$ git clone -n https://gitee.com/fundawang/llvm.git /var/lib/mock/dist-an23-build-207841-61678/root/chroot_tmpdir/scmroot/llvm
Cloning into '/var/lib/mock/dist-an23-build-207841-61678/root/chroot_tmpdir/scmroot/llvm'...
$ git reset --hard 9b14dce1a38f2b06c4318a19a7eee64c5e289c95
HEAD is now at 9b14dce Rebuild with clang