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