fluent/fluentd

#
# Fluentd
#
#    Licensed under the Apache License, Version 2.0 (the "License");
#    you may not use this file except in compliance with the License.
#    You may obtain a copy of the License at
#
#        http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS,
#    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#    See the License for the specific language governing permissions and
#    limitations under the License.
#

require 'rbconfig'

if ENV['BUNDLE_BIN_PATH']
  puts 'error: You seem to use `bundle exec` already.'
  exit 1
else
  begin
    bundle_bin = Gem::Specification.find_by_name('bundler').bin_file('bundle')
  rescue Gem::LoadError => e
    puts "error: #{e}"
    exit 1
  end
  ruby_bin = RbConfig.ruby
  system("#{ruby_bin} #{bundle_bin} install")
  unless $?.success?
    exit $?.exitstatus
  end

  cmdline = [
    ruby_bin,
    bundle_bin,
    'exec',
    ruby_bin,
    File.expand_path(File.join(File.dirname(__FILE__), 'fluentd.rb')),
  ] + ARGV

  exec(*cmdline)
  exit! 127
end