A collection of scripts to automate some Rails 3 upgrade tasks

logger_upgrade.rb

#!/usr/bin/env ruby

# Upgrades all files to use Rails.logger, rather than logger

Dir['app/**/*.*', 'config/**/*.*', 'lib/**/*.*'].each{ |filename|
  data = File.read filename
  File.open(filename,'w'){|f|
    f.print data.gsub(/\slogger/, ' Rails.logger')
  }
}
puts :Done

view_upgrade.rb

#!/usr/bin/env ruby

# Upgrades all files in child directories to the new erb snytax in Rails 3
# Does not upgrade custom concatination helpers
# See <http://asciicasts.com/episodes/208-erb-blocks-in-rails-3> for more info
# taken from <http://rbjl.net/24-upgrading-to-rails-3-obstacles-and-helper-scripts>

patterns =
%w|
fields_for
form_for
div_for
content_tag_for
field_set_tag
form_tag

remote_form_for
form_remote_for
form_remote_tag
| # don't forget to update remote helpers to hash option: remote => true


Dir['**/*.*'].each{ |filename|
  data = File.read filename
  File.open(filename,'w'){|f|
    f.print data.gsub(/<%\s+(#{ patterns*'|' }).*(do|\{)/){
      $&.sub '<%', '<%='
    }
  }
}
puts :Done