Попытка исправления загрузки локального блоба

api.go

@@ -487,6 +487,13 @@ func (ag *Agate) RegisterLocalSnapshot(ctx context.Context, snapshotID, parentID
 	}
 
 	// 2. Add the file to the blob store
+	// Check if blob already exists. If so, we assume it's the correct one and skip overwriting.
+	// This is to prevent issues when registering a file that is already in the blob store.
+	_, err = ag.options.BlobStore.GetBlobPath(ctx, snapshotID)
+	if err == nil {
+		ag.options.Logger.Printf("blob for snapshot %s already exists, skipping storing it", snapshotID)
+	} else if errors.Is(err, models.ErrNotFound) {
+		// Blob does not exist, so we store it.
 		localFile, err := os.Open(localPath)
 		if err != nil {
 			return fmt.Errorf("failed to open local snapshot file: %w", err)
@@ -497,10 +504,13 @@ func (ag *Agate) RegisterLocalSnapshot(ctx context.Context, snapshotID, parentID
 			}
 		}()
 
-	_, err = ag.options.BlobStore.StoreBlob(ctx, snapshotID, localFile)
-	if err != nil {
+		if _, err = ag.options.BlobStore.StoreBlob(ctx, snapshotID, localFile); err != nil {
 			return fmt.Errorf("failed to store blob from local file: %w", err)
 		}
+	} else {
+		// Another error occurred when checking for the blob.
+		return fmt.Errorf("failed to check for existing blob: %w", err)
+	}
 
 	// 3. Create and save snapshot metadata
 	// We get the file list from the archive to create the metadata.