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.
---
 tests/transformations.scm | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

(limited to 'tests')

diff --git a/tests/transformations.scm b/tests/transformations.scm
index 8db85b4305..dbfe523518 100644
--- a/tests/transformations.scm
+++ b/tests/transformations.scm
@@ -1,5 +1,5 @@
 ;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2016, 2017, 2019, 2020, 2021 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2016-2017, 2019-2022 Ludovic Courtès <ludo@gnu.org>
 ;;; Copyright © 2021 Marius Bakke <marius@gnu.org>
 ;;;
 ;;; This file is part of GNU Guix.
@@ -451,6 +451,18 @@
                              (string=? (local-file-file input) patch)))
                       inputs))))))))
 
+(test-equal "options->transformation, property order"
+  ;; See <https://issues.guix.gnu.org/54942>.
+  '((with-debug-info . "does-not-exist")
+    (with-commit . "does-not-exist=aaaaaaa")
+    (without-tests . "does-not-exist"))
+  (let* ((t (options->transformation
+             '((with-debug-info . "does-not-exist")
+               (with-commit . "does-not-exist=aaaaaaa")
+               (without-tests . "does-not-exist")))))
+    (let ((new (t coreutils)))
+      (assq-ref (package-properties new) 'transformations))))
+
 (test-equal "options->transformation, with-latest"
   "42.0"
   (mock ((guix upstream) %updaters
-- 
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