# included in all the hbase scripts with source command
# should not be executable directly
# also should not be passed any arguments, since we need original $*

# resolve links - $0 may be a softlink

this="$0"
while [ -h "$this" ]; do
  ls=`ls -ld "$this"`
  link=`expr "$ls" : '.*-> \(.*\)$'`
  if expr "$link" : '.*/.*' > /dev/null; then
    this="$link"
  else
    this=`dirname "$this"`/"$link"
  fi
done

# convert relative path to absolute path
bin=`dirname "$this"`
script=`basename "$this"`
bin=`cd "$bin"; pwd`
this="$bin/$script"

# the root of the hbase installation
export HBASE_HOME=`dirname "$this"`/..

#check to see if the conf dir or hadoop home are given as an optional arguments
while [ $# -gt 1 ]
do
  case $1 in
    --config=*)
        HADOOP_CONF_DIR=`echo $1|sed 's/[^=]*=\(.*\)/\1/'`
        shift
      ;;
    --hbaseconfig=*)
        HBASE_CONF_DIR=`echo $1|sed 's/[^=]*=\(.*\)/\1/'`
        shift
      ;;

    --hadoop=*)
        HADOOP_HOME=`echo $1|sed 's/[^=]*=\(.*\)/\1/'`
        shift
      ;;
    --hosts=*)
        regionservers=`echo $1|sed 's/[^=]*=\(.*\)/\1/'`
        shift
      ;;

      *)
        break
      ;; 
  esac
done
 
# If no hadoop home specified, then we assume its above this directory.
HADOOP_HOME="${HADOOP_HOME:-$HBASE_HOME/../../../}"
# Allow alternate hadoop conf dir location.
HADOOP_CONF_DIR="${HADOOP_CONF_DIR:-$HADOOP_HOME/conf}"
# Allow alternate hbase conf dir location.
HBASE_CONF_DIR="${HBASE_CONF_DIR:-$HBASE_HOME/conf}"
# List of hbase regions servers.
HBASE_REGIONSERVERS="${HBASE_REGIONSERVERS:-$HBASE_HOME/conf/regionservers}"