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use futures::StreamExt;
use std::{env, fs::OpenOptions, io::Write};
use shiplift::{errors::Error, Docker};
#[tokio::main]
async 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();
while let Some(export_result) = images.get(&id).export().next().await {
match export_result.and_then(|bytes| export_file.write(&bytes).map_err(Error::from)) {
Ok(n) => println!("copied {} bytes", n),
Err(e) => eprintln!("Error: {}", e),
}
}
}
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