pkg/chartmuseum/server: fix chart object path invalid(missing repo pr…

…efix) in multi-tenant server and fix #421.

Signed-off-by: scnace <[email protected]>

pkg/chartmuseum/server/multitenant/cache.go

@@ -204,10 +204,12 @@ func (server *MultiTenantServer) fetchChartsInStorage(log cm_logger.LoggingFn, r
 	for _, object := range allObjects {
 		if object.HasExtension(cm_repo.ChartPackageFileExtension) {
 			// Since ListObject cannot fetch the content from file list
-			object, err = server.StorageBackend.GetObject(object.Path)
+			objectDetail, err := server.StorageBackend.GetObject(pathutil.Join(repo, object.Path))
 			if err != nil {
 				return nil, fmt.Errorf("backend storage: chart not found: %q", err)
 			}
+			// do not change other object field except content
+			object.Content = objectDetail.Content
 			filteredObjects = append(filteredObjects, object)
 		}
 	}