$ git clone -n https://src.fedoraproject.org/rpms/rapidyaml.git /var/lib/mock/f41-build-746183-13352/root/chroot_tmpdir/scmroot/rapidyaml
Cloning into '/var/lib/mock/f41-build-746183-13352/root/chroot_tmpdir/scmroot/rapidyaml'...
$ git fetch origin 4288a4a6bddd0195a3a738c6a0ab15dcb4209c7e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rapidyaml
 * [new ref]         4288a4a6bddd0195a3a738c6a0ab15dcb4209c7e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4288a4a Update to 0.6.0