Use MultiGzDecoder to deal with multi-member gzip files

helpers/rust/src/statistics.rs

@@ -3,7 +3,7 @@ use crate::{
  types::{self, sitelinks, ClassRecord, DataFile, DumpStatistics, Item, Settings, Statistics},
 };
 use anyhow::{Context, Result};
-use flate2::read::GzDecoder;
+use flate2::read::MultiGzDecoder;
 use std::{
  cmp::Ordering,
  collections::HashMap,
@@ -101,7 +101,7 @@ pub(super) fn process_dump(settings: &Settings) -> Result<()> {
  );
 
  let dump = File::open(dump_info.path.as_path())?;
- let decoder = GzDecoder::new(dump);
+ let decoder = MultiGzDecoder::new(dump);
  let mut reader = BufReader::new(decoder);
  let mut line = String::new();
 
@@ -121,9 +121,9 @@ pub(super) fn process_dump(settings: &Settings) -> Result<()> {
 
  loop {
  line.clear();
- let read = reader.read_line(&mut line)?;
+ let read_bytes = reader.read_line(&mut line)?;
 
- if read == 0 || line.starts_with(']') {
+ if read_bytes == 0 || line.starts_with(']') {
  break;
  }