return isDirectiveCopy(v) || isDirectiveReplace(v)
}

// Check if the directive COPY is requested.
func isDirectiveCopy(value string) bool {
	// By default if directive is not set we
	// treat it as 'COPY' this function returns true.
	return value == copyDirective || value == ""
}

// Check if the directive REPLACE is requested.
func isDirectiveReplace(value string) bool {

	// if encryption is enabled we do not need explicit "REPLACE" metadata to
	// be enabled as well - this is to allow for key-rotation.
	if !isDirectiveReplace(r.Header.Get(xhttp.AmzMetadataDirective)) && !isDirectiveReplace(r.Header.Get(xhttp.AmzTagDirective)) &&
		srcInfo.metadataOnly && srcOpts.VersionID == "" &&
		!crypto.Requested(r.Header) &&
		!crypto.IsSourceEncrypted(srcInfo.UserDefined) {