Re: apt show escape characters
On 2025-11-08, Kraus, Sebastian <sebastian.kraus@tu-berlin.de> wrote:
> Dear Mike:
>
> you are a "victim" of this patch:
>
> apt (2.9.35) unstable; urgency=medium
>
> * Respect custom LESS/MORE/LV variables (LP: #2103921)
> * solver3: Correctly deb822-escape error message in evaluation report
> (LP: #2104276)
> * pager: Also set SMK in LESS, fix LV=C to be LV=-c (LP: #2104280)
>
> -- Julian Andres Klode <jak@debian.org> Thu, 27 Mar 2025 22:52:21 +0100
>
>
> See also https://bugs.launchpad.net/ubuntu/+source/apt/+bug/2103921 .
>
>
> In order to avoid the issue, you may use
>
> apt-cache show <package_name>
>
> instead, if possible within your workflow.
So "bug" doesn't appear on fresh installs like mine without explicit
user action, which is why I wasn't seeing it.
>
> Regards
> Sebastian
>
> ________________________
>
> Dipl.-Chem.
> Sebastian Kraus
>
> Email: sebastian.kraus@tu-berlin.de
>
> ________________________________________
> From: Mike McClain <mike.junk.46@att.net>
> Sent: Saturday, November 8, 2025 04:59
> To: debian-user@lists.debian.org
> Subject: Re: apt show escape characters
>
> On Fri, Nov 07, 2025 at 10:10:57AM -0500, Greg Wooledge wrote:
>> On Fri, Nov 07, 2025 at 08:37:31 -0600, Mike McClain wrote:
>> > Since installing trixie apt show ... is displaying 'ESC[1m', 'ESC[0m'
>> > and the like. What might be the difference in my bookworm install to
>> > the new trixie install that would cause that?
>>
>> You've probably got the LESS variable set in your environment. I do
>> too. I get that too.
>>
>> If I run
>>
>> (unset LESS; apt show bash)
>>
>> or
>>
>> env -u LESS apt show bash
>>
>> then the raw control characters are passed through directly to the
>> terminal as intended.
>
> I've had 'export LESS=-aCMsi' in the environment for several versions
> of Debian. I currently have both bookworm and trixie installs both
> with the same environment settings, atleast that I set.
> The bookworm install doesn't show those escapes as text yet in trixie
> 'apt show ...' does.
> Suggestions where I might look to see what's causing this and correct it?
>
> Thanks,
> Mike
> --
> Enjoy yourself. It is later than you think.
>
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