private void parseRestoreFile(final BufferedReader reader) throws IOException {
    boolean markerFound = false;

    String line;
    while (!markerFound && null != (line = reader.readLine())) {
      markerFound = line.contains(RestoreScript.INCREMENTAL_MARKER_COMMENT);
    }

    if (markerFound) {
      parseOplogLines(reader);
    }
  }
Searches for the incremental backup marker and parses the incremental portion.

@param reader restore file reader.
geode-core/src/main/java/org/apache/geode/internal/cache/backup/BackupInspector.java