$ git clone -n https://src.fedoraproject.org/rpms/rapidyaml.git /var/lib/mock/f41-build-847907-164235/root/chroot_tmpdir/scmroot/rapidyaml
Cloning into '/var/lib/mock/f41-build-847907-164235/root/chroot_tmpdir/scmroot/rapidyaml'...
$ git fetch origin 054cec3c8998a682061aa9c03881b6687153a4a3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rapidyaml
 * [new ref]         054cec3c8998a682061aa9c03881b6687153a4a3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 054cec3 Update to 0.7.2