$ git clone -n https://src.fedoraproject.org/rpms/ocl-icd.git /var/lib/mock/f40-build-1933427-25127/root/chroot_tmpdir/scmroot/ocl-icd
Cloning into '/var/lib/mock/f40-build-1933427-25127/root/chroot_tmpdir/scmroot/ocl-icd'...
$ git fetch origin c47f2018f9dcafc288e72ee9939a0db993402022:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocl-icd
 * [new ref]         c47f2018f9dcafc288e72ee9939a0db993402022 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c47f201 Rebuilt for new opencl-headers