From https://github.com/llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   a89a66e69d02..6b4506009a0f  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 6b4506009a0f [libc++][Android] Fix Dockerfile (#154856)