From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   2df2f4a94969..4239bd787019  main       -> origin/main
Switched to branch 'main'
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  (use "git pull" to update your local branch)
HEAD is now at 4239bd787019 [Bazel] Pull in common incompatibility flags from BCR testing (#197326)