Function CopyWithCallback

tools/iotools.go:23–40

CopyWithCallback copies reader to writer while performing a progress callback

(writer io.Writer, reader io.Reader, totalSize int64, cb CopyCallback)

// CopyWithCallback copies reader to writer while performing a progress callback
func CopyWithCallback(writer io.Writer, reader io.Reader, totalSize int64, cb CopyCallback) (int64, error) {
	if success, _ := CloneFile(writer, reader); success {
		if cb != nil {
			cb(totalSize, totalSize, 0)
		}
		return totalSize, nil
	}
	if cb == nil {
		return io.Copy(writer, reader)
	}

	cbReader := &CallbackReader{
		C:         cb,
		TotalSize: totalSize,
		Reader:    reader,
	}
	return io.Copy(writer, cbReader)
}

// Get a new Hash instance of the type used to hash LFS content
func NewLfsContentHash() hash.Hash {