$ git clone -n https://src.fedoraproject.org/rpms/openms.git /var/lib/mock/f42-build-862902-171231/root/chroot_tmpdir/scmroot/openms
Cloning into '/var/lib/mock/f42-build-862902-171231/root/chroot_tmpdir/scmroot/openms'...
$ git fetch origin 35b09fc30bb25292fbebc7c2c49e29351132d1d9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/openms
 * [new ref]         35b09fc30bb25292fbebc7c2c49e29351132d1d9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 35b09fc Rebuild for hdf5 1.14.5