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rails--rails/railties/lib/rails/commands/runner.rb
2012-05-29 23:46:08 +09:00

54 lines
1.5 KiB
Ruby

require 'optparse'
require 'rbconfig'
options = { :environment => (ENV['RAILS_ENV'] || "development").dup }
code_or_file = nil
if ARGV.first.nil?
ARGV.push "-h"
end
ARGV.clone.options do |opts|
opts.banner = "Usage: rails runner [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.") { $stdout.puts opts; exit }
if RbConfig::CONFIG['host_os'] !~ /mswin|mingw/
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)} runner"
opts.separator ""
opts.separator "Product.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]
require APP_PATH
Rails.application.require_environment!
Rails.application.load_runner
if code_or_file.nil?
$stderr.puts "Run '#{$0} -h' for help."
exit 1
elsif File.exist?(code_or_file)
$0 = code_or_file
eval(File.read(code_or_file), nil, code_or_file)
else
eval(code_or_file)
end