From https://github.com/llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   cf002847a464..91de0a2c439c  main       -> origin/main
Your branch is behind 'origin/main' by 1 commit, and can be fast-forwarded.
  (use "git pull" to update your local branch)
Switched to branch 'main'
HEAD is now at 91de0a2c439c [libc] Refactor libc code to improve readability. (#153308)