From e856134c8ef591fde1cba48dea8ad380f0d6912a Mon Sep 17 00:00:00 2001
From: Anton Reutov <a.reutov@outlook.com>
Date: Sat, 13 May 2017 21:41:34 +0200
Subject: [PATCH] Fixing duplicate of lines in 01_caching_pool.conf

---
 install/debian/8/templates/web/nginx/caching.sh | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/install/debian/8/templates/web/nginx/caching.sh b/install/debian/8/templates/web/nginx/caching.sh
index 6eb9126db..118e7b381 100755
--- a/install/debian/8/templates/web/nginx/caching.sh
+++ b/install/debian/8/templates/web/nginx/caching.sh
@@ -6,7 +6,13 @@ ip=$3
 home=$4
 docroot=$5
 
-str="proxy_cache_path /var/cache/nginx/$domain levels=2"
-str="$str keys_zone=$domain:10m inactive=60m max_size=512m;"
-echo "$str" >> /etc/nginx/conf.d/01_caching_pool.conf
-
+str="proxy_cache_path /var/cache/nginx/$domain levels=2" 
+str="$str keys_zone=$domain:10m inactive=60m max_size=512m;" 
+conf='/etc/nginx/conf.d/01_caching_pool.conf'
+if [ -e "$conf" ]; then
+    if [ -z "$(grep "=${domain}:" $conf)" ]; then
+        echo "$str" >> $conf
+    fi
+else
+    echo "$str" >> $conf
+fi