[GitHub] [airflow] gitstart-airflow commented on a diff in pull request #24039: Fix GCSToGCSOperator cannot copy a single file/folder without copying other files/folders with that prefix

[GitBox <gi...@apache.org>]

gitstart-airflow commented on code in PR #24039:
URL: https://github.com/apache/airflow/pull/24039#discussion_r886705126


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airflow/providers/google/cloud/transfers/gcs_to_gcs.py:
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@@ -341,6 +345,8 @@ def _copy_source_without_wildcard(self, hook, prefix):
                 raise AirflowException(msg)
 
         for source_obj in objects:
+            if self.exact_match and (source_obj != prefix or not source_obj.endswith(prefix)):
+                continue

Review Comment:
   @uranusjr That's the issue. According to this issue #22675 , treating these objects as prefix copies objects from the source bucket that has no match with the specified ```source_object```. So, checking ```not source_obj.endswith(prefix)``` makes sure we only copy the exact match and not copying all objects with the same prefix as the ```source_objext```



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