Merge commit 'mainstream/master'

1 files changed, 45 insertions, 0 deletions

diff --git a/railties/lib/rails/commands/console.rb b/railties/lib/rails/commands/console.rb
new file mode 100644
index 0000000000..31448bdf1a
--- /dev/null
+++ b/railties/lib/rails/commands/console.rb
@@ -0,0 +1,45 @@
+irb = RUBY_PLATFORM =~ /(:?mswin|mingw)/ ? 'irb.bat' : 'irb'
+
+require 'optparse'
+
+options = { :sandbox => false, :irb => irb }
+OptionParser.new do |opt|
+  opt.banner = "Usage: console [environment] [options]"
+  opt.on('-s', '--sandbox', 'Rollback database modifications on exit.') { |v| options[:sandbox] = v }
+  opt.on("--irb=[#{irb}]", 'Invoke a different irb.') { |v| options[:irb] = v }
+  opt.on("--debugger", 'Enable ruby-debugging for the console.') { |v| options[:debugger] = v }
+  opt.parse!(ARGV)
+end
+
+libs =  " -r irb/completion"
+libs << %( -r "#{RAILS_ROOT}/config/environment")
+libs << " -r rails/console_app"
+libs << " -r rails/console_sandbox" if options[:sandbox]
+libs << " -r rails/console_with_helpers"
+
+if options[:debugger]
+  begin
+    require 'ruby-debug'
+    libs << " -r ruby-debug"
+    puts "=> Debugger enabled"
+  rescue Exception
+    puts "You need to install ruby-debug to run the console in debugging mode. With gems, use 'gem install ruby-debug'"
+    exit
+  end
+end
+
+ENV['RAILS_ENV'] = case ARGV.first
+  when "p"; "production"
+  when "d"; "development"
+  when "t"; "test"
+  else
+    ARGV.first || ENV['RAILS_ENV'] || 'development'
+end
+
+if options[:sandbox]
+  puts "Loading #{ENV['RAILS_ENV']} environment in sandbox (Rails #{Rails.version})"
+  puts "Any modifications you make will be rolled back on exit"
+else
+  puts "Loading #{ENV['RAILS_ENV']} environment (Rails #{Rails.version})"
+end
+exec "#{options[:irb]} #{libs} --simple-prompt"