$ git clone -n https://src.fedoraproject.org/rpms/xmlto.git /var/lib/mock/f45-build-38964-730/root/chroot_tmpdir/scmroot/xmlto
Cloning into '/var/lib/mock/f45-build-38964-730/root/chroot_tmpdir/scmroot/xmlto'...
$ git fetch origin 4f6221779d7c37d73cac7e2216abb912bbd0f1fa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xmlto
 * [new ref]         4f6221779d7c37d73cac7e2216abb912bbd0f1fa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4f62217 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild