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use std::path::Path;
use std::process::Command;
use std::time::{Duration, SystemTime};
use std::{env, thread};
#[cfg(windows)]
const PYTHON: &str = "python";
#[cfg(not(windows))]
const PYTHON: &str = "python3";
/// # Panics
///
/// Panics if the python commands could not be spawned
pub fn run(port: u16, lint: Option<String>) -> ! {
let mut url = Some(match lint {
None => format!("http://localhost:{port}"),
Some(lint) => format!("http://localhost:{port}/#{lint}"),
});
loop {
let index_time = mtime("util/gh-pages/index.html");
let times = [
"clippy_lints/src",
"util/gh-pages/index_template.html",
"tests/compile-test.rs",
]
.map(mtime);
if times.iter().any(|&time| index_time < time) {
Command::new(env::var("CARGO").unwrap_or("cargo".into()))
.arg("collect-metadata")
.spawn()
.unwrap()
.wait()
.unwrap();
}
if let Some(url) = url.take() {
thread::spawn(move || {
let mut child = Command::new(PYTHON)
.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 _result = opener::open(url);
child.wait().unwrap();
});
}
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)
}
}
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