$ git clone -n https://gitee.com/src-anolis-os/gnome-boxes /var/lib/mock/dist-an8.7-build-159456-58550/root/chroot_tmpdir/scmroot/gnome-boxes
Cloning into '/var/lib/mock/dist-an8.7-build-159456-58550/root/chroot_tmpdir/scmroot/gnome-boxes'...
$ git reset --hard origin/a8
HEAD is now at 50cd30c spec: add extra package