From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   21fb35bf0bfa..543b949bd7ba  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 543b949bd7ba [gn] port 9976e5702f05a40 more