We may want to introduce an incompatible replacement syntax
under the name C<new-upstream>.
-=item git-debrebase make-patches
+=item git-debrebase make-patches [--quiet-would-amend]
Generate patches in debian/patches/
representing the changes made to upstream files.
changes to upstream files have been committed,
running it again can add the missing patches.
+If the patches implied by the current branch
+are not a simple superset of those already in debian/patches,
+make-patches will fail with exit status 7,
+and an error message.
+(The message can be suppress with --quiet-would-amend.)
+
=item git-debrebase convert-from-gbp [<upstream-commit-ish>]
Cnnverts a gbp patches-unapplied branch