$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/mozilla-filesystem /var/lib/mock/dist-el8-build-3876-34/root/chroot_tmpdir/scmroot/mozilla-filesystem
Cloning into '/var/lib/mock/dist-el8-build-3876-34/root/chroot_tmpdir/scmroot/mozilla-filesystem'...
$ git reset --hard origin/a8
HEAD is now at e4ee59d import mozilla-filesystem-1.9-18.el8.src.rpm