$ git clone -n https://src.fedoraproject.org/rpms/libomp18.git /var/lib/mock/f41-build-855518-167156/root/chroot_tmpdir/scmroot/libomp18
Cloning into '/var/lib/mock/f41-build-855518-167156/root/chroot_tmpdir/scmroot/libomp18'...
$ git fetch origin 20151adea9bb0277fd56f5e381845e777559f74d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libomp18
 * [new ref]         20151adea9bb0277fd56f5e381845e777559f74d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 20151ad Conflict with next major version of non-compat package