BetterErrors_better_editor_setup.rb

# For inclusion into a Rails config/initializers/better_errors.rb file.

if defined?(BetterErrors)
  if ENV['DEV_PROFILING'] == 'true' || ENV['DEV_DISABLE_ERRORS'] == 'true'
    Rails.configuration.middleware.delete( BetterErrors::Middleware )
  end

  BETTER_ERRORS_EDITORS = { 'x-mine:' => "x-mine://open?file=%{file}&line=%{line}", 'sublime:' => :sublime, 'txmt:' => :textmate, 'emacs:' => :emacs, 'mvim:' => :macvim }
  if RUBY_PLATFORM.index( 'darwin' )
    unless ENV['BETTER_ERRORS_EDITOR'].blank?
      # use `export BETTER_ERRORS_EDITOR='the-url-scheme'` to set which editor you want to use
      BetterErrors.editor = BETTER_ERRORS_EDITORS[ENV['BETTER_ERRORS_EDITOR']]
    else
      url_schemes = `/System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/Support/lsregister -dump | grep bindings:.*:`
      BETTER_ERRORS_EDITORS.each do |key, value|
        if url_schemes.index(key)
          BetterErrors.editor = value
          break
        end
      end
    end
  end
end