$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/xorg-x11-docs /var/lib/mock/dist-el8-build-8306-1172/root/chroot_tmpdir/scmroot/xorg-x11-docs
Cloning into '/var/lib/mock/dist-el8-build-8306-1172/root/chroot_tmpdir/scmroot/xorg-x11-docs'...
$ git reset --hard origin/a8
HEAD is now at 00ca966 import xorg-x11-docs-1.7.1-7.el8.src.rpm