From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   52f76c035aaa..4efc6a937839  main       -> origin/main
Switched to branch 'main'
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  (use "git pull" to update your local branch)
HEAD is now at 4efc6a937839 [cmake] Don't use PCH when clang-cache launcher is used (#183620)