linux-kernel - Re: [F.A.Q.] the advantages of a shared tool/kernel Git repository, tools/perf/ and tools/kvm/

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Date:	Thu, 10 Nov 2011 09:39:00 +0100
From:	Gerd Hoffmann <kraxel@...hat.com>
To:	Jim Paris <jim@...n.com>
CC:	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Ingo Molnar <mingo@...e.hu>, Theodore Tso <tytso@....edu>,
	Anthony Liguori <anthony@...emonkey.ws>,
	Pekka Enberg <penberg@...nel.org>,
	Vince Weaver <vince@...ter.net>, Avi Kivity <avi@...hat.com>,
	"kvm@...r.kernel.org list" <kvm@...r.kernel.org>,
	"linux-kernel@...r.kernel.org List" <linux-kernel@...r.kernel.org>,
	qemu-devel Developers <qemu-devel@...gnu.org>,
	Alexander Graf <agraf@...e.de>,
	Blue Swirl <blauwirbel@...il.com>,
	Américo Wang <xiyou.wangcong@...il.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: [F.A.Q.] the advantages of a shared tool/kernel Git repository,
 tools/perf/ and tools/kvm/

  Hi,

>>> As far I know it is pretty much impossible to figure the
>>> foreground/background colors of the terminal you are running on.  You
>>
>> Glad to hear that, I thought I hadn't researched that much (I did). Hope
>> somebody appears and tell us how it is done :-)
> 
> In xterm, '\e]10;?\e\\' and '\e]11;?\e\\' will report the colors, e.g.:
> 
> #!/bin/bash
>   read -s -r -d \\ -p `printf '\e]10;?\e\\'` -t 1 fg
>   [ $? -ne 0 ] && fg="no response"
>   echo "foreground: $fg" | cat -v
>   read -s -r -d \\ -p `printf '\e]11;?\e\\'` -t 1 bg
>   [ $? -ne 0 ] && bg="no response"
>   echo "background: $bg" | cat -v

Works fine in xterm.  Neither gnome-terminal (i.e. vte widget) nor
konsole support this though.

cheers,
  Gerd
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