GNU bug report logs - #71735
[PATCH] services: mpd: fix log to file

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Yarl Baudig <yarl-baudig <at> mailoo.org>
Subject: bug#71735: closed (Re: [bug#71735] [PATCH] services: mpd: fix log
 to file)
Date: Mon, 24 Jun 2024 01:47:03 +0000

[Message part 1 (text/plain, inline)]

Your bug report

#71735: [PATCH] services: mpd: fix log to file

which was filed against the guix-patches package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 71735 <at> debbugs.gnu.org.

-- 
71735: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=71735
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

[Message part 2 (message/rfc822, inline)]

From: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
To: Yarl Baudig <yarl-baudig <at> mailoo.org>
Cc: 71735-done <at> debbugs.gnu.org
Subject: Re: [bug#71735] [PATCH] services: mpd: fix log to file
Date: Sun, 23 Jun 2024 21:45:23 -0400

Hi Yarl,

Yarl Baudig <yarl-baudig <at> mailoo.org> writes:

> (match value (%unset-value ...)) is equivalent here to
> (match value (_ ...)). Even if you set 'log-file to some path, it's always
> "syslog" in the configuration file.

Interesting!  It seems like using a variable in the pattern doesn't work
as I had expected...  Thanks for the fix.

> * gnu/services/audio.scm (mpd): fix buggy 'match'.
> ---
>  gnu/services/audio.scm | 16 ++++++----------
>  1 file changed, 6 insertions(+), 10 deletions(-)
>
> diff --git a/gnu/services/audio.scm b/gnu/services/audio.scm
> index ae991ced4d..2c8af138e7 100644
> --- a/gnu/services/audio.scm
> +++ b/gnu/services/audio.scm
> @@ -251,16 +251,12 @@ (define (mpd-group-sanitizer value)
>           (configuration-field-error #f 'group value))))
>  
>  (define (mpd-log-file-sanitizer value)
> -  (match value
> -    (%unset-value
> -     ;; XXX: While leaving the 'sys_log' option out of the mpd.conf file is
> -     ;; supposed to cause logging to happen via systemd (elogind provides a
> -     ;; compatible interface), this doesn't work (nothing gets logged); use
> -     ;; syslog instead.
> -     "syslog")
> -    ((? string?)
> -     value)
> -    (_ (configuration-field-error #f 'log-file value))))
> +  ;; XXX: While leaving the 'sys_log' option out of the mpd.conf file is
> +  ;; supposed to cause logging to happen via systemd (elogind provides a
> +  ;; compatible interface), this doesn't work (nothing gets logged); use
> +  ;; syslog instead.
> +  (let ((value (maybe-value value "syslog")))
> +    (if (string? value) value (configuration-field-error #f 'log-file value))))

Applied, closing!

-- 
Thanks,
Maxim

[Message part 3 (message/rfc822, inline)]

From: Yarl Baudig <yarl-baudig <at> mailoo.org>
To: guix-patches <at> gnu.org
Cc: Yarl Baudig <yarl-baudig <at> mailoo.org>
Subject: [PATCH] services: mpd: fix log to file
Date: Sun, 23 Jun 2024 16:15:58 +0200

(match value (%unset-value ...)) is equivalent here to
(match value (_ ...)). Even if you set 'log-file to some path, it's always
"syslog" in the configuration file.

* gnu/services/audio.scm (mpd): fix buggy 'match'.
---
 gnu/services/audio.scm | 16 ++++++----------
 1 file changed, 6 insertions(+), 10 deletions(-)

diff --git a/gnu/services/audio.scm b/gnu/services/audio.scm
index ae991ced4d..2c8af138e7 100644
--- a/gnu/services/audio.scm
+++ b/gnu/services/audio.scm
@@ -251,16 +251,12 @@ (define (mpd-group-sanitizer value)
          (configuration-field-error #f 'group value))))
 
 (define (mpd-log-file-sanitizer value)
-  (match value
-    (%unset-value
-     ;; XXX: While leaving the 'sys_log' option out of the mpd.conf file is
-     ;; supposed to cause logging to happen via systemd (elogind provides a
-     ;; compatible interface), this doesn't work (nothing gets logged); use
-     ;; syslog instead.
-     "syslog")
-    ((? string?)
-     value)
-    (_ (configuration-field-error #f 'log-file value))))
+  ;; XXX: While leaving the 'sys_log' option out of the mpd.conf file is
+  ;; supposed to cause logging to happen via systemd (elogind provides a
+  ;; compatible interface), this doesn't work (nothing gets logged); use
+  ;; syslog instead.
+  (let ((value (maybe-value value "syslog")))
+    (if (string? value) value (configuration-field-error #f 'log-file value))))
 
 ;;;
 
-- 
2.45.1

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