$ git clone -n https://src.fedoraproject.org/rpms/fluidsynth.git /var/lib/mock/f39-build-1539719-36446/root/chroot_tmpdir/scmroot/fluidsynth
Cloning into '/var/lib/mock/f39-build-1539719-36446/root/chroot_tmpdir/scmroot/fluidsynth'...
$ git fetch origin 0683cbebb98fa65808997de703a682dc239aa740:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fluidsynth
 * [new ref]         0683cbebb98fa65808997de703a682dc239aa740 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0683cbe Update to 2.3.4