[bug#68315] [PATCH 41/48] build-system: ruby: Redefine ruby-build.

[Nicolas Graves]

* guix/build-system/ruby.scm
(ruby-build): Monadic procedure returns a gexp instead of a derivation.

Change-Id: I8de0e2b382271e9ea09d2be9b6169ccfc792230b
---
 guix/build-system/ruby.scm | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/guix/build-system/ruby.scm b/guix/build-system/ruby.scm
index 77f1312c13..99c2f62101 100644
--- a/guix/build-system/ruby.scm
+++ b/guix/build-system/ruby.scm
@@ -88,7 +88,7 @@ (define* (ruby-build name inputs
                      (modules '((guix build ruby-build-system)
                                 (guix build utils))))
   "Build SOURCE using RUBY and INPUTS."
-  (define build
+  (define builder
     (with-imported-modules imported-modules
       #~(begin
           (use-modules #$@(sexp->gexp modules))
@@ -109,13 +109,8 @@ (define build
                                                     search-paths))
                             #:inputs %build-inputs)))))
 
-  (mlet %store-monad ((guile (package->derivation (or guile (default-guile))
-                                                  system #:graft? #f)))
-    (gexp->derivation name build
-                      #:system system
-                      #:target #f
-                      #:graft? #f
-                      #:guile-for-build guile)))
+  (mbegin %store-monad
+    (return builder)))
 
 (define ruby-build-system
   (build-system
-- 
2.41.0