$ git clone -n https://src.fedoraproject.org/rpms/libntirpc.git /var/lib/mock/f38-build-side-42-init-devel-722689-27298/root/chroot_tmpdir/scmroot/libntirpc
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-722689-27298/root/chroot_tmpdir/scmroot/libntirpc'...
$ git fetch origin 498b24e4e812896c53557d22780861ba307141c8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libntirpc
 * [new ref]         498b24e4e812896c53557d22780861ba307141c8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 498b24e ntirpc-4.3 GA