From f903a3dcc80c4bad08dab1474b76c461c7f668a1 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Fri, 17 Aug 2012 11:01:07 -0400
Subject: [PATCH] dhcpcd.nix: Add a reload action for rebinding interfaces

---
 modules/services/networking/dhcpcd.nix | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/modules/services/networking/dhcpcd.nix b/modules/services/networking/dhcpcd.nix
index 2767af7200e..54fdf7b81cf 100644
--- a/modules/services/networking/dhcpcd.nix
+++ b/modules/services/networking/dhcpcd.nix
@@ -62,7 +62,7 @@ let
       fi
 
       #if [ "$reason" = EXPIRE -o "$reason" = RELEASE -o "$reason" = NOCARRIER ] ; then
-      #    ${config.system.build.upstart}/sbin/initctl emit -n ip-down $params
+      #    ${config.system.build.systemd}/bin/systemctl start ip-down.target
       #fi
     '';
 
@@ -102,6 +102,11 @@ in
         daemonType = "fork";
 
         exec = "dhcpcd --config ${dhcpcdConf}";
+
+        serviceConfig =
+          ''
+            ExecReload=${dhcpcd}/sbin/dhcpcd --rebind
+          '';
       };
 
     environment.systemPackages = [ dhcpcd ];
@@ -115,8 +120,7 @@ in
     powerManagement.resumeCommands =
       ''
         # Tell dhcpcd to rebind its interfaces if it's running.
-        status="$(${config.system.build.upstart}/sbin/status dhcpcd)"
-        [[ "$status" =~ start/running ]] && ${dhcpcd}/sbin/dhcpcd --rebind
+        ${config.system.build.systemctl}/bin/systemctl reload dhcpcd.service
       '';
 
   };