sniff: let CliResult error handler handle io and network errors

src/cmd/sniff.rs

@@ -334,8 +334,7 @@ async fn get_file_to_sniff(args: &Args, tmpdir: &tempfile::TempDir) -> CliResult
  util::timeout_secs(args.flag_timeout).unwrap_or(30),
  ))
  .send()
- .await
- .map_err(|e| format!("Download failed: {e}"))?;
+ .await?;
 
  let last_modified = match res.headers().get("Last-Modified") {
  Some(lm) => match lm.to_str() {
@@ -423,10 +422,9 @@ async fn get_file_to_sniff(args: &Args, tmpdir: &tempfile::TempDir) -> CliResult
 
  // download chunks until we have the desired sample size
  while let Some(item) = stream.next().await {
- chunk = item.map_err(|_| "Error while downloading file")?;
+ chunk = item?;
 
- file.write_all(&chunk)
- .map_err(|_| "Error while writing to file")?;
+ file.write_all(&chunk)?;
  let chunk_len = chunk.len();
 
  if downloaded == 0 && !snappy_flag && args.flag_quick {
@@ -607,8 +605,7 @@ async fn get_file_to_sniff(args: &Args, tmpdir: &tempfile::TempDir) -> CliResult
  },
  }
 
- let metadata = fs::metadata(&path)
- .map_err(|_| format!("Cannot get metadata for file '{path}'"))?;
+ let metadata = fs::metadata(&path)?;
 
  let file_size = metadata.len() as usize;
  let last_modified = match metadata.modified() {
@@ -659,9 +656,7 @@ async fn get_file_to_sniff(args: &Args, tmpdir: &tempfile::TempDir) -> CliResult
  return fail_clierror!("stdin input is not UTF8-encoded");
  }
 
- let metadata = file
- .metadata()
- .map_err(|_| "Cannot get metadata for stdin file")?;
+ let metadata = file.metadata()?;
 
  let file_size = metadata.len() as usize;
  // set last_modified to now in RFC3339 format