GNU bug report logs - #34192
26.1; Bash 5.0 breaks TRAMP sudo

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From: Michael Albinus <michael.albinus <at> gmx.de>
To: Allen Li <darkfeline <at> felesatra.moe>
Cc: 34192 <at> debbugs.gnu.org
Subject: bug#34192: 26.1; Bash 5.0 breaks TRAMP sudo
Date: Thu, 21 Feb 2019 11:39:43 +0100

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Subject: Re: bash 5.0 dies with HISTSIZE=0
From: Chet Ramey <chet.ramey <at> case.edu>
Date: Wed, 20 Feb 2019 16:23:23 -0500

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On 2/20/19 8:10 AM, Michael Albinus wrote:

> Bash Version: 5.0
> Patch Level: 0
> Release Status: release
> 
> Description:
> This is an error report from an Emacs/Tramp user. With bash 5.0, bash
> 5.0 dies when HISTSIZE is set to 0. Setting it to 1 seems to work. Using
> bash 4.4 works as well. <See https://debbugs.gnu.org/34192> for details.
> 
> Repeat-By:
> The following is an extract from what Tramp does inside Emacs. I could
> reproduce it in a a shell:
> 
> 
> # env TERM='dumb' INSIDE_EMACS='27.0.50,tramp:2.4.2-pre' ENV='' HISTFILE='' HISTFILESIZE=0 HISTSIZE=0 PROMPT_COMMAND='' PS1=\#\$\  PS2='' PS3='' /home/albinus/src/bash-5.0/bash -norc -noprofile
> #$ tramp_perl_file_name_all_completions () {
> \perl -e '
> opendir(d, $ARGV[0]) || die("$ARGV[0]: $!\nfail\n");

Thanks for the report. Try the attached patch and see if that fixes the
crash.

Chet


-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
		 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    chet <at> case.edu    http://tiswww.cwru.edu/~chet/

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