$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/linux-firmware /var/lib/mock/dist-el8-build-6050-70/root/chroot_tmpdir/scmroot/linux-firmware
Cloning into '/var/lib/mock/dist-el8-build-6050-70/root/chroot_tmpdir/scmroot/linux-firmware'...
$ git reset --hard origin/a8
HEAD is now at 7a15b6c import linux-firmware-20191202-97.gite8a0f4c9.el8.src.rpm