#!/bin/sh

# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License.  You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

#
# This script cleans up old transaction logs and snapshots
#

#
# If this scripted is run out of /usr/bin or some other system bin directory
# it should be linked to and not copied. Things like java jar files are found
# relative to the canonical path of this script.
#

# Only follow symlinks if readlink supports it
if readlink -f "$0" > /dev/null 2>&1
then
  ZOOBIN=`readlink -f "$0"`
else
  ZOOBIN="$0"
fi
ZOOBINDIR=`dirname "$ZOOBIN"`

. $ZOOBINDIR/zkEnv.sh

ZOODATADIR=$(grep '^dataDir=' $ZOOCFG | sed -e 's/.*=//')
ZOODATALOGDIR=$(grep '^dataLogDir=' $ZOOCFG | sed -e 's/.*=//')

if [ "x${ZOODATALOGDIR}" = "x" ]
then
echo java "-Dzookeeper.log.dir=${ZOO_LOG_DIR}" "-Dzookeeper.root.logger=${ZOO_LOG4J_PROP}" \
     -cp $CLASSPATH $JVMFLAGS \
     org.apache.zookeeper.server.PurgeTxnLog $ZOODATADIR $*
else
echo java "-Dzookeeper.log.dir=${ZOO_LOG_DIR}" "-Dzookeeper.root.logger=${ZOO_LOG4J_PROP}" \
     -cp $CLASSPATH $JVMFLAGS \
     org.apache.zookeeper.server.PurgeTxnLog $ZOODATALOGDIR $ZOODATADIR $*
fi