func()

in oss/lib/cp.go [1564:1597]

• 33 lines of code
• 14 McCabe index (conditional complexity)

func (cc *CopyCommand) checkCopyArgs(srcURLList []StorageURLer, destURL StorageURLer, opType operationType) error {
	for _, url := range srcURLList {
		if url.IsCloudURL() && url.(CloudURL).bucket == "" {
			return fmt.Errorf("invalid cloud url: %s, miss bucket", url.ToString())
		}
	}
	if destURL.IsCloudURL() && destURL.(CloudURL).bucket == "" {
		return fmt.Errorf("invalid cloud url: %s, miss bucket", destURL.ToString())
	}

	switch opType {
	case operationTypePut:
		if destURL.IsFileURL() {
			return fmt.Errorf("copy files between local file system is not allowed in ossutil, if you want to upload to oss, please make sure dest_url starts with \"%s\",dest_url:%s", SchemePrefix, destURL.ToString())
		}
		for _, url := range srcURLList {
			if url.IsCloudURL() {
				return fmt.Errorf("invalid url: %s, copy between oss operation appear in upload operation, multi-type operations is not supported in one command", url.ToString())
			}
		}
		if len(srcURLList) > 1 {
			return fmt.Errorf("invalid url: %s, multiple source url in upload operation", srcURLList[1].ToString())
		}
	case operationTypeGet:
		if len(srcURLList) > 1 {
			return fmt.Errorf("invalid url: %s, multiple source url in download operation", srcURLList[1].ToString())
		}
	default:
		if len(srcURLList) > 1 {
			return fmt.Errorf("invalid url: %s, multiple source url in copy operation", srcURLList[1].ToString())
		}
	}
	return nil
}