$ git clone -n https://src.fedoraproject.org/rpms/openms.git /var/lib/mock/f40-build-2400398-60549/root/chroot_tmpdir/scmroot/openms
Cloning into '/var/lib/mock/f40-build-2400398-60549/root/chroot_tmpdir/scmroot/openms'...
$ git fetch origin d84a96016f39db02b2f238bae5059a7f7202d86c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/openms
 * [new ref]         d84a96016f39db02b2f238bae5059a7f7202d86c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d84a960 Set Exclusive architectures