$ git clone -n https://gitee.com/src-anolis-os/libcxx.git /var/lib/mock/dist-an23-build-265155-63992/root/chroot_tmpdir/scmroot/libcxx
Cloning into '/var/lib/mock/dist-an23-build-265155-63992/root/chroot_tmpdir/scmroot/libcxx'...
$ git reset --hard origin/a23
HEAD is now at 6b97d6b 16.0.4