Re: [ANNOUNCEMENT] TEST: Cygwin 3.0.0-0.1

[Corinna Vinschen <corinna-cygwin at cygwin dot com>]

On Jan 30 14:18, Corinna Vinschen wrote:
> On Jan 30 12:43, Christian Franke wrote:
> > Corinna Vinschen wrote:
> > > I uploaded a new Cygwin test release 3.0.0-0.1
> > > 
> > > ...
> > > What's new:
> > > -----------
> > > 
> > > ...
> > > 
> > > - Support for case sensitive directories.  mkdir(2) automatically
> > >    creates directories within the Cygwin installation dir as case
> > >    sensitive now.
> > > 
> > >    This feature requires Windows 10 1803 or later and WSL installed!
> > 
> > Before enabling WSL and relying on this new feature, users should check
> > their backup tool. Some tools fail if a directory contains names which
> > differ only in letter case. I don't know whether this may also happen if a
> > case sensitive directory simply exists.
> > 
> > At least Windows' own imaging tool dism.exe is affected. It is used for
> > example by c't-WIMage (https://heise.de/-3863074, German). This cmd script
> > creates compact incremental backups of the system partition in install.wim
> > files. Depending on the version of dism.exe, the failure occurs during image
> > creation or (even worse) during restore.
> > 
> > I have also seen a report that some Paragon imaging tool is affected.
> 
> Good point.  To expand a bit on the above text:
> 
> To reduce side-effects, case-sensitive subdirs are *only* created with
                                                                   ^^^^^^
====>                                                              within


> the Cygwin installation directory.  Outside, on the rest of the system,
> Cygwin won't do that and just rely on the standard case-sensitivity
> settings per
> 
> https://cygwin.com/cygwin-ug-net/using-specialnames.html#pathnames-casesensitive
> 
> Which reminds me... I guess I have to tweak the documentation.


Corinna

-- 
Corinna Vinschen
Cygwin Maintainer

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