Merge pull request #843 from abusch/quit_command
feat: Add "quit" command to `rustlings watch`
This commit is contained in:
diannasoriel
GitHub
commit
4a18bdeefe
122
src/main.rs
122
src/main.rs
@ -10,7 +10,8 @@ use std::fs;
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use std::io::{self, prelude::*};
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use std::path::Path;
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use std::process::{Command, Stdio};
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use std::sync::mpsc::channel;
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use std::sync::atomic::{AtomicBool, Ordering};
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use std::sync::mpsc::{RecvTimeoutError, channel};
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use std::sync::{Arc, Mutex};
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use std::thread;
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use std::time::Duration;
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@ -217,52 +218,60 @@ fn main() {
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}
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Subcommands::Watch(_subargs) => {
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if let Err(e) = watch(&exercises, verbose) {
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println!(
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"Error: Could not watch your progress. Error message was {:?}.",
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e
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);
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println!("Most likely you've run out of disk space or your 'inotify limit' has been reached.");
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std::process::exit(1);
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match watch(&exercises, verbose) {
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Err(e) => {
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println!(
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"Error: Could not watch your progress. Error message was {:?}.",
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e
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);
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println!("Most likely you've run out of disk space or your 'inotify limit' has been reached.");
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std::process::exit(1);
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}
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Ok(WatchStatus::Finished) => {
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println!(
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"{emoji} All exercises completed! {emoji}",
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emoji = Emoji("🎉", "★")
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);
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println!();
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println!("+----------------------------------------------------+");
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println!("| You made it to the Fe-nish line! |");
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println!("+-------------------------- ------------------------+");
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println!(" \\/ ");
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println!(" ▒▒ ▒▒▒▒▒▒▒▒ ▒▒▒▒▒▒▒▒ ▒▒ ");
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println!(" ▒▒▒▒ ▒▒ ▒▒ ▒▒ ▒▒ ▒▒ ▒▒ ▒▒▒▒ ");
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println!(" ▒▒▒▒ ▒▒ ▒▒ ▒▒ ▒▒ ▒▒ ▒▒▒▒ ");
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println!(" ░░▒▒▒▒░░▒▒ ▒▒ ▒▒ ▒▒ ▒▒░░▒▒▒▒ ");
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println!(" ▓▓▓▓▓▓▓▓ ▓▓ ▓▓██ ▓▓ ▓▓██ ▓▓ ▓▓▓▓▓▓▓▓ ");
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println!(" ▒▒▒▒ ▒▒ ████ ▒▒ ████ ▒▒░░ ▒▒▒▒ ");
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println!(" ▒▒ ▒▒▒▒▒▒ ▒▒▒▒▒▒ ▒▒▒▒▒▒ ▒▒ ");
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println!(" ▒▒▒▒▒▒▒▒▒▒▓▓▓▓▓▓▒▒▒▒▒▒▒▒▓▓▒▒▓▓▒▒▒▒▒▒▒▒ ");
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println!(" ▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒ ");
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println!(" ▒▒▒▒▒▒▒▒▒▒██▒▒▒▒▒▒██▒▒▒▒▒▒▒▒▒▒ ");
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println!(" ▒▒ ▒▒▒▒▒▒▒▒▒▒██████▒▒▒▒▒▒▒▒▒▒ ▒▒ ");
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println!(" ▒▒ ▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒ ▒▒ ");
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println!(" ▒▒ ▒▒ ▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒ ▒▒ ▒▒ ");
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println!(" ▒▒ ▒▒ ▒▒ ▒▒ ▒▒ ▒▒ ");
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println!(" ▒▒ ▒▒ ▒▒ ▒▒ ");
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println!();
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println!("We hope you enjoyed learning about the various aspects of Rust!");
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println!(
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"If you noticed any issues, please don't hesitate to report them to our repo."
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);
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println!("You can also contribute your own exercises to help the greater community!");
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println!();
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println!("Before reporting an issue or contributing, please read our guidelines:");
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println!("https://github.com/rust-lang/rustlings/blob/main/CONTRIBUTING.md");
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}
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Ok(WatchStatus::Unfinished) => {
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println!("We hope you're enjoying learning about Rust!");
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println!("If you want to continue working on the exercises at a later point, you can simply run `rustlings watch` again");
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}
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}
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println!(
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"{emoji} All exercises completed! {emoji}",
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emoji = Emoji("🎉", "★")
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);
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println!();
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println!("+----------------------------------------------------+");
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println!("| You made it to the Fe-nish line! |");
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println!("+-------------------------- ------------------------+");
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println!(" \\/ ");
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println!(" ▒▒ ▒▒▒▒▒▒▒▒ ▒▒▒▒▒▒▒▒ ▒▒ ");
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println!(" ▒▒▒▒ ▒▒ ▒▒ ▒▒ ▒▒ ▒▒ ▒▒ ▒▒▒▒ ");
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println!(" ▒▒▒▒ ▒▒ ▒▒ ▒▒ ▒▒ ▒▒ ▒▒▒▒ ");
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println!(" ░░▒▒▒▒░░▒▒ ▒▒ ▒▒ ▒▒ ▒▒░░▒▒▒▒ ");
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println!(" ▓▓▓▓▓▓▓▓ ▓▓ ▓▓██ ▓▓ ▓▓██ ▓▓ ▓▓▓▓▓▓▓▓ ");
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println!(" ▒▒▒▒ ▒▒ ████ ▒▒ ████ ▒▒░░ ▒▒▒▒ ");
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println!(" ▒▒ ▒▒▒▒▒▒ ▒▒▒▒▒▒ ▒▒▒▒▒▒ ▒▒ ");
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println!(" ▒▒▒▒▒▒▒▒▒▒▓▓▓▓▓▓▒▒▒▒▒▒▒▒▓▓▒▒▓▓▒▒▒▒▒▒▒▒ ");
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println!(" ▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒ ");
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println!(" ▒▒▒▒▒▒▒▒▒▒██▒▒▒▒▒▒██▒▒▒▒▒▒▒▒▒▒ ");
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println!(" ▒▒ ▒▒▒▒▒▒▒▒▒▒██████▒▒▒▒▒▒▒▒▒▒ ▒▒ ");
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println!(" ▒▒ ▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒ ▒▒ ");
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println!(" ▒▒ ▒▒ ▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒ ▒▒ ▒▒ ");
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println!(" ▒▒ ▒▒ ▒▒ ▒▒ ▒▒ ▒▒ ");
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println!(" ▒▒ ▒▒ ▒▒ ▒▒ ");
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println!();
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println!("We hope you enjoyed learning about the various aspects of Rust!");
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println!(
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"If you noticed any issues, please don't hesitate to report them to our repo."
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);
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println!("You can also contribute your own exercises to help the greater community!");
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println!();
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println!("Before reporting an issue or contributing, please read our guidelines:");
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println!("https://github.com/rust-lang/rustlings/blob/main/CONTRIBUTING.md");
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}
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}
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}
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fn spawn_watch_shell(failed_exercise_hint: &Arc<Mutex<Option<String>>>) {
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fn spawn_watch_shell(failed_exercise_hint: &Arc<Mutex<Option<String>>>, should_quit: Arc<AtomicBool>) {
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let failed_exercise_hint = Arc::clone(failed_exercise_hint);
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println!("Welcome to watch mode! You can type 'help' to get an overview of the commands you can use here.");
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thread::spawn(move || loop {
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@ -270,15 +279,15 @@ fn spawn_watch_shell(failed_exercise_hint: &Arc<Mutex<Option<String>>>) {
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match io::stdin().read_line(&mut input) {
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Ok(_) => {
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let input = input.trim();
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if input.eq("hint") {
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if input == "hint" {
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if let Some(hint) = &*failed_exercise_hint.lock().unwrap() {
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println!("{}", hint);
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}
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} else if input.eq("clear") {
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} else if input == "clear" {
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println!("\x1B[2J\x1B[1;1H");
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} else if input.eq("quit") {
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should_quit.store(true, Ordering::SeqCst);
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println!("Bye!");
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std::process::exit(0);
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} else if input.eq("help") {
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println!("Commands available to you in watch mode:");
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println!(" hint - prints the current exercise's hint");
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@ -318,7 +327,12 @@ fn find_exercise<'a>(name: &str, exercises: &'a [Exercise]) -> &'a Exercise {
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}
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}
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fn watch(exercises: &[Exercise], verbose: bool) -> notify::Result<()> {
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enum WatchStatus {
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Finished,
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Unfinished,
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}
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fn watch(exercises: &[Exercise], verbose: bool) -> notify::Result<WatchStatus> {
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/* Clears the terminal with an ANSI escape code.
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Works in UNIX and newer Windows terminals. */
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fn clear_screen() {
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@ -326,6 +340,7 @@ fn watch(exercises: &[Exercise], verbose: bool) -> notify::Result<()> {
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}
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let (tx, rx) = channel();
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let should_quit = Arc::new(AtomicBool::new(false));
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let mut watcher: RecommendedWatcher = Watcher::new(tx, Duration::from_secs(2))?;
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watcher.watch(Path::new("./exercises"), RecursiveMode::Recursive)?;
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@ -334,12 +349,12 @@ fn watch(exercises: &[Exercise], verbose: bool) -> notify::Result<()> {
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let to_owned_hint = |t: &Exercise| t.hint.to_owned();
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let failed_exercise_hint = match verify(exercises.iter(), verbose) {
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Ok(_) => return Ok(()),
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Ok(_) => return Ok(WatchStatus::Finished),
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Err(exercise) => Arc::new(Mutex::new(Some(to_owned_hint(exercise)))),
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};
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spawn_watch_shell(&failed_exercise_hint);
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spawn_watch_shell(&failed_exercise_hint, Arc::clone(&should_quit));
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loop {
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match rx.recv() {
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match rx.recv_timeout(Duration::from_secs(1)) {
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Ok(event) => match event {
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DebouncedEvent::Create(b) | DebouncedEvent::Chmod(b) | DebouncedEvent::Write(b) => {
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if b.extension() == Some(OsStr::new("rs")) && b.exists() {
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@ -355,7 +370,7 @@ fn watch(exercises: &[Exercise], verbose: bool) -> notify::Result<()> {
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);
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clear_screen();
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match verify(pending_exercises, verbose) {
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Ok(_) => return Ok(()),
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Ok(_) => return Ok(WatchStatus::Finished),
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Err(exercise) => {
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let mut failed_exercise_hint = failed_exercise_hint.lock().unwrap();
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*failed_exercise_hint = Some(to_owned_hint(exercise));
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@ -365,8 +380,15 @@ fn watch(exercises: &[Exercise], verbose: bool) -> notify::Result<()> {
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}
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_ => {}
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},
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Err(RecvTimeoutError::Timeout) => {
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// the timeout expired, just check the `should_quit` variable below then loop again
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}
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Err(e) => println!("watch error: {:?}", e),
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}
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// Check if we need to exit
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if should_quit.load(Ordering::SeqCst) {
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return Ok(WatchStatus::Unfinished);
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}
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}
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}
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