feat: create "resolve_path" for smart_unpack to deal with rename

src/utils/fs.rs

@@ -34,6 +34,24 @@ pub fn clear_path(path: &Path, question_policy: QuestionPolicy) -> crate::Result
     Ok(true)
 }
 
+pub fn resolve_path(path: &Path, question_policy: QuestionPolicy) -> crate::Result<Option<PathBuf>> {
+    if path.exists() {
+        match user_wants_to_overwrite(path, question_policy)? {
+            FileConflitOperation::Cancel => return Ok(None),
+            FileConflitOperation::Overwrite => {
+                remove_file_or_dir(path)?;
+                Ok(Some(path.to_path_buf()))
+            },
+            FileConflitOperation::Rename => {
+                let renamed_path = rename_for_available_filename(path);
+                Ok(Some(renamed_path))
+            },
+        }
+    } else {
+        Ok(Some(path.to_path_buf()))
+    }
+}
+
 pub fn remove_file_or_dir(path: &Path) -> crate::Result<()> {
     if path.is_dir() {
         fs::remove_dir_all(path)?;

src/utils/question.rs

@@ -46,16 +46,13 @@ pub enum FileConflitOperation {
 }
 
 /// Check if QuestionPolicy flags were set, otherwise, ask user if they want to overwrite.
-pub fn user_wants_to_overwrite(path: &Path, question_policy: QuestionPolicy) -> crate::Result<bool> {
+pub fn user_wants_to_overwrite(path: &Path, question_policy: QuestionPolicy) -> crate::Result<FileConflitOperation> {
+    use FileConflitOperation as Op;
+
     match question_policy {
-        QuestionPolicy::AlwaysYes => Ok(true),
-        QuestionPolicy::AlwaysNo => Ok(false),
-        QuestionPolicy::Ask => {
-            let path = path_to_str(strip_cur_dir(path));
-            let path = Some(&*path);
-            let placeholder = Some("FILE");
-            Confirmation::new("Do you want to overwrite 'FILE'?", placeholder).ask(path)
-        }
+        QuestionPolicy::AlwaysYes => Ok(Op::Overwrite),
+        QuestionPolicy::AlwaysNo => Ok(Op::Cancel),
+        QuestionPolicy::Ask => ask_file_conflict_operation(path),
     }
 }