GNU bug report logs - #15022
[Kevin Layer] 24.3: BUG REPORT: comint completion yields error

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: bug-gnu-emacs <at> gnu.org
Subject: [Kevin Layer] 24.3: BUG REPORT: comint completion yields error
Date: Sun, 04 Aug 2013 14:31:25 -0400

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

Forwarding to bug-gnu-emacs <at> gnu.org.


        Stefan

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

From: Kevin Layer <layer <at> known.net>
To: emacs-devel <at> gnu.org
Subject: 24.3: BUG REPORT: comint completion yields error
Date: Sun, 04 Aug 2013 10:20:16 -0700

This took a while to figure out.  How to reproduce:

You need a directory with .rpm files in it.  Let's call that
/foo/bar/.  Then,

emacs -q
M-x shell RET
rpm --install /foo/bar/<TAB>

where <TAB> is you pressing the TAB key.  I get this:

Debugger entered--Lisp error: (void-variable regexp)
  signal(void-variable (regexp))
  completion--some...
  completion--nth-completion...
  completion-try-completion...
  completion--do-completion()
  minibuffer-complete()
  call-interactively(minibuffer-complete)
  ...
  apply...
  ...
  completion-in-region...
  completion-at-point()
  call-interactively(completion-at-point nil nil)

Very tricky to track down.  I think it's in the pcomplete code.
Specifically, it appears that it has something to do with this
pcomplete-dirs-or-entries in pcomplete.el, since I see that code on
the stack at the point of error.

If you omit the "rpm" part of the input, it does not happen.

Good luck with this one!

Kevin Layer

Message #8 received at 15022 <at> debbugs.gnu.org (full text, mbox):

From: Michael Heerdegen <michael_heerdegen <at> web.de>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: 15022 <at> debbugs.gnu.org, Kevin Layer <layer <at> known.net>
Subject: Re: bug#15022: [Kevin Layer] 24.3: BUG REPORT: comint completion
 yields error
Date: Thu, 08 Aug 2013 16:39:33 +0200

Hi,

> You need a directory with .rpm files in it.  Let's call that
> /foo/bar/.  Then,
>
> emacs -q
> M-x shell RET
> rpm --install /foo/bar/<TAB>
>
> where <TAB> is you pressing the TAB key.  I get this:
>
> Debugger entered--Lisp error: (void-variable regexp)
>   signal(void-variable (regexp))
>   completion--some...
>   completion--nth-completion...
>   completion-try-completion...
>   completion--do-completion()
>   minibuffer-complete()
>   call-interactively(minibuffer-complete)
>   ...
>   apply...
>   ...
>   completion-in-region...
>   completion-at-point()
>   call-interactively(completion-at-point nil nil)

FWIW; I can't reproduce this here.  This is
GNU Emacs 24.3.50.1 (x86_64-pc-linux-gnu, GTK+ Version 3.8.2)
of 2013-08-04 on dex, modified by Debian.

Does this also happen with emacs -Q (capital "Q")?


Thanks,

Michael.

Message #11 received at 15022 <at> debbugs.gnu.org (full text, mbox):

From: Michael Heerdegen <michael_heerdegen <at> web.de>
To: Kevin Layer <layer <at> known.net>
Cc: 15022 <at> debbugs.gnu.org, Stefan Monnier <monnier <at> iro.umontreal.ca>
Subject: Re: bug#15022: [Kevin Layer] 24.3: BUG REPORT: comint completion
 yields error
Date: Thu, 08 Aug 2013 17:42:51 +0200

Kevin Layer <layer <at> known.net> writes:


> >> FWIW; I can't reproduce this here.  This is
> >> GNU Emacs 24.3.50.1 (x86_64-pc-linux-gnu, GTK+ Version 3.8.2)
> >> of 2013-08-04 on dex, modified by Debian.
> >> 
> >> Does this also happen with emacs -Q (capital "Q")?
>
> Yes, it does for me.
>
> $ rpm --install /tftpboot/<TAB>
>
> just yielded the error on my system.
>
> Is 24.3.50 halfway to the next emacs version?  Maybe it's fixed there.

It's a build of trunk.

But I also tried with a build of the 24.2 release, and with 23.
Couldn't reproduce your error there either.

What Emacs version do you use exactly?  If you could try with a newer
version, that would be good.

Else, can you please post a complete backtrace of the error?  Please
load the source of minibuffer.el before (if you have it - this avoids
that the important parts of the backtrace appear as bytecode).


Thanks,

Michael.

Message #14 received at 15022 <at> debbugs.gnu.org (full text, mbox):

From: Kevin Layer <layer <at> known.net>
To: Michael Heerdegen <michael_heerdegen <at> web.de>
Cc: 15022 <at> debbugs.gnu.org, Stefan Monnier <monnier <at> iro.umontreal.ca>
Subject: Re: bug#15022: [Kevin Layer] 24.3: BUG REPORT: comint completion
 yields error
Date: Thu, 08 Aug 2013 07:58:48 -0700

Michael Heerdegen wrote:

>> Hi,
>> 
>> > You need a directory with .rpm files in it.  Let's call that
>> > /foo/bar/.  Then,
>> >
>> > emacs -q
>> > M-x shell RET
>> > rpm --install /foo/bar/<TAB>
>> >
>> > where <TAB> is you pressing the TAB key.  I get this:
>> >
>> > Debugger entered--Lisp error: (void-variable regexp)
>> >   signal(void-variable (regexp))
>> >   completion--some...
>> >   completion--nth-completion...
>> >   completion-try-completion...
>> >   completion--do-completion()
>> >   minibuffer-complete()
>> >   call-interactively(minibuffer-complete)
>> >   ...
>> >   apply...
>> >   ...
>> >   completion-in-region...
>> >   completion-at-point()
>> >   call-interactively(completion-at-point nil nil)
>> 
>> FWIW; I can't reproduce this here.  This is
>> GNU Emacs 24.3.50.1 (x86_64-pc-linux-gnu, GTK+ Version 3.8.2)
>> of 2013-08-04 on dex, modified by Debian.
>> 
>> Does this also happen with emacs -Q (capital "Q")?

Yes, it does for me.

$ rpm --install /tftpboot/<TAB>

just yielded the error on my system.

Is 24.3.50 halfway to the next emacs version?  Maybe it's fixed there.

>> 
>> 
>> Thanks,
>> 
>> Michael.

Message #17 received at 15022 <at> debbugs.gnu.org (full text, mbox):

From: Glenn Morris <rgm <at> gnu.org>
To: Michael Heerdegen <michael_heerdegen <at> web.de>
Cc: 15022 <at> debbugs.gnu.org, Stefan Monnier <monnier <at> iro.umontreal.ca>,
 Kevin Layer <layer <at> known.net>
Subject: Re: bug#15022: [Kevin Layer] 24.3: BUG REPORT: comint completion
 yields error
Date: Thu, 08 Aug 2013 13:15:22 -0400

I see this in 24.3 but not current trunk, so it seems fixed.

http://savannah.gnu.org/projects/emacs/

Message #20 received at 15022 <at> debbugs.gnu.org (full text, mbox):

From: Kevin Layer <layer <at> known.net>
To: Michael Heerdegen <michael_heerdegen <at> web.de>
Cc: 15022 <at> debbugs.gnu.org, Stefan Monnier <monnier <at> iro.umontreal.ca>
Subject: Re: bug#15022: [Kevin Layer] 24.3: BUG REPORT: comint completion
 yields error
Date: Thu, 08 Aug 2013 21:50:38 -0700

Michael Heerdegen wrote:

>> What Emacs version do you use exactly?  If you could try with a newer
>> version, that would be good.

See Subject.  It says exactly there.
 
>> Else, can you please post a complete backtrace of the error?  Please
>> load the source of minibuffer.el before (if you have it - this avoids
>> that the important parts of the backtrace appear as bytecode).

Given that Glenn verified the claim, do you still want this?

Message #23 received at 15022 <at> debbugs.gnu.org (full text, mbox):

From: Michael Heerdegen <michael_heerdegen <at> web.de>
To: Kevin Layer <layer <at> known.net>
Cc: 15022 <at> debbugs.gnu.org
Subject: Re: bug#15022: [Kevin Layer] 24.3: BUG REPORT: comint completion
 yields error
Date: Fri, 09 Aug 2013 12:17:46 +0200

Kevin Layer <layer <at> known.net> writes:

> >> Else, can you please post a complete backtrace of the error?  Please
> >> load the source of minibuffer.el before (if you have it - this avoids
> >> that the important parts of the backtrace appear as bytecode).
>
> Given that Glenn verified the claim, do you still want this?

No.  Hopefully, the problem has already been fixed.


Thanks,

Michael.

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