Re: 'git grep needle rev' attempts to access 'rev:.../.gitattributes' in the worktree

> On Wed, Oct 10, 2012 at 1:59 AM, Junio C Hamano <gitster@pobox.com> wrote:
>> Jeff King <peff@peff.net> writes:
>>
>>> I think we just need to have callers of grep_source_init provide us with
>>> the actual pathname (or NULL, in the case of GREP_SOURCE_BUF). That is
>>> where the information is lost.
>>
>> Yes.  I agree that is the right approach.
>
> Passing full path this way means prepare_attr_stack has to walk back
> to top directory for every files (even in the same directory). If
> .gitattributes are loaded while git-grep traverses the tree, then it
> can preload attr once per directory. But Jeff's approach looks
> simpler.