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//! Real packagist p2 metadata for the benchmarks, fetched on first run and cached under the
//! target directory so later runs work offline.
use std::path::PathBuf;
pub fn fetch(package: &str) -> String {
let dir = PathBuf::from(env!("CARGO_TARGET_TMPDIR")).join("packagist-p2");
std::fs::create_dir_all(&dir).expect("failed to create the fixture directory");
let path = dir.join(format!("{}.json", package.replace('/', "-")));
if let Ok(fixture) = std::fs::read_to_string(&path) {
return fixture;
}
let url = format!("https://repo.packagist.org/p2/{package}.json");
let fixture = reqwest::blocking::get(&url)
.and_then(|response| response.error_for_status())
.and_then(|response| response.text())
.unwrap_or_else(|e| {
panic!(
"failed to fetch {url}: {e}; download it to {} by hand to run this benchmark offline",
path.display(),
)
});
std::fs::write(&path, &fixture).expect("failed to cache the fixture");
fixture
}
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