From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   adbd59f4af87..8673c6f2cda8  main       -> origin/main
Switched to branch 'main'
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HEAD is now at 8673c6f2cda8 [CMake] Give LLVM_EXTERNAL_PROJECTS installs a default component (#227799)