From 51b4c240ed006a8279bd94e9b7ed5df67086c86e Mon Sep 17 00:00:00 2001 From: mo8it Date: Mon, 25 Mar 2024 00:30:01 +0100 Subject: Use `which` instead of running `rustc --version` --- src/main.rs | 16 ++-------------- 1 file changed, 2 insertions(+), 14 deletions(-) (limited to 'src/main.rs') diff --git a/src/main.rs b/src/main.rs index a06f0c5..f932631 100644 --- a/src/main.rs +++ b/src/main.rs @@ -10,7 +10,7 @@ use std::ffi::OsStr; use std::fs; use std::io::{self, prelude::*}; use std::path::Path; -use std::process::{Command, Stdio}; +use std::process::Command; use std::sync::atomic::{AtomicBool, Ordering}; use std::sync::mpsc::{channel, RecvTimeoutError}; use std::sync::{Arc, Mutex}; @@ -100,7 +100,7 @@ fn main() { std::process::exit(1); } - if !rustc_exists() { + if which::which("rustc").is_err() { println!("We cannot find `rustc`."); println!("Try running `rustc --version` to diagnose your problem."); println!("For instructions on how to install Rust, check the README."); @@ -403,18 +403,6 @@ fn watch( } } -fn rustc_exists() -> bool { - Command::new("rustc") - .args(["--version"]) - .stdout(Stdio::null()) - .stderr(Stdio::null()) - .stdin(Stdio::null()) - .spawn() - .and_then(|mut child| child.wait()) - .map(|status| status.success()) - .unwrap_or(false) -} - const DEFAULT_OUT: &str = r#"Thanks for installing Rustlings! Is this your first time? Don't worry, Rustlings was made for beginners! We are -- cgit v1.2.3 From ed0fcf8e3d05f5420b55370d4ff4ad8e0ded127b Mon Sep 17 00:00:00 2001 From: mo8it Date: Tue, 26 Mar 2024 17:49:05 +0100 Subject: Formatting --- src/main.rs | 7 ++----- src/verify.rs | 32 +++++++++++++++----------------- 2 files changed, 17 insertions(+), 22 deletions(-) (limited to 'src/main.rs') diff --git a/src/main.rs b/src/main.rs index a06f0c5..a0b3af2 100644 --- a/src/main.rs +++ b/src/main.rs @@ -223,10 +223,7 @@ fn main() { Subcommands::Watch { success_hints } => match watch(&exercises, verbose, success_hints) { Err(e) => { - println!( - "Error: Could not watch your progress. Error message was {:?}.", - e - ); + println!("Error: Could not watch your progress. Error message was {e:?}."); println!("Most likely you've run out of disk space or your 'inotify limit' has been reached."); std::process::exit(1); } @@ -280,7 +277,7 @@ fn spawn_watch_shell( if parts.is_empty() { println!("no command provided"); } else if let Err(e) = Command::new(parts[0]).args(&parts[1..]).status() { - println!("failed to execute command `{}`: {}", cmd, e); + println!("failed to execute command `{cmd}`: {e}"); } } else { println!("unknown command: {input}"); diff --git a/src/verify.rs b/src/verify.rs index aee2afa..3123e45 100644 --- a/src/verify.rs +++ b/src/verify.rs @@ -24,7 +24,7 @@ pub fn verify<'a>( .progress_chars("#>-"), ); bar.set_position(num_done as u64); - bar.set_message(format!("({:.1} %)", percentage)); + bar.set_message(format!("({percentage:.1} %)")); for exercise in exercises { let compile_result = match exercise.mode { @@ -37,7 +37,7 @@ pub fn verify<'a>( } percentage += 100.0 / total as f32; bar.inc(1); - bar.set_message(format!("({:.1} %)", percentage)); + bar.set_message(format!("({percentage:.1} %)")); if bar.position() == total as u64 { println!( "Progress: You completed {} / {} exercises ({:.1} %).", @@ -191,27 +191,25 @@ fn prompt_for_completion( Mode::Test => "The code is compiling, and the tests pass!", Mode::Clippy => clippy_success_msg, }; - println!(); + if no_emoji { - println!("~*~ {success_msg} ~*~") + println!("\n~*~ {success_msg} ~*~\n"); } else { - println!("šŸŽ‰ šŸŽ‰ {success_msg} šŸŽ‰ šŸŽ‰") + println!("\nšŸŽ‰ šŸŽ‰ {success_msg} šŸŽ‰ šŸŽ‰\n"); } - println!(); if let Some(output) = prompt_output { - println!("Output:"); - println!("{}", separator()); - println!("{output}"); - println!("{}", separator()); - println!(); + println!( + "Output:\n{separator}\n{output}\n{separator}\n", + separator = separator(), + ); } if success_hints { - println!("Hints:"); - println!("{}", separator()); - println!("{}", exercise.hint); - println!("{}", separator()); - println!(); + println!( + "Hints:\n{separator}\n{}\n{separator}\n", + exercise.hint, + separator = separator(), + ); } println!("You can keep working on this exercise,"); @@ -231,7 +229,7 @@ fn prompt_for_completion( "{:>2} {} {}", style(context_line.number).blue().bold(), style("|").blue(), - formatted_line + formatted_line, ); } -- cgit v1.2.3 From 1f2029ae5503024f71203893fe1eab7b90aa80af Mon Sep 17 00:00:00 2001 From: mo8it Date: Tue, 26 Mar 2024 17:49:25 +0100 Subject: Add missing semicolon --- src/main.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src/main.rs') diff --git a/src/main.rs b/src/main.rs index a0b3af2..6884a0e 100644 --- a/src/main.rs +++ b/src/main.rs @@ -217,7 +217,7 @@ fn main() { println!("Failed to write rust-project.json to disk for rust-analyzer"); } else { println!("Successfully generated rust-project.json"); - println!("rust-analyzer will now parse exercises, restart your language server or editor") + println!("rust-analyzer will now parse exercises, restart your language server or editor"); } } -- cgit v1.2.3 From e89028581cd03c02cb0971a2772fa382667019a3 Mon Sep 17 00:00:00 2001 From: mo8it Date: Tue, 26 Mar 2024 17:49:55 +0100 Subject: Use == instead of eq --- src/main.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src/main.rs') diff --git a/src/main.rs b/src/main.rs index 6884a0e..559be69 100644 --- a/src/main.rs +++ b/src/main.rs @@ -289,7 +289,7 @@ fn spawn_watch_shell( } fn find_exercise<'a>(name: &str, exercises: &'a [Exercise]) -> &'a Exercise { - if name.eq("next") { + if name == "next" { exercises .iter() .find(|e| !e.looks_done()) -- cgit v1.2.3 From a610fc1bc21a04017542208ef70a8010ee00c04c Mon Sep 17 00:00:00 2001 From: mo8it Date: Tue, 26 Mar 2024 17:50:10 +0100 Subject: Remove unneeded closure --- src/main.rs | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'src/main.rs') diff --git a/src/main.rs b/src/main.rs index 559be69..eca73fa 100644 --- a/src/main.rs +++ b/src/main.rs @@ -335,7 +335,6 @@ fn watch( clear_screen(); - let to_owned_hint = |t: &Exercise| t.hint.to_owned(); let failed_exercise_hint = match verify( exercises.iter(), (0, exercises.len()), @@ -343,7 +342,7 @@ fn watch( success_hints, ) { Ok(_) => return Ok(WatchStatus::Finished), - Err(exercise) => Arc::new(Mutex::new(Some(to_owned_hint(exercise)))), + Err(exercise) => Arc::new(Mutex::new(Some(exercise.hint.clone()))), }; spawn_watch_shell(&failed_exercise_hint, Arc::clone(&should_quit)); loop { @@ -380,7 +379,7 @@ fn watch( Err(exercise) => { let mut failed_exercise_hint = failed_exercise_hint.lock().unwrap(); - *failed_exercise_hint = Some(to_owned_hint(exercise)); + *failed_exercise_hint = Some(exercise.hint.clone()); } } } -- cgit v1.2.3 From 87001a68c0cc6b3498a253d0923e9c609355c4ee Mon Sep 17 00:00:00 2001 From: mo8it Date: Tue, 26 Mar 2024 17:50:29 +0100 Subject: The string doesn't have to be a raw string --- src/main.rs | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'src/main.rs') diff --git a/src/main.rs b/src/main.rs index eca73fa..141549c 100644 --- a/src/main.rs +++ b/src/main.rs @@ -411,7 +411,7 @@ fn rustc_exists() -> bool { .unwrap_or(false) } -const DEFAULT_OUT: &str = r#"Thanks for installing Rustlings! +const DEFAULT_OUT: &str = "Thanks for installing Rustlings! Is this your first time? Don't worry, Rustlings was made for beginners! We are going to teach you a lot of things about Rust, but before we can get @@ -437,7 +437,7 @@ started, here's a couple of notes about how Rustlings operates: autocompletion, run the command `rustlings lsp`. Got all that? Great! To get started, run `rustlings watch` in order to get the first -exercise. Make sure to have your editor open!"#; +exercise. Make sure to have your editor open!"; const FENISH_LINE: &str = "+----------------------------------------------------+ | You made it to the Fe-nish line! | -- cgit v1.2.3