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use shiplift::{errors::Error, Docker};
use std::{env, fs::OpenOptions, io::Write};
use tokio::prelude::{Future, Stream};
fn main() {
let docker = Docker::new();
let id = env::args().nth(1).expect("You need to specify an image id");
let mut export_file = OpenOptions::new()
.write(true)
.create(true)
.open(format!("{}.tar", &id))
.unwrap();
let images = docker.images();
let fut = images
.get(&id)
.export()
.for_each(move |bytes| {
export_file
.write(&bytes[..])
.map(|n| println!("copied {} bytes", n))
.map_err(Error::IO)
})
.map_err(|e| eprintln!("Error: {}", e));
tokio::run(fut)
}
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