From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   615299934489..285b57b1a68e  main       -> origin/main
Switched to branch 'main'
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  (use "git pull" to update your local branch)
HEAD is now at 285b57b1a68e Update BOLT's README.md example optimization flag (#166251)