GNU bug report logs - #47389
27.1.91; completion issue on eshell

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

From: Andrés Ramírez <rrandresf <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 27.1.91; completion issue on eshell
Date: Thu, 25 Mar 2021 15:09:32 +0000

Hi. I have not being able of reproducing this issue with emacs -Q. It
just happens sometimes when trying completion M-/ on eshell. On this case I
was trying fsc (for fsck). And this is the error message:
--8<---------------cut here---------------start------------->8---
Debugger entered--Lisp error: (void-variable glob-name)
  (if glob-name completions (setq completions (append (if (fboundp 'eshell-alias-completions) (eshell-alias-completions filename)) (eshell-winnow-list (mapcar #'(lambda (name) (substring name 7)) (all-completions (concat "eshell/" filename) obarray #'functionp)) nil '(eshell-find-alias-function)) completions)) (append (and (or eshell-show-lisp-completions (and eshell-show-lisp-alternatives (null completions))) (all-completions filename obarray #'functionp)) completions))
  (pcomplete-uniquify-list (if glob-name completions (setq completions (append (if (fboundp 'eshell-alias-completions) (eshell-alias-completions filename)) (eshell-winnow-list (mapcar #'(lambda ... ...) (all-completions (concat "eshell/" filename) obarray #'functionp)) nil '(eshell-find-alias-function)) completions)) (append (and (or eshell-show-lisp-completions (and eshell-show-lisp-alternatives (null completions))) (all-completions filename obarray #'functionp)) completions)))
  (let* ((paths (eshell-get-path)) (cwd (file-name-as-directory (expand-file-name default-directory))) (path "") (comps-in-path nil) (file "") (filepath "") (completions nil)) (while paths (setq path (file-name-as-directory (expand-file-name (or (car paths) "."))) comps-in-path (and (file-accessible-directory-p path) (file-name-all-completions filename path))) (while comps-in-path (setq file (car comps-in-path) filepath (concat path file)) (if (and (not (member file completions)) (or (string-equal path cwd) (not (file-directory-p filepath))) (if eshell-force-execution (file-readable-p filepath) (file-executable-p filepath))) (setq completions (cons file completions))) (setq comps-in-path (cdr comps-in-path))) (setq paths (cdr paths))) (pcomplete-uniquify-list (if glob-name completions (setq completions (append (if (fboundp 'eshell-alias-completions) (eshell-alias-completions filename)) (eshell-winnow-list (mapcar #'... (all-completions ... obarray ...)) nil '(eshell-find-alias-function)) completions)) (append (and (or eshell-show-lisp-completions (and eshell-show-lisp-alternatives (null completions))) (all-completions filename obarray #'functionp)) completions))))
  (if (file-name-directory filename) (if eshell-force-execution (pcomplete-dirs-or-entries nil #'file-readable-p) (pcomplete-executables)) (let* ((paths (eshell-get-path)) (cwd (file-name-as-directory (expand-file-name default-directory))) (path "") (comps-in-path nil) (file "") (filepath "") (completions nil)) (while paths (setq path (file-name-as-directory (expand-file-name (or (car paths) "."))) comps-in-path (and (file-accessible-directory-p path) (file-name-all-completions filename path))) (while comps-in-path (setq file (car comps-in-path) filepath (concat path file)) (if (and (not (member file completions)) (or (string-equal path cwd) (not ...)) (if eshell-force-execution (file-readable-p filepath) (file-executable-p filepath))) (setq completions (cons file completions))) (setq comps-in-path (cdr comps-in-path))) (setq paths (cdr paths))) (pcomplete-uniquify-list (if glob-name completions (setq completions (append (if (fboundp ...) (eshell-alias-completions filename)) (eshell-winnow-list (mapcar ... ...) nil '...) completions)) (append (and (or eshell-show-lisp-completions (and eshell-show-lisp-alternatives ...)) (all-completions filename obarray #'functionp)) completions)))))
  (lambda (filename) (if (file-name-directory filename) (if eshell-force-execution (pcomplete-dirs-or-entries nil #'file-readable-p) (pcomplete-executables)) (let* ((paths (eshell-get-path)) (cwd (file-name-as-directory (expand-file-name default-directory))) (path "") (comps-in-path nil) (file "") (filepath "") (completions nil)) (while paths (setq path (file-name-as-directory (expand-file-name ...)) comps-in-path (and (file-accessible-directory-p path) (file-name-all-completions filename path))) (while comps-in-path (setq file (car comps-in-path) filepath (concat path file)) (if (and ... ... ...) (setq completions ...)) (setq comps-in-path (cdr comps-in-path))) (setq paths (cdr paths))) (pcomplete-uniquify-list (if glob-name completions (setq completions (append ... ... completions)) (append (and ... ...) completions))))))(#("fsc" 0 1 (arg-begin t rear-nonsticky (arg-begin arg-end)) 2 3 (arg-end t rear-nonsticky (arg-end arg-begin))))
  #f(compiled-function (string pred action) #<bytecode -0x1fffffff520945a8>)(#("fsc" 0 1 (arg-begin t rear-nonsticky (arg-begin arg-end)) 2 3 (arg-end t rear-nonsticky (arg-end arg-begin))) nil nil)
  try-completion(#("fsc" 0 1 (arg-begin t rear-nonsticky (arg-begin arg-end)) 2 3 (arg-end t rear-nonsticky (arg-end arg-begin))) #f(compiled-function (string pred action) #<bytecode -0x1fffffff520945a8>) nil)
  completion-basic-try-completion(#("fsc" 0 1 (rear-nonsticky (arg-begin arg-end) arg-begin t) 2 3 (rear-nonsticky (arg-end arg-begin) arg-end t)) #f(compiled-function (string pred action) #<bytecode -0x1fffffff520945a8>) nil 3)
  #f(compiled-function (style) #<bytecode -0x1fffffff52081dc8>)(basic)
  completion--some(#f(compiled-function (style) #<bytecode -0x1fffffff52081dc8>) (basic partial-completion emacs22))
  completion--nth-completion(1 #("fsc" 0 1 (rear-nonsticky (arg-begin arg-end) arg-begin t) 2 3 (rear-nonsticky (arg-end arg-begin) arg-end t)) #f(compiled-function (string pred action) #<bytecode -0x1fffffff520949d8>) nil 3 (metadata (completion--unquote-requote . t)))
  completion-try-completion(#("fsc" 0 1 (rear-nonsticky (arg-begin arg-end) arg-begin t) 2 3 (rear-nonsticky (arg-end arg-begin) arg-end t)) #f(compiled-function (string pred action) #<bytecode -0x1fffffff520949d8>) nil 3 (metadata (completion--unquote-requote . t)))
  completion--do-completion(#<marker at 1471 in *eshell*> 1474)
  completion--in-region-1(#<marker at 1471 in *eshell*> 1474)
  #f(compiled-function (start end collection predicate) #<bytecode -0x1fffffff4df2e098>)(#<marker at 1471 in *eshell*> 1474 #f(compiled-function (string pred action) #<bytecode -0x1fffffff520949d8>) nil)
  apply(#f(compiled-function (start end collection predicate) #<bytecode -0x1fffffff4df2e098>) (#<marker at 1471 in *eshell*> 1474 #f(compiled-function (string pred action) #<bytecode -0x1fffffff520949d8>) nil))
  #f(compiled-function (funs global args) #<bytecode -0x1fffffff52095138>)(nil nil (#<marker at 1471 in *eshell*> 1474 #f(compiled-function (string pred action) #<bytecode -0x1fffffff520949d8>) nil))
  completion--in-region(#<marker at 1471 in *eshell*> 1474 #f(compiled-function (string pred action) #<bytecode -0x1fffffff520949d8>) nil)
  completion-in-region(#<marker at 1471 in *eshell*> 1474 #f(compiled-function (string pred action) #<bytecode -0x1fffffff520949d8>) nil)
  completion-at-point()
  funcall-interactively(completion-at-point)
  call-interactively(completion-at-point nil nil)
  command-execute(completion-at-point)
--8<---------------cut here---------------end--------------->8---

Hope It helps.
Best Regards


In GNU Emacs 27.1.91 (build 1, armv7l-unknown-linux-gnueabihf, X toolkit, cairo version 1.17.4, Xaw3d scroll bars)
 of 2021-03-02 built on sacsa
System Description: Arch Linux ARM

Recent messages:
EMMS: 1600 tracks to go..
EMMS: 1400 tracks to go..
EMMS: 1200 tracks to go..
EMMS: 1000 tracks to go..
EMMS: 800 tracks to go..
EMMS: 600 tracks to go..
EMMS: 400 tracks to go..
EMMS: 200 tracks to go..
EMMS: All track information loaded.

Configured using:
 'configure --prefix=/usr --sysconfdir=/etc --libexecdir=/usr/lib
 --localstatedir=/var --with-x-toolkit=lucid --with-xft --with-wide-int
 --with-modules --with-cairo --with-harfbuzz --with-json=yes
 'CFLAGS=-march=armv7-a -mfloat-abi=hard -mfpu=vfpv3-d16 -O2 -pipe
 -fstack-protector-strong -fno-plt' CPPFLAGS=-D_FORTIFY_SOURCE=2
 LDFLAGS=-Wl,-O1,--sort-common,--as-needed,-z,relro,-z,now'

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/home/olla/.emacs.d/elpa/circe-20180420.226/tracking hides /home/olla/.emacs.d/elpa/tracking-20201101.1045/tracking
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/home/olla/.emacs.d/elpa/flim-20190526.1034/sasl-cram hides /usr/share/emacs/27.1.91/lisp/net/sasl-cram
/home/olla/.emacs.d/elpa/flim-20190526.1034/hmac-md5 hides /usr/share/emacs/27.1.91/lisp/net/hmac-md5
/home/olla/.emacs.d/elpa/flim-20190526.1034/ntlm hides /usr/share/emacs/27.1.91/lisp/net/ntlm
/home/olla/.emacs.d/elpa/flim-20190526.1034/hmac-def hides /usr/share/emacs/27.1.91/lisp/net/hmac-def
/home/olla/.emacs.d/elpa/eldoc-1.9.0/eldoc hides /usr/share/emacs/27.1.91/lisp/emacs-lisp/eldoc

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Message #8 received at 47389 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Andrés Ramírez <rrandresf <at> gmail.com>
Cc: 47389 <at> debbugs.gnu.org
Subject: Re: bug#47389: 27.1.91; completion issue on eshell
Date: Fri, 26 Mar 2021 12:45:05 +0100

Andrés Ramírez <rrandresf <at> gmail.com> writes:

> Hi. I have not being able of reproducing this issue with emacs -Q. It
> just happens sometimes when trying completion M-/ on eshell. On this case I
> was trying fsc (for fsck). And this is the error message:
>
> Debugger entered--Lisp error: (void-variable glob-name)
>   (if glob-name completions (setq completions (append (if (fboundp 'eshell-al

[...]

>   completion-at-point()
>   funcall-interactively(completion-at-point)
>   call-interactively(completion-at-point nil nil)
>   command-execute(completion-at-point)

I'm unable to reproduce this bug in the emacs-27 branch, and I'm also a
bit confused by the description of the bug.  `M-/` is bound to
`dabbrev-expand' in "emacs -Q", but your backtrace says
`completion-at-point', which is what `TAB' is bound to.

Are you sure that this is with "emacs -Q"?  Your bug report doesn't say
what check-out you're at, either -- is your version of the source tree
current or old?

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

Message #13 received at 47389 <at> debbugs.gnu.org (full text, mbox):

From: andrés ramírez <rrandresf <at> gmail.com>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: 47389 <at> debbugs.gnu.org
Subject: Re: bug#47389: 27.1.91; completion issue on eshell
Date: Fri, 26 Mar 2021 12:04:35 +0000

Hi.

>>>>> "Lars" == Lars Ingebrigtsen <larsi <at> gnus.org> writes:


    Lars> I'm unable to reproduce this bug in the emacs-27 branch, and I'm also a bit confused by
    Lars> the description of the bug.  `M-/` is bound to `dabbrev-expand' in "emacs -Q", but your
    Lars> backtrace says `completion-at-point', which is what `TAB' is bound to.

My fault. It is TAB.

    Lars> Are you sure that this is with "emacs -Q"?  Your bug report doesn't say what check-out
    Lars> you're at, either -- is your version of the source tree current or old?

No. I was NOT able of reproducing this with 'emacs -Q'.

This is the previous release candidate "27.1.91".

Best Regards

Message #16 received at 47389 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: andrés ramírez <rrandresf <at> gmail.com>
Cc: 47389 <at> debbugs.gnu.org
Subject: Re: bug#47389: 27.1.91; completion issue on eshell
Date: Sat, 27 Mar 2021 13:29:22 +0100

andrés ramírez <rrandresf <at> gmail.com> writes:

> No. I was NOT able of reproducing this with 'emacs -Q'.

Sorry; misread your bug report.

In any case, what you're seeing is typically what you'd get if
em-cmpl.el has been miscompiled somehow, or you have a copy of that file
somewhere that's mangled -- it uses lexical binding here, but if that's
not heeded, you'd get the error you're seeing.

So I'd update and re-build Emacs and see whether that helps.

The backtrace also seems to indicate that em-cmpl file hasn't been
byte-compiled at all.  Or do you perhaps have a copy of the
eshell--complete-commands-list somewhere else, for instance in your
.emacs file?

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

Message #19 received at 47389 <at> debbugs.gnu.org (full text, mbox):

From: andrés ramírez <rrandresf <at> gmail.com>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: 47389 <at> debbugs.gnu.org
Subject: Re: bug#47389: 27.1.91; completion issue on eshell
Date: Sat, 27 Mar 2021 12:56:36 +0000

Hi. Lars.

>>>>> "Lars" == Lars Ingebrigtsen <larsi <at> gnus.org> writes:


[...]

    Lars> In any case, what you're seeing is typically what you'd get if em-cmpl.el has been
    Lars> miscompiled somehow, or you have a copy of that file somewhere that's mangled -- it uses
    Lars> lexical binding here, but if that's not heeded, you'd get the error you're seeing.

    Lars> So I'd update and re-build Emacs and see whether that helps.

On this weekend I am going to compile 27.2. So I sent this just in case
someone else has been experiencing the same behaviour. But as far as I
understand I am the only one.

    Lars> The backtrace also seems to indicate that em-cmpl file hasn't been byte-compiled at all.
    Lars> Or do you perhaps have a copy of the eshell--complete-commands-list somewhere else, for
    Lars> instance in your .emacs file?

This is my eshell setup:
--8<---------------cut here---------------start------------->8---
https://termbin.com/2uyd
--8<---------------cut here---------------end--------------->8---

Best Regards

Message #22 received at 47389 <at> debbugs.gnu.org (full text, mbox):

From: andrés ramírez <rrandresf <at> gmail.com>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: 47389 <at> debbugs.gnu.org
Subject: Re: bug#47389: 27.1.91; completion issue on eshell
Date: Wed, 21 Apr 2021 16:05:55 +0000

Hi. Lars.

>>>>> "Lars" == Lars Ingebrigtsen <larsi <at> gnus.org> writes:

    Lars> andrés ramírez <rrandresf <at> gmail.com> writes:
    >> No. I was NOT able of reproducing this with 'emacs -Q'.

    Lars> The backtrace also seems to indicate that em-cmpl file hasn't been byte-compiled at all.
    Lars> Or do you perhaps have a copy of the eshell--complete-commands-list somewhere else, for
    Lars> instance in your .emacs file?

Today I was reading the list help-gnu-emacs <at> gnu.org. And I found this
message:
--8<---------------cut here---------------start------------->8---
https://lists.gnu.org/archive/html/help-gnu-emacs/2021-04/msg00216.html
--8<---------------cut here---------------end--------------->8---

On that message Stefan mentions  bug#41423. On 
bug#41423 I had been testing Stefan's 'minimalist version of the patch'. So Indeed I have a copy of
the function 'eshell--complete-commands-list' at the end of my 'dot emacs'. So I think this bug
report is a continuation of bug#41423.

IMO. This bug should be marked duplicate.

I am going to reply on bug#41423. Explaining the tiny added change on
Stefan's 'minimalist version of the patch' for fixing bug#47389. Perhaps Stefan would indicate
If the change done is right.

Best Regards

Message #25 received at 47389 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: andrés ramírez <rrandresf <at> gmail.com>
Cc: 47389 <at> debbugs.gnu.org
Subject: Re: bug#47389: 27.1.91; completion issue on eshell
Date: Sun, 25 Apr 2021 21:03:34 +0200

andrés ramírez <rrandresf <at> gmail.com> writes:

> IMO. This bug should be marked duplicate.

OK, merged with the other bug.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

Message #32 received at 47389 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: Eli Zaretskii <eliz <at> gnu.org>,
 andrés ramírez <rrandresf <at> gmail.com>,
 47389 <at> debbugs.gnu.org, 41423 <at> debbugs.gnu.org
Subject: Re: bug#47389: 27.1.91; completion issue on eshell
Date: Mon, 27 Jun 2022 10:29:34 +0200

Stefan Monnier <monnier <at> iro.umontreal.ca> writes:

>> If You code the 'minimalist version of the patch'. I could try it on this
>> version.
>
> See patch below.  You don't need to rebuild Emacs either: just recompile
> that one file and you're done.

[...]

> diff --git a/lisp/eshell/em-cmpl.el b/lisp/eshell/em-cmpl.el
> index faf749d836..744be525ec 100644
> --- a/lisp/eshell/em-cmpl.el
> +++ b/lisp/eshell/em-cmpl.el
> @@ -399,16 +399,21 @@
>
>  (defun eshell-complete-commands-list ()
>    "Generate list of applicable, visible commands."
> -  (let ((filename (pcomplete-arg)) glob-name)
> +  ;; Building the commands list can take quite a while, especially over Tramp
> +  ;; (bug#41423), so do it lazily.

Re-skimming this bug report quickly, it seems like this patch was
applied at the time, but Andrés had some additional issues, and a
proposed addition patch?

Andrés, did this patch fix the issue, and if not, do you have an
additional patch here?

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

Message #37 received at 47389 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: andrés ramírez <rrandresf <at> hotmail.com>
Cc: Eli Zaretskii <eliz <at> gnu.org>,
 andrés ramírez <rrandresf <at> gmail.com>,
 47389 <at> debbugs.gnu.org, Stefan Monnier <monnier <at> iro.umontreal.ca>,
 41423 <at> debbugs.gnu.org
Subject: Re: bug#47389: 27.1.91; completion issue on eshell
Date: Mon, 27 Jun 2022 13:44:19 +0200

andrés ramírez <rrandresf <at> hotmail.com> writes:

> I have removed the patch from my dot emacs today. And everything seems
> to be working fine. So no additional patch is needed.

Thanks; I'm closing this bug report, then.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

Message #42 received at 47389 <at> debbugs.gnu.org (full text, mbox):

From: andrés ramírez <rrandresf <at> hotmail.com>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: Eli Zaretskii <eliz <at> gnu.org>,
 andrés ramírez <rrandresf <at> gmail.com>,
 47389 <at> debbugs.gnu.org, Stefan Monnier <monnier <at> iro.umontreal.ca>,
 41423 <at> debbugs.gnu.org
Subject: Re: bug#47389: 27.1.91; completion issue on eshell
Date: Mon, 27 Jun 2022 11:37:09 +0000

Hi. Lars.

>>>>> "Lars" == Lars Ingebrigtsen <larsi <at> gnus.org> writes:

    Lars> Re-skimming this bug report quickly, it seems like this patch was applied at the time, but
    Lars> Andrés had some additional issues, and a proposed addition patch?

I have removed the patch from my dot emacs today. And everything seems
to be working fine. So no additional patch is needed.

    Lars> Andrés, did this patch fix the issue, and if not, do you have an additional patch here?

Yes. It did.
Thanks Guys
Best Regards

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