Shows a project's CocoaPod dependency graph.
$ [sudo] gem install cocoapods-dependencies$ pod dependencies [PODSPEC] [--graphviz] [--image]Use the --graphviz option to generate <podspec name>.gv or Podfile.gv containing the dependency graph in graphviz format.
Use the --image option to generate <podspec name>.png or Podfile.png containing a rendering of the dependency graph.
[!] Note that for either graphviz or image output, GraphViz must be installed and dot must be accessible via $PATH.