From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   1e72f290fa3f..f0054a48966e  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 f0054a48966e [libc++] Replace uses of _LIBCPP_WEAK with [[gnu::weak]] (#171798)