$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/firefox /var/lib/mock/dist-an8-build-7752-718/root/chroot_tmpdir/scmroot/firefox
Cloning into '/var/lib/mock/dist-an8-build-7752-718/root/chroot_tmpdir/scmroot/firefox'...
$ git reset --hard origin/a8
HEAD is now at 657efe8 rebrand: add firefox-anolis-default-prefs.js