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set your version to 1.8.2 in airflow/version.py
tag your release `git tag 1.8.2rc3`
`git clean -f`- target is something like https://dist.apache.org/repos/dist/dev/incubator/airflow/1.8.2rc4/
(can be done with `svn co https://dist.apache.org/repos/dist/dev/incubator/airflow/`) - # tarball the repo
git archive --format=tar 1.8.2rc3 --prefix=apache-airflow-1.8.2rc3+incubating/ | gzip > apache-airflow-1.8.2rc3+incubating-source.tar.gz - generate sdist
python setup.py sdist Generate MD5/SHA512/ASC
</path to airflow source>/dev/sign.sh apache-airflow-1.9.0alpha0+incubating-source.tar.gz
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