David Bremner <david@tethera.net> writes:

> Unfortunately that list seems to grow rather than shrink over time...

Hopefully it won't grow any larger due to this issue :-).

I've implemented this in the patch attached to this email. The new
option is notmuch-search-exclude, it defaults to true. There are new
commands to toggle the value of this variable for the current search and
these are bound to "i" in the respective mode maps.

I've also changed whether or not notmuch-search-oldest-first and
notmuch-search-exclude are persisted across some commands. For example
switching from a regular search buffer to a tree buffer with
notmuch-tree-from-search-current-query will make sure the value of both
these variables is the same in both buffers. Similarly filtering an
existing search such as notmuch-search-filter will also persist them,
but starting a new search with notmuch-search will reset to the global
default value of either of them.

There were quite a lot of functions that I've modified or altered in
some way with this PR. I've tested the ones I'm familliar with and
everythings working the way I expect. If you have any issues please let
me know.