$ git clone -n https://src.fedoraproject.org/rpms/fluidsynth.git /var/lib/mock/f41-build-side-1-3126794-39526/root/chroot_tmpdir/scmroot/fluidsynth
Cloning into '/var/lib/mock/f41-build-side-1-3126794-39526/root/chroot_tmpdir/scmroot/fluidsynth'...
$ git fetch origin 9d417cf9a94ac2348e88934213a1d125deac78d5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fluidsynth
 * [new ref]         9d417cf9a94ac2348e88934213a1d125deac78d5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9d417cf Update to 2.4.0