runCommand -package:structured-cli -package:github-release -package:wai-app-static -package:process is:exact -package:xmonad-contrib -package:io-streams -package:cabal-install -package:mongoDB -package:graphviz package:options

Either calls the given continuation, prints help text and calls exitSuccess, or prints an error and calls exitFailure. See runSubcommand for details on subcommand support.