cp: disabled verbose output if file has been skipped

src/uu/cp/src/cp.rs

@@ -287,6 +287,13 @@ pub struct Options {
     pub progress_bar: bool,
 }
 
+/// Enum representing if a file has been skipped.
+#[derive(Clone, Copy, Debug, PartialEq, Eq)]
+enum PerformedAction {
+    Copied,
+    Skipped,
+}
+
 /// Enum representing various debug states of the offload and reflink actions.
 #[derive(Debug)]
 #[allow(dead_code)] // All of them are used on Linux
@@ -1974,7 +1981,7 @@ fn handle_copy_mode(
     source_in_command_line: bool,
     source_is_fifo: bool,
     #[cfg(unix)] source_is_stream: bool,
-) -> CopyResult<()> {
+) -> CopyResult<PerformedAction> {
     let source_is_symlink = source_metadata.is_symlink();
 
     match options.copy_mode {
@@ -2043,7 +2050,7 @@ fn handle_copy_mode(
                             println!("skipped {}", dest.quote());
                         }
 
-                        return Ok(());
+                        return Ok(PerformedAction::Skipped);
                     }
                     update_control::UpdateMode::ReplaceNoneFail => {
                         return Err(Error::Error(format!("not replacing '{}'", dest.display())));
@@ -2054,7 +2061,7 @@ fn handle_copy_mode(
                         let src_time = source_metadata.modified()?;
                         let dest_time = dest_metadata.modified()?;
                         if src_time <= dest_time {
-                            return Ok(());
+                            return Ok(PerformedAction::Skipped);
                         } else {
                             options.overwrite.verify(dest, options.debug)?;
 
@@ -2096,7 +2103,7 @@ fn handle_copy_mode(
         }
     };
 
-    Ok(())
+    Ok(PerformedAction::Copied)
 }
 
 /// Calculates the permissions for the destination file in a copy operation.
@@ -2322,7 +2329,7 @@ fn copy_file(
     #[cfg(not(unix))]
     let source_is_stream = false;
 
-    handle_copy_mode(
+    let performed_action = handle_copy_mode(
         source,
         dest,
         options,
@@ -2335,7 +2342,7 @@ fn copy_file(
         source_is_stream,
     )?;
 
-    if options.verbose {
+    if options.verbose && performed_action != PerformedAction::Skipped {
         print_verbose_output(options.parents, progress_bar, source, dest);
     }
 

tests/by-util/test_cp.rs

@@ -439,6 +439,29 @@ fn test_cp_arg_update_older_dest_not_older_than_src() {
     assert_eq!(at.read(new), "new content\n");
 }
 
+#[test]
+fn test_cp_arg_update_older_dest_not_older_than_src_no_verbose_output() {
+    let (at, mut ucmd) = at_and_ucmd!();
+
+    let old = "test_cp_arg_update_dest_not_older_file1";
+    let new = "test_cp_arg_update_dest_not_older_file2";
+    let old_content = "old content\n";
+    let new_content = "new content\n";
+
+    at.write(old, old_content);
+    at.write(new, new_content);
+
+    ucmd.arg(old)
+        .arg(new)
+        .arg("--verbose")
+        .arg("--update=older")
+        .succeeds()
+        .no_stderr()
+        .no_stdout();
+
+    assert_eq!(at.read(new), "new content\n");
+}
+
 #[test]
 fn test_cp_arg_update_older_dest_older_than_src() {
     let (at, mut ucmd) = at_and_ucmd!();
@@ -464,6 +487,32 @@ fn test_cp_arg_update_older_dest_older_than_src() {
     assert_eq!(at.read(old), "new content\n");
 }
 
+#[test]
+fn test_cp_arg_update_older_dest_older_than_src_with_verbose_output() {
+    let (at, mut ucmd) = at_and_ucmd!();
+
+    let old = "test_cp_arg_update_dest_older_file1";
+    let new = "test_cp_arg_update_dest_older_file2";
+    let old_content = "old content\n";
+    let new_content = "new content\n";
+
+    let mut f = at.make_file(old);
+    f.write_all(old_content.as_bytes()).unwrap();
+    f.set_modified(std::time::UNIX_EPOCH).unwrap();
+
+    at.write(new, new_content);
+
+    ucmd.arg(new)
+        .arg(old)
+        .arg("--verbose")
+        .arg("--update=older")
+        .succeeds()
+        .no_stderr()
+        .stdout_is(format!("'{new}' -> '{old}'\n"));
+
+    assert_eq!(at.read(old), "new content\n");
+}
+
 #[test]
 fn test_cp_arg_update_short_no_overwrite() {
     // same as --update=older