X-Recipient: archive-cygwin AT delorie DOT com
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org C8D91384BC03
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cygwin.com;
	s=default; t=1586947930;
	bh=WeqP/Tym4dYfZoTyYCyZloyzGQe6Qyk66ZDRPjOa/dE=;
	h=References:In-Reply-To:Date:Subject:To:List-Id:List-Unsubscribe:
	 List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:Cc:
	 From;
	b=bLZLBjxazUqI5ka5OxfUs6EdzcvIC8qdrDMgNUlZwXgyy4ywkMcL6mEe50/o2uJbK
	 wXNLJSmVFm7rR8AsEg/EoEYg8fYIixI19KXlh3Xfp+oCTBgVF+SLfC3LyIgxlztRKA
	 C/wZNtitHxQmSsjAodbbkxbgsWt2ewOSkqeo+4ds=
X-Original-To: cygwin AT cygwin DOT com
Delivered-To: cygwin AT cygwin DOT com
DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 02DE2385DC1C
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
 d=1e100.net; s=20161025;
 h=x-gm-message-state:mime-version:references:in-reply-to:from:date
 :message-id:subject:to:cc;
 bh=qBTPhmI32wbv8Nn8HaSarTijum8a1qsO9LoNnCIhuNE=;
 b=tlIV/61VKsKgk4BHAXbJzE39KfjHVn4/uFYpijA3H5qsAXSQiDvL30fR05OvxUL7lA
 Ax2f3kFt6hL2UoqvHXd5oj1ybY9WpOJ5hzIYJEmIC59FoB71n8/GKNXUFDdNXnrAVxP0
 voY9hm83kEVoXoNrXeSS4BVkoOehZOoP0tiGau1NB529ZwJx8i8P9W8MLeS87BozZ005
 OaHW3sjPIim1tPPAVNgRNb7+3hQEDO+H+gtPhoDF+37sj3TvoKLQSlHxgizfh9OJxqnL
 D8takNO/VNP43ETiKGXJVO+yauZJ30MU7dW1rhMWSr00QFB2ho+f6j5Wl2rMsAC5EBZC
 UVjA==
X-Gm-Message-State: AGi0PuYRDnANFXO1EXFr+ryXX8z+C59GbrbAjiodsuWxYi1lkwTL2/YQ
 sBQsC6BNNCCbagsGJ6HHiIePWhIf2T6hpxf7taA=
X-Google-Smtp-Source: APiQypLTjjKkFWEVIT0EtrogbBXkDIlasbOufO1k98Lahj8tqj9t9i4lYN9EhbJrhHnuMAue8RMRepob9nOznSBqT4A=
X-Received: by 2002:a1c:c2d6:: with SMTP id s205mr4862600wmf.90.1586947926596; 
 Wed, 15 Apr 2020 03:52:06 -0700 (PDT)
MIME-Version: 1.0
References: <CACac1F9BvE0nqGru8=NxA7pc=6VPF_sokUPS94Wr1NfRQeLN5w AT mail DOT gmail DOT com>
In-Reply-To: <CACac1F9BvE0nqGru8=NxA7pc=6VPF_sokUPS94Wr1NfRQeLN5w@mail.gmail.com>
Date: Wed, 15 Apr 2020 12:51:53 +0200
Message-ID: <CAEhDDbBUcV3HmoCwraH7pY5c19Sj=mRZ6ofCOZL3T9qx_4qq6w@mail.gmail.com>
Subject: Re: Can I find where cygwin is installed (for automation purposes)
To: Paul Moore <p DOT f DOT moore AT gmail DOT com>
X-Spam-Status: No, score=-0.6 required=5.0 tests=BAYES_00, DKIM_SIGNED,
 DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, HTML_MESSAGE,
 RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS,
 TXREP autolearn=ham autolearn_force=no version=3.4.2
X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on
 server2.sourceware.org
X-Content-Filtered-By: Mailman/MimeDel 2.1.29
X-BeenThere: cygwin AT cygwin DOT com
X-Mailman-Version: 2.1.29
List-Id: General Cygwin discussions and problem reports <cygwin.cygwin.com>
List-Archive: <https://cygwin.com/pipermail/cygwin/>
List-Post: <mailto:cygwin AT cygwin DOT com>
List-Help: <mailto:cygwin-request AT cygwin DOT com?subject=help>
List-Subscribe: <http://cygwin.com/mailman/listinfo/cygwin>,
 <mailto:cygwin-request AT cygwin DOT com?subject=subscribe>
From: Csaba Raduly via Cygwin <cygwin AT cygwin DOT com>
Reply-To: Csaba Raduly <rcsaba AT gmail DOT com>
Cc: cygwin list <cygwin AT cygwin DOT com>
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Sender: "Cygwin" <cygwin-bounces AT cygwin DOT com>

Hi Paul,

On Wed, Apr 15, 2020 at 12:30 PM Paul Moore via Cygwin <cygwin AT cygwin DOT com>
wrote:

> I'm trying to write an automation script that works on a number of
> machines. I know that on all machines Cygwin will be installed, but I
> cannot guarantee that (1) it will be in the same location on each PC,
> or (2) that it will be in PATH.
>
> There's HKCU\Software\Cygwin\Installations, but that seems to use \??
> prefixes on the PATH, which I'm not sure how to interpret
>
On my machine, I have a

HKEY_LOCAL_MACHINE\SOFTWARE\Cygwin\setup

key, which contains a string value named "rootdir" with the date
"C:\cygwin64".

Csaba

-- 
You can get very substantial performance improvements
by not doing the right thing. - Scott Meyers, An Effective C++11/14 Sampler
So if you're looking for a completely portable, 100% standards-conformant
way
to get the wrong information: this is what you want. - Scott Meyers
(C++TDaWYK)
--
Problem reports:      https://cygwin.com/problems.html
FAQ:                  https://cygwin.com/faq/
Documentation:        https://cygwin.com/docs.html
Unsubscribe info:     https://cygwin.com/ml/#unsubscribe-simple