From 3886210b359b32fed032dfe501b688d280d0c487 Mon Sep 17 00:00:00 2001
From: Patrick Uiterwijk <puiterwijk@redhat.com>
Date: Tue, 16 Dec 2014 21:08:26 +0000
Subject: [PATCH] Make update-dns only reload named if something actually
 changed

---
 roles/dns/files/update-dns | 25 ++++++++++++++-----------
 1 file changed, 14 insertions(+), 11 deletions(-)

diff --git a/roles/dns/files/update-dns b/roles/dns/files/update-dns
index b166a12e1f..7f617c137f 100755
--- a/roles/dns/files/update-dns
+++ b/roles/dns/files/update-dns
@@ -2,18 +2,21 @@
 dnsgit='https://infrastructure.fedoraproject.org/infra/dns.git'
 destdir='/var/named/master/'
 
-if [ -d $destdir ];
+if [ ! -d $destdir ];
 then
-  cd $destdir
-  git pull -X theirs
-else
   git clone $dnsgit $destdir
 fi
-cd $tmpdir
 
-# change context so the chroot can cope
-chown -R named.named $destdir
-chcon -u system_u $destdir/* $destdir/*/*
-# reload named
-/sbin/service named start >>/dev/null 2>&1
-/sbin/service named reload >>/dev/null 2>&1
+cd $destdir
+git fetch origin
+
+if [ "`git diff origin/master master`" != "" ];
+then
+  git pull -X theirs
+  # change context so the chroot can cope
+  chown -R named.named $destdir
+  chcon -u system_u $destdir/* $destdir/*/*
+  # reload named
+  /sbin/service named start >>/dev/null 2>&1
+  /sbin/service named reload >>/dev/null 2>&1
+fi