| use std::ffi::{OsStr, OsString}; |
| use std::path::Path; |
| use std::process::Command; |
| use std::thread; |
| use std::time::{Duration, SystemTime}; |
| |
| pub fn run(port: u16, lint: Option<&str>) -> ! { |
| let mut url = Some(match lint { |
| None => format!("http://localhost:{}", port), |
| Some(lint) => format!("http://localhost:{}/#{}", port, lint), |
| }); |
| |
| loop { |
| if mtime("util/gh-pages/lints.json") < mtime("clippy_lints/src") { |
| Command::new("python3") |
| .arg("util/export.py") |
| .spawn() |
| .unwrap() |
| .wait() |
| .unwrap(); |
| } |
| if let Some(url) = url.take() { |
| thread::spawn(move || { |
| Command::new("python3") |
| .arg("-m") |
| .arg("http.server") |
| .arg(port.to_string()) |
| .current_dir("util/gh-pages") |
| .spawn() |
| .unwrap(); |
| // Give some time for python to start |
| thread::sleep(Duration::from_millis(500)); |
| // Launch browser after first export.py has completed and http.server is up |
| let _ = opener::open(url); |
| }); |
| } |
| thread::sleep(Duration::from_millis(1000)); |
| } |
| } |
| |
| fn mtime(path: impl AsRef<Path>) -> SystemTime { |
| let path = path.as_ref(); |
| if path.is_dir() { |
| path.read_dir() |
| .into_iter() |
| .flatten() |
| .flatten() |
| .map(|entry| mtime(&entry.path())) |
| .max() |
| .unwrap_or(SystemTime::UNIX_EPOCH) |
| } else { |
| path.metadata() |
| .and_then(|metadata| metadata.modified()) |
| .unwrap_or(SystemTime::UNIX_EPOCH) |
| } |
| } |
| |
| #[allow(clippy::missing_errors_doc)] |
| pub fn validate_port(arg: &OsStr) -> Result<(), OsString> { |
| match arg.to_string_lossy().parse::<u16>() { |
| Ok(_port) => Ok(()), |
| Err(err) => Err(OsString::from(err.to_string())), |
| } |
| } |