$ git clone -n https://src.fedoraproject.org/rpms/gnuradio.git /var/lib/mock/f40-build-2213879-52338/root/chroot_tmpdir/scmroot/gnuradio
Cloning into '/var/lib/mock/f40-build-2213879-52338/root/chroot_tmpdir/scmroot/gnuradio'...
$ git fetch origin a08332c2c6b68bc0a680baa8ecf22b0a33cdcd48:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnuradio
 * [new ref]         a08332c2c6b68bc0a680baa8ecf22b0a33cdcd48 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a08332c Dropped fmt10 patch (upstreamed)