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| author | Ludovic Courtès <ludo@gnu.org> | 2018-12-16 23:52:06 +0100 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2018-12-17 23:33:42 +0100 |
| commit | bafcf1f32f3dfaf494d7640a3882585c143378cd (patch) | |
| tree | a2250a09e9ccea080076b44f6781e80cd1a233c7 | |
| parent | cce654fabdf09cac7d18f9bad842ba8445aa022c (diff) | |
services: udev: Add 'rules' action.
* gnu/services/base.scm (udev-shepherd-service): Add 'actions' field.
* doc/guix.texi (Base Services): Move "@end deffn" after 'udev-service'
definition. Mention 'herd rules udev'.
| -rw-r--r-- | doc/guix.texi | 5 | ||||
| -rw-r--r-- | gnu/services/base.scm | 10 |
2 files changed, 13 insertions, 2 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index 338ff45c39..1c26dc5a89 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -11308,6 +11308,7 @@ Run @var{udev}, which populates the @file{/dev} directory dynamically. udev rules can be provided as a list of files through the @var{rules} variable. The procedures @var{udev-rule} and @var{file->udev-rule} from @code{(gnu services base)} simplify the creation of such rule files. +@end deffn @deffn {Scheme Procedure} udev-rule [@var{file-name} @var{contents}] Return a udev-rule file named @var{file-name} containing the rules @@ -11325,6 +11326,9 @@ upon detecting a USB device with a given product identifier. "ATTR@{product@}==\"Example\", " "RUN+=\"/path/to/script\""))) @end example + +The @command{herd rules udev} command, as root, returns the name of the +directory containing all the active udev rules. @end deffn Here we show how the default @var{udev-service} can be extended with it. @@ -11406,7 +11410,6 @@ well as in the @var{groups} field of the @var{operating-system} record. (rules (cons* android-udev-rules (udev-configuration-rules config)))))))) @end example -@end deffn @defvr {Scheme Variable} urandom-seed-service-type Save some entropy in @var{%random-seed-file} to seed @file{/dev/urandom} diff --git a/gnu/services/base.scm b/gnu/services/base.scm index b10f5cbaf1..67bdaef18c 100644 --- a/gnu/services/base.scm +++ b/gnu/services/base.scm @@ -1967,7 +1967,15 @@ item of @var{packages}." (respawn? #f) ;; We need additional modules. (modules `((gnu build linux-boot) - ,@%default-modules)))))))) + ,@%default-modules)) + + (actions (list (shepherd-action + (name 'rules) + (documentation "Display the directory containing +the udev rules in use.") + (procedure #~(lambda (_) + (display #$rules) + (newline)))))))))))) (define udev-service-type (service-type (name 'udev) |