runCommand -package:wai-app-static -package:graphviz -package:options -package:xmonad-contrib -package:libmpd -package:pandoc-plot

Runs a command using the shell.
Run command against the database and return its result
runCommand1 foo = runCommand [foo =: 1]
Called before a command is about to run. The first argument is the step index and the second is a string representing the command about to be run.
Default to True. Should you run command line actions, set to False to skip actions whose output streams and exit code are not used. Useful for profiling the non-command portion of the build system.