$ git clone -n https://gitee.com/fundawang/llvm.git /var/lib/mock/dist-an23-build-284888-64769/root/chroot_tmpdir/scmroot/llvm
Cloning into '/var/lib/mock/dist-an23-build-284888-64769/root/chroot_tmpdir/scmroot/llvm'...
$ git reset --hard 0954a222e578e2284c729d1c370f8a0afa48fb8e
HEAD is now at 0954a22 16.0.6
$ git lfs pull