Function CopyFile

pkg/util.go:272–299

CopyFile copies a single file from src to dst

(src, dst string)

// CopyFile copies a single file from src to dst
func CopyFile(src, dst string) error {
	var err error
	var srcFd *os.File
	var dstFd *os.File
	var srcInfo os.FileInfo

	if srcFd, err = os.Open(src); err != nil {
		return err
	}
	defer func() {
		_ = srcFd.Close()
	}()

	if dstFd, err = os.Create(dst); err != nil {
		return err
	}
	defer func() {
		_ = dstFd.Close()
	}()

	if _, err = io.Copy(dstFd, srcFd); err != nil {
		return err
	}
	if srcInfo, err = os.Stat(src); err != nil {
		return err
	}
	return os.Chmod(dst, srcInfo.Mode())
}

// CopyDir copies a whole directory recursively
func CopyDir(src string, dst string) error {