$ git clone -n https://src.fedoraproject.org/rpms/python-plaster.git /var/lib/mock/f45-build-32001-656/root/chroot_tmpdir/scmroot/python-plaster
Cloning into '/var/lib/mock/f45-build-32001-656/root/chroot_tmpdir/scmroot/python-plaster'...
$ git fetch origin d0232c609eaab493d3c9128b195b9d58a5728521:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-plaster
 * [new ref]         d0232c609eaab493d3c9128b195b9d58a5728521 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d0232c6 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild