$ git clone -n https://gitee.com/src-opencloudos-rpms/python-virt-firmware.git /var/lib/mock/dist-oc9-build-44747-14591/root/chroot_tmpdir/scmroot/python-virt-firmware
Cloning into '/var/lib/mock/dist-oc9-build-44747-14591/root/chroot_tmpdir/scmroot/python-virt-firmware'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/python-virt-firmware
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a514d52 import python-virt-firmware-1.7-3.tl4