$ git clone -n https://gitee.com/src-anolis-os/gnome-boxes.git /var/lib/mock/dist-an8.9-build-357314-71115/root/chroot_tmpdir/scmroot/gnome-boxes
Cloning into '/var/lib/mock/dist-an8.9-build-357314-71115/root/chroot_tmpdir/scmroot/gnome-boxes'...
$ git reset --hard origin/a8
HEAD is now at 19e1d0e spec: add extra package