$ git clone -n https://gitee.com/src-anolis-os/rrdtool.git /var/lib/mock/dist-an8.7-build-164899-58758/root/chroot_tmpdir/scmroot/rrdtool
Cloning into '/var/lib/mock/dist-an8.7-build-164899-58758/root/chroot_tmpdir/scmroot/rrdtool'...
$ git reset --hard origin/a8
HEAD is now at a8b229e Update doc sub package