GNU bug report logs - #77030
30.0.93; GNU-devel ELPA shell-quasiquote compilation error in Emacs 30

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Package: emacs; Reported by: Lin Jian <me@HIDDEN>; dated Sat, 15 Mar 2025 11:27:02 UTC; Maintainer for emacs is bug-gnu-emacs@HIDDEN.

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From: Stefan Monnier <monnier@HIDDEN>
To: Philip Kaludercic <philipk@HIDDEN>
Subject: Re: bug#77030: 30.0.93; GNU-devel ELPA shell-quasiquote compilation
 error in Emacs 30
In-Reply-To: <87sendygv8.fsf@HIDDEN>
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> This appears to be a bug in the shell-quasiquote package (with
> apparently has never been released on GNU ELPA?), not ELPA itself.  I
> don't understand what is going on, but it is being caused by the
> following pcase branch:
>
>   (`,@,form `(mapconcat #'shqq--quote-atom ,form " "))

These patterns were tolerated, but they now signal an error because the
semantics of `,@` could be different, so we don't want code to rely on
any specific semantics.

That pattern needs to be rewritten to something like:

    (`(,'\,@ ,form) `(mapconcat #'shqq--quote-atom ,form " "))


- Stefan





Information forwarded to bug-gnu-emacs@HIDDEN:
bug#77030; Package emacs. Full text available.

Message received at 77030 <at> debbugs.gnu.org:


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From: Philip Kaludercic <philipk@HIDDEN>
To: Stefan Kangas <stefankangas@HIDDEN>
Subject: Re: bug#77030: 30.0.93; GNU-devel ELPA shell-quasiquote compilation
 error in Emacs 30
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Stefan Kangas <stefankangas@HIDDEN> writes:

> Lin Jian via "Bug reports for GNU Emacs, the Swiss army knife of text
> editors" <bug-gnu-emacs@HIDDEN> writes:
>
>> Steps  to reproduce:
>>
>> 1. cd $(mktemp -d)
>> 2. HOME=3D$PWD emacs -Q
>> 3. eval this
>>
>> (progn
>>   (require 'package)
>>   (add-to-list 'package-archives '("elpa-devel" . "https://elpa.gnu.org/=
devel/"))
>>   (package-install 'shell-quasiquote))
>>
>> 4. see the following error in *Compile-Log* buffer
>>
>> Compiling file /tmp/tmp.4wX7pmIq3P/.emacs.d/elpa/shell-quasiquote-0.0.20=
221221.82030/shell-quasiquote.el at Fri Mar 14 23:28:35 2025
>> Entering directory =E2=80=98/tmp/tmp.4wX7pmIq3P/.emacs.d/elpa/shell-quas=
iquote-0.0.20221221.82030/=E2=80=99
>> shell-quasiquote.el:1:1: Warning: file has no =E2=80=98lexical-binding=
=E2=80=99 directive on
>>     its first line
>> shell-quasiquote.el:105:18: Error: Unsupported QPAT: (\,@ (\, form))
>
> I'm copying in Philip and Taylan.

This appears to be a bug in the shell-quasiquote package (with
apparently has never been released on GNU ELPA?), not ELPA itself.  I
don't understand what is going on, but it is being caused by the
following pcase branch:

  (`,@,form `(mapconcat #'shqq--quote-atom ,form " "))




Information forwarded to bug-gnu-emacs@HIDDEN:
bug#77030; Package emacs. Full text available.
Removed tag(s) notabug. Request was from Stefan Kangas <stefankangas@HIDDEN> to control <at> debbugs.gnu.org. Full text available.
Added tag(s) notabug. Request was from Stefan Kangas <stefankangas@HIDDEN> to control <at> debbugs.gnu.org. Full text available.

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Subject: Re: bug#77030: 30.0.93; GNU-devel ELPA shell-quasiquote compilation
 error in Emacs 30
To: Lin Jian <me@HIDDEN>, 77030 <at> debbugs.gnu.org
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Lin Jian via "Bug reports for GNU Emacs, the Swiss army knife of text
editors" <bug-gnu-emacs@HIDDEN> writes:

> Steps  to reproduce:
>
> 1. cd $(mktemp -d)
> 2. HOME=3D$PWD emacs -Q
> 3. eval this
>
> (progn
>   (require 'package)
>   (add-to-list 'package-archives '("elpa-devel" . "https://elpa.gnu.org/d=
evel/"))
>   (package-install 'shell-quasiquote))
>
> 4. see the following error in *Compile-Log* buffer
>
> Compiling file /tmp/tmp.4wX7pmIq3P/.emacs.d/elpa/shell-quasiquote-0.0.202=
21221.82030/shell-quasiquote.el at Fri Mar 14 23:28:35 2025
> Entering directory =E2=80=98/tmp/tmp.4wX7pmIq3P/.emacs.d/elpa/shell-quasi=
quote-0.0.20221221.82030/=E2=80=99
> shell-quasiquote.el:1:1: Warning: file has no =E2=80=98lexical-binding=E2=
=80=99 directive on
>     its first line
> shell-quasiquote.el:105:18: Error: Unsupported QPAT: (\,@ (\, form))

I'm copying in Philip and Taylan.




Information forwarded to bug-gnu-emacs@HIDDEN:
bug#77030; Package emacs. Full text available.

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To: bug-gnu-emacs@HIDDEN
Subject: 30.0.93; GNU-devel ELPA shell-quasiquote compilation error in Emacs 30
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Steps  to reproduce:

1. cd $(mktemp -d)
2. HOME=3D$PWD emacs -Q
3. eval this

(progn
  (require 'package)
  (add-to-list 'package-archives '("elpa-devel" . "https://elpa.gnu.org/dev=
el/"))
  (package-install 'shell-quasiquote))

4. see the following error in *Compile-Log* buffer

Compiling file /tmp/tmp.4wX7pmIq3P/.emacs.d/elpa/shell-quasiquote-0.0.20221=
221.82030/shell-quasiquote.el at Fri Mar 14 23:28:35 2025
Entering directory =E2=80=98/tmp/tmp.4wX7pmIq3P/.emacs.d/elpa/shell-quasiqu=
ote-0.0.20221221.82030/=E2=80=99
shell-quasiquote.el:1:1: Warning: file has no =E2=80=98lexical-binding=E2=
=80=99 directive on
    its first line
shell-quasiquote.el:105:18: Error: Unsupported QPAT: (\,@ (\, form))




Acknowledgement sent to Lin Jian <me@HIDDEN>:
New bug report received and forwarded. Copy sent to bug-gnu-emacs@HIDDEN. Full text available.
Report forwarded to bug-gnu-emacs@HIDDEN:
bug#77030; Package emacs. Full text available.
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