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initrd/src/cmd/bootstrap.rs

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Rust
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2024-04-29 12:54:25 +02:00
use eyre::Result;
use tokio::{fs, io, io::AsyncWriteExt};
pub async fn run() -> Result<()> {
let mut input = io::stdin();
let mut out = fs::File::create("/bootstrap.tar.part").await?;
let n = io::copy(&mut input, &mut out).await?;
out.flush().await?;
drop(out);
eprintln!("copied {n} bytes");
fs::rename("/bootstrap.tar.part", "/bootstrap.tar").await?;
eprintln!("/bootstrap.tar ready to use");
Ok(())
}