// flags and interactive assignments.
var currentCfg = defaultConfig()
var currentMu sync.Mutex

func currentConfig() config {
	currentMu.Lock()
	defer currentMu.Unlock()
	return currentCfg
}

func setCurrentConfig(cfg config) {
	currentMu.Lock()
	defer currentMu.Unlock()
	currentCfg = cfg
}

// configField contains metadata for a single configuration field.
type configField struct {

		return nil, nil, errors.New("must have base profile to normalize by")
	}
	source.Normalize = normalize

	if bu, ok := o.Obj.(*binutils.Binutils); ok {
		bu.SetTools(*flagTools)
	}

	setCurrentConfig(cfg)
	return source, cmd, nil
}

// addBaseProfiles adds the list of base profiles or diff base profiles to
// the source. This function will return an error if both base and diff base