unicorn_rvm.rb

# Restart unicorn through RVM to allow for ruby interpreter version upgrades
rvm_shell    = '/home/deploy/.rvm/bin/rvm-shell'
unicorn_args = Unicorn::HttpServer::START_CTX[:argv].join(' ')
shell_args   = [ '-c', "cd /u/apps/innerfence/current && exec bundle exec unicorn #{unicorn_args}" ]
Unicorn::HttpServer::START_CTX[0]     = rvm_shell
Unicorn::HttpServer::START_CTX[:argv] = shell_args

# Scrub the environment
before_exec do |server|
  ENV.delete_if { |k| k.starts_with? 'BUNDLE' }
  ENV.delete_if { |k| k.starts_with? 'GEM' }
  ENV.delete_if { |k| k.starts_with? 'RUBY' }
  ENV.delete_if { |k| k.starts_with? 'rvm' }
  ENV.delete 'IRBRC'
  ENV.delete 'MY_RUBY_HOME'
  ENV['PATH'] = ENV['PATH'].split(/:/).reject{ |p| p =~ /[.]rvm/ }.join(':')
end