$ git clone -n https://src.fedoraproject.org/rpms/voms.git /var/lib/mock/f40-build-751799-116372/root/chroot_tmpdir/scmroot/voms
Cloning into '/var/lib/mock/f40-build-751799-116372/root/chroot_tmpdir/scmroot/voms'...
$ git fetch origin 36a90f0a09ea869dc04a6d782ad49f5aa193744a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/voms
 * [new ref]         36a90f0a09ea869dc04a6d782ad49f5aa193744a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 36a90f0 More patches from upstream