Re: ‘/ o’ in inbox summary says ‘No old news’, my ticks gone

["Göktuğ Kayaalp" <self@gkayaalp.com>]

On 2017-10-12 02:44 +03, Göktuğ Kayaalp <self@gkayaalp.com> wrote:
> On 2017-10-12 02:19 +03, Göktuğ Kayaalp <self@gkayaalp.com> wrote:
>> On 2017-10-11 07:56 +02, Eric Abrahamsen <eric@ericabrahamsen.net> wrote:
>>> Göktuğ Kayaalp <self@gkayaalp.com> writes:
>>>
>>>> Hi,
>>>>
>>>> i'm kind-of screwed ATM.  I just started Gnus (M-x gnus), and it fetched
>>>> my new mail online (via mail-sources), but then when I opened my inbox
>>>> (an nnml folder), my tick marked messages were not listed as such
>>>> anymore, and ‘/ o’ says ‘No old news’.  When I look at the mail folder,
>>>> the messages are still there, but I can't access them through the
>>>> summary buffer anymore.  I made a recursive copy of my mail folder.
>>>> What's going on?  Thanks in advance.
>>>
>>> If you're still in the running session, you might try a few "undo"s, and
>>> see if that gets you back into a good state.
>>
>> Unfortunately no.
>>
>>> Otherwise, look at the group parameters for your inbox ("G p"). What
>>> does is say for the "active" entry? That entry is Gnus' idea of how many
>>> messages are in the group -- if it's gotten messed up somehow, it might
>>> believe there are no messages in the group. What does it say?
>>
>> G p buffer shows nil.  I found that the ~/Mail/active file had this
>> line:
>>
>>   inbox 1 1 y
>>
>> and fixed it setting the first ‘1‘ to the number of posts in that group,
>> then I got my emails back in the summary buffer.  But it keeps
>> forgetting my ticks when I fetch new mail.  They are absent from the
>> relevant sexp in the ~/.newsrc.eld file.
>
> Additionally, I see that the ‘.overview’ file for ~/Mail/inbox is
> truncated, and only includes entries for the last dozen-or-so messages.
> I've tried to regenerate this file with entries for all the messages
> without success.  When I do ‘/ o’ now, it shows the items in that file
> first, whatever number I enter to the prompt.  The second time I hit ‘/
> o’ and enter some number, that many messages are shown.

It seems that I've solved this with help from an emacs stack exchange
answer [1], using the command ‘nnml-generate-nov-databases-directory’.

[1] https://emacs.stackexchange.com/a/19359

-- 
İ. Göktuğ Kayaalp	<http://www.gkayaalp.com/>
			024C 30DD 597D 142B 49AC
			40EB 465C D949 B101 2427

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