diff options
| -rw-r--r-- | railties/lib/rails/rack/log_tailer.rb | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/railties/lib/rails/rack/log_tailer.rb b/railties/lib/rails/rack/log_tailer.rb index 830d840894..18f22e8089 100644 --- a/railties/lib/rails/rack/log_tailer.rb +++ b/railties/lib/rails/rack/log_tailer.rb @@ -4,10 +4,13 @@ module Rails def initialize(app, log = nil) @app = app - path = Pathname.new(log || "#{File.expand_path(Rails.root)}/log/#{Rails.env}.log").cleanpath - @cursor = ::File.size(path) + path = Pathname.new(log || "#{::File.expand_path(Rails.root)}/log/#{Rails.env}.log").cleanpath - @file = ::File.open(path, 'r') + @cursor = @file = nil + if ::File.exists?(path) + @cursor = ::File.size(path) + @file = ::File.open(path, 'r') + end end def call(env) @@ -17,6 +20,7 @@ module Rails end def tail! + return unless @cursor @file.seek @cursor unless @file.eof? |