Tomi Ollila <tomi.ollila@iki.fi> writes:

> On Sun, Apr 22 2018, Gregor Zattler wrote:
>
>> Hi Tomi, notmuch-emacs developers,
>> * Tomi Ollila <tomi.ollila@iki.fi> [2018-04-21; 20:38]:
>> [...]
>>> That doesn't mean there could not be a bug there, just
>>> that I cannot reproduce it...
>>
>> Thanks for your investigation.
>>
>> I now prepared a minimal example, please extract the archive in
>> /tmp.  It contains a quite minmalistic .notmuch-config, a Maildir
>> with one email and a test script which runs notmuch new, notmuch
>> tag, starts emacs with no configuration and hopefully shows
>> notmuch-hello.[1] Please klick on "show", you'll see only one
>> tag: "spam", klick on "spam" you'll see this one email shown with
>> its four (!) tags: "inbox", "new" and "certaintag" are not shown
>> in "All tags".
>>
>> At least this is what I see with emacs25 and emacs27 and current
>> notmuch.
>>
>> Do you see the same?
>
>
> Yes, I can reproduce -- only "spam" is seen
>
> To look what happened I ran (in notmuch source dir):
>
> $ NOTMUCH_CONFIG=/tmp/.notmuch-config strace -f -e trace=execve,read,write -o ttt ./devel/try-emacs-mua -Q
>
> based on that output:
>
> $ NOTMUCH_CONFIG=/tmp/.notmuch-config notmuch search --output=tags '*'
> certaintag
> inbox
> new
> spam
>
> $ NOTMUCH_CONFIG=/tmp/.notmuch-config notmuch count --batch
> tag:certaintag
> 0
> tag:new
> 0
> tag:spam
> 1
> tag:inbox
> 0
> tag:foobar
> 0
>
> NOTMUCH_CONFIG=/tmp/.notmuch-config notmuch count --batch --exclude=false
> tag:certaintag
> 1
> tag:new
> 1
> tag:spam
> 1
> tag:inbox
> 1
>
> 1
> tag:foobar
> 0
>
> So, currently, whenever count is zero, the tag is now shown in all tags
> listing (but we know we have the tag since queried earlier). But, at least
> in this case we should get real count and have that '--exclude=false' there,
> and then the count is always positive number.
>
> At least some SMOP is required to get this fixed.
>
> Tomi

This bug should be fixed in commit

     cc180507b03d9826c92d48ee91dbd9bb5f15cd56

d
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