From fb5a3d0e976fe7d5f6dc8ebdc6e3d118c63bb23b Mon Sep 17 00:00:00 2001
From: Hilton Chain <hako@ultrarare.space>
Date: Fri, 21 Oct 2022 12:50:49 +0800
Subject: nongnu: nvda: Avoid hardcoding inputs.

* nongnu/packages/nvidia.scm (nvda)[arguments]: Avoid hardcoding inputs and
locate them via relative paths instead.
[description]: Adjust style.

Signed-off-by: Jonathan Brielmaier <jonathan.brielmaier@web.de>
---
 nongnu/packages/nvidia.scm | 39 +++++++++++++++++++++------------------
 1 file changed, 21 insertions(+), 18 deletions(-)

diff --git a/nongnu/packages/nvidia.scm b/nongnu/packages/nvidia.scm
index 734284a..f7b41fd 100644
--- a/nongnu/packages/nvidia.scm
+++ b/nongnu/packages/nvidia.scm
@@ -630,24 +630,27 @@ configuration, creating application profiles, gpu monitoring and more.")
     (build-system trivial-build-system)
     (arguments
      (list #:modules '((guix build union))
-       #:builder #~(begin
-                   (use-modules (guix build union)
-                                (srfi srfi-1)
-                                (ice-9 regex))
-                      (union-build (assoc-ref %outputs "out")
-                                   (list #$mesa #$nvidia-libs)
-                                   #:resolve-collision (lambda (files) (let ((file
-                                                                         (if (string-match "nvidia-libs" (first files))
-                                                                             (first files)
-                                                                             (last files))))
-                                                                         (format #t "chosen ~a ~%" file)
-                                                                         file))))))
-    (description "These are the libraries of the evil Nvidia driver,
-packaged in such a way that you can use the transformation option
-@code{--with-graft=mesa=nvda} to use the nvidia driver with a package that requires mesa.")
-    (inputs
-     (list mesa
-           nvidia-libs))
+           #:builder
+           #~(begin
+               (use-modules (guix build union)
+                            (srfi srfi-1)
+                            (ice-9 regex))
+               (union-build #$output
+                            (list #$(this-package-input "mesa")
+                                  #$(this-package-input "nvidia-libs"))
+                            #:resolve-collision
+                            (lambda (files)
+                              (let ((file (if (string-match "nvidia-libs"
+                                                            (first files))
+                                              (first files)
+                                              (last files))))
+                                (format #t "chosen ~a ~%" file)
+                                file))))))
+    (description
+     "These are the libraries of the evil NVIDIA driver, packaged in such a
+way that you can use the transformation option @code{--with-graft=mesa=nvda}
+to use the NVIDIA driver with a package that requires mesa.")
+    (inputs (list mesa nvidia-libs))
     (outputs '("out"))))
 
 (define mesa/fake
-- 
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