bug#33005: 27.0.50; Data loss with Gnus registry

[Eric Abrahamsen]

Eric Abrahamsen <eric@ericabrahamsen.net> writes:

> Michael Heerdegen <michael_heerdegen@web.de> writes:
>
>> Michael Heerdegen <michael_heerdegen@web.de> writes:
>>
>>> Ok, can we close this report - seems we are done?
>>
>> Sorry for the bad news - but my registry marks are disappearing again
>> :-(  Just after restarting Gnus they are gone.
>>
>> I wanted to try with gnus-mock but it errors:
>>
>> Debugger entered--Lisp error: (buffer-read-only #<buffer 
>> .newsrc.eld|emacs-gnus-mock-ENKWay>)
>>   replace-match("/tmp/emacs-gnus-mock-ENKWay" t)
>>   gnus-mock-start()
>>  [...]
>>
>> I tried to load the source of gnus-mock to get a more meaningful
>> backtrace but that also errors:
>>
>> Debugger entered--Lisp error: (wrong-type-argument stringp nil)
>>   file-name-directory(nil)
>>   (expand-file-name "data" (file-name-directory load-file-name))
>>   (file-name-as-directory (expand-file-name "data" (file-name-directory 
>> load-file-name)))
>>   (defconst gnus-mock-data-dir (file-name-as-directory (expand-file-name 
>> "data" (file-name-directory load-file-name))) "Source directory for Gnus 
>> mock data.")
>>   eval-region(1 10407)  ; Reading at buffer position 5125
>>
>> Hmm...
>
> Ah, this was a question I had when I was first writing gnus-mock --
> load-file-name was reliably present for all my tests, but they were only
> on Linux. Can you tell me what system you're running? Presumably
> there are better alternatives to load-file-name under different
> circumstances.

Hey do let me know what system you're running! If I do:

1. emacs -Q
2. M-x load-file -> ~/.emacs.d/elpa/gnus-mock-0.4.2/gnus-mock.el

Then gnus-mock-data-dir is set correctly. I don't know what else might
be going wrong!

Eric