Re: [PATCH] format-patch: add arbitrary email headers

> Michael Hendricks <michael@ndrix.org> writes:
> 
> > format-patch supports the format.headers configuration for adding
> > arbitrary email headers to the patches it outputs.  This patch adds
> > support for a --header argument which makes the same feature available
> > from the command line.  This is useful when the content of custom
> > email headers must change from branch to branch.
> 
> How should this interact with the configuration variable?
> 
> Typically we allow command line options to override the matching config
> variable, so that people can say "here are the settings I ordinarily use"
> in the config file, and say "but I do not want the usual values to take
> effect for this particular invocation; please use these _instead_" with
> command line options.
> 
> Note that the above question is "how should this interact"; not "how does
> this interact".  I can see you chose to make this cumulative in your patch
> and the documentaiton.
> 
> I am asking if that is what the users want, overriding is preferred, or
> perhaps another option to clear extra headers (say, "--no-extra-headers")
> is necessary to allow both.