Junio C Hamano <junkio@cox.net> writes:

quoted text
> Linus Torvalds <torvalds@linux-foundation.org> writes:
>
>> Btw, how would I implement this? If I really were energetic enough to 
>> implement it, I would do:
>> ...
>>  (b) Teach the git-update-index logic about hashing text blobs.
>
> I agree that we can assume editors can grok files with LF
> end-of-line just fine and we would not need to do the reverse
> conversion on checkout paths (e.g. "read-tree -u", "checkout-index").
>
> Textual diff generation needs to learn the CRLF-to-LF conversion
> in diff_populate_filespec(); this needs to be done even when the
> caller wants size_only.
>
> Oops.
>
> Not so fast.  What's your plan for st_size?

If I were to do this, I would say the cache should store the
size on the filesystem in stat fields.  Which means that the
object name recorded is text blob _after_ line endings are
normalized to LF, and its exploded size does not necessarily
match the cached size.

So this means that whoever does the diff_populate_filespec()
change needs to be careful, but it is not such a big deal.

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