Function download_assets

xtask/src/main.rs:615–661

(args: &[String])

}

fn download_assets(args: &[String]) -> Result<()> {
    let targets = asset_download_targets(args)?;
    if args.iter().any(|arg| arg == "--release") {
        let tag = value_after(args, "--release").context("--release requires a tag")?;
        ensure!(
            value_after(args, "--run-id").is_none()
                && value_after(args, "--sha").is_none()
                && !args.iter().any(|arg| arg == "--latest-compatible"),
            "assets download accepts only one of --run-id, --sha, --latest-compatible, or --release"
        );
        download_assets_from_release(tag, &targets)?;
        let target_list = targets.join(", ");
        println!("downloaded and installed release assets from {tag} / {target_list}");
        return Ok(());
    }

    let candidates = asset_download_run_candidates(args)?;
    let mut last_error = None;

    for run_id in candidates {
        match download_assets_from_run(&run_id, &targets) {
            Ok(()) => {
                let target_list = targets.join(", ");
                println!(
                    "downloaded and installed Assets workflow artifacts from run {run_id} / {target_list}"
                );
                return Ok(());
            }
            Err(error) => {
                if args.iter().any(|arg| arg == "--latest-compatible") {
                    eprintln!(
                        "Assets workflow run {run_id} is not compatible with this checkout: {error:#}"
                    );
                    last_error = Some(error);
                    continue;
                }
                return Err(error);
            }
        }
    }

    if let Some(error) = last_error {
        Err(error).context("no compatible successful Assets workflow artifact found")
    } else {
        bail!("no successful Assets workflow artifact found")
    }
}

fn asset_download_targets(args: &[String]) -> Result<Vec<String>> {
    let all_targets = args.iter().any(|arg| arg == "--all-targets");