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Message-ID: <55420ADE.8000609@dronecode.org.uk>
Date: Thu, 30 Apr 2015 11:58:38 +0100
From: Jon TURNEY <jon DOT turney AT dronecode DOT org DOT uk>
Reply-To: cygwin AT cygwin DOT com
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To: AC <cygwin62y9 AT acarver DOT net>, cygwin AT cygwin DOT com
Subject: Re: Terminal window hostname always showing
References: <553B4F0B DOT 4080002 AT acarver DOT net>
In-Reply-To: <553B4F0B.4080002@acarver.net>
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On 25/04/2015 09:23, AC wrote:
> Is it possible to turn off the automatic hostname that the window
> manager is adding to terminal windows?

Yes, use the X server option -nohostintitle.

> Right now, on any machine I log into, they all use escape sequences to
> set the title of the window.  However, the window manager (not sure
> which I have, looks like xorg-server) on the Cygwin system is adding a
> hostname to the title.
>
> I'm using the bash escape sequence "\u@\h: \w" which is supposed to give
> me the user and the short name of the host (minus the domain) and the
> path.  However, all my terminals on the Cygwin system end up like this:
>
> user AT host: ~ @host.example.com

Thanks for pointing out this issue.

> If I change the escape sequence on the remote machine to use the full
> hostname, the result on the Cygwin system is:
>
> user AT host DOT example DOT com: ~
>
> It seems to me that the window manager is interpreting the data in the
> escape sequence and opting to put a hostname on the title if it can't
> find one that matches the connection.

Almost. When -hostintitle is enabled, the WM adds the contents of 
WM_CLIENT_MACHINE to the window title, unless it already seems to be there.

I've tried to tweak this heuristic a bit in X server 1.17.1-3 so that
if WM_CLIENT_MACHINE contains something that looks like a FQDN, it only 
looks for the hostname part, not the whole thing.

-- 
Jon TURNEY
Volunteer Cygwin/X X Server maintainer

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