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Cygwin: chattr: fix description of requirements for casesensitive directories 

Preconditions of WSL or empty directories dependent on Windows
versions was totally screwed up.  Drop the description from
--help, describe the preconditions for case-sensitive dirs in the
man page instead.

Fixes: fc6e89c937 ("Cygwin: chattr: clarify requirements for casesensitive directories")
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
This commit is contained in:
Corinna Vinschen 2023-04-03 22:41:07 +02:00
parent cc8404039f
commit be2749cd4e
2 changed files with 20 additions and 7 deletions
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22
winsup/doc/utils.xml
View File

@ -89,11 +89,27 @@
content indexing service
'e', 'Encrypted': file is encrypted
'C', 'Casesensitive': directory is handled case sensitive
- local NTFS only
- Windows 10 1803 or later: requires installed WSL
- Windows 11: enabling requires empty dir
</screen>
</refsect1>
<refsect1 id="chattr-Cprec">
<title>Case-sensitive directories</title>
<para>Case-sensitive directories are supported starting with
Windows 10 1803. They are only supported on local NTFS filesystems.
</para>
<para>The system-wide availability of case-sensitive directories
depends on the setting of the registry value of type DWORD called
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\FileSystem\NtfsEnableDirCaseSensitivity. The value 0 disables case-sensitive directories.
The value 1 enables case-sensitive directories. The value 3
enables case-sensitive directories, too, with the additional
requirement that a directory can only be set to case-sensitive
if it's empty. No other value is supported.</para>
<para>Removing case-sensitivity on a directory requires that the
directory does not contain files only differing by case.</para>
<para>Trying to access a case-sensitive directory on a remote NTFS leads
to all kinds of weird errors and is therefore
<emphasis>not</emphasis> recommended.</para>
</refsect1>
</refentry>
<refentry id="cygcheck">

5
winsup/utils/chattr.c
View File

@ -264,10 +264,7 @@ usage (FILE *stream)
" 'n', 'Notindexed': file or directory is not to be indexed by the\n"
" content indexing service\n"
" 'e', 'Encrypted': file is encrypted\n"
" 'C', 'Casesensitive': directory is handled case sensitive\n"
" - local NTFS only\n"
" - Windows 10 1803 or later: requires installed WSL\n"
" - Windows 11: enabling requires empty dir\n");
" 'C', 'Casesensitive': directory is handled case sensitive\n");
exit (stream == stdout ? 0 : 1);
}