$ git clone -n https://src.fedoraproject.org/rpms/gnuradio.git /var/lib/mock/f40-build-780429-130971/root/chroot_tmpdir/scmroot/gnuradio
Cloning into '/var/lib/mock/f40-build-780429-130971/root/chroot_tmpdir/scmroot/gnuradio'...
$ git fetch origin cc14688093142e3f4c6335114d22832454260754:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnuradio
 * [new ref]         cc14688093142e3f4c6335114d22832454260754 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cc14688 Added python3-zmq requirement