From 22b9734b67b8f5946e09ed28843a9af26f345945 Mon Sep 17 00:00:00 2001
From: Ludovic Courtès <ludo@gnu.org>
Date: Tue, 11 Oct 2022 13:56:02 +0200
Subject: Revert "guix system: Remove unused 'read-operating-system'
 procedure."

This reverts commit d11a432adffe9308eafec6b77cddd3145029109e.

The 'read-operating-system' is used in Emacs-Guix.
---
 guix/scripts/system.scm | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'guix')

diff --git a/guix/scripts/system.scm b/guix/scripts/system.scm
index 4bcf789703..560f56408c 100644
--- a/guix/scripts/system.scm
+++ b/guix/scripts/system.scm
@@ -92,6 +92,7 @@
   #:use-module (ice-9 match)
   #:use-module (rnrs bytevectors)
   #:export (guix-system
+            read-operating-system
 
             service-node-type
             shepherd-service-node-type))
@@ -107,6 +108,11 @@
                       (gnu services)
                       (gnu system shadow))))
 
+;; Note: The procedure below is used in external projects such as Emacs-Guix.
+(define (read-operating-system file)
+  "Read the operating-system declaration from FILE and return it."
+  (load* file %user-module))
+
 
 ;;;
 ;;; Installation.
-- 
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