$ git clone -n https://src.fedoraproject.org/rpms/gsequencer.git /var/lib/mock/f39-build-1638602-40070/root/chroot_tmpdir/scmroot/gsequencer
Cloning into '/var/lib/mock/f39-build-1638602-40070/root/chroot_tmpdir/scmroot/gsequencer'...
$ git fetch origin b30f6266522dfc07a2be93162c0783f4b77b3d49:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gsequencer
 * [new ref]         b30f6266522dfc07a2be93162c0783f4b77b3d49 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b30f626 new upstream Advanced Gtk+ Sequencer v6.1.3