From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   ca136926c125..faf37adb3b33  main       -> origin/main
Switched to branch 'main'
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  (use "git pull" to update your local branch)
HEAD is now at faf37adb3b33 [Clang] Use const std::string & in ClangOptionDocEmitter. NFC. (#193926)