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bug#48561: "Daemon not running" exception when avahi-daemon is not runni
From: |
Mathieu Othacehe |
Subject: |
bug#48561: "Daemon not running" exception when avahi-daemon is not running |
Date: |
Fri, 21 May 2021 15:23:08 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) |
Hello Maxime,
> warning: avahi daemon is not running, cannot auto-discover substitute
> servers!
This should be fixed with the attached patch.
Thanks,
Mathieu
>From a50bbf99f65d26bbdb0d16112a49335bf913b822 Mon Sep 17 00:00:00 2001
From: Mathieu Othacehe <othacehe@gnu.org>
Date: Fri, 21 May 2021 15:21:15 +0200
Subject: [PATCH] scripts: discover: Warn when the daemon is unreachable.
* guix/scripts/discover (guix-discover): Print a warning message when the
daemon is unreachable.
---
guix/scripts/discover.scm | 15 ++++++++++++---
1 file changed, 12 insertions(+), 3 deletions(-)
diff --git a/guix/scripts/discover.scm b/guix/scripts/discover.scm
index be1eaa6e95..e42f7662d0 100644
--- a/guix/scripts/discover.scm
+++ b/guix/scripts/discover.scm
@@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2020 Mathieu Othacehe <othacehe@gnu.org>
+;;; Copyright © 2020, 2021 Mathieu Othacehe <othacehe@gnu.org>
;;; Copyright © 2021 Simon Tournier <zimon.toutoune@gmail.com>
;;;
;;; This file is part of GNU Guix.
@@ -26,6 +26,7 @@
#:use-module (guix build syscalls)
#:use-module (guix build utils)
#:use-module (guix scripts publish)
+ #:use-module (avahi)
#:use-module (ice-9 rdelim)
#:use-module (srfi srfi-37)
#:export (read-substitute-urls
@@ -138,5 +139,13 @@ to synchronize with the writer."
(parameterize ((%publish-file publish-file))
(mkdir-p (dirname publish-file))
(false-if-exception (delete-file publish-file))
- (avahi-browse-service-thread service-proc
- #:types %services)))))
+ (catch 'avahi-error
+ (lambda ()
+ (avahi-browse-service-thread service-proc
+ #:types %services))
+ (lambda (key err function . _)
+ (cond
+ ((eq? err error/no-daemon)
+ (warning (G_ "Avahi daemon is not running, \
+cannot auto-discover substitutes servers.~%"))))
+ (exit 1)))))))
--
2.31.1