fix: copy folder between two storage (fix #1670)

drivers/local/util.go

@@ -1,67 +1 @@
 package local
-
-import (
-	"fmt"
-	"io"
-	"io/ioutil"
-	"os"
-	"path"
-)
-
-// copyFile File 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 srcfd.Close()
-
-	if dstfd, err = os.Create(dst); err != nil {
-		return err
-	}
-	defer 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 Dir copies a whole directory recursively
-func copyDir(src string, dst string) error {
-	var err error
-	var fds []os.FileInfo
-	var srcinfo os.FileInfo
-
-	if srcinfo, err = os.Stat(src); err != nil {
-		return err
-	}
-	if err = os.MkdirAll(dst, srcinfo.Mode()); err != nil {
-		return err
-	}
-	if fds, err = ioutil.ReadDir(src); err != nil {
-		return err
-	}
-	for _, fd := range fds {
-		srcfp := path.Join(src, fd.Name())
-		dstfp := path.Join(dst, fd.Name())
-
-		if fd.IsDir() {
-			if err = copyDir(srcfp, dstfp); err != nil {
-				fmt.Println(err)
-			}
-		} else {
-			if err = copyFile(srcfp, dstfp); err != nil {
-				fmt.Println(err)
-			}
-		}
-	}
-	return nil
-}