From https://github.com/llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   28c5a2c46d81..2084655d1e06  main       -> origin/main
Switched to branch 'main'
Your branch is behind 'origin/main' by 1 commit, and can be fast-forwarded.
  (use "git pull" to update your local branch)
HEAD is now at 2084655d1e06 Revert "[gn build] Port 2eb8c47b88e8"