[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH 1/3] services: Add 'session-environment-service'.
From: |
宋文武 |
Subject: |
[PATCH 1/3] services: Add 'session-environment-service'. |
Date: |
Wed, 2 Dec 2015 21:38:29 +0800 |
* gnu/services/base.scm (session-environment-service): New procedure.
(session-environment-service-type): New variable.
(environment-variables->environment-file): New procedure.
---
gnu/services/base.scm | 33 +++++++++++++++++++++++++++++++++
1 file changed, 33 insertions(+)
diff --git a/gnu/services/base.scm b/gnu/services/base.scm
index c242c7d..d599c52 100644
--- a/gnu/services/base.scm
+++ b/gnu/services/base.scm
@@ -2,6 +2,7 @@
;;; Copyright © 2013, 2014, 2015 Ludovic Courtès <address@hidden>
;;; Copyright © 2015 Alex Kost <address@hidden>
;;; Copyright © 2015 Mark H Weaver <address@hidden>
+;;; Copyright © 2015 Sou Bunnbu <address@hidden>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -48,6 +49,8 @@
device-mapping-service
swap-service
user-processes-service
+ session-environment-service
+ session-environment-service-type
host-name-service
console-keymap-service
console-font-service
@@ -368,6 +371,36 @@ stopped before 'kill' is called."
;;;
+;;; System-wide environment variables.
+;;;
+
+(define (environment-variables->environment-file vars)
+ "Return a file for pam_env(8) that contains environment variables VARS."
+ (apply mixed-text-file "environment"
+ (fold-right (lambda (pair result)
+ (cons* (car pair) "=" (cdr pair) "\n" result))
+ '() vars)))
+
+(define session-environment-service-type
+ (service-type
+ (name 'session-environment)
+ (extensions
+ (list (service-extension
+ etc-service-type
+ (lambda (vars)
+ (list `("environment"
+ ,(environment-variables->environment-file vars)))))))))
+
+(define (session-environment-service vars)
+ "Return a service that builds the @file{/etc/environment}, which can be read
+by PAM-aware applications to set environment variables for sessions.
+
+VARS should be an association list in which both the keys and the values are
+strings or string-valued gexps."
+ (service session-environment-service-type vars))
+
+
+;;;
;;; Console & co.
;;;
--
2.5.0
- [PATCH 1/3] services: Add 'session-environment-service'.,
宋文武 <=