From https://github.com/llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   21d83324fbdb..b1916599befa  main       -> origin/main
Your branch is behind 'origin/main' by 5 commits, and can be fast-forwarded.
  (use "git pull" to update your local branch)
Switched to branch 'main'
HEAD is now at b1916599befa [gn build] Port 6de5fcc74637