class Bundler::CLI::Viz

def run
  # make sure we get the right `graphviz`. There is also a `graphviz`
  # gem we're not built to support
  gem "ruby-graphviz"
  require "graphviz"
  options[:without] = options[:without].join(":").tr(" ", ":").split(":")
  output_file = File.expand_path(options[:file])
  graph = Graph.new(Bundler.load, output_file, options[:version], options[:requirements], options[:format], options[:without])
  graph.viz
rescue LoadError => e
  Bundler.ui.error e.inspect
  Bundler.ui.warn "Make sure you have the graphviz ruby gem. You can install it with:"
  Bundler.ui.warn "`gem install ruby-graphviz`"
rescue StandardError => e
  raise unless e.message =~ /GraphViz not installed or dot not in PATH/
  Bundler.ui.error e.message
  Bundler.ui.warn "Please install GraphViz. On a Mac with Homebrew, you can run `brew install graphviz`."
end