X-Recipient: archive-cygwin AT delorie DOT com
DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id
	:list-unsubscribe:list-subscribe:list-archive:list-post
	:list-help:sender:subject:to:references:from:message-id:date
	:mime-version:in-reply-to:content-type
	:content-transfer-encoding; q=dns; s=default; b=PYaq/GmAL2SlEqvI
	W6bR4IdZTF8GEWebs0gjk2+iEpVxauOrr4kMoBppyATk8RLUhq+E9tWcV3D3gANf
	n8ljUs9rFd0AhIS1nn7m+f9PoALm8FGJJgBfc2rZVsz/OgzC0bN48eo0ZQQAZUla
	bVyrC3Fgt76CxvnUDu3Du1YulK8=
DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id
	:list-unsubscribe:list-subscribe:list-archive:list-post
	:list-help:sender:subject:to:references:from:message-id:date
	:mime-version:in-reply-to:content-type
	:content-transfer-encoding; s=default; bh=o5kvYJf5wAhLxnG8xwBpyK
	BSNFQ=; b=MN8ziDjZB1qC1WszpKZw81Hv3dtyCRoTjOhSFY9ZiFx400+pCpMgNX
	86qU0co9kC47awP3bzQJJqGdT0ebq9j9/HGXX6is/Xdc3N7cOTSCF7u/eGfhrpJ8
	n2XWG6rOOgIHt/ZmGoLrHhQ+LA4ujK83d3uxUBLV7/vC2zDcj/Xb8=
Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Id: <cygwin.cygwin.com>
List-Subscribe: <mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive: <http://sourceware.org/ml/cygwin/>
List-Post: <mailto:cygwin AT cygwin DOT com>
List-Help: <mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender: cygwin-owner AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
Delivered-To: mailing list cygwin AT cygwin DOT com
Authentication-Results: sourceware.org; auth=none
X-Virus-Found: No
X-Spam-SWARE-Status: No, score=-4.7 required=5.0 tests=AWL,BAYES_00,RP_MATCHES_RCVD,SPF_HELO_PASS,SPF_PASS autolearn=ham version=3.3.2 spammy=H*i:sk:6aa79b3, cited, H*MI:sk:6aa79b3, H*f:sk:6aa79b3
X-HELO: limerock01.mail.cornell.edu
X-CornellRouted: This message has been Routed already.
Subject: Re: case sensitivity bug?
To: cygwin AT cygwin DOT com
References: <43ca1dd7-3042-88b1-dbb7-59b02f13d331 AT cornell DOT edu> <6aa79b30-fa27-c5b6-e597-d40b82eee313 AT SystematicSw DOT ab DOT ca>
From: Ken Brown <kbrown AT cornell DOT edu>
Message-ID: <f1ee00f8-6d2b-a4dd-ca7e-6dca9c0c8552@cornell.edu>
Date: Wed, 21 Sep 2016 12:59:31 -0400
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.3.0
MIME-Version: 1.0
In-Reply-To: <6aa79b30-fa27-c5b6-e597-d40b82eee313@SystematicSw.ab.ca>
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Transfer-Encoding: 7bit
X-PMX-Cornell-Gauge: Gauge=XXXXX
X-PMX-CORNELL-AUTH-RESULTS: dkim-out=none;
X-IsSubscribed: yes

On 9/21/2016 12:32 PM, Brian Inglis wrote:
> On 2016-09-20 18:33, Ken Brown wrote:
>> I've set up my Cygwin installation to be case sensitive, following the
>> instructions at
>> https://cygwin.com/cygwin-ug-net/using-specialnames.html#pathnames-casesensitive
>>
>> But it doesn't seem to be working as I expect.  For example:
>> $ mkdir a
>> $ mkdir A
>> $ ls -al [aA]
>> a:
>> total 100
>> drwxr-xr-x+ 1 kbrown       None 0 2016-09-20 20:18 ./
>> drwxrwxrwt+ 1 kbrown-admin None 0 2016-09-20 20:19 ../
>> A:
>> total 100
>> drwxr-xr-x+ 1 kbrown       None 0 2016-09-20 20:19 ./
>> drwxrwxrwt+ 1 kbrown-admin None 0 2016-09-20 20:19 ../
>> $ mv a A
>> mv: cannot move 'a' to a subdirectory of itself, 'A/a'
>> Why does mv think that A and a are the same directory?
>> Here's another example, where mv should simply do a rename, but it
>> doesn't:
>> $ rmdir A
>> $ mv a A
>> $ ls -al a
>> total 100
>> drwxr-xr-x+ 1 kbrown       None 0 2016-09-20 20:18 ./
>> drwxrwxrwt+ 1 kbrown-admin None 0 2016-09-20 20:30 ../
>> $ ls -al A
>> ls: cannot access 'A': No such file or directory
>> cygcheck output is attached.
>
> Windows Win32 and WoW are case insensitive but case preserving where the
> underlying
> filesystem supports case sensitivity; POSIX subsystem is case sensitive:
>
> https://support.microsoft.com/en-us/kb/100625 (N.B. NT 3.1!)
>
> Nitty gritties:
>
> http://www.nicklowe.org/2012/02/understanding-case-sensitivity-in-windows-obcaseinsensitive-file_case_sensitive_search/

Thanks for the pointers, but I'm not sure how that's related to my bug 
report.  Did you read the section of the Cygwin User Guide that I cited?

Ken


--
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