From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   23fdc1e9cd5a..707f7e521293  main       -> origin/main
Switched to branch 'main'
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  (use "git pull" to update your local branch)
HEAD is now at 707f7e521293 [CI] Build/test LLVM/Clang/libcxx on shared libc changes (#198379)