$ git clone -n https://src.fedoraproject.org/rpms/gr-iqbal.git /var/lib/mock/f41-build-856672-167740/root/chroot_tmpdir/scmroot/gr-iqbal
Cloning into '/var/lib/mock/f41-build-856672-167740/root/chroot_tmpdir/scmroot/gr-iqbal'...
$ git fetch origin f28e3250505c49e434826f29d6aa57cb70a7af0a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gr-iqbal
 * [new ref]         f28e3250505c49e434826f29d6aa57cb70a7af0a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f28e325 Rebuilt for new gnuradio