main: Make ouch return 1 upon failure

src/main.rs

@@ -11,37 +11,22 @@ mod utils;
 mod compressors;
 mod decompressors;
 
+use evaluator::Evaluator;
+
 fn main() -> error::OuchResult<()> {
     let print_error = |err| {
         println!("{}", err);
+        err
     };
 
     let matches = cli::get_matches();
-    cli::Command::try_from(matches)
+    let command = match cli::Command::try_from(matches) {
-        .map(|command| evaluator::Evaluator::evaluate(command).unwrap_or_else(print_error))
+        Ok(command) => command,
-        .unwrap_or_else(print_error);
+        Err(err) => return Err(print_error(err))
+    };
 
-    Ok(())
+    match Evaluator::evaluate(command) {
+        Ok(_) => Ok(()),
+        Err(err) => Err(print_error(err))
+    }
 }
-
-// fn main() -> error::OuchResult<()> {
-//     use tar::{Builder};
-//     use walkdir::WalkDir;
-//
-//     let mut b = Builder::new(Vec::new());
-//
-//     for entry in WalkDir::new("src") {
-//         let entry = entry?;
-//         let mut file = std::fs::File::open(entry.path())?;
-//         b.append_file(entry.path(), &mut file)?;
-//     }
-//
-//     // let mut file = std::fs::File::open("Cargo.toml")?;
-//     // b.append_file("Cargo.toml", &mut file)?;
-//
-//     let bytes = b.into_inner()?;
-//
-//     std::fs::write("daaaaamn.tar", bytes)?;
-//
-//     Ok(())
-// }