$ git clone -n https://src.fedoraproject.org/rpms/libvirt-python.git /var/lib/mock/f42-build-3285663-41413/root/chroot_tmpdir/scmroot/libvirt-python
Cloning into '/var/lib/mock/f42-build-3285663-41413/root/chroot_tmpdir/scmroot/libvirt-python'...
$ git fetch origin a536c570fb5c326cb262fa609df0d780c60e5635:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libvirt-python
 * [new ref]         a536c570fb5c326cb262fa609df0d780c60e5635 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a536c57 libvirt-python-11.0.0-1