From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   7554007c806e..a8e787ef54b2  main       -> origin/main
Switched to branch 'main'
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  (use "git pull" to update your local branch)
HEAD is now at a8e787ef54b2 [Clang] Permit `vulkan` as an OS for the SPIRV target architecture (#196101)