runCommand -package:wai-app-static -package:libmpd -package:io-streams -package:shake-plus -package:beam-migrate is:exact -package:process -package:graphviz -package:mongoDB -package:github-release -package:hledger

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.
Given a list of command/action pairs, prompt the user to choose a command using dmenu and return the corresponding action.
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.