$ git clone -n https://src.fedoraproject.org/rpms/slurm.git /var/lib/mock/f42-build-864691-172514/root/chroot_tmpdir/scmroot/slurm
Cloning into '/var/lib/mock/f42-build-864691-172514/root/chroot_tmpdir/scmroot/slurm'...
$ git fetch origin ca783cc4af63bd26c7df598f795e24e8054e67f4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/slurm
 * [new ref]         ca783cc4af63bd26c7df598f795e24e8054e67f4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ca783cc Rebuild for hdf5 1.14.5