From b1fc98d6b063a117fe2bcc19a60c8b9a48301593 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Thu, 13 Jan 2022 17:31:53 +0100
Subject: [PATCH] inferior: Fix wrong-type-arg error when authentication is
 disabled.

Fixes <https://issues.guix.gnu.org/53230>.
Reported by Andrew Tropin <andrew@trop.in>.

Fixes a regression introduced in
9f371f23ebfa20f70b3bfd55dc459b683f21ba91.

* guix/inferior.scm (cached-channel-instance): Add call to
'derivation->output-path' when AUTHENTICATE? is false.
---
 guix/inferior.scm | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/guix/inferior.scm b/guix/inferior.scm
index febac29766..783be64fa4 100644
--- a/guix/inferior.scm
+++ b/guix/inferior.scm
@@ -1,5 +1,5 @@
 ;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2018, 2019, 2020, 2021 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2018-2022 Ludovic Courtès <ludo@gnu.org>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -815,7 +815,7 @@ determines whether CHANNELS are authenticated."
                   (add-indirect-root* cached)
                   (return cached))
                 (mbegin %store-monad
-                  (add-temp-root* profile)
+                  (add-temp-root* (derivation->output-path profile))
                   (return profile))))))))
 
 (define* (inferior-for-channels channels