HADOOP-2124 Use of `hostname` does not work on Cygwin in some cases

git-svn-id: https://svn.apache.org/repos/asf/lucene/hadoop/trunk@590273 13f79535-47bb-0310-9956-ffa450edef68

src/contrib/hbase/CHANGES.txt

@@ -16,6 +16,7 @@ Trunk (unreleased changes)
    HADOOP-2064 TestSplit assertion and NPE failures (Patch build #952 and #953)
    HADOOP-2056 A table with row keys containing colon fails to split regions
    HADOOP-2079 HADOOP-2056 Fix generated HLog, HRegion names
+   HADOOP-2124 Use of `hostname` does not work on Cygwin in some cases
 
   IMPROVEMENTS
     HADOOP-2401 Add convenience put method that takes writable

src/contrib/hbase/bin/hbase-daemon.sh

@@ -94,9 +94,9 @@ if [ "$HADOOP_IDENT_STRING" = "" ]; then
 fi
 
 # some variables
-export HADOOP_LOGFILE=hbase-$HADOOP_IDENT_STRING-$command-`hostname`.log
+export HADOOP_LOGFILE=hbase-$HADOOP_IDENT_STRING-$command-$HOSTNAME.log
 export HADOOP_ROOT_LOGGER="INFO,DRFA"
-log=$HADOOP_LOG_DIR/hbase-$HADOOP_IDENT_STRING-$command-`hostname`.out  
+log=$HADOOP_LOG_DIR/hbase-$HADOOP_IDENT_STRING-$command-$HOSTNAME.out  
 pid=$HADOOP_PID_DIR/hbase-$HADOOP_IDENT_STRING-$command.pid
 
 # Set default scheduling priority