$ git clone -n https://src.fedoraproject.org/rpms/geometry-hpp.git /var/lib/mock/f45-build-9757-408/root/chroot_tmpdir/scmroot/geometry-hpp
Cloning into '/var/lib/mock/f45-build-9757-408/root/chroot_tmpdir/scmroot/geometry-hpp'...
$ git fetch origin 26a0997c09ad147f7a336b79248c67874085dcaf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/geometry-hpp
 * [new ref]         26a0997c09ad147f7a336b79248c67874085dcaf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 26a0997 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild