Date: Wed, 1 Aug 2012 10:54:26 -0700
From: "Kevin J. McCarthy" <kevin@8t8.us>
To: Jani Nikula <jani@nikula.org>
Subject: Re: notmuch-mutt: support for duplicate message removal
Message-ID: <20120801175426.GA14470@zaogao.lan>
References: <1343808582-9519-1-git-send-email-zack@upsilon.cc>
	<87pq7aam8n.fsf@nikula.org>
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Cc: notmuch@notmuchmail.org, Stefano Zacchiroli <zack@upsilon.cc>
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Jani Nikula wrote:
> I'm guessing you get the duplicates because you have dupes in the mail
> store, and 'notmuch search --output=files' prints all the filenames
> associated with each matching message, rather than any other reason. The
> presented approach will only remove identical files, and will leave
> behind files that are basically the same message, but have differing
> headers, e.g. due to being received through different channels. Is this
> what you want?

This method was something we felt comfortable enabling by default.

Stefano and I discussed adding a (by default off) option to remove
duplicates by message-id, but wanted to get this patch merged first and
then think about it.

> Perhaps an option to 'notmuch search --output=files' to print only one
> filename (even if there are many) per message would be interesting.

This would be useful for the second approach.  If it's easy to do, that
would be great.

-Kevin