$ git clone -n https://gitee.com/fundawang/llvm.git /var/lib/mock/dist-an23-build-207548-61647/root/chroot_tmpdir/scmroot/llvm
Cloning into '/var/lib/mock/dist-an23-build-207548-61647/root/chroot_tmpdir/scmroot/llvm'...
$ git reset --hard 17164c25afb9ab5e93b680b16fdfd4a96a7d3f43
HEAD is now at 17164c2 Rebuld with clang