$ git clone -n https://gitee.com/xzyang-anolis/deepin-desktop-base.git /var/lib/mock/dist-an8.9-dde-build-368484-71240/root/chroot_tmpdir/scmroot/deepin-desktop-base
Cloning into '/var/lib/mock/dist-an8.9-dde-build-368484-71240/root/chroot_tmpdir/scmroot/deepin-desktop-base'...
$ git reset --hard origin/a8
HEAD is now at 617a01f change  desktop logo