$ git clone -n https://src.fedoraproject.org/rpms/python-pyvo.git /var/lib/mock/f40-build-2204158-51952/root/chroot_tmpdir/scmroot/python-pyvo
Cloning into '/var/lib/mock/f40-build-2204158-51952/root/chroot_tmpdir/scmroot/python-pyvo'...
$ git fetch origin 226001eb289d0056482e9f7a1759073e330f04c1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pyvo
 * [new ref]         226001eb289d0056482e9f7a1759073e330f04c1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 226001e Update to version 1.5