reftable: clarify how empty tables should be written

The format allows for some ambiguity, as a lone footer also starts
with a valid file header. However, the current JGit code will barf on
this. This commit codifies this behavior into the standard.

Signed-off-by: Han-Wen Nienhuys <hanwen@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Han-Wen Nienhuys 2020-05-20 17:36:11 +00:00 committed by Junio C Hamano
parent 35e6c47404
commit 10f007c370

View file

@ -733,6 +733,12 @@ version)
Once verified, the other fields of the footer can be accessed.
Empty tables
++++++++++++
A reftable may be empty. In this case, the file starts with a header
and is immediately followed by a footer.
Binary search
^^^^^^^^^^^^^