$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/gnutls /var/lib/mock/dist-el8-build-6043-70/root/chroot_tmpdir/scmroot/gnutls
Cloning into '/var/lib/mock/dist-el8-build-6043-70/root/chroot_tmpdir/scmroot/gnutls'...
$ git reset --hard origin/a8
HEAD is now at c917187 import gnutls-3.6.8-9.el8.src.rpm