From 300fe1cc9a406784fc157461f13ddb7e7f00002f Mon Sep 17 00:00:00 2001
From: Izorkin <Izorkin@gmail.com>
Date: Wed, 15 Aug 2018 22:02:50 +0300
Subject: [PATCH 1/2] syslog-ng: fix reload service

---
 nixos/modules/services/logging/syslog-ng.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nixos/modules/services/logging/syslog-ng.nix b/nixos/modules/services/logging/syslog-ng.nix
index 8466ff4630af..985b93a53746 100644
--- a/nixos/modules/services/logging/syslog-ng.nix
+++ b/nixos/modules/services/logging/syslog-ng.nix
@@ -88,7 +88,7 @@ in {
         StandardOutput = "null";
         Restart = "on-failure";
         ExecStart = "${cfg.package}/sbin/syslog-ng ${concatStringsSep " " syslogngOptions}";
-        ExecReload = "${pkgs.coreutils}/bin/kill -HUP ${pidFile}";
+        ExecReload = "${pkgs.coreutils}/bin/kill -HUP `${pkgs.coreutils}/bin/cat ${pidFile}`";
       };
     };
   };

From e4f45891866976f4df72d9ab635659b6e8c380e1 Mon Sep 17 00:00:00 2001
From: Izorkin <Izorkin@gmail.com>
Date: Thu, 16 Aug 2018 08:13:36 +0300
Subject: [PATCH 2/2] syslog-ng: fix reload service

---
 nixos/modules/services/logging/syslog-ng.nix | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/nixos/modules/services/logging/syslog-ng.nix b/nixos/modules/services/logging/syslog-ng.nix
index 985b93a53746..65e103ac2ba5 100644
--- a/nixos/modules/services/logging/syslog-ng.nix
+++ b/nixos/modules/services/logging/syslog-ng.nix
@@ -85,10 +85,11 @@ in {
       after = [ "multi-user.target" ]; # makes sure hostname etc is set
       serviceConfig = {
         Type = "notify";
+        PIDFile = pidFile;
         StandardOutput = "null";
         Restart = "on-failure";
         ExecStart = "${cfg.package}/sbin/syslog-ng ${concatStringsSep " " syslogngOptions}";
-        ExecReload = "${pkgs.coreutils}/bin/kill -HUP `${pkgs.coreutils}/bin/cat ${pidFile}`";
+        ExecReload = "${pkgs.coreutils}/bin/kill -HUP $MAINPID";
       };
     };
   };