$ git clone -n https://gitee.com/src-anolis-dde/onboard.git /var/lib/mock/dist-an8.7-dde-build-189255-60750/root/chroot_tmpdir/scmroot/onboard
Cloning into '/var/lib/mock/dist-an8.7-dde-build-189255-60750/root/chroot_tmpdir/scmroot/onboard'...
$ git reset --hard origin/a8
HEAD is now at 9794cc3 Rebuild  on an8.7-dde