Re: Line ending normalization doesn't work as expected

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On Tue, Oct 3, 2017 at 9:00 PM, Junio C Hamano <gitster@xxxxxxxxx> wrote:
> Torsten Bögershausen <tboegi@xxxxxx> writes:
>
>>> $ git rm -r --cached . && git add .
>>
>> (Both should work)
>>
>> To be honest, from the documentation, I can't figure out the difference between
>> $ git read-tree --empty
>> and
>> $ git rm -r --cached .
>>
>> Does anybody remember the discussion, why we ended up with read-tree ?
>
> We used to use neither, and considered it fine to "rm .git/index" if
> you wanted to empty the on-disk index file in the old world.  In the
> modern world, folks want you to avoid touching filesystem directly
> and instead want you to use Git tools, and the above are two obvious
> ways to do so.
>
> "git read-tree" (without any parameter, i.e. "read these 0 trees and
> populate the index with it") and its modern and preferred synonym
> "git read-tree --empty" (i.e. "I am giving 0 trees and I know the
> sole effect of this command is to empty the index.") are more direct
> ways to express "I want the index emptied" between the two.
>
> The other one, "git rm -r --cached .", in the end gives you the same
> state because it tells Git to "iterate over all the entries in the
> index, find the ones that match pathspec '.', and remove them from
> the index.".  It is not wrong per-se, but conceptually it is a bit
> roundabout way to say that "I want the index emptied", I would
> think.
>
> I wouldn't be surprised if the "rm -r --cached ." were a lot slower,
> due to the overhead of having to do the pathspec filtering that ends
> up to be a no-op, but there shouldn't be a difference in the end
> result.

Sorry to bring this old thread back to life, but I did notice that
this causes file modes to reset back to 644 (from 755) on Windows
version of Git. Is there a way to `$ git read-tree --empty && git add
.` without mucking with file permissions?




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