Merge pull request #219 from Crypto-Spartan/fix-hint-suggestion

Fix the hint suggestion for compressing multiple files

src/commands.rs

@@ -83,10 +83,9 @@ pub fn run(args: Opts, question_policy: QuestionPolicy) -> crate::Result<()> {
  // Breaks if Lzma is .lz or .lzma and not .xz
  // Or if Bzip is .bz2 and not .bz
  let extensions_start_position = output_path.rfind(&extensions_text).unwrap();
- let pos = extensions_start_position;
- let empty_range = pos..pos;
+ let pos = extensions_start_position - 1;
  let mut suggested_output_path = output_path.clone();
- suggested_output_path.replace_range(empty_range, ".tar");
+ suggested_output_path.insert_str(pos, ".tar");
 
  let error = FinalError::with_title(format!("Cannot compress to '{}'.", to_utf(&output_path)))
  .detail("You are trying to compress multiple files.")