$ git clone -n https://src.fedoraproject.org/rpms/python3.git /var/lib/mock/f31-build-44166-25917/root/thebuilddir/tmp/scmroot/python3
Cloning into '/var/lib/mock/f31-build-44166-25917/root/thebuilddir/tmp/scmroot/python3'...
$ git reset --hard f585cd7ec184a899bd98801267d08630bfbccbdb
HEAD is now at f585cd7 Update to 3.7.4rc2