RE: Reply all - issue

Subject: RE: Reply all - issue

Date: Sat, 02 Feb 2013 16:52:37 -0400

To: Robert Mast

Cc: notmuch@notmuchmail.org

From: David Bremner


Robert Mast <beheerder@tekenbeetziekten.nl> writes:

>
> Anyone interested in me patching Notmuch, or shall I keep the changes
> to myself?
>

Hi Robert;

If you have patches, and you want feedback on them, then you are of
course welcome to send them to the list.  Previous experience suggests
us that it is often faster in the long run (in terms of actually getting
code into notmuch) to take time to work out the design issues before
starting coding. Some suggestions/comments:

1) See http://notmuchmail.org/contributing/ for some general hints on
   contributing code to notmuch.
             
2) Make sure whatever threading heuristic you use is deterministic, and
   robust in the face of messages arriving in different orders, and
   munging of headers by mailing lists (subjects in particular get
   munged fairly often).  

3) In particular, it seems important that "notmuch dump" followed by
   "notmuch restore" (possibly followed by notmuch new?) yields unchanged
   or equivalent thread structure

4) Since threading heuristics are a matter of taste (i.e. not everyone
   is convinced that the way Gmail does it is the way notmuch should),
   you'll need to make this configurable. One constraint is that the
   library itself (under ./lib) is should not read configuration files
   (or environment variables, although it violates this for debugging).
   This just means you will have to change the API to pass configuration
   information in to certain routines.

5) I'd say it's more important that you can shut off the heuristic
   completely than have special handling for git (or other version
   control system) patch series.  If you do decide to add some special
   handling for patch series, I'd suggest making it as generic as
   possible, perhaps a configurable list of (header, regex) values that
   disable the thread splitting heuristics.

6) Decide how, if at all your design will support manually joining
   threads together.  I think an acceptable answer would probably be
   "disable all thread splitting heuristics and rebuild the
   database". I'm not sure if it's feasible to do anything nicer than
   that.

d




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