Subject: [PATCH 12/43] build-system: copy: Redefine copy-build.

From: Nicolas Graves <[email-masked]>
Date: Tue, 12 Aug 2025 11:04:20 +0200

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

Change-Id: I96dfa099501796df007143db63a49e2adedbee92
---
 guix/build-system/copy.scm | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/guix/build-system/copy.scm b/guix/build-system/copy.scm
index 1f2937e0f18..ec0f3d95423 100644
--- a/guix/build-system/copy.scm
+++ b/guix/build-system/copy.scm
@@ -3,6 +3,7 @@
 ;;; Copyright © 2020 Pierre Neidhardt <[email-masked]>
 ;;; Copyright © 2021, 2022 Ludovic Courtès <[email-masked]>
 ;;; Copyright © 2023 Jonathan Brielmaier <[email-masked]>
+;;; Copyright © 2024 Nicolas Graves <[email-masked]>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -126,14 +127,8 @@ (define builder
                             #:strip-flags #$strip-flags
                             #:strip-directories #$strip-directories)))))
 
-  (mlet %store-monad ((guile (package->derivation (or guile (default-guile))
-                                                  system #:graft? #f)))
-    (gexp->derivation name builder
-                      #:system system
-                      #:target #f
-                      #:substitutable? substitutable?
-                      #:graft? #f
-                      #:guile-for-build guile)))
+  (mbegin %store-monad
+    (return builder)))
 
 (define copy-build-system
   (build-system
-- 
2.50.1