$ git clone -n https://src.fedoraproject.org/rpms/spec2nii.git /var/lib/mock/f41-build-856615-167701/root/chroot_tmpdir/scmroot/spec2nii
Cloning into '/var/lib/mock/f41-build-856615-167701/root/chroot_tmpdir/scmroot/spec2nii'...
$ git fetch origin d3fab0a917bae501df06463e342f8cd406d559e9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/spec2nii
 * [new ref]         d3fab0a917bae501df06463e342f8cd406d559e9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d3fab0a On s390x, patch out the dependency on python-pymapvbvd