This is needed to properly run regenerate tasks which don't have local file inputs. Piggybacks a solution to #10965 too. --- Migrated from [LUCENE-9933](https://issues.apache.org/jira/browse/LUCENE-9933) by Dawid Weiss (@dweiss), resolved Apr 19 2021 Parent: #10910 Linked issues: - #10965 Pull requests: https://github.com/apache/lucene/pull/95