[newlib-cygwin/main] Cygwin: chattr: clarify requirements for casesensitive directories

[newlib-cygwin/main] Cygwin: chattr: clarify requirements for casesensitive directories

[Corinna Vinschen]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=fc6e89c937c1bcdf2b0efc6806e29960c448b756

commit fc6e89c937c1bcdf2b0efc6806e29960c448b756
Author:     Corinna Vinschen <corinna@vinschen.de>
AuthorDate: Mon Mar 27 20:39:26 2023 +0200
Commit:     Corinna Vinschen <corinna@vinschen.de>
CommitDate: Mon Mar 27 20:39:26 2023 +0200

    Cygwin: chattr: clarify requirements for casesensitive directories
    
    - Windows 10 requires WSL
    - Windows 11 only allows enabling casesensitivity if dir is empty
    
    Fixes: 0d4b39d37b966 ("Cygwin: Add lsattr and chattr tools")
    Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

Diff:
---
 winsup/doc/utils.xml  | 5 +++--
 winsup/utils/chattr.c | 5 +++--
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/winsup/doc/utils.xml b/winsup/doc/utils.xml
index 522df85b4ec5..a90db5e665ed 100644
--- a/winsup/doc/utils.xml
+++ b/winsup/doc/utils.xml
@@ -89,8 +89,9 @@
 			content indexing service
   'e', 'Encrypted':     file is encrypted
   'C', 'Casesensitive': directory is handled case sensitive
-			(Windows 10 1803 or later, local NTFS only,
-			 WSL must be installed)
+                        - local NTFS only
+                        - Windows 10 1803 or later: requires installed WSL
+                        - Windows 11: enabling requires empty dir
     </screen>
     </refsect1>
   </refentry>
diff --git a/winsup/utils/chattr.c b/winsup/utils/chattr.c
index e3ab1fba8044..2438d79b482b 100644
--- a/winsup/utils/chattr.c
+++ b/winsup/utils/chattr.c
@@ -265,8 +265,9 @@ usage (FILE *stream)
       "                        content indexing service\n"
       "  'e', 'Encrypted':     file is encrypted\n"
       "  'C', 'Casesensitive': directory is handled case sensitive\n"
-      "                        (Windows 10 1803 or later, local NTFS only,\n"
-      "                         WSL must be installed)\n");
+      "                        - local NTFS only\n"
+      "                        - Windows 10 1803 or later: requires installed WSL\n"
+      "                        - Windows 11: enabling requires empty dir\n");
   exit (stream == stdout ? 0 : 1);
 }