0e2e67562f
Summary: My previous change to use lib2to3 to migrate clang-format-diff.py for Python 2 only works if there's nothing to reformat. Instead, give instructions to download to REPO_ROOT. Pull Request resolved: https://github.com/facebook/rocksdb/pull/7603 Test Plan: Try the instructions on a fresh CentOS 8 devserver Reviewed By: riversand963 Differential Revision: D24569608 Pulled By: pdillinger fbshipit-source-id: 1410ba163e016b226e883dec93fae3df9ed0eab2