DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id
	:list-unsubscribe:list-subscribe:list-archive:list-post
	:list-help:sender:message-id:date:from:mime-version:to:subject
	:references:in-reply-to:content-type:content-transfer-encoding;
	 q=dns; s=default; b=kS7afPaTL+DmcEiPYQtWRaex3dVCirHZ3OYuezi16Yj
	my0kV8ofsO1UTuNHpICtTW/LtzPko/gRfOOf+7j627s8IArpzb5pT3SsKoiyo05o
	TObtViO8R29q84Ts8PLJ/m6yNIcP3CgrGnjLZ7ShGiwvm234NfMBmlzING6FI8v4
	=
Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm
Sender: cygwin-owner@cygwin.com
Mail-Followup-To: cygwin@cygwin.com
Message-ID: <51C0ECBF.9020807@etr-usa.com>
Date: Tue, 18 Jun 2013 17:26:55 -0600
From: Warren Young <warren@etr-usa.com>
User-Agent: Mozilla/5.0 (Windows NT 6.2; WOW64; rv:17.0) Gecko/20130509 Thunderbird/17.0.6
MIME-Version: 1.0
To: Cygwin-L <cygwin@cygwin.com>
Subject: Re: Adding MSYS functionality to Cygwin
References: <CABEPuQJDLjtbcLig1isTUJgb6RBCD8LNShbm9mTPcb9WM5S5fw@mail.gmail.com>	<51C0B08E.8080900@etr-usa.com> <CABEPuQJJpRfPKSwZ7M0eTOdp1HxDcmvuy1=qXFHBw-8kLkZ1ZQ@mail.gmail.com> <51C0D956.4090905@etr-usa.com>
In-Reply-To: <51C0D956.4090905@etr-usa.com>
Content-Type: text/plain; charset=KOI8-R; format=flowed
Content-Transfer-Encoding: 7bit

On 6/18/2013 16:04, Warren Young wrote:
> You're proposing some kind of global search-and-replace
> operation, which will inevitably turn into a Whac-a-Mole game.

I just thought of an example.  How many POSIX paths are in this 
perfectly legal command, which invokes a native Windows executable?

     $ xcopy /bin foo bar

The wrong answer is, "three."

Now tell me how cygwin1.dll is expected to realize it should only 
translate the final two arguments to xcopy.

--
Problem reports:       http://cygwin.com/problems.html
FAQ:                   http://cygwin.com/faq/
Documentation:         http://cygwin.com/docs.html
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple