$ git clone -n https://gitee.com/src-anolis-dde/deepin-wallpapers.git /var/lib/mock/dist-an8.9-dde-build-346378-69744/root/chroot_tmpdir/scmroot/deepin-wallpapers
Cloning into '/var/lib/mock/dist-an8.9-dde-build-346378-69744/root/chroot_tmpdir/scmroot/deepin-wallpapers'...
$ git reset --hard origin/a8
HEAD is now at 0f4c7a1 rebuild for qt5-qtbase