltCmd=|HaltCmd=${pkgs.upstart}/sbin/halt|" \
+             -e "s|#RebootCmd=|RebootCmd=${pkgs.upstart}/sbin/reboot|" \
+	     -e "s|#Xrdb=|Xrdb=${pkgs.xlibs.xrdb}/bin/xrdb|" \
+	     -e "s|#HiddenUsers=root|HiddenUsers=root,nixbld1,nixbld2,nixbld3,nixbld4,nixbld5,nixbld6,nixbld7,nixbld8,nixbld9,nixbld10|" \
+	     -e "s|ServerCmd=/FOO/bin/X|ServerCmd=${dmcfg.xserverBin} ${dmcfg.xserverArgs}|" \
+	     -e "s|Session=${kdebase_workspace}/share/config/kdm/Xsession|Session=${dmcfg.session.script}|" \
+	     -e "s|#FailsafeClient=|FailsafeClient=${pkgs.xterm}/bin/xterm|" \
+	     -e "s|#PluginsLogin=sign|PluginsLogin=${kdebase_workspace}/lib/kde4/kgreet_classic.so|" \
+      kdmrc
+      ensureDir $out
+      cp kdmrc $out
+    '';
+  };
+
+in
+
+mkIf cfg.enable {
+  require = [
+    options
+  ];
+
+  services = {
+    xserver = {
+      displayManager = {
+        job = {
+          beforeScript = "";
+          env = "";
+          execCmd = "${kdebase_workspace}/bin/kdm -config ${kdmrc}/kdmrc";
+        };
+      };
+    };
+  };
+}