git checkout <tag> -b <new_branch_name>
git log v{{version}}.. --pretty --numstat --summary --no-merges | git2cl > ChangeLog
git log v{{version}}.. --pretty --numstat --summary --no-merges -- po/*.po | git2cl > po/ChangeLog
Using the <tt>Changelog</tt> files generated with <tt>git2cl</tt>,
Modify <tt>MANIFEST.in</tt>