GNU bug report logs - #24889
25.1; tramp-dissect-file-name signals a user-error for some invalid files

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Michael Albinus <michael.albinus <at> gmx.de>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#24889: closed (25.1; tramp-dissect-file-name signals a
 user-error for some invalid files)
Date: Tue, 08 Nov 2016 20:23:02 +0000

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Your message dated Tue, 08 Nov 2016 21:22:00 +0100
with message-id <87shr14t93.fsf <at> gmx.de>
and subject line Re: bug#24889: 25.1; tramp-dissect-file-name signals a user-error for some invalid files
has caused the debbugs.gnu.org bug report #24889,
regarding 25.1; tramp-dissect-file-name signals a user-error for some invalid files
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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24889: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=24889
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From: Alex <agrambot <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 25.1;
 tramp-dissect-file-name signals a user-error for some invalid files
Date: Sun, 06 Nov 2016 13:54:30 -0600

This user-error affects commands such as file-remote-p and ffap. I
believe that these should just return nil or no valid file instead of
signalling an error.

Backtrace of (file-remote-p "/uref{http://test.com}":

Debugger entered--Lisp error: (user-error "Not a Tramp file name: \"/uref{http://www.doc.ic.ac.uk/lab/cplus/c++.rules/}\"")
  signal(user-error ("Not a Tramp file name: \"/uref{http://www.doc.ic.ac.uk/lab/cplus/c++.rules/}\""))
  tramp-error(nil user-error "Not a Tramp file name: \"%s\"" "/uref{http://www.doc.ic.ac.uk/lab/cplus/c++.rules/}")
  apply(tramp-error nil user-error "Not a Tramp file name: \"%s\"" "/uref{http://www.doc.ic.ac.uk/lab/cplus/c++.rules/}")
  tramp-dissect-file-name("/uref{http://www.doc.ic.ac.uk/lab/cplus/c++.rules/}" t)
  tramp-find-foreign-file-name-handler("/uref{http://www.doc.ic.ac.uk/lab/cplus/c++.rules/}")
  tramp-file-name-handler(file-remote-p "/uref{http://www.doc.ic.ac.uk/lab/cplus/c++.rules/}" nil nil)
  file-remote-p("/uref{http://www.doc.ic.ac.uk/lab/cplus/c++.rules/}")


Note that when the point is in @uref in the following:

  @uref{http://test.com}

then in Emacs 25.1+ ffap will signal the user-error as well.

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From: Michael Albinus <michael.albinus <at> gmx.de>
To: Alex <agrambot <at> gmail.com>
Cc: 24889-done <at> debbugs.gnu.org, Thierry Volpiatto <thierry.volpiatto <at> gmail.com>
Subject: Re: bug#24889: 25.1;
 tramp-dissect-file-name signals a user-error for some invalid files
Date: Tue, 08 Nov 2016 21:22:00 +0100

Version: 26.1

Alex <agrambot <at> gmail.com> writes:

Hi Alex,

>> I've committed the following patch to the master branch, could you pls
>> check whether this fixes the problem for you?
>
> With the latest master it seems to have fixed the problem, thanks.

Thanks for checking. I'm closing the bug.

Best regards, Michael.

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