$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/sane-backends /var/lib/mock/dist-el8-build-4221-34/root/chroot_tmpdir/scmroot/sane-backends
Cloning into '/var/lib/mock/dist-el8-build-4221-34/root/chroot_tmpdir/scmroot/sane-backends'...
$ git reset --hard origin/a8
HEAD is now at 06ac4f7 import sane-backends-1.0.27-19.el8.src.rpm