$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/libpaper /var/lib/mock/dist-el8-build-4687-34/root/chroot_tmpdir/scmroot/libpaper
Cloning into '/var/lib/mock/dist-el8-build-4687-34/root/chroot_tmpdir/scmroot/libpaper'...
$ git reset --hard origin/a8
HEAD is now at f9d7c6c import libpaper-1.1.24-22.el8.src.rpm