From: Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
To: Tomi Ollila <tomi.ollila@iki.fi>, Austin Clements <amdragon@MIT.EDU>,
	Jani Nikula <jani@nikula.org>
Subject: Re: [PATCH] emacs: support "notmuch new" as a notmuch-poll-script
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	<20111212003103.GI2760@mit.edu> <yf6wra2m6y7.fsf@taco2.nixu.fi>
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Date: Mon, 12 Dec 2011 14:21:53 +0400
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On Mon, 12 Dec 2011 12:15:44 +0200, Tomi Ollila <tomi.ollila@iki.fi> wrote:
> On Sun, 11 Dec 2011 19:31:03 -0500, Austin Clements <amdragon@MIT.EDU> wrote:
> > 
> > So here's another idea, prefaced with a rant.
> > 
> > It's bothered me for a long time that notmuch-emacs didn't just know
> > by default how to check for new mail.  What MUA doesn't know how to
> > check for new mail?  Why does a new user of notmuch have to tell it
> > how to check for new mail?  Of course, this *had* to be configured
> > before because everyone had their own way of checking for new mail.
> > Hooks eliminate this unnecessary flexibility and make "notmuch new"
> > the one true way to check for new mail---as it ought to be---and in
> > turn make the notmuch-poll-script variable obsolete.
> > 
> > So, what about changing the default "" setting of notmuch-poll-script
> > from meaning "do nothing and be useless" to meaning "run notmuch new
> > (using notmuch-command)"?  It will then automatically do the right
> > thing for new users, while still being backward-compatible and
> > allowing an escape hatch for bizarre situations.
> 
> +1
> 
> So, it could work like this:
> 
> (defun notmuch-poll ()
>   "FIX DOCSTRING"
>   (interactive)
>   (if (stringp notmuch notmuch-poll-script)
>       (if (string= notmuch-poll-script "")
>         (call-process notmuch-command nil nil nil "new")
>         (call-process notmuch-poll-script))))
> 
> I.e. in case notmuch-poll-script == nil, (or not string)
> do nothing. In case notmuch-poll-script == "" execute notmuch new
> and if notmuch-poll-script is string with content execute that.
> 

I think the following scheme would be slightly better and more
consistent:

* nil - run "notmuch new", the new default
* "" - do nothing
* "script" - run script

Regards,
  Dmitry

> users who want other functionality can reimplement notmuch-poll function
> after notmuch has been loaded (and manage things themselves when internal
> implementation changes ;().
> 
> 
> Tomi
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