revision tracking patches round 4

[Tomi Ollila]

On Fri, Aug 14 2015, David Bremner <david at tethera.net> wrote:

> This obsoletes
>
>      id:1439112285-6681-1-git-send-email-david at tethera.net
>
> The main differences since that series are in the command line syntax
> for notmuch-count.
>
> We also now consider passing --uuid to notmuch-compact an error, since
> the user might reasonably expect that to do something sensible, but we
> don't because of the existing API.

Series LGTM. Tests pass.

Looked a bit to xapian documentation... it seems in case of compacting
one should do the following:

1) see that current database uuid is the one expected (which is stored
somewhere) 
2) compact database
3) read new uuid and store it to "somewhere"

Tomi