runCommand -package:wai-app-static -package:graphviz -package:io-streams -package:process is:exact -package:xmonad-contrib -package:cabal-install -package:mongoDB -package:hledger -package:github-release

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.
Run a command within the PlotM monad. Stderr stream is read and decoded, while Stdout is ignored. Logging happens at the debug level if the command succeeds, or at the error level if it does not succeed.