cmd

type PluginHandler interface {
	// Lookup receives a potential filename and returns
	// a full or relative path to an executable, if one
	// exists at the given filename, or an error.
	Lookup(filename string) (string, error)
	// Execute receives an executable's filepath, a slice
	// of arguments, and a slice of environment variables
	// to relay to the executable.
	Execute(executablePath string, cmdArgs, environment []string) error
}