refactor: less nesting

src/main.rs

@@ -48,35 +48,39 @@ fn main() {
 	let mut last_command = shell::last_command_expanded_alias(&shell);
 	let mut error_msg = command_output(&shell, &last_command);
 	loop {
-		let corrected_command = suggestions::suggest_command(&shell, &last_command, &error_msg);
+		let suggestion = {
+			let command = suggestions::suggest_command(&shell, &last_command, &error_msg);
+			if command.is_none() {
+				break;
+			};
+			command.unwrap()
+		};
 
-		if let Some(corrected_command) = corrected_command {
+		let highlighted_suggestion = {
-			let command_difference =
+			let deffirence = highlight_difference(&shell, &suggestion, &last_command);
-				highlight_difference(&shell, &corrected_command, &last_command);
+			if deffirence.is_none() {
-			if let Some(highlighted_command) = command_difference {
+				break;
-				let execution = suggestions::confirm_suggestion(
+			};
-					&shell,
+			deffirence.unwrap()
-					&corrected_command,
+		};
-					&highlighted_command,
+
-				);
+		let execution =
+			suggestions::confirm_suggestion(&shell, &suggestion, &highlighted_suggestion);
 		if execution.is_ok() {
 			return;
 		} else {
-					last_command = corrected_command;
+			last_command = suggestion;
 			error_msg = execution.err().unwrap();
 
 			let retry_message = format!("{}...", t!("retry"));
 
-					// println!("\n{} {}", "ERROR:".red().bold(), msg);
 			eprintln!("\n{}\n", retry_message.cyan().bold());
 		}
-			} else {
-				break;
-			}
-		} else {
-			break;
-		}
 	}
 	eprintln!("{}: {}\n", t!("no-suggestion"), last_command.red());
-	eprintln!("{}\n{}", t!("contribute"), "https://github.com/iffse/pay-respects");
+	eprintln!(
+		"{}\n{}",
+		t!("contribute"),
+		"https://github.com/iffse/pay-respects"
+	);
 }

src/shell.rs

@@ -29,7 +29,7 @@ pub fn command_output(shell: &str, command: &str) -> String {
 		Ok(output) => match output.stderr.is_empty() {
 			true => String::from_utf8_lossy(&output.stdout).to_lowercase(),
 			false => String::from_utf8_lossy(&output.stderr).to_lowercase(),
-		}
+		},
 		Err(_) => {
 			use colored::*;
 			eprintln!("Timeout while executing command: {}", command.red());