bug#63538: [PATCH] gnu: services: Error in MODIFY-SERVICES when services don't exist

["Ludovic Courtès" <ludo@gnu.org>]

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Hi Brian,

Applied with the minor change below.  Thanks for working on this!

Ludo’.


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diff --git a/gnu/services.scm b/gnu/services.scm
index a58cffe536..a990d297c9 100644
--- a/gnu/services.scm
+++ b/gnu/services.scm
@@ -6,6 +6,7 @@
 ;;; Copyright © 2021 raid5atemyhomework <raid5atemyhomework@protonmail.com>
 ;;; Copyright © 2020 Christine Lemmer-Webber <cwebber@dustycloud.org>
 ;;; Copyright © 2020, 2021 Brice Waegeneire <brice@waegenei.re>
+;;; Copyright © 2023 Brian Cully <bjc@spork.org>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -307,10 +308,10 @@ (define (%delete-service kind services)
            (raise (formatted-message
                    (G_ "modify-services: service '~a' not found in service list")
                    (service-type-name kind)))))
-      ((svc . rest)
-       (if (eq? (service-kind svc) kind)
-           (loop svc return rest)
-           (loop found (cons svc return) rest))))))
+      ((service . rest)
+       (if (eq? (service-kind service) kind)
+           (loop service return rest)
+           (loop found (cons service return) rest))))))
 
 (define-syntax %apply-clauses
   (syntax-rules (=> delete)