$ git clone -n https://gitee.com/src-anolis-os/kde-wallpapers.git /var/lib/mock/dist-an7-build-61191-33871/root/chroot_tmpdir/scmroot/kde-wallpapers
Cloning into '/var/lib/mock/dist-an7-build-61191-33871/root/chroot_tmpdir/scmroot/kde-wallpapers'...
$ git reset --hard origin/a7
HEAD is now at 10d8548 import kde-wallpapers-4.10.5-2.el7.src.rpm