Method tryRename

fs/sync/sync.go:883–914

tryRename renames an src object when doing track renames if possible, it returns true if the object was renamed.

(src fs.Object)

// tryRename renames an src object when doing track renames if
// possible, it returns true if the object was renamed.
func (s *syncCopyMove) tryRename(src fs.Object) bool {
	// Calculate the hash of the src object
	hash := s.renameID(src, s.trackRenamesStrategy, fs.GetModifyWindow(s.ctx, s.fsrc, s.fdst))

	if hash == "" {
		return false
	}

	// Get a match on fdst
	dst := s.popRenameMap(hash, src)
	if dst == nil {
		return false
	}

	// Find dst object we are about to overwrite if it exists
	dstOverwritten, _ := s.fdst.NewObject(s.ctx, src.Remote())

	// Rename dst to have name src.Remote()
	_, err := operations.Move(s.ctx, s.fdst, dstOverwritten, src.Remote(), dst)
	if err != nil {
		fs.Debugf(src, "Failed to rename to %q: %v", dst.Remote(), err)
		return false
	}

	// remove file from dstFiles if present
	s.dstFilesMu.Lock()
	delete(s.dstFiles, dst.Remote())
	s.dstFilesMu.Unlock()

	fs.Infof(src, "Renamed from %q", dst.Remote())
	return true
}

// Syncs fsrc into fdst
//