$ git clone -n http://8.131.229.236/anolis-os/autoconf-archive /var/lib/mock/dist-el8-build-8417-1239/root/chroot_tmpdir/scmroot/autoconf-archive
Cloning into '/var/lib/mock/dist-el8-build-8417-1239/root/chroot_tmpdir/scmroot/autoconf-archive'...
$ git reset --hard origin/a8
HEAD is now at 5f475ad import autoconf-archive-2018.03.13-1.el8.src.rpm