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rails--rails/railties/lib/rails/rack/log_tailer.rb
Neeraj Singh ea14396c45 replace if ! with unless
Signed-off-by: Santiago Pastorino <santiago@wyeworks.com>
2010-10-17 12:26:32 -02:00

30 lines
594 B
Ruby

module Rails
module Rack
class LogTailer
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)
@file = ::File.open(path, 'r')
end
def call(env)
response = @app.call(env)
tail!
response
end
def tail!
@file.seek @cursor
unless @file.eof?
contents = @file.read
@cursor = @file.tell
$stdout.print contents
end
end
end
end
end