$ git clone -n https://src.fedoraproject.org/rpms/opencl-filesystem.git /var/lib/mock/f45-build-21004-577/root/chroot_tmpdir/scmroot/opencl-filesystem
Cloning into '/var/lib/mock/f45-build-21004-577/root/chroot_tmpdir/scmroot/opencl-filesystem'...
$ git fetch origin 55b9291ac99d19bbfc02161b7bcdc658ceda828a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/opencl-filesystem
 * [new ref]         55b9291ac99d19bbfc02161b7bcdc658ceda828a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 55b9291 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild