From 71fe742fc335aa7e6fae29a81ee8676cbe0a59f8 Mon Sep 17 00:00:00 2001
From: Alper Kanat <tunix@raptiye.org>
Date: Mon, 3 Nov 2008 23:44:20 +0000
Subject: [PATCH] added lock file support to the sync script..

---
 sync | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/sync b/sync
index 545cf41..f3dd186 100755
--- a/sync
+++ b/sync
@@ -2,5 +2,16 @@
 # sync.sh
 # 
 # this script is written to syncronize the lkd planet..
+#
+# author: Alper KANAT <alper.kanat@linux.org.tr>
 
-./planet.py gezegen/config.ini &> logs/planet-$(date +"%d.%m.%Y-%H:%M").log &
+PLANET_DIR="${HOME}/public_html/gezegen"
+LOCK_FILE="planet-sync.lck"
+
+if [[ -f "$PLANET_DIR/$LOCK_FILE" ]]; then
+	echo "there's a sync process running behind, please try again later.." &> logs/planet-$(date +"%d.%m.%Y-%H:%M").log &
+	exit 1
+else
+	./planet.py gezegen/config.ini &> logs/planet-$(date +"%d.%m.%Y-%H:%M").log &
+	touch "$PLANET_DIR/$LOCK_FILE"
+fi