ls: Escape dirname in recursive mode when it has a colon

src/uu/ls/src/ls.rs

@@ -2037,12 +2037,22 @@ impl PathData {
 }
 
 fn show_dir_name(path_data: &PathData, out: &mut BufWriter<Stdout>, config: &Config) {
-    if config.hyperlink && !config.dired {
+    let (name, has_colon) = if config.hyperlink && !config.dired {
         let name = escape_name(path_data.p_buf.as_os_str(), &config.quoting_style);
         let hyperlink = create_hyperlink(&name, path_data);
-        write!(out, "{}:", hyperlink).unwrap();
+        (hyperlink, name.contains(':'))
     } else {
-        write!(out, "{}:", path_data.p_buf.display()).unwrap();
+        let name = path_data.p_buf.display().to_string();
+        let has_colon = name.contains(':');
+        (name, has_colon)
+    };
+
+    // if there is a colon in the dirname, add quotes to escape it.
+    // See https://github.com/uutils/coreutils/issues/6554
+    if has_colon {
+        write!(out, "'{}':", name).unwrap();
+    } else {
+        write!(out, "{}:", name).unwrap();
     }
 }
 
@@ -2327,9 +2337,10 @@ fn enter_directory(
         for e in entries
             .iter()
             .skip(if config.files == Files::All { 2 } else { 0 })
-            .filter(|p| p.ft.get().is_some())
-            .filter(|p| p.ft.get().unwrap().is_some())
-            .filter(|p| p.ft.get().unwrap().unwrap().is_dir())
+            .filter(|p| {
+                p.ft.get()
+                    .is_some_and(|o_ft| o_ft.is_some_and(|ft| ft.is_dir()))
+            })
         {
             match fs::read_dir(&e.p_buf) {
                 Err(err) => {