From 4a2516ccab863ddac20c12c9edb4fc9be721b43f Mon Sep 17 00:00:00 2001
From: Simon Paillard <spaillard@debian.org>
Date: Tue, 21 May 2013 16:26:00 +0200
Subject: rsync_protocol(): fix regex for bash 3.2

Thanks to maswan for the notice:
etc/common: line 239: unexpected argument `(' to conditional binary operator'

Introduced by 8d734b / a37134
---
 etc/common | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/etc/common b/etc/common
index de3cfac..49ca038 100644
--- a/etc/common
+++ b/etc/common
@@ -236,8 +236,9 @@ savelog() {
 # Return rsync version
 rsync_protocol() {
     RSYNC_VERSION="$(${RSYNC} --version)"
-    if [[ $RSYNC_VERSION =~ (protocol[ ]+version[ ]+([0-9]+)) ]]; then
+    RSYNC_REGEX="(protocol[ ]+version[ ]+([0-9]+))"    
+    if [[ ${RSYNC_VERSION} =~ ${RSYNC_REGEX} ]]; then
         echo ${BASH_REMATCH[2]}
     fi
-    unset RSYNC_VERSION
+    unset RSYNC_VERSION RSYNC_REGEX
 }
-- 
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