New hdapsd module

nixos/modules/module-list.nix

···
   ./services/monitoring/dd-agent.nix
   ./services/monitoring/grafana.nix
   ./services/monitoring/graphite.nix
+  ./services/monitoring/hdaps.nix
   ./services/monitoring/heapster.nix
   ./services/monitoring/longview.nix
   ./services/monitoring/monit.nix

nixos/modules/services/monitoring/hdaps.nix

···
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+  cfg = config.services.hdapsd;
+  hdapsd = [ pkgs.hdapsd ];
+in
+{
+  options = {
+    services.hdapsd.enable = mkEnableOption
+      ''
+        Hard Drive Active Protection System Daemon,
+        devices are detected and managed automatically by udev and systemd
+      '';
+  };
+
+  config = mkIf cfg.enable {
+    services.udev.packages = hdapsd;
+    systemd.packages = hdapsd;
+  };
+}

pkgs/os-specific/linux/hdapsd/default.nix

···
 
 let version = "20141203"; in
 stdenv.mkDerivation rec {
-  name = "ldapsd-"+version;
+  name = "hdapsd-"+version;
 
   src = fetchurl {
     url = "https://github.com/evgeni/hdapsd/releases/download/${version}/hdapsd-${version}.tar.gz";
     sha256 = "0ppgrfabd0ivx9hyny3c3rv4rphjyxcdsd5svx5pgfai49mxnl36";
   };
 
+  postInstall = builtins.readFile ./postInstall.sh;
+
   meta = with stdenv.lib;
     { description = "Hard Drive Active Protection System Daemon";
       hompage = "http://hdaps.sf.net/";
···
       platforms = platforms.linux;
       maintainers = [ maintainers.ehmry ];
     };
-}
+}

pkgs/os-specific/linux/hdapsd/postInstall.sh

···
+mkdir -p $out/lib/udev/rules.d $out/lib/systemd/system
+cp misc/hdapsd.rules $out/lib/udev/rules.d
+SBIN_REWRITE="s|@sbindir@|$out/bin|g"
+for i in misc/*.service.in
+do sed $SBIN_REWRITE "$i" > "$out/lib/systemd/system/$(basename ${i%.in})"
+done
+