From 38ae84092e611c840917795b847d68ba807dd964 Mon Sep 17 00:00:00 2001
From: Mike McGrath <mmcgrath@redhat.com>
Date: Mon, 22 Feb 2010 13:33:28 -0600
Subject: [PATCH] Added lockwrapper to scrip

Note, the last log message was completely wrong
---
 scripts/lock-wrapper/lock-wrapper.sh | 50 ++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100755 scripts/lock-wrapper/lock-wrapper.sh

diff --git a/scripts/lock-wrapper/lock-wrapper.sh b/scripts/lock-wrapper/lock-wrapper.sh
new file mode 100755
index 0000000..d8add48
--- /dev/null
+++ b/scripts/lock-wrapper/lock-wrapper.sh
@@ -0,0 +1,50 @@
+#!/bin/bash
+# Copyright (C) 2009 - Ricky Zhou ricky fedoraproject.org
+#
+# This program is free software; you can redistribute it and/or modify it 
+# under the terms of the GNU General Public License as published by the
+# Free Software Foundation; either version 2 or later.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
+#
+
+
+if [ $# -lt 2 ]; then
+    echo "Usage: $0 [name] [script]"
+    exit 1;
+fi
+
+NAME=$1
+SCRIPT=$2
+
+LOCKDIR="/var/tmp/$NAME"
+PIDFILE="$LOCKDIR/pid"
+
+function cleanup {
+    rm -rf "$LOCKDIR"
+}
+
+RESTORE_UMASK=$(umask -p)
+umask 0077
+if ! mkdir "$LOCKDIR"; then
+    echo "$LOCKDIR already exists, exiting"
+    PID=$(cat "$PIDFILE")
+    if [ -n "$PID" ]; then
+        echo "(pid $PID)"
+    fi
+    exit 1;
+fi
+
+trap cleanup EXIT SIGQUIT SIGHUP SIGTERM
+echo $$ > "$PIDFILE"
+
+$RESTORE_UMASK
+eval "$SCRIPT"
+