$ git clone -n https://gitee.com/src-anolis-dde/lightdm.git /var/lib/mock/dist-an8.9-dde-build-305383-66680/root/chroot_tmpdir/scmroot/lightdm
Cloning into '/var/lib/mock/dist-an8.9-dde-build-305383-66680/root/chroot_tmpdir/scmroot/lightdm'...
$ git reset --hard origin/a8
HEAD is now at 8009eca rebuild for qt5-qtbase-5.15.3