env

#!/usr/bin/ruby

require 'yaml'

ROOT_PATH = File.expand_path(File.join(File.dirname(__FILE__), '..'))

ENV_DEFAULTS = {
  'ruby_path' => (r = `which ruby`.strip).empty? ? '/usr/bin/ruby' : r,
  'env_path' => (r = `which env`.strip).empty? ? '/usr/bin/env' : r,
  'cwd' => ROOT_PATH
}

env_config_file = File.join(ROOT_PATH, 'config/env.yml')
if File.exists?(env_config_file)
  env_config = ENV_DEFAULTS.merge(YAML.load_file(env_config_file) || { })
else
  env_config = ENV_DEFAULTS.merge({ })
end

env_vars = [ ]
argv = ARGV.clone.delete_if { |a| if a =~ /.+\=.+/; env_vars.push(a); true; else; false; end }

cmd = "#{env_config['env_path']} #{env_vars.join(' ')} #{env_config['ruby_path']} #{argv.join(' ')}"

#puts "Found root path at: #{ROOT_PATH}"
#puts "env_config: #{env_config.inspect}"
#puts "cmd: #{cmd}"

unless env_config['cwd'].nil?
  Dir.chdir(env_config['cwd'])
end

exec(cmd)