crate source verification about cargo-cache HOT 4 OPEN

use flate2::read::GzDecoder;
use std::fs::File;
use tar::Archive;

fn main() -> Result<(), std::io::Error> {
    let path = "datetime-0.5.2.crate";

    let tar_gz = File::open(path)?;
    let tar = GzDecoder::new(tar_gz);
    let mut archive = Archive::new(tar);

    let files = archive.entries()?;

    files.into_iter().for_each(|f| {
        let file = f.unwrap();
        // println!("{}", file.path().unwrap().display());
        // println!("{:?}", file.header());
        // print the file name and the size
        println!("{}, {} bytes", file.path().unwrap().display(), file.size());
    });

    Ok(())
}