In some cases where you used B<git debrebase convert-from-gbp> since
the last upload, it is not possible for dgit to make your history
fast-forwarding from the history on B<dgit-repos>. In such cases you
-will require I<--overwrite>. Try pushing without this option first,
-and then dgit will suggest using it if it is needed.
+will have to pass I<--overwrite> to dgit. git-debrebase will normally
+tell you if this is will be needed.
Right before uploading, if you did not just already do so, you might
want to have git-debrebase(1) shuffle your branch such that the Debian