$ git clone -n https://src.fedoraproject.org/rpms/python-BTrees.git /var/lib/mock/f32-build-118460-35686/root/chroot_tmpdir/scmroot/python-BTrees
Cloning into '/var/lib/mock/f32-build-118460-35686/root/chroot_tmpdir/scmroot/python-BTrees'...
$ git reset --hard 84ee25de90ac0c812015353bd643d3f6154d404a
HEAD is now at 84ee25d Version 4.6.1.