mkdir: skip setting dir permissions on windows

src/uu/mkdir/src/mkdir.rs

@@ -179,6 +179,7 @@ fn chmod(_path: &Path, _mode: u32) -> UResult<()> {
     Ok(())
 }
 
+#[allow(unused_variables)]
 fn create_dir(path: &Path, recursive: bool, verbose: bool, is_parent: bool) -> UResult<()> {
     if path.exists() && !recursive {
         return Err(USimpleError::new(
@@ -207,6 +208,7 @@ fn create_dir(path: &Path, recursive: bool, verbose: bool, is_parent: bool) -> U
                     path.quote()
                 );
             }
+            #[cfg(not(windows))]
             if is_parent {
                 // directories created by -p have permission bits set to '=rwx,u+wx',
                 // which is umask modified by 'u+wx'

tests/by-util/test_mkdir.rs

@@ -84,13 +84,13 @@ fn test_mkdir_parent_mode() {
     assert!(at.dir_exists("a"));
     // parents created by -p have permissions set to "=rwx,u+wx"
     assert_eq!(
-        at.metadata("a").permissions().mode(),
+        at.metadata("a").permissions().mode() as mode_t,
         ((!default_umask & 0o777) | 0o300) + 0o40000
     );
     assert!(at.dir_exists("a/b"));
     // sub directory's permission is determined only by the umask
     assert_eq!(
-        at.metadata("a/b").permissions().mode(),
+        at.metadata("a/b").permissions().mode() as mode_t,
         (!default_umask & 0o777) + 0o40000
     );
 
@@ -118,17 +118,17 @@ fn test_mkdir_parent_mode_check_existing_parent() {
     assert!(at.dir_exists("a"));
     // parent dirs that already exist do not get their permissions modified
     assert_eq!(
-        at.metadata("a").permissions().mode(),
+        at.metadata("a").permissions().mode() as mode_t,
         (!default_umask & 0o777) + 0o40000
     );
     assert!(at.dir_exists("a/b"));
     assert_eq!(
-        at.metadata("a/b").permissions().mode(),
+        at.metadata("a/b").permissions().mode() as mode_t,
         ((!default_umask & 0o777) | 0o300) + 0o40000
     );
     assert!(at.dir_exists("a/b/c"));
     assert_eq!(
-        at.metadata("a/b/c").permissions().mode(),
+        at.metadata("a/b/c").permissions().mode() as mode_t,
         (!default_umask & 0o777) + 0o40000
     );