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authorLudovic Courtès <ludo@gnu.org>2015-11-02 17:01:32 +0100
committerLudovic Courtès <ludo@gnu.org>2015-11-02 22:25:11 +0100
commit3a391e68dafe81560d3e4936a1ec5ac3b06d43bb (patch)
tree1e5745494a5120faed67ad137e13a8ffc64cae54 /gnu
parent5adbe65feceeb6d2a08abe644f4a66f598985182 (diff)
downloadguix-3a391e68dafe81560d3e4936a1ec5ac3b06d43bb.tar
guix-3a391e68dafe81560d3e4936a1ec5ac3b06d43bb.tar.gz
services: Clarify extend/compose of BOOT-SERVICE-TYPE.
* gnu/services.scm (compute-boot-script): Add first placeholder parameter. (boot-service-type): Change 'compose' to APPEND, and 'extend' to COMPUTE-BOOT-SCRIPT.
Diffstat (limited to 'gnu')
-rw-r--r--gnu/services.scm10
1 files changed, 5 insertions, 5 deletions
diff --git a/gnu/services.scm b/gnu/services.scm
index c8a2a2604f..ecf3532e52 100644
--- a/gnu/services.scm
+++ b/gnu/services.scm
@@ -182,7 +182,7 @@ This is a shorthand for (map (lambda (svc) ...) %base-services)."
;;; Core services.
;;;
-(define (compute-boot-script mexps)
+(define (compute-boot-script _ mexps)
(mlet %store-monad ((gexps (sequence %store-monad mexps)))
(gexp->file "boot"
#~(begin
@@ -203,16 +203,14 @@ This is a shorthand for (map (lambda (svc) ...) %base-services)."
;; Activate the system and spawn dmd.
#$@gexps))))
-(define (second-argument a b) b)
-
(define boot-service-type
;; The service of this type is extended by being passed gexps as monadic
;; values. It aggregates them in a single script, as a monadic value, which
;; becomes its 'parameters'. It is the only service that extends nothing.
(service-type (name 'boot)
(extensions '())
- (compose compute-boot-script)
- (extend second-argument)))
+ (compose append)
+ (extend compute-boot-script)))
(define %boot-service
;; This is the ultimate service, the root of the service DAG.
@@ -296,6 +294,8 @@ ACTIVATION-SCRIPT-TYPE."
(mlet %store-monad ((script (activation-script gexps)))
(return #~(primitive-load #$script))))
+(define (second-argument a b) b)
+
(define activation-service-type
(service-type (name 'activate)
(extensions