$ git clone -n https://src.fedoraproject.org/rpms/llvm9.0.git /var/lib/mock/f33-build-157368-43395/root/chroot_tmpdir/scmroot/llvm9.0
Cloning into '/var/lib/mock/f33-build-157368-43395/root/chroot_tmpdir/scmroot/llvm9.0'...
$ git reset --hard 8e5688aebcdc6d6198ea2b249bd5a7e443d23fc2
HEAD is now at 8e5688a Copy gating tests from llvm8.0