DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 738AD385BF92
Subject: Re: Re: Issue with mintty: title not updated when background process
 exists
To: cygwin AT cygwin DOT com
References: <c0d8bcc6-5620-dcf8-d462-02083d85c41d AT orange DOT fr>
 <7ea4c66b-5463-dccb-9a19-acd0ffb546c0 AT towo DOT net>
 <0f8c0f14-f978-c487-5702-0fc8a6727ce5 AT towo DOT net>
From: Luc Henninger <luc DOT henninger AT orange DOT fr>
Message-ID: <5df553fb-45cd-f228-c533-69a5db6e81be@orange.fr>
Date: Wed, 1 Apr 2020 22:21:40 +0200
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Le 01/04/2020 =C3=A0 14:24, Thomas Wolff a =C3=A9crit=C2=A0:
> Am 01.04.2020 um 14:20 schrieb Thomas Wolff:
>> Am 01.04.2020 um 13:07 schrieb Luc Henninger:
>>> Hello,
>>>
>>> I have defined the PS1 variable as follow
>>> PS1=3D'\[\e]0;\w\a\]\[\e[32m\]\u@\h \[\e[35m\]\w\[\e[0m\]\n\$ '
>>> so that the cur dir is set as title of the window.
>>>
>>> This generally work for both mintty or cmd.
>>> But after the sequence
>>> =C2=A0 Luc AT Mulan ~
>>> =C2=A0 $ emacs &
>>> =C2=A0 [1] 371
>>> =C2=A0 Luc AT Mulan ~
>>> =C2=A0 $ cd bin
>>> =C2=A0 Luc AT Mulan ~/bin
>>> =C2=A0 $
>>> the title of the mintty widow remain to "~".
>>>
>>> The same sequence with cmd window change the title to "~/bin"
>>>
>>> The title is correctly updated only after I close emacs and push a=20
>>> return to the main window.
>>>
>>> Any explanation? Thanks
>> Noted first, this is in any case not a mintty issue as mintty updates=20
>> the title whenever it receives the respective escape sequence. The=20
>> scenario sounds weird, however. Is the background process=20
>> continuously sending title escape sequences? But 'emacs &' looks like=20
>> you're starting a GUI instance of emacs, right? So why should it?
> Try to isolate the background instance from the terminal:
> emacs > /dev/null 2>&1 &
>
Even if your proposal solve the issue, I have a question of what's=20
append in the two different cases.

I use the same sequence (1/ cd ztry 2/ launch emacs ("emacs &" or "emacs=20
 > /dev/null 2>&1 &" 3/ cd .. 4/ exit emacs 5/ newline 6/ ^D) with=20
mintty configure for logs.

The log for the first case (mintty1459.log) is strongly longer that the=20
second one (mintty1470.log). It look like the wall window content is=20
rewritten each time a line is added.

I would appreciate if someone can give me some explanation. It look like=20
that I have the same kind of behavior with other program (i.e. scala=20
repl or sbt)

Thanks

--=20
Luc DOT Henninger AT orange DOT fr    +33 6 32 96 32 27


--=20
L'absence de virus dans ce courrier =C3=A9lectronique a =C3=A9t=C3=A9 v=C3=
=A9rifi=C3=A9e par le logiciel antivirus Avast.
https://www.avast.com/antivirus

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