$ git clone -n https://gitee.com/src-anolis-dde/deepin-wallpapers.git /var/lib/mock/dist-an23-dde-build-314289-67498/root/chroot_tmpdir/scmroot/deepin-wallpapers
Cloning into '/var/lib/mock/dist-an23-dde-build-314289-67498/root/chroot_tmpdir/scmroot/deepin-wallpapers'...
$ git reset --hard origin/a23
HEAD is now at ca11207 Specification spec file