install: options support non-ut8 too

src/uu/install/src/install.rs

@@ -569,13 +569,17 @@ fn standard(mut paths: Vec<OsString>, b: &Behavior) -> UResult<()> {
         if let Some(to_create) = to_create {
             // if the path ends in /, remove it
             let to_create_owned;
-            let to_create = if to_create.to_string_lossy().ends_with('/') {
+            let to_create = match uucore::os_str_as_bytes(to_create.as_os_str()) {
-                let path_str = to_create.to_string_lossy();
+                Ok(path_bytes) if path_bytes.ends_with(b"/") => {
-                let trimmed = path_str.trim_end_matches('/');
+                    let mut trimmed_bytes = path_bytes;
-                to_create_owned = PathBuf::from(trimmed);
+                    while trimmed_bytes.ends_with(b"/") {
-                to_create_owned.as_path()
+                        trimmed_bytes = &trimmed_bytes[..trimmed_bytes.len() - 1];
-            } else {
+                    }
-                to_create
+                    let trimmed_os_str = std::ffi::OsStr::from_bytes(trimmed_bytes);
+                    to_create_owned = PathBuf::from(trimmed_os_str);
+                    to_create_owned.as_path()
+                }
+                _ => to_create,
             };
 
             if !to_create.exists() {

tests/by-util/test_install.rs

@@ -2380,4 +2380,14 @@ fn test_install_non_utf8_paths() {
     at.mkdir(dest_dir);
 
     ucmd.arg(&source_filename).arg(dest_dir).succeeds();
+
+    // Test with trailing slash and directory creation (-D flag)
+    let (at, mut ucmd) = at_and_ucmd!();
+    let source_file = "source.txt";
+    let mut target_path = std::ffi::OsString::from_vec(vec![0xFF, 0xFE, b'd', b'i', b'r']);
+    target_path.push("/target.txt");
+
+    at.touch(source_file);
+
+    ucmd.arg("-D").arg(source_file).arg(&target_path).succeeds();
 }