Import heroku env

heroku_env.rb

#!/usr/bin/env ruby -rubygems

reject_keys = %w(PATH STACK URL APP_NAME LOG_LEVEL)
reject_keys += %w(RACK_ENV RAILS_ENV NODE_ENV)
reject_keys += %w(COMMIT_HASH CONSOLE_AUTH LANG LAST_GIT_BY)
reject_keys += %w(REDISTOGO NEW_RELIC DATABASE MONGOHQ MEMCACHE SENDGRID)
reject_keys += (ENV['REJECT_ENV_KEYS'].nil? ?  [] : ENV['REJECT_ENV_KEYS'].split(','))
keys_regexp = %r/#{reject_keys.join('|')}/i

configuration = `heroku config`.split("\n").inject({}) do |hash, line|
  match = line.match(/^([A-Z_0-1]+):\s+(.+)/)
  hash[match[1]] = match[2] if match
  hash
end

configuration.reject! { |key| key.match(keys_regexp) }
configuration.each { |key, value|
  STDOUT << "#{key}=#{value}\n"
}

heroku_env.zsh

function heroku_env() {
  ~/.dotfiles/heroku_env |
  while read env ; do
    export $env;
  done
}