diff --git a/hbase-common/src/saveVersion.sh b/hbase-common/src/saveVersion.sh
index 434e57061cc..f42862d83c7 100644
--- a/hbase-common/src/saveVersion.sh
+++ b/hbase-common/src/saveVersion.sh
@@ -29,19 +29,19 @@ outputDirectory=$2
 pushd .
 cd ..
 
-user=`whoami | sed -n -e 's/\\\/\\\\\\\\/p'`
+user=$(whoami | sed -n -e "s/\\\/\\\\\\\\/p")
 if [ "$user" == "" ]
 then
-  user=`whoami`
+  user=$(whoami)
 fi
-date=`date`
-cwd=`pwd`
+date=$(date)
+cwd=$(pwd)
 if [ -d .svn ]; then
-  revision=`(svn info | sed -n -e 's/Last Changed Rev: \(.*\)/\1/p') || true`
-  url=`(svn info | sed -n -e 's/^URL: \(.*\)/\1/p') || true`
+  revision=$( (svn info | sed -n -e "s/Last Changed Rev: \(.*\)/\1/p") || true)
+  url=$( (svn info | sed -n -e 's/^URL: \(.*\)/\1/p') || true)
 elif [ -d .git ]; then
-  revision=`git log -1 --no-show-signature --pretty=format:"%H" || true`
-  hostname=`hostname`
+  revision=$(git log -1 --no-show-signature --pretty=format:"%H" || true)
+  hostname=$(hostname)
   url="git://${hostname}${cwd}"
 fi
 if [ -z "${revision}" ]; then
@@ -49,14 +49,14 @@ if [ -z "${revision}" ]; then
   revision="Unknown"
   url="file://$cwd"
 fi
-if ! [  -x "$(command -v openssl)" ]; then
+if ! [ -x "$(command -v openssl)" ]; then
   if ! [ -x "$(command -v gpg)" ]; then
     srcChecksum="Unknown"
   else
-    srcChecksum=`find hbase-*/src/main/ | grep -e "\.java" -e "\.proto" | LC_ALL=C sort | xargs gpg --print-md sha512 | gpg --print-md sha512 | cut -d ' ' -f 1`
+    srcChecksum=$(find hbase-*/src/main/ | grep -e "\.java" -e "\.proto" | LC_ALL=C sort | xargs gpg --print-md sha512 | gpg --print-md sha512 | tr '\n' ' ' | sed 's/[[:space:]]*//g')
   fi
 else
-  srcChecksum=`find hbase-*/src/main/ | grep -e "\.java" -e "\.proto" | LC_ALL=C sort | xargs openssl dgst -sha512 | openssl dgst -sha512 | cut -d ' ' -f 1`
+  srcChecksum=$(find hbase-*/src/main/ | grep -e "\.java" -e "\.proto" | LC_ALL=C sort | xargs openssl dgst -sha512 | openssl dgst -sha512 | sed 's/^.* //')
 fi
 popd