runCommand -package:structured-cli -package:github-release -package:process -package:shake-plus -package:beam-migrate -package:xmonad-contrib is:exact -package:cabal-install -package:pandoc-plot -package:mongoDB 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.