From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   fd40c6066521..1c55313f344f  main       -> origin/main
Switched to branch 'main'
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  (use "git pull" to update your local branch)
HEAD is now at 1c55313f344f Treat `''` and `""` in Gnu-tokenized response files as an empty string argument. (#187566)