HBASE-9446 saveVersion.sh spit pushd: not found popd: not found

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1520440 13f79535-47bb-0310-9956-ffa450edef68

hbase-common/pom.xml

@@ -84,7 +84,7 @@
                         <target>
                             <property name="generated.sources" location="${project.build.directory}/generated-sources"/>
 
-                            <exec executable="sh">
+                            <exec executable="bash">
                                 <arg line="${basedir}/src/saveVersion.sh ${project.version} ${generated.sources}/java"/>
                             </exec>
                         </target>

hbase-common/src/saveVersion.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 
 # This file is used to generate the annotation of package info that
 # records the user, url, revision and timestamp.
@@ -20,10 +20,11 @@
 
 unset LANG
 unset LC_CTYPE
+
 version=$1
 outputDirectory=$2
 
-pushd
+pushd .
 cd ..
 
 user=`whoami`