Function run 

pub fn run(
    url: &str,
    deflate_opt: &HttpDeflateOption<'_>,
    checksum: Option<&ChecksumSource<'_>>,
) -> Result<PathBuf>

Downloads a file from the given URL with the specified HttpDeflateOption.

The file is always downloaded to a temporary location first. If a ChecksumSource is provided, the SHA256 checksum is verified before processing. If checksum is None, processing proceeds without verification.

Errors

• The HTTP request fails or returns a non-success status.
• Decompression or archive extraction fails.
• A filesystem operation (create/read/write/remove) fails.
• Checksum verification fails (mismatch).
• Creating a temporary directory fails.