[SPARK-11052] Spaces in the build dir causes failures in the build/mv…

…n script

Author: trystanleftwich <trystan@atscale.com>

Closes apache#9065 from trystanleftwich/SPARK-11052.

build/mvn

@@ -104,8 +104,8 @@ install_scala() {
     "scala-${scala_version}.tgz" \
     "scala-${scala_version}/bin/scala"
 
-  SCALA_COMPILER="$(cd "$(dirname ${scala_bin})/../lib" && pwd)/scala-compiler.jar"
-  SCALA_LIBRARY="$(cd "$(dirname ${scala_bin})/../lib" && pwd)/scala-library.jar"
+  SCALA_COMPILER="$(cd "$(dirname "${scala_bin}")/../lib" && pwd)/scala-compiler.jar"
+  SCALA_LIBRARY="$(cd "$(dirname "${scala_bin}")/../lib" && pwd)/scala-library.jar"
 }
 
 # Setup healthy defaults for the Zinc port if none were provided from
@@ -135,10 +135,10 @@ cd "${_CALLING_DIR}"
 
 # Now that zinc is ensured to be installed, check its status and, if its
 # not running or just installed, start it
-if [ -n "${ZINC_INSTALL_FLAG}" -o -z "`${ZINC_BIN} -status -port ${ZINC_PORT}`" ]; then
+if [ -n "${ZINC_INSTALL_FLAG}" -o -z "`"${ZINC_BIN}" -status -port ${ZINC_PORT}`" ]; then
   export ZINC_OPTS=${ZINC_OPTS:-"$_COMPILE_JVM_OPTS"}
-  ${ZINC_BIN} -shutdown -port ${ZINC_PORT}
-  ${ZINC_BIN} -start -port ${ZINC_PORT} \
+  "${ZINC_BIN}" -shutdown -port ${ZINC_PORT}
+  "${ZINC_BIN}" -start -port ${ZINC_PORT} \
     -scala-compiler "${SCALA_COMPILER}" \
     -scala-library "${SCALA_LIBRARY}" &>/dev/null
 fi

make-distribution.sh

@@ -121,7 +121,7 @@ if [ $(command -v git) ]; then
 fi
 
 
-if [ ! $(command -v "$MVN") ] ; then
+if [ ! "$(command -v "$MVN")" ] ; then
     echo -e "Could not locate Maven command: '$MVN'."
     echo -e "Specify the Maven command with the --mvn flag"
     exit -1;