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require 'optparse'
options = { :environment => (ENV['RAILS_ENV'] || "development").dup }
code_or_file = nil
ARGV.clone.options do |opts|
script_name = File.basename($0)
opts.banner = "Usage: #{$0} [options] ('Some.ruby(code)' or a filename)"
opts.separator ""
opts.on("-e", "--environment=name", String,
"Specifies the environment for the runner to operate under (test/development/production).",
"Default: development") { |v| options[:environment] = v }
opts.separator ""
opts.on("-h", "--help",
"Show this help message.") { $stderr.puts opts; exit }
if RUBY_PLATFORM !~ /mswin/
opts.separator ""
opts.separator "You can also use runner as a shebang line for your scripts like this:"
opts.separator "-------------------------------------------------------------"
opts.separator "#!/usr/bin/env #{File.expand_path($0)}"
opts.separator ""
opts.separator "Product.find(:all).each { |p| p.price *= 2 ; p.save! }"
opts.separator "-------------------------------------------------------------"
end
opts.order! { |o| code_or_file ||= o } rescue retry
end
ARGV.delete(code_or_file)
ENV["RAILS_ENV"] = options[:environment]
RAILS_ENV.replace(options[:environment]) if defined?(RAILS_ENV)
require RAILS_ROOT + '/config/environment'
if code_or_file.nil?
$stderr.puts "Run '#{$0} -h' for help."
exit 1
elsif File.exists?(code_or_file)
eval(File.read(code_or_file))
else
eval(code_or_file)
end
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