From 21e910247c002e1f13a95449b8c28705c0dcff57 Mon Sep 17 00:00:00 2001
From: Claus-Justus Heine <Claus-Justus.Heine@IANS.Uni-Stuttgart.DE>
Date: Fri, 8 Jun 2007 12:47:22 +0000
Subject: [PATCH] Use SSH_AGENT_PID if set, otherwise try to use a matching
 socket from /tmp

---
 mksnap.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mksnap.sh b/mksnap.sh
index 8aed89a..843427b 100755
--- a/mksnap.sh
+++ b/mksnap.sh
@@ -11,8 +11,8 @@ SNAPSHOTDIR=/hosts/www/www/htdocs/IAM/homepages/claus/download/alberta/snapshots
 NSNAPSHOTS=10 # keep only the most recent 10 snapshots
 
 # Pray that we have a running ssh-agent (and only one ...)
-SSH_AGENT_PID=`ps -u claus  |grep ssh-agent|awk '{ print $1; }'`
-SSH_AUTH_SOCK=`find /tmp -user claus -name "agent.[0-9]*"`
+: ${SSH_AGENT_PID=`ps -u claus  |grep ssh-agent|awk '{ print $1; }'`}
+: ${SSH_AUTH_SOCK=`find /tmp -user claus -name "agent.[0-9]*"`}
 export SSH_AGENT_PID SSH_AUTH_SOCK
 
 if test -z "${SSH_AGENT_PID}" -o -z "${SSH_AUTH_SOCK}"; then
-- 
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