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Download Source Release Files
export VERSION=2.0.0-M3M4
wget https://dist.apache.org/repos/dist/dev/nifi/nifi-$VERSION/nifi-$VERSION-source-release.zip
wget https://dist.apache.org/repos/dist/dev/nifi/nifi-$VERSION/nifi-$VERSION-source-release.zip.asc
wget https://dist.apache.org/repos/dist/dev/nifi/nifi-$VERSION/nifi-$VERSION-source-release.zip.sha256
wget https://dist.apache.org/repos/dist/dev/nifi/nifi-$VERSION/nifi-$VERSION-source-release.zip.sha512
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