$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/libpaper.git /var/lib/mock/dist-an7-build-31925-15836/root/chroot_tmpdir/scmroot/libpaper
Cloning into '/var/lib/mock/dist-an7-build-31925-15836/root/chroot_tmpdir/scmroot/libpaper'...
$ git reset --hard origin/a7
HEAD is now at b328c94 import libpaper-1.1.24-8.el7.src.rpm