Add output of files to be included to archive if verbose flag passed (#62)

* Add output of files to be included to archive if verbose flag passed

* Add test for verbose output

* Fix test

* Fix style

src/uu/tar/src/operations/create.rs

@@ -4,8 +4,9 @@
 // file that was distributed with this source code.
 
 use crate::errors::TarError;
-use std::fs::File;
-use std::path::Path;
+use std::collections::VecDeque;
+use std::fs::{self, File};
+use std::path::{self, Path, PathBuf};
 use tar::Builder;
 use uucore::error::UResult;
 
@@ -42,15 +43,27 @@ pub fn create_archive(archive_path: &Path, files: &[&Path], verbose: bool) -> UR
 
     // Add each file or directory to the archive
     for &path in files {
-        if verbose {
-            println!("{}", path.display());
-        }
-
         // Check if path exists
         if !path.exists() {
             return Err(TarError::FileNotFound(path.display().to_string()).into());
         }
 
+        if verbose {
+            let to_print = get_tree(path)?
+                .iter()
+                .map(|p| (p.is_dir(), p.display().to_string()))
+                .map(|(is_dir, path)| {
+                    if is_dir {
+                        format!("{}{}", path, path::MAIN_SEPARATOR)
+                    } else {
+                        path
+                    }
+                })
+                .collect::<Vec<_>>()
+                .join("\n");
+            println!("{to_print}");
+        }
+
         // If it's a directory, recursively add all contents
         if path.is_dir() {
             builder.append_dir_all(path, path).map_err(|e| {
@@ -79,3 +92,21 @@ pub fn create_archive(archive_path: &Path, files: &[&Path], verbose: bool) -> UR
 
     Ok(())
 }
+
+fn get_tree(path: &Path) -> Result<Vec<PathBuf>, std::io::Error> {
+    let mut paths = Vec::new();
+    let mut stack = VecDeque::new();
+    stack.push_back(path.to_path_buf());
+
+    while let Some(current) = stack.pop_back() {
+        paths.push(current.clone());
+        if current.is_dir() {
+            for entry in fs::read_dir(current)? {
+                let child = entry?.path();
+                stack.push_back(child);
+            }
+        }
+    }
+
+    Ok(paths)
+}

tests/by-util/test_tar.rs

@@ -3,6 +3,8 @@
 // For the full copyright and license information, please view the LICENSE
 // file that was distributed with this source code.
 
+use std::path;
+
 use uutests::{at_and_ucmd, new_ucmd};
 
 // Basic CLI Tests
@@ -30,6 +32,29 @@ fn test_version() {
         .stdout_contains("tar");
 }
 
+#[test]
+fn test_verbose() {
+    let (at, mut ucmd) = at_and_ucmd!();
+
+    let separator = path::MAIN_SEPARATOR;
+    let dir1_path = "dir1";
+    let dir2_path = format!("{dir1_path}{separator}dir2");
+    let file1_path = format!("{dir1_path}{separator}file1.txt");
+    let file2_path = format!("{dir2_path}{separator}file2.txt");
+
+    at.mkdir(dir1_path);
+    at.mkdir(&dir2_path);
+    at.write(&file1_path, "test content 1");
+    at.write(&file2_path, "test content 2");
+
+    ucmd.args(&["-cvf", "archive.tar", dir1_path])
+        .succeeds()
+        .stdout_contains(dir1_path)
+        .stdout_contains(dir2_path)
+        .stdout_contains(file1_path)
+        .stdout_contains(file2_path);
+}
+
 // Create operation tests
 
 #[test]