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

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.
Execute a Command.