From d128ec5b6ee8d09a34bc471e3bd54dd78723d686 Mon Sep 17 00:00:00 2001
From: ganmacs <ganmacs@gmail.com>
Date: Fri, 2 Sep 2016 18:09:23 +0900
Subject: [PATCH] Use nil instead of -1 to check the number of lines to display

---
 lib/fluent/command/binlog_reader.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/fluent/command/binlog_reader.rb b/lib/fluent/command/binlog_reader.rb
index 2226d822ee..5e8447cdbd 100644
--- a/lib/fluent/command/binlog_reader.rb
+++ b/lib/fluent/command/binlog_reader.rb
@@ -168,7 +168,7 @@ def call
         i = 1
         Fluent::MessagePackFactory.unpacker(io).each do |(time, record)|
           print @formatter.format(@path, time, record) # path is used for tag
-          break if i == @options[:count] && @options[:count] != -1
+          break if @options[:count] && i == @options[:count]
           i += 1
         end
       end
@@ -196,7 +196,7 @@ def parse_options!
 
   class Cat < Head
     DEFAULT_CAT_OPTIONS = {
-      count: -1
+      count: nil                # Overwrite DEFAULT_HEAD_OPTIONS[:count]
     }
 
     def default_options