Solving long paths by hashing

[Dirkjan Ochtman]

Adrian Buehlmann wrote:
> Instead of writing a reverse mapping of encoded -> unencoded filenames
> into a single file as Jesse's patch does (the "longnames" file), we could:
> 
> Prepend a new prefix to the content of every name-hashed *.i file in the
> store, consisting of
> 
> a) a new revlog-header
> b) followed by the unencoded filename
> c) followed by some limiter
> 
> and then followed by whatever *.i files currently contain (somewhat similar
> to adding another layer to a protocol).

That seems overly complex, and a bit of a layer violation (storing the 
filename, or something which was used to determine the filename, in the 
file itself). I think I'd prefer a longnames file containing this info.

Cheers,

Dirkjan