runCommand -package:wai-app-static -package:graphviz -package:shake-plus -package:pandoc-plot is:exact -package:process -package:mongoDB -package:io-streams -package:github-release -package:xmonad-contrib

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.
Runs a command using the shell.