$ git clone -n https://src.fedoraproject.org/rpms/fluidsynth.git /var/lib/mock/f45-build-9103-398/root/chroot_tmpdir/scmroot/fluidsynth
Cloning into '/var/lib/mock/f45-build-9103-398/root/chroot_tmpdir/scmroot/fluidsynth'...
$ git fetch origin 9e1acb1df9221be622065d0d7d7863f4e909b499:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fluidsynth
 * [new ref]         9e1acb1df9221be622065d0d7d7863f4e909b499 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9e1acb1 Update to 2.6.0