runCommand -package:wai-app-static -package:libmpd -package:pandoc-plot -package:beam-migrate -package:shake -package:quickcheck-state-machine is:exact -package:mongoDB -package:process -package:io-streams -package:github-release -package:cabal-install -package:xmonad-contrib -package:hledger -package:graphviz

Run a Command.
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.