Install Gradle version required to build XMvn

xmvn-install-gradle.sh

#!/bin/sh
set -e

version=$(sed -n '/<gradleVersion>/s/.*>\(.*\)<.*/\1/;T;p' xmvn-parent/pom.xml)
test -n "$version"

wget http://services.gradle.org/distributions/gradle-$version-bin.zip
unzip gradle-$version-bin.zip

for artifactId in gradle-base-services gradle-base-services-groovy gradle-core gradle-dependency-management gradle-resources; do
    file=$PWD/gradle-$version/lib/$artifactId-$version.jar
    test -e $file || file=$PWD/gradle-$version/lib/plugins/$artifactId-$version.jar

    mvn install:install-file \
	-Dfile=$file \
	-DgroupId=org.gradle \
	-DartifactId=$artifactId \
	-Dversion=$version \
	-Dpackaging=jar
done