On Tue, Oct 27, 2026 at 01:12:42PM +0100, Marc Espie wrote:
> Here's the patch that will check an extended header that also records
> the size of the last block, and error out if that doesn't match.

It is a simple extension to the existing metadata format which makes
total sense to me to have.

ok tb

(If nobody picks this up, I am going to commit this during the week end
unless I hear objections.)