config/auth.go
func (c *AuthConfig) Merge(o *AuthConfig) *AuthConfig {
	if c == nil {
		if o == nil {
			return nil
		}
		return o.Copy()
	}

	if o == nil {
		return c.Copy()
	}

	r := c.Copy()

	if o.Enabled != nil {
		r.Enabled = o.Enabled
	}

	if o.Username != nil {
		r.Username = o.Username
	}

	if o.Password != nil {
		r.Password = o.Password
	}

	return r
}
func (c *AuthConfig) Merge(o *AuthConfig) *AuthConfig {
	if c == nil {
		if o == nil {
			return nil
		}
		return o.Copy()
	}

	if o == nil {
		return c.Copy()
	}

	r := c.Copy()

	if o.Enabled != nil {
		r.Enabled = o.Enabled
	}

	if o.Username != nil {
		r.Username = o.Username
	}

	if o.Password != nil {
		r.Password = o.Password
	}

	return r
}
// Merge combines all values in this configuration with the values in the other
// configuration, with values in the other configuration taking precedence.
// Maps and slices are merged, most other values are overwritten. Complex
// structs define their own merge functionality.