# usages:
#
-# git-debrebase [<options>] analyse
-# git-debrebase [<options>] launder-v0 # prints breakwater tip etc.
# git-debrebase [<options>] downstream-rebase-launder-v0 # experimental
# problems / outstanding questions:
Prints the breakwater tip commitid.
Fails if your HEAD branch is not laundered.
+=item git-debrebase analyse
+
+Walks the history of the current branch,
+most recent commit first,
+back until the most recent anchor,
+printing the commit object id,
+and commit type and info
+(ie the semantics in the git-debrebase model)
+for each commit.
+
+=item git-debrebase launder-v0
+
+Launders the branch without recording anything in ffq-prev.
+Then prints some information about the current branch.
+Do not use this operation;
+it will be withdrawn soon.
+
=item git-debrebase convert-to-gbp
Converts a laundered branch into a