Re: Dovecot + pigeonhole packaging

[Alexey Abramov <levenson@mmer.org>]

Gábor Boskovits <boskovits@gmail.com> writes:

> Hello Alexey,
>
> Alexey Abramov <levenson@mmer.org> ezt írta (időpont: 2019. aug. 28., Sze,
> 22:30):
>
>> Hi guix,
>>
>>
>> My system requires me to have dovecot and pigeonhole. So I packaged it. I
>> created two none public packages and merged them into one big package.
>>
>
> Is this on Guix System?
> If yes, then guix system has a dovecot-service:
> https://guix.gnu.org/manual/en/html_node/Mail-Services.html
> maybe you could have a look at that, and see if it helps.

Yes, I am migrating my mail server and a working laptop to Guix.

>> But wouldn't it be better to do it the same way as debian does?Every
>> component lives in a separate package, and if I need some library I don't
>> have to install the giant package.
>>
>
> In guix packages can be split to multiple outputs. You can also define
> separate packages,
> but these are less common. Would multiple outputs make sense in this case?
> https://guix.gnu.org/manual/en/html_node/Packages-with-Multiple-Outputs.html
>>
>>
>> The problem I encountered is that dovecot has mail_plugin_dir property
>> which does not accept multiple folders. It means I have to put and install
>> new plugins in the very same directory with existing plugins. rpath is not
>> an option here. Even if a library knows where to load its dependencies,
>> dovecot doesn't aware of it.
>>
>>
>> Is there a way to have shared store folder? Debian overrides  rpath to all
>> dovecot extensions and set it to /usr/dovecot/lib.
>>
>
> If dovecot follows symlinks on plugin resoltuion, then the service
> configuration
> could be extended by a plugins keyword, like it was for postgresql
> extensions,
> that sets up a symlink is a well known location to the store item of the
> package
> providing the plugin.

Thanks for the symlink tip! I am using guix on my laptop as a foreign
distr and was struggle with the path to the lib. I didn't know how to
get that folder. Thanks!

(string-append %current-profile "/lib/dovecot") fixed everything.

--
Alexey