$ git clone -n https://src.fedoraproject.org/rpms/nispor.git /var/lib/mock/f41-build-side-1-3078548-38916/root/chroot_tmpdir/scmroot/nispor
Cloning into '/var/lib/mock/f41-build-side-1-3078548-38916/root/chroot_tmpdir/scmroot/nispor'...
$ git fetch origin ff67aec0a02f66d78c8ec7040c82e6e67c0dddc0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nispor
 * [new ref]         ff67aec0a02f66d78c8ec7040c82e6e67c0dddc0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ff67aec Upgrade to 1.2.21