(address . guix-patches@gnu.org)
87y2aakrly.fsf@trop.in
* gnu/home-services.scm (parent-directory, %guix-home-root-directory,
%service-type-path, all-home-service-modules, fold-home-service-types): New
variables.
---
gnu/home-services.scm | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
Toggle diff (36 lines)
diff --git a/gnu/home-services.scm b/gnu/home-services.scm
index ffcee22bb8..78e5603edf 100644
--- a/gnu/home-services.scm
+++ b/gnu/home-services.scm
@@ -444,3 +444,29 @@ environment, and its configuration file, when available.")))
(define sexp->home-provenance sexp->system-provenance)
(define home-provenance system-provenance)
+
+
+;;;
+;;; Searching
+;;;
+
+(define (parent-directory directory)
+ "Get the parent directory of DIRECTORY"
+ (string-join (drop-right (string-split directory #\/) 1) "/"))
+
+(define %guix-home-root-directory
+ ;; Absolute file name of the module hierarchy.
+ (parent-directory (dirname (search-path %load-path "gnu/home-services.scm"))))
+
+(define %service-type-path
+ ;; Search path for service types.
+ (make-parameter `((,%guix-home-root-directory . "gnu/home-services"))))
+
+(define (all-home-service-modules)
+ "Return the default set of home-service modules."
+ (cons (resolve-interface '(gnu home-services))
+ (all-modules (%service-type-path)
+ #:warn warn-about-load-error)))
+
+(define* (fold-home-service-types proc seed)
+ (fold-service-types proc seed (all-home-service-modules)))
--
2.32.0