bundle-viz - Generates a visual dependency graph for your Gemfile
bundle viz [--file=FILE]
             [--format=FORMAT]
             [--requirements]
             [--version]
             [--without=GROUP GROUP]
viz generates a PNG file of the current Gemfile(5) as a dependency graph.
viz requires the ruby-graphviz gem (and its dependencies).
The associated gems must also be installed via bundle install(1).
--file, -f
--format option--format, -F
--requirements, -R
--version, -v
--without, -W