From 0f024554e63a49e20c2a7a67e928073c266bf5c5 Mon Sep 17 00:00:00 2001
From: Ludovic Courtès <ludo@gnu.org>
Date: Thu, 5 May 2022 23:42:36 +0200
Subject: transformations: Preserve transformation order in package property.

Fixes <https://issues.guix.gnu.org/54942>.
Reported by SeerLite <seerlite@nixnet.email>.

* guix/transformations.scm (options->transformation)
[package-with-transformation-properties]: Add call to 'reverse'.
* tests/transformations.scm ("options->transformation, property order"):
New test.
---
 guix/transformations.scm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'guix/transformations.scm')

diff --git a/guix/transformations.scm b/guix/transformations.scm
index a0045e5b27..411c4014cb 100644
--- a/guix/transformations.scm
+++ b/guix/transformations.scm
@@ -959,7 +959,7 @@ to that transformation."
                      . ,(map (match-lambda
                                ((key value _)
                                 (cons key value)))
-                             applicable))
+                             (reverse applicable))) ;preserve order
                     ,@(package-properties p)))))
 
   (lambda (obj)
-- 
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