GNU bug report logs - #23646
25.0.94; file-name-completion does not handle completion-ignored-extensions properly

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

From: Michael Albinus <michael.albinus <at> gmx.de>
To: bug-gnu-emacs <at> gnu.org
Subject: 25.0.94;
 file-name-completion does not handle completion-ignored-extensions
 properly
Date: Sun, 29 May 2016 11:00:24 +0200

Try the following:

(let ((completion-ignored-extensions ".ext"))
  (write-region "foo" nil (expand-file-name "foo" "/tmp"))
  (write-region "foo" nil (expand-file-name "foo.ext" "/tmp"))
  (file-name-all-completions "fo" "/tmp") ; ("foo" "foo.ext"), OK
  (file-name-completion "fo" "/tmp") ; "foo", OK
  (file-name-completion "foo" "/tmp") ; "foo", NOK, should be t
  (file-name-completion "foo." "/tmp") ; "foo.ext", OK
  (file-name-completion "foo.ext" "/tmp")) ; t, OK



In GNU Emacs 25.0.94.4 (x86_64-pc-linux-gnu, GTK+ Version 2.24.30)
 of 2016-05-29 built on detlef
Repository revision: bffda223c210832f535e753585235a791fb6e2f3
Windowing system distributor 'The X.Org Foundation', version 11.0.11803000
System Description:	Ubuntu 16.04 LTS

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Message #8 received at 23646 <at> debbugs.gnu.org (full text, mbox):

From: Michael Albinus <michael.albinus <at> gmx.de>
To: 23646 <at> debbugs.gnu.org
Subject: Re: bug#23646: 25.0.94;
 file-name-completion does not handle completion-ignored-extensions
 properly
Date: Sun, 29 May 2016 11:19:47 +0200

Michael Albinus <michael.albinus <at> gmx.de> writes:

> Try the following:
>
> (let ((completion-ignored-extensions ".ext"))
>   (write-region "foo" nil (expand-file-name "foo" "/tmp"))
>   (write-region "foo" nil (expand-file-name "foo.ext" "/tmp"))
>   (file-name-all-completions "fo" "/tmp") ; ("foo" "foo.ext"), OK
>   (file-name-completion "fo" "/tmp") ; "foo", OK
>   (file-name-completion "foo" "/tmp") ; "foo", NOK, should be t
>   (file-name-completion "foo." "/tmp") ; "foo.ext", OK
>   (file-name-completion "foo.ext" "/tmp")) ; t, OK

Silly me: the first line must be

(let ((completion-ignored-extensions '(".ext")))

Everything works as expected. Closing the bug.

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