Re: [PATCH] blame: handle broken commit headers gracefully

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Jeff King <peff@xxxxxxxx> writes:

> On Wed, Apr 17, 2013 at 08:33:54PM +0200, René Scharfe wrote:
>
>> Minimal patch, test case missing.  It's a bit sad that the old commit
>> parser of blame handled Ivan's specific corruption (extra "-<>" after
>> email) gracefully because it used the spaces as cutting points instead
>> of "<" and ">".
>
> That may mean there is room for improvement in split_ident_line to
> be more resilient in removing cruft. With something like:
>
>   Name <email@host>-<> 123456789 -0000
>
> it would obviously be nice to find the date timestamp there, but I
> wonder what the "email" field should return? The full broken string, or
> just "email@host"?

Or you can imagine nastier input strings, like

   Name <>-<email@host> 123456789 -0000
   Name <ema>-<il@host> 123456789 -0000
   Name <email@host~ 1234>56789 -0000

I am afraid that at some point "we should salvage as much as we
can", which is a worthy goal, becomes a losing proposition.
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