diff options
Diffstat (limited to 'gnu/services.scm')
| -rw-r--r-- | gnu/services.scm | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/gnu/services.scm b/gnu/services.scm index 5479bfae19..693a7f8001 100644 --- a/gnu/services.scm +++ b/gnu/services.scm @@ -25,6 +25,7 @@ #:use-module (guix profiles) #:use-module (guix sets) #:use-module (guix ui) + #:use-module (guix modules) #:use-module (gnu packages base) #:use-module (gnu packages bash) #:use-module (srfi srfi-1) @@ -50,6 +51,7 @@ service-kind service-parameters + simple-service modify-services service-back-edges fold-services @@ -141,6 +143,13 @@ (type service-kind) (parameters service-parameters)) +(define (simple-service name target value) + "Return a service that extends TARGET with VALUE. This works by creating a +singleton service type NAME, of which the returned service is an instance." + (let* ((extension (service-extension target identity)) + (type (service-type (name name) + (extensions (list extension))))) + (service type value))) (define-syntax %modify-service (syntax-rules (=>) @@ -312,16 +321,6 @@ ACTIVATION-SCRIPT-TYPE." (define (activation-script gexps) "Return the system's activation script, which evaluates GEXPS." - (define %modules - '((gnu build activation) - (gnu build linux-boot) - (gnu build linux-modules) - (gnu build file-systems) - (guix build utils) - (guix build syscalls) - (guix build bournish) - (guix elf))) - (define (service-activations) ;; Return the activation scripts for SERVICES. (mapm %store-monad @@ -330,7 +329,8 @@ ACTIVATION-SCRIPT-TYPE." (mlet* %store-monad ((actions (service-activations))) (gexp->file "activate" - (with-imported-modules %modules + (with-imported-modules (source-module-closure + '((gnu build activation))) #~(begin (use-modules (gnu build activation)) |