Fix writing an empty file or a same length file has no effect in the …

…local disk mode
no-src · Mar 1, 2022 · 83826d2 · 83826d2
1 parent 994d7f2
commit 83826d2
Showing 1 changed file with 3 additions and 5 deletions.
diff --git a/sync/disk_sync.go b/sync/disk_sync.go
@@ -155,11 +155,6 @@ func (s *diskSync) write(path, dest string) error {
 
  sourceSize := sourceStat.Size()
 
- if sourceSize == 0 {
- log.Info("write to the dest file success [size=%d] [%s] -> [%s]", sourceSize, path, dest)
- return nil
- }
-
  reader := bufio.NewReader(sourceFile)
  writer := bufio.NewWriter(destFile)
 
@@ -200,6 +195,9 @@ func (s *diskSync) compare(sourceSize, destSize int64, sourceFile *os.File, dest
  }
 
  // reset the offset
+ if _, err = sourceFile.Seek(0, 0); err != nil {
+ return isSame, err
+ }
  if _, err = destFile.Seek(0, 0); err != nil {
  return isSame, err
  }