Re: [PATCH v2 1/2] Allow git-apply to ignore the hunk headers

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Johannes Schindelin <Johannes.Schindelin@xxxxxx> writes:

>> And the robustness issue I worry about the second point also applies to 
>> a line that is "^-- $", especially if we were to make this available to 
>> git-am.  Perhaps when the line begins with a '-', the logic could be 
>> extra careful to detect the case where the line looks like the e-mail 
>> signature separator and check one line beyond it to see if it does not 
>> look anything like part of a diff (in which case you stop, without 
>> considering the line you are currently looking at, "^-- $", a deletion 
>> of "^- $", as part of the preimage context).
>
> Is this really an issue?  fixup_counts() is only called after a hunk 
> header was read, and that should be well after any "^-- $".

Are you talking about "^-- $" or "^---$"?  Yes we are way past the
three-dash separator at this point, but e-mail signature separator happens
at the very end after the patch.

You read a hunk header line "@@ -l,m +n,o @@", and start counting the diff
text because you do not trust m and o.  When you read the last hunk in a
patch e-mail, you may hit a e-mail signature separator, like what is given
by format-patch output at the end.  Mistaking that as an extra preimage
context to remove "^- $" is what I was worried about.

-- 
I worry, therefore I am...
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