$ git clone -n https://src.fedoraproject.org/rpms/python-BTrees.git /var/lib/mock/f33-build-179923-45128/root/chroot_tmpdir/scmroot/python-BTrees
Cloning into '/var/lib/mock/f33-build-179923-45128/root/chroot_tmpdir/scmroot/python-BTrees'...
$ git reset --hard 6ed334ac776c411285ed5cc339e693e3602f7a39
HEAD is now at 6ed334a Version 4.7.2.