From d2373590e03d9f2002b77fac2ae33459e2ec51db Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Wed, 30 Nov 2016 19:38:05 +0100
Subject: [PATCH] gluon-core: add support for removing sysctl settings

---
 package/gluon-core/luasrc/usr/lib/lua/gluon/sysctl.lua | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/package/gluon-core/luasrc/usr/lib/lua/gluon/sysctl.lua b/package/gluon-core/luasrc/usr/lib/lua/gluon/sysctl.lua
index 44b0c217..ee429437 100644
--- a/package/gluon-core/luasrc/usr/lib/lua/gluon/sysctl.lua
+++ b/package/gluon-core/luasrc/usr/lib/lua/gluon/sysctl.lua
@@ -4,5 +4,9 @@ local util = require 'gluon.util'
 module 'gluon.sysctl'
 
 function set(name, value)
-	util.replace_prefix('/etc/sysctl.conf', name .. '=', name .. '=' .. value .. '\n')
+	local new
+	if value then
+		new = name .. '=' .. value .. '\n'
+	end
+	util.replace_prefix('/etc/sysctl.conf', name .. '=', new)
 end