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Date: Sun, 14 Dec 2025 13:58:17 +0100
To: cygwin@cygwin.com
Subject: Re: Cygwin /usr/bin/getconf CASE_INSENSITIVE /path does not
 recognise case-sensitive filesystems...
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From: Corinna Vinschen via Cygwin <cygwin@cygwin.com>
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Cc: Corinna Vinschen <corinna-cygwin@cygwin.com>
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On Dec 11 23:06, Roland Mainz via Cygwin wrote:
> Hi!
> 
> ----
> 
> I got a couple of bugreports that Cygwin $ getconf CASE_INSENSITIVE
> /path # does not work and always reports that the filesystem is
> case-insensitive - which is not true for NFSv3, and usually not true
> for NFSv4.1 filesystems coming from Linux (NFSv4 supports
> case-insensitive filesystems, but that is not the issue...)
> 
> Example (/cygdrive/l/ is a case-sensitive filesystem):
> ---- snip ----
> $ getconf CASE_INSENSITIVE /cygdrive/l/builds
> 1
> $ getconf -a /cygdrive/l/builds | fgrep -i case
> CASE_INSENSITIVE                    1

Yes. Case sensitivity is a problem.  It doesn't matter if the
filesystem supports case sensitivity, if the OS or the mount
mode doesn't support case sensitivity.  The above flag is a
result of checking all available information on the matter.

THis may be helpful to understand the problem:
https://cygwin.com/cygwin-ug-net/using-specialnames.html#pathnames-casesensitive


Corinna

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