$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/cockpit-composer /var/lib/mock/dist-el8-build-6123-80/root/chroot_tmpdir/scmroot/cockpit-composer
Cloning into '/var/lib/mock/dist-el8-build-6123-80/root/chroot_tmpdir/scmroot/cockpit-composer'...
$ git reset --hard origin/a8
HEAD is now at a592a56 import cockpit-composer-12.1-1.el8.src.rpm