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require 'optparse'
require 'rbconfig'
options = { environment: (ENV['RAILS_ENV'] || ENV['RACK_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)'> | <filename.rb>]"
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 }
opts.separator ""
opts.separator "Examples: "
opts.separator " rails runner 'puts Rails.env'"
opts.separator " This runs the code `puts Rails.env` after loading the app"
opts.separator ""
opts.separator " rails runner path/to/filename.rb"
opts.separator " This runs the Ruby file located at `path/to/filename.rb` after loading the app"
if RbConfig::CONFIG['host_os'] !~ /mswin|mingw/
opts.separator ""
opts.separator "You can also use runner as a shebang line for your executables:"
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
Kernel.load code_or_file
else
eval(code_or_file, binding, __FILE__, __LINE__)
end
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