GNU bug report logs - #40456
Invalid keyboard layouts pass through

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Package: guix; Severity: important; Reported by: Ludovic Courtès <ludo@HIDDEN>; dated Sun, 5 Apr 2020 21:00:02 UTC; Maintainer for guix is bug-guix@HIDDEN.

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From: Simon Tournier <zimon.toutoune@HIDDEN>
To: Ludovic =?utf-8?Q?Court=C3=A8s?= <ludo@HIDDEN>
Subject: Re: bug#40456: Invalid keyboard layouts pass through
In-Reply-To: <87zhbphcnj.fsf@HIDDEN> ("Ludovic =?utf-8?Q?Court=C3=A8s=22?=
 =?utf-8?Q?'s?= message of "Sun, 05 Apr 2020 22:59:28 +0200")
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Date: Wed, 18 Mar 2026 13:48:25 +0100
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Hi,

For more context, see:

    https://issues.guix.gnu.org/issue/40456

Please consider this bug had been marked as =E2=80=99important=E2=80=99 5 y=
ears, 25
weeks, 4 days ago=E2=80=A6

On Sun, 05 Apr 2020 at 22:59, Ludovic Court=C3=A8s <ludo@HIDDEN> wrote:

> Long story short: it would be great if invalid keyboard layouts were
> caught when the system is instantiated.  It could be =E2=80=98ckbcomp=E2=
=80=99 errorring
> out, or we could have additional code that browses xkeyboard-config=E2=80=
=99s
> =E2=80=98base.xml=E2=80=99 file.

=E2=80=A6I guess it=E2=80=99s not so much important. :-)

What is the next actionable step here considering the Debbugs sunset?

Cheers,
simon
Information forwarded to bug-guix@HIDDEN:
bug#40456; Package guix. Full text available.

Message received at 40456 <at> debbugs.gnu.org:


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From: Suhail Singh <suhailsingh247@HIDDEN>
To: Ludovic =?utf-8?Q?Court=C3=A8s?= <ludo@HIDDEN>
Subject: Re: bug#40456: Invalid keyboard layouts pass through
In-Reply-To: <87zhbphcnj.fsf@HIDDEN> ("Ludovic =?utf-8?Q?Court=C3=A8s=22?=
 =?utf-8?Q?'s?= message of "Sun, 05 Apr 2020 22:59:28 +0200")
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Ludovic Court=C3=A8s <ludo@HIDDEN> writes:

> Long story short: it would be great if invalid keyboard layouts were
> caught when the system is instantiated.  It could be =E2=80=98ckbcomp=E2=
=80=99 errorring
> out, or we could have additional code that browses xkeyboard-config=E2=80=
=99s
> =E2=80=98base.xml=E2=80=99 file.

Ludo, this issue currently has the debbugs usertag "v1.3.0".  Is that
usertag still applicable?

--=20
Suhail
Information forwarded to bug-guix@HIDDEN:
bug#40456; Package guix. Full text available.

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Subject: Invalid keyboard layouts pass through
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 Content preview:  We could listen from the WARNING: string on stderr of ckbcomp,
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We could listen from the WARNING: string on stderr of ckbcomp, or that dirty pipeline return 1 with an incorrect variant « setxkbmap -print fr foo | xkbcomp - -C »
Information forwarded to bug-guix@HIDDEN:
bug#40456; Package guix. Full text available.
Severity set to 'important' from 'normal' Request was from Ludovic Courtès <ludo@HIDDEN> to control <at> debbugs.gnu.org. Full text available.

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From: =?utf-8?Q?Ludovic_Court=C3=A8s?= <ludo@HIDDEN>
To: bug-guix@HIDDEN
Subject: Invalid keyboard layouts pass through
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Hello,

After a painful debugging session where I was blaming GDM for not using
the right keyboard layout, I found that I had specified an invalid
keyboard layout variant, as in:

  (keyboard-layout "fr" "does-not-exist")

=E2=80=98ckbcomp=E2=80=99 would build a layout for the console just fine, o=
nly with a
warning.  Xorg would switch to the default =E2=80=9Cfr=E2=80=9D layout (whi=
ch exists)
and ignore the =E2=80=9Cdoes-not-exist=E2=80=9D variant.

However, GNOME Shell would reject it in =E2=80=98keyboardManager.js=E2=80=
=99 because:

     [found, , , _layout, _variant] =3D this._xkbInfo.get_layout_info(id);

returns =E2=80=98found =3D false=E2=80=99 since =E2=80=98fr+does-not-exist=
=E2=80=99 is not found, and thus
goes on to use the US layout:

      if (found)
          return { layout: _layout, variant: _variant };
      else
          return { layout: DEFAULT_LAYOUT, variant: DEFAULT_VARIANT };

(This is just for GNOME Shell because again, Xorg itself installs the
=E2=80=9Cfr=E2=80=9D layout, as can be seen if you start ratpoison or simil=
ar.)

Long story short: it would be great if invalid keyboard layouts were
caught when the system is instantiated.  It could be =E2=80=98ckbcomp=E2=80=
=99 errorring
out, or we could have additional code that browses xkeyboard-config=E2=80=
=99s
=E2=80=98base.xml=E2=80=99 file.

Ludo=E2=80=99.
Acknowledgement sent to Ludovic Courtès <ludo@HIDDEN>:
New bug report received and forwarded. Copy sent to bug-guix@HIDDEN. Full text available.
Report forwarded to bug-guix@HIDDEN:
bug#40456; Package guix. Full text available.
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