Set modificationHappened to also depend on file size change

Signed-off-by: Claudio Cambra <[email protected]>

src/libsync/syncengine.cpp

@@ -357,7 +357,7 @@ void OCC::SyncEngine::slotItemDiscovered(const OCC::SyncFileItemPtr &item)
         // mini-jobs later on, we just update metadata right now.
 
         if (item->_direction == SyncFileItem::Down) {
-            auto modificationHappened = false;
+            auto modificationHappened = false; // Decides whether or not we modify file metadata
             QString filePath = _localPath + item->_file;
 
             // If the 'W' remote permission changed, update the local filesystem
@@ -369,6 +369,8 @@ void OCC::SyncEngine::slotItemDiscovered(const OCC::SyncFileItemPtr &item)
                 modificationHappened = FileSystem::setFileReadOnlyWeak(filePath, isReadOnly);
             }
 
+            modificationHappened |= item->_size != prev._fileSize;
+
             auto rec = item->toSyncJournalFileRecordWithInode(filePath);
             if (rec._checksumHeader.isEmpty())
                 rec._checksumHeader = prev._checksumHeader;