From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   1777581615ec..a1c9df8e7340  main       -> origin/main
Switched to branch 'main'
Your branch is behind 'origin/main' by 4 commits, and can be fast-forwarded.
  (use "git pull" to update your local branch)
HEAD is now at a1c9df8e7340 [gn build] Port f6e450004591 (#226369)