908a999a72
Summary: https://github.com/facebook/rocksdb/issues/8031 broke internal tests. This should fix but also preserve the intended capability of getting git commit id when hg not used Pull Request resolved: https://github.com/facebook/rocksdb/pull/9047 Test Plan: already broken ¯\\_(ツ)_/¯ Reviewed By: zhichao-cao Differential Revision: D31732198 Pulled By: pdillinger fbshipit-source-id: 7dba8531ddca55a6de5e04978a1a1601aae4cee9