$ git clone -n https://gitee.com/fundawang/llvm.git /var/lib/mock/dist-an23-build-264424-63949/root/chroot_tmpdir/scmroot/llvm
Cloning into '/var/lib/mock/dist-an23-build-264424-63949/root/chroot_tmpdir/scmroot/llvm'...
$ git reset --hard 09130fb46664c0e3a3a31c8cce849d056b8be314
HEAD is now at 09130fb 16.0.4