[bug#28647] [PATCHv2] services: base: Add file->udev-rule function.

[Maxim Cournoyer]

Hi Ludovic, and sorry for the delayed reply!

address@hidden (Ludovic Courtès) writes:

> Hi Maxim,
>
> Maxim Cournoyer <address@hidden> skribis:
>
>> While experimenting with udev rules, I found a need to be able to pass
>> file-like objects containing udev rules to the udev-service. This patch
>> implements a `file->udev-rule' method that does just that.
>
> Looks useful!
>
>> From 050e96b3325f851f3118de0c881d25796d76049b Mon Sep 17 00:00:00 2001
>> From: Maxim Cournoyer <address@hidden>
>> Date: Wed, 27 Sep 2017 21:33:25 -0400
>> Subject: [PATCH] services: base: Add file->udev-rule function.
>>
>> This function allows passing a file-like object to the udev service.
>>
>> * gnu/services/base.scm (file->udev-rule): New function.
>> * doc/guix.texi (Base Services): Document it.
>
> [...]
>
>> address@hidden {Scheme Procedure} udev-service [#:udev udev]
>> address@hidden {Scheme Procedure} udev-service [#:udev @var{eudev} #:rules 
>> @code{'()}]
>>  Run @var{udev}, which populates the @file{/dev} directory dynamically.
>> +Packages can be included in the @var{rules} list in order to extend the
>> +udev rules with the definitions found under their
>> address@hidden/udev/rules.d} sub-directory.
>> +
>> +The functions @code{udev-rules} and @code{file->udev-rules} from
>> address@hidden(gnu services base)} can be used to create rule objects based 
>> on a
>> +string or a file-like object, respectively. Those rule objects can be
>> +passed to udev-service just like packages.
>
> Could you document the procedures with @deffn so that they have an entry
> in the index?
>
>   @deffn {Scheme Procedure} udev-rules @var{rules}
>   …
>   @end deffn
>
>   @deffn {Scheme Procedure} file->udev-rules @var{files}
>   Similar to @code{udev-rules}, but…
>   @end deffn
>

I'm hoping the attached patch addresses the requested additions. Thanks
for the review and comments.

Maxim

0001-services-base-Add-file-udev-rule-function.patch
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