Function async_refresh

opensuse-proxy-cache/src/main.rs:347–362

(
    client: reqwest::Client,
    prefetch_tx: Sender<PrefetchReq>,
    url: &Url,
    submit_tx: &Sender<CacheMeta>,
    file: NamedTempFile,
    obj: &CacheObj<PathBuf, Status>,
    prefetch_paths:

#[instrument(skip_all)]
fn async_refresh(
    client: reqwest::Client,
    prefetch_tx: Sender<PrefetchReq>,
    url: &Url,
    submit_tx: &Sender<CacheMeta>,
    file: NamedTempFile,
    obj: &CacheObj<PathBuf, Status>,
    prefetch_paths: Option<Vec<PrefetchItem>>,
) {
    let u = url.clone();
    let tx = submit_tx.clone();
    let obj = obj.clone();
    tokio::spawn(async move {
        async_refresh_task(client, prefetch_tx, u, tx, file, obj, prefetch_paths).await
    });
}

#[instrument(skip_all)]
async fn async_refresh_task(