$ git clone -n https://src.fedoraproject.org/rpms/python-BTrees.git /var/lib/mock/f38-build-682920-79010/root/chroot_tmpdir/scmroot/python-BTrees
Cloning into '/var/lib/mock/f38-build-682920-79010/root/chroot_tmpdir/scmroot/python-BTrees'...
$ git reset --hard 67f9c008591aa04e708f086fa05912c37f0b08d1
HEAD is now at 67f9c00 Version 5.0.