Refactor log-tailer to depend on File#eof? rather than File#mtime

[#5220 state:resolved]

Eliminate 1 instance variable and 1 local variable.

Signed-off-by: José Valim <jose.valim@gmail.com>

1 files changed, 1 insertions, 4 deletions

diff --git a/railties/lib/rails/rack/log_tailer.rb b/railties/lib/rails/rack/log_tailer.rb
index 2ca6b5f8da..011ac6cecc 100644
--- a/railties/lib/rails/rack/log_tailer.rb
+++ b/railties/lib/rails/rack/log_tailer.rb
@@ -6,7 +6,6 @@ module Rails
 
         path = Pathname.new(log || "#{File.expand_path(Rails.root)}/log/#{Rails.env}.log").cleanpath
         @cursor = ::File.size(path)
-        @last_checked = Time.now.to_f
 
         @file = ::File.open(path, 'r')
       end
@@ -20,10 +19,8 @@ module Rails
       def tail!
         @file.seek @cursor
 
-        mod = @file.mtime.to_f
-        if mod > @last_checked
+        if !@file.eof?
           contents = @file.read
-          @last_checked = mod
           @cursor = @file.tell
           $stdout.print contents
         end