$ git clone -n https://src.fedoraproject.org/rpms/python-biopython.git /var/lib/mock/f41-build-813070-148555/root/chroot_tmpdir/scmroot/python-biopython
Cloning into '/var/lib/mock/f41-build-813070-148555/root/chroot_tmpdir/scmroot/python-biopython'...
$ git fetch origin 829a1aa0e2b529b23c2c26834ce5cf01f784df82:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-biopython
 * [new ref]         829a1aa0e2b529b23c2c26834ce5cf01f784df82 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 829a1aa Rebuild to increase release number