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Re: [PATCH 4/5] interpret-trailers: add an option to normalize output

On Thu, Aug 10, 2017 at 8:37 PM, Jeff King <peff@xxxxxxxx> wrote:
> On Thu, Aug 10, 2017 at 11:35:00AM -0700, Stefan Beller wrote:
>> On Thu, Aug 10, 2017 at 1:03 AM, Jeff King <peff@xxxxxxxx> wrote:
>> > The point of "--only-trailers" is to give a caller an output
>> > that's easy for them to parse. Getting rid of the
>> > non-trailer material helps, but we still may see more
>> > complicated syntax like whitespace continuation. Let's add
>> > an option to normalize the output into one "key: value" line
>> > per trailer.
>> >
>> > As a bonus, this could be used even without --only-trailers
>> > to clean up unusual formatting in the incoming data.
>> This is useful for the parsing part, but for the writing part we'd
>> rather want to have the opposite thing, such as
>> '--line-break=rfc822'. But this doesn't have to be part of this
>> series. With this in mind, I do not quite understand the latter
>> use case how you would use normalized trailers without
>> --only-trailers?
> If you prefer the normalized form (and the input was line-broken in a
> way that you don't like), then this would convert to your preferred
> form. I agree that you could potentially want the opposite (folding long
> lines). Perhaps something like --wrap=72.

Related to this, I wonder if people might want to "normalize" in
different ways later. If that happens, we might regret having called
this option "--normalize" instead of "--one-per-line" for example.