From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   90670b5ca890..defbd5b60c6c  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 defbd5b60c6c [gn build] Port 90670b5ca890