From: "Ludovic Courtès" <ludo@gnu.org>
To: Danny Milosavljevic <dannym@scratchpost.org>
Cc: 33470@debbugs.gnu.org, 34249@debbugs.gnu.org
Subject: bug#33470: [bug#34249] [PATCH] guix package: Avoid spinner at end of output.
Date: Tue, 29 Jan 2019 23:46:03 +0100 [thread overview]
Message-ID: <8736pbm6ac.fsf@gnu.org> (raw)
In-Reply-To: <20190129211645.08cdbd2d@scratchpost.org> (Danny Milosavljevic's message of "Tue, 29 Jan 2019 21:16:45 +0100")
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Danny Milosavljevic <dannym@scratchpost.org> skribis:
> Hi Christopher,
>> diff --git a/guix/scripts/package.scm b/guix/scripts/package.scm
>> index a633d2ee6d..4db0e72e9b 100644
>> --- a/guix/scripts/package.scm
>> +++ b/guix/scripts/package.scm
>> @@ -159,6 +159,7 @@ hooks\" run when building the profile."
>> (switch-symlinks profile (basename name))
>> (unless (string=? profile %current-profile)
>> (register-gc-root store name))
>> + (display "\r") ; erase the spinner
>
> In order to actually erase it, might want to do (display "\r\x1b[K") instead.
And to do that, you can use (erase-current-line port).
Though actually I think this should be done in ‘print-build-event’ in
(guix status). Probably something like the patch below, but I haven’t
been able to quickly reproduce the initial problem.
Could you give it a spin (ah ha!) and report back?
If it doesn’t solve the issue, we should strace the thing to see why it
keeps spinning after everything is “done” basically.
Thanks,
Ludo’.
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diff --git a/guix/status.scm b/guix/status.scm
index e3375816c5..7a330525b0 100644
--- a/guix/status.scm
+++ b/guix/status.scm
@@ -465,8 +465,14 @@ addition to build events."
(_
(spin! port))))))
- (unless print-log?
- (display "\r" port)) ;erase the spinner
+ (define erase-current-line*
+ (if (isatty?* port)
+ (lambda (port)
+ (erase-current-line port)
+ (force-output port))
+ (const #t)))
+
+ (erase-current-line* port) ;clear the spinner
(match event
(('build-started drv . _)
(let ((properties (derivation-properties
next parent reply other threads:[~2019-01-29 22:47 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20190129195031.21496-1-mail@cbaines.net>
[not found] ` <20190129211645.08cdbd2d@scratchpost.org>
2019-01-29 22:46 ` Ludovic Courtès [this message]
2019-02-06 13:16 ` bug#33470: [bug#34249] [PATCH] guix package: Avoid spinner at end of output Christopher Baines
2019-02-06 14:32 ` bug#33470: bug#34249: " Ricardo Wurmus
2019-02-07 16:09 ` Ludovic Courtès
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