Function internalCopy

pkg/internal/filesystem/helpers.go:189–209

internalCopy performs a simple copy from source to destination. This in itself is not safe.

(sourcePath, destinationPath string)

// internalCopy performs a simple copy from source to destination.
// This in itself is not safe.
func internalCopy(sourcePath, destinationPath string) (err error) {
	var source *os.File

	// Open source
	source, err = os.OpenFile(sourcePath, os.O_RDONLY, privateFilePermission)
	if err != nil {
		return err
	}

	defer func() {
		err = errors.Join(err, source.Close())
	}()

	// Read file length
	srcInfo, err := source.Stat()
	if err != nil {
		return err
	}

	return fileWrite(source, srcInfo.Size(), destinationPath, privateFilePermission, srcInfo.ModTime())
}

// fileWrite performs a simple write to the destination file from the provided io.Reader.
// This in itself is not safe.