From https://github.com/llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   3892e8e59ce4..86f6caa56225  main       -> origin/main
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  (use "git pull" to update your local branch)
Switched to branch 'main'
HEAD is now at 86f6caa56225 [llvm][Support] Add support for executing a detached process (#81708)