On Tue, Aug 27, 2013 at 11:44 PM, Junio C Hamano <gits...@pobox.com> wrote:
> As you have "0-index" escape hatch for SHA-1 table, but no similar
> escape hatch for the people's name table, I can see why it may be
> cumbersome to fix a thin pack by only appending to a received
> packfile and updating a few header fields, though.

We also need an escape hatch for path name table. But what if we store
appended objects in OBJ_REF_DELTA format where base ref is empty
tree/commit and cached by sha1_file.c? We won't need to update
dictionary tables. Parsing is a bit ugly though (e.g. v3 tree with v2
base) but we have to deal with that anyway because people can have v2
and v3 packs mixed in.
-- 
Duy
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