From 92eb9c4f77daad2b0614d6b985ad4740e8996b29 Mon Sep 17 00:00:00 2001
From: Filipp Lepalaan <filipp@mac.com>
Date: Tue, 22 Jun 2010 07:57:50 +0300
Subject: pidfile check in start.sh

---
 start.sh | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/start.sh b/start.sh
index 351474b..e6abfa3 100755
--- a/start.sh
+++ b/start.sh
@@ -10,6 +10,11 @@ if -z "${RSYNC_TARGET}"; then
   exit 1
 fi
 
+if [[ -e "$PIDFILE" ]]; then
+  echo "Offsync already running, exiting" 2>&1
+  exit 1
+fi
+
 date >> "${LOGFILE}"
 /usr/local/bin/rsync -auvhNHXxrz\
   --stats --protect-args --fileflags --force-change --delete\
@@ -20,6 +25,10 @@ echo $! > "$PIDFILE"
 
 # wait for rsync to finish
 wait $(cat "$PIDFILE")
-rm "$PIDFILE"
+
+# stop may have already deleted it
+if [[ -e "$PIDFILE" ]]; then
+  rm "$PIDFILE"
+fi
 
 tail "$LOGFILE" | mail -E -s "Offsite backup of $(hostname) completed" $MAILTO
-- 
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