Index: lib/rails_generator/generators/components/model/model_generator.rb
===================================================================
--- lib/rails_generator/generators/components/model/model_generator.rb	(revision 4450)
+++ lib/rails_generator/generators/components/model/model_generator.rb	(working copy)
@@ -29,6 +29,6 @@
       opt.separator ''
       opt.separator 'Options:'
       opt.on("--skip-migration", 
-             "Don't generate a migration file for this model") { |options[:skip_migration]| }
+             "Don't generate a migration file for this model") { |v| options[:skip_migration] = v }
     end
 end
Index: lib/rails_generator/generators/applications/app/app_generator.rb
===================================================================
--- lib/rails_generator/generators/applications/app/app_generator.rb	(revision 4450)
+++ lib/rails_generator/generators/applications/app/app_generator.rb	(working copy)
@@ -96,15 +96,15 @@
       opt.separator 'Options:'
       opt.on("-r", "--ruby=path", String,
              "Path to the Ruby binary of your choice (otherwise scripts use env, dispatchers current path).",
-             "Default: #{DEFAULT_SHEBANG}") { |options[:shebang]| }
+             "Default: #{DEFAULT_SHEBANG}") { |v| options[:shebang] = v }
 
       opt.on("-d", "--database=name", String,
             "Preconfigure for selected database (options: mysql/oracle/postgresql/sqlite2/sqlite3).",
-            "Default: mysql") { |options[:db]| }
+            "Default: mysql") { |v| options[:db] = v }
 
       opt.on("-f", "--freeze", 
             "Freeze Rails in vendor/rails from the gems generating the skeleton",
-            "Default: false") { |options[:freeze]| }
+            "Default: false") { |v| options[:freeze] = v }
     end
     
     def mysql_socket_location
Index: lib/rails_generator/options.rb
===================================================================
--- lib/rails_generator/options.rb	(revision 4450)
+++ lib/rails_generator/options.rb	(working copy)
@@ -121,12 +121,12 @@
           opt.separator ''
           opt.separator 'General Options:'
 
-          opt.on('-p', '--pretend', 'Run but do not make any changes.') { |options[:pretend]| }
+          opt.on('-p', '--pretend', 'Run but do not make any changes.') { |v| options[:pretend] = v }
           opt.on('-f', '--force', 'Overwrite files that already exist.') { options[:collision] = :force }
           opt.on('-s', '--skip', 'Skip files that already exist.') { options[:collision] = :skip }
-          opt.on('-q', '--quiet', 'Suppress normal output.') { |options[:quiet]| }
-          opt.on('-t', '--backtrace', 'Debugging: show backtrace on errors.') { |options[:backtrace]| }
-          opt.on('-h', '--help', 'Show this help message.') { |options[:help]| }
+          opt.on('-q', '--quiet', 'Suppress normal output.') { |v| options[:quiet] = v }
+          opt.on('-t', '--backtrace', 'Debugging: show backtrace on errors.') { |v| options[:backtrace] = v }
+          opt.on('-h', '--help', 'Show this help message.') { |v| options[:help] = v }
           opt.on('-c', '--svn', 'Modify files with subversion. (Note: svn must be in path)') do
             options[:svn] = `svn status`.inject({}) do |opt, e|
               opt[e.chomp[7..-1]] = true
Index: lib/commands/console.rb
===================================================================
--- lib/commands/console.rb	(revision 4450)
+++ lib/commands/console.rb	(working copy)
@@ -4,8 +4,8 @@
 options = { :sandbox => false, :irb => irb }
 OptionParser.new do |opt|
   opt.banner = "Usage: console [environment] [options]"
-  opt.on('-s', '--sandbox', 'Rollback database modifications on exit.') { |options[:sandbox]| }
-  opt.on("--irb=[#{irb}]", 'Invoke a different irb.') { |options[:irb]| }
+  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.parse!(ARGV)
 end
 
Index: lib/commands/servers/webrick.rb
===================================================================
--- lib/commands/servers/webrick.rb	(revision 4450)
+++ lib/commands/servers/webrick.rb	(working copy)
@@ -19,13 +19,13 @@
 
   opts.on("-p", "--port=port", Integer,
           "Runs Rails on the specified port.",
-          "Default: 3000") { |OPTIONS[:port]| }
+          "Default: 3000") { |v| OPTIONS[:port] = v }
   opts.on("-b", "--binding=ip", String,
           "Binds Rails to the specified ip.",
-          "Default: 0.0.0.0") { |OPTIONS[:ip]| }
+          "Default: 0.0.0.0") { |v| OPTIONS[:ip] = v }
   opts.on("-e", "--environment=name", String,
           "Specifies the environment to run this server under (test/development/production).",
-          "Default: development") { |OPTIONS[:environment]| }
+          "Default: development") { |v| OPTIONS[:environment] = v }
   opts.on("-m", "--mime-types=filename", String,
                   "Specifies an Apache style mime.types configuration file to be used for mime types",
                   "Default: none") { |mime_types_file| OPTIONS[:mime_types] = WEBrick::HTTPUtils::load_mime_types(mime_types_file) }
@@ -36,7 +36,7 @@
 
   opts.on("-c", "--charset=charset", String,
           "Set default charset for output.",
-          "Default: UTF-8") { |OPTIONS[:charset]| }
+          "Default: UTF-8") { |v| OPTIONS[:charset] = v }
 
   opts.separator ""
 
Index: lib/commands/runner.rb
===================================================================
--- lib/commands/runner.rb	(revision 4450)
+++ lib/commands/runner.rb	(working copy)
@@ -10,7 +10,7 @@
 
   opts.on("-e", "--environment=name", String,
           "Specifies the environment for the runner to operate under (test/development/production).",
-          "Default: development") { |options[:environment]| }
+          "Default: development") { |v| options[:environment] = v }
 
   opts.separator ""
 
Index: lib/commands/process/reaper.rb
===================================================================
--- lib/commands/process/reaper.rb	(revision 4450)
+++ lib/commands/process/reaper.rb	(working copy)
@@ -117,8 +117,8 @@
 
   opts.on("  Options:")
 
-  opts.on("-a", "--action=name", "reload|graceful|kill (default: #{OPTIONS[:action]})", String)  { |OPTIONS[:action]| }
-  opts.on("-d", "--dispatcher=path", "default: #{OPTIONS[:dispatcher]}", String)                 { |OPTIONS[:dispatcher]| }
+  opts.on("-a", "--action=name", "reload|graceful|kill (default: #{OPTIONS[:action]})", String)  { |v| OPTIONS[:action] = v }
+  opts.on("-d", "--dispatcher=path", "default: #{OPTIONS[:dispatcher]}", String)                 { |v| OPTIONS[:dispatcher] = v }
 
   opts.separator ""
 
Index: lib/commands/process/spinner.rb
===================================================================
--- lib/commands/process/spinner.rb	(revision 4450)
+++ lib/commands/process/spinner.rb	(working copy)
@@ -36,9 +36,9 @@
 
   opts.on("  Options:")
 
-  opts.on("-c", "--command=path",    String) { |OPTIONS[:command]| }
-  opts.on("-i", "--interval=seconds", Float) { |OPTIONS[:interval]| }
-  opts.on("-d", "--daemon")                  { |OPTIONS[:daemon]| }
+  opts.on("-c", "--command=path",    String) { |v| OPTIONS[:command] = v }
+  opts.on("-i", "--interval=seconds", Float) { |v| OPTIONS[:interval] = v }
+  opts.on("-d", "--daemon")                  { |v| OPTIONS[:daemon] = v }
 
   opts.separator ""
 
Index: lib/commands/process/spawner.rb
===================================================================
--- lib/commands/process/spawner.rb	(revision 4450)
+++ lib/commands/process/spawner.rb	(working copy)
@@ -65,11 +65,11 @@
 
   opts.on("  Options:")
 
-  opts.on("-p", "--port=number",      Integer, "Starting port number (default: #{OPTIONS[:port]})")                { |OPTIONS[:port]| }
-  opts.on("-i", "--instances=number", Integer, "Number of instances (default: #{OPTIONS[:instances]})")            { |OPTIONS[:instances]| }
-  opts.on("-r", "--repeat=seconds",   Integer, "Repeat spawn attempts every n seconds (default: off)")             { |OPTIONS[:repeat]| }
-  opts.on("-e", "--environment=name", String,  "test|development|production (default: #{OPTIONS[:environment]})")  { |OPTIONS[:environment]| }
-  opts.on("-s", "--spawner=path",     String,  "default: #{OPTIONS[:spawner]}")                                    { |OPTIONS[:spawner]| }
+  opts.on("-p", "--port=number",      Integer, "Starting port number (default: #{OPTIONS[:port]})")                { |v| OPTIONS[:port] = v }
+  opts.on("-i", "--instances=number", Integer, "Number of instances (default: #{OPTIONS[:instances]})")            { |v| OPTIONS[:instances] = v }
+  opts.on("-r", "--repeat=seconds",   Integer, "Repeat spawn attempts every n seconds (default: off)")             { |v| OPTIONS[:repeat] = v }
+  opts.on("-e", "--environment=name", String,  "test|development|production (default: #{OPTIONS[:environment]})")  { |v| OPTIONS[:environment] = v }
+  opts.on("-s", "--spawner=path",     String,  "default: #{OPTIONS[:spawner]}")                                    { |v| OPTIONS[:spawner] = v }
   opts.on("-d", "--dispatcher=path",  String,  "default: #{OPTIONS[:dispatcher]}") { |dispatcher| OPTIONS[:dispatcher] = File.expand_path(dispatcher) }
 
   opts.separator ""