runCommand -package:wai-app-static -package:graphviz -package:mongoDB -package:shake -package:pandoc-plot -package:shake-plus -package:cabal-install is:exact -package:io-streams -package:process -package:hledger -package:github-release -package:options -package:lambdabot-core
Given a list of command/action pairs, prompt the user to choose a
command using dmenu and return the corresponding action.