[PATCH] Automatically exclude tags in notmuch-show

Mark Walters markwalters1009 at gmail.com
Thu Jan 19 16:10:37 PST 2012


Ok Having said this is trivial I have found a problem. What should
notmuch do if you do something like

notmuch show id:<some-id>
and that message is marked with a deleted tag? To be consistent with the
other cases (where a deleted message is in a matched thread) we might
want to return the message with the not-matched flag set (eg in
JSON). But my patch doesn't, as it never even sees the thread since it
doesn't match.

Looking at notmuch-show.c I think we should not apply the exclude tags
to do_show_single, but usually should apply it to do_show. One solution
which is simple and is at least close to right would be to get do_show
to return the number of threads found. If this is zero then retry the
query without the excludes (possible setting the match_flag to zero on
each message since we know it does not match)

This is not a completely correct solution as if you ask notmuch-show to
show more than one thread it might  threads which only contain deleted
messages.

I can't see other good possibilities without slowing down the normal
path a lot (eg find all threads that match the original query and then
apply the argument above).

Any thoughts?

Incidentally, is there something strange at the end of notmuch-show.c: I
can't see how we could ever reach the last half dozen lines.

Best wishes

Mark



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