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Date: Sun, 21 Dec 2014 05:26:22 +0100
Message-ID: <CAHYJk3RHSYZcyaV+k5NE=i-Ox8yQ_k83iyns64PCq2W+XWLHUw@mail.gmail.com>
Subject: Re: read -e does not restore terminal settings correctly when
 interrupted if
From: Mikael Magnusson <mikachu@gmail.com>
To: Mehran Kholdi <kholdi.mehran@gmail.com>
Cc: zsh workers <zsh-workers@zsh.org>
Content-Type: text/plain; charset=UTF-8

On Sun, Dec 21, 2014 at 5:16 AM, Mehran Kholdi <kholdi.mehran@gmail.com> wrote:
> Hi Zsh guys!
>
> There's a bug in bash that causes inconvenience for zsh users only,
> apparently. I don't know why it has been there for so long, given there is
> a patch for it already. Do you think there's a way to work around this in
> zsh instead?
>
> An excerpt from the original bug
> <https://lists.gnu.org/archive/html/bug-bash/2014-09/msg00029.html>:
>
> Given the following script (test.sh) :
>>         #!/bin/bash
>>         cleanup() { :; }
>>         trap cleanup 0
>>         read -e dummy
>> Run the script ('bash test.sh') *in ZSH* and when it waits for an
>> input, interrupt it with Ctrl-C. Your terminal is now messed-up. This can
>> be verified by running 'cat
>> -t' and pressing Enter. ^M will be printed instead of a newline and
>> password
>> prompts such as the one in sudo cannot be submitted by pressing Enter
>> anymore.

I can't reproduce the issue, but you could try running ttyctl -f
before running the buggy program, and zsh should restore all tty
settings after every command (including stty).

-- 
Mikael Magnusson