gnustep: add nixos deamons

Adding basic daemons: gdomap and gdnc. It seems that GWorkspace
does is unable to work properly without the daemons.

nixos/modules/module-list.nix

@@ -340,6 +340,7 @@
   ./services/networking/freenet.nix
   ./services/networking/gale.nix
   ./services/networking/gateone.nix
+  ./services/networking/gdomap.nix
   ./services/networking/git-daemon.nix
   ./services/networking/gnunet.nix
   ./services/networking/gogoclient.nix
@@ -497,6 +498,7 @@
   ./services/x11/hardware/multitouch.nix
   ./services/x11/hardware/synaptics.nix
   ./services/x11/hardware/wacom.nix
+  ./services/x11/gdnc.nix
   ./services/x11/redshift.nix
   ./services/x11/window-managers/awesome.nix
   #./services/x11/window-managers/compiz.nix

nixos/modules/services/networking/gdomap.nix

@@ -0,0 +1,50 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+  cfg = config.services.gdomap;
+  stateDir = "/var/lib/gdomap";
+in
+{
+  #
+  # interface
+  #
+  options = {
+    services.gdomap = {
+      enable = mkOption {
+        default = false;
+	description = "
+	  Whether to enable gdomap, the GNUstep distributed objects daemon.
+
+	  Note that gdomap runs as root.
+        ";
+      };
+    };
+  };
+  #
+  # implementation
+  #
+  config = mkIf config.services.gdomap.enable {
+    # NOTE: gdomap runs as root
+    systemd.services.gdomap = {
+      description = "gdomap server";
+      wantedBy = [ "multi-user.target" ];
+      after = [ "network.target" ];
+      path  = [ pkgs.gnustep_base ];
+      preStart = ''
+	mkdir -m 755 -p ${stateDir}
+	mkdir -m 755 -p /run/gdomap
+      '';
+      serviceConfig = {
+        # NOTE: this is local-only configuration!
+        ExecStart = "@${pkgs.gnustep_base}/bin/gdomap"
+	  + " -j ${stateDir} -p";
+	Restart = "always"; # "no";
+	RestartSec = 2;
+	TimeoutStartSec = "30";
+	Type = "forking";
+      };
+    };
+  };
+}

nixos/modules/services/x11/gdnc.nix

@@ -0,0 +1,100 @@
+{ config, lib, pkgs, ... }:
+with lib;
+
+let
+  cfg = config.services.gdnc;
+  gnustepConf = pkgs.writeText "GNUstep.conf" ''
+    GNUSTEP_USER_CONFIG_FILE=.GNUstep.conf
+    GNUSTEP_USER_DIR=GNUstep
+    GNUSTEP_USER_DEFAULTS_DIR=GNUstep/Defaults
+    GNUSTEP_MAKEFILES=${pkgs.gnustep_make}/share/GNUstep/Makefiles
+    
+    GNUSTEP_SYSTEM_USERS_DIR=/homeless-shelter
+    GNUSTEP_NETWORK_USERS_DIR=/homeless-shelter
+    GNUSTEP_LOCAL_USERS_DIR=/homeless-shelter
+    
+    GNUSTEP_SYSTEM_APPS=${pkgs.gnustep_base}/lib/GNUstep/Applications
+    GNUSTEP_SYSTEM_ADMIN_APPS=${pkgs.gnustep_base}/lib/GNUstep/Applications
+    GNUSTEP_SYSTEM_WEB_APPS=${pkgs.gnustep_base}/lib/GNUstep/WebApplications
+    GNUSTEP_SYSTEM_TOOLS=${pkgs.gnustep_base}/bin
+    GNUSTEP_SYSTEM_ADMIN_TOOLS=${pkgs.gnustep_base}/sbin
+    GNUSTEP_SYSTEM_LIBRARY=${pkgs.gnustep_base}/lib/GNUstep
+    GNUSTEP_SYSTEM_HEADERS=${pkgs.gnustep_base}/include
+    GNUSTEP_SYSTEM_LIBRARIES=${pkgs.gnustep_base}/lib
+    GNUSTEP_SYSTEM_DOC=${pkgs.gnustep_base}/share/GNUstep/Documentation
+    GNUSTEP_SYSTEM_DOC_MAN=${pkgs.gnustep_base}/share/man
+    GNUSTEP_SYSTEM_DOC_INFO=${pkgs.gnustep_base}/share/info
+    
+    GNUSTEP_NETWORK_APPS=${pkgs.gnustep_base}/lib/GNUstep/Applications
+    GNUSTEP_NETWORK_ADMIN_APPS=${pkgs.gnustep_base}/lib/GNUstep/Applications
+    GNUSTEP_NETWORK_WEB_APPS=${pkgs.gnustep_base}/lib/GNUstep/WebApplications
+    GNUSTEP_NETWORK_TOOLS=${pkgs.gnustep_base}/bin
+    GNUSTEP_NETWORK_ADMIN_TOOLS=${pkgs.gnustep_base}/sbin
+    GNUSTEP_NETWORK_LIBRARY=${pkgs.gnustep_base}/lib/GNUstep
+    GNUSTEP_NETWORK_HEADERS=${pkgs.gnustep_base}/include
+    GNUSTEP_NETWORK_LIBRARIES=${pkgs.gnustep_base}/lib
+    GNUSTEP_NETWORK_DOC=${pkgs.gnustep_base}/share/GNUstep/Documentation
+    GNUSTEP_NETWORK_DOC_MAN=${pkgs.gnustep_base}/share/man
+    GNUSTEP_NETWORK_DOC_INFO=${pkgs.gnustep_base}/share/info
+
+    GNUSTEP_LOCAL_APPS=${pkgs.gnustep_base}/lib/GNUstep/Applications
+    GNUSTEP_LOCAL_ADMIN_APPS=${pkgs.gnustep_base}/lib/GNUstep/Applications
+    GNUSTEP_LOCAL_WEB_APPS=${pkgs.gnustep_base}/lib/GNUstep/WebApplications
+    GNUSTEP_LOCAL_TOOLS=${pkgs.gnustep_base}/bin
+    GNUSTEP_LOCAL_ADMIN_TOOLS=${pkgs.gnustep_base}/sbin
+    GNUSTEP_LOCAL_LIBRARY=${pkgs.gnustep_base}/lib/GNUstep
+    GNUSTEP_LOCAL_HEADERS=${pkgs.gnustep_base}/include
+    GNUSTEP_LOCAL_LIBRARIES=${pkgs.gnustep_base}/lib
+    GNUSTEP_LOCAL_DOC=${pkgs.gnustep_base}/share/GNUstep/Documentation
+    GNUSTEP_LOCAL_DOC_MAN=${pkgs.gnustep_base}/share/man
+    GNUSTEP_LOCAL_DOC_INFO=${pkgs.gnustep_base}/share/info
+
+    GNUSTEP_USER_DIR_APPS=GNUstep/Applications
+    GNUSTEP_USER_DIR_ADMIN_APPS=GNUstep/Applications/Admin
+    GNUSTEP_USER_DIR_WEB_APPS=GNUstep/WebApplications
+    GNUSTEP_USER_DIR_TOOLS=GNUstep/Tools
+    GNUSTEP_USER_DIR_ADMIN_TOOLS=GNUstep/Tools/Admin
+    GNUSTEP_USER_DIR_LIBRARY=GNUstep/Library
+    GNUSTEP_USER_DIR_HEADERS=GNUstep/Library/Headers
+    GNUSTEP_USER_DIR_LIBRARIES=GNUstep/Library/Libraries
+    GNUSTEP_USER_DIR_DOC=GNUstep/Library/Documentation
+    GNUSTEP_USER_DIR_DOC_MAN=GNUstep/Library/Documentation/man
+    GNUSTEP_USER_DIR_DOC_INFO=GNUstep/Library/Documentation/info
+  '';
+in {
+  options = {
+    services.gdnc.enable = mkOption {
+      type = types.bool;
+      default = false;
+      example = true;
+      description = "Enable gdnc, the GNUstep distributed notification center";
+    };
+  };
+  config = mkIf cfg.enable {
+    assertions = singleton {
+      assertion = config.services.gdnc.enable -> config.services.gdomap.enable;
+      message = "Cannot start gdnc without starting gdomap";
+    };
+    environment = {
+      systemPackages = [ pkgs.gnustep_make pkgs.gnustep_base ];
+    };
+    systemd.services.gdnc = {
+      path = [ pkgs.gnustep_make pkgs.gnustep_base ];
+      description = "gdnc: GNUstep distributed notification center";
+      requires = [ "gdomap.service" ];
+      wantedBy = [ "multi-user.target" ];
+      preStart = ''
+        export GNUSTEP_MAKEFILES=${pkgs.gnustep_make}/share/GNUstep/Makefiles
+      	export GNUSTEP_CONFIG_FILE=${gnustepConf}
+	. $GNUSTEP_MAKEFILES/GNUstep.sh      
+      '';
+      serviceConfig = {
+        ExecStart = "@${pkgs.gnustep_base}/bin/gdnc --verbose --no-fork";
+        Restart = "always";
+	RestartSec = 2;
+	TimeoutStartSec = "30";
+	Type = "forking";
+      };
+    };
+  };
+}