$ git clone -n https://gitee.com/happy_orange/clang.git /var/lib/mock/dist-an23-build-214165-61974/root/chroot_tmpdir/scmroot/clang
Cloning into '/var/lib/mock/dist-an23-build-214165-61974/root/chroot_tmpdir/scmroot/clang'...
$ git reset --hard c0b6190c5403084cada743641988d5f967e33835
HEAD is now at c0b6190 rebuild for llvm