$ git clone -n https://gitee.com/liujie-answer/linux-firmware_oc8-0825 /var/lib/mock/dist-oc8-build-247952-83639/root/chroot_tmpdir/scmroot/linux-firmware_oc8-0825
Cloning into '/var/lib/mock/dist-oc8-build-247952-83639/root/chroot_tmpdir/scmroot/linux-firmware_oc8-0825'...
$ git fetch origin oc8:KOJI_FETCH_HEAD
From https://gitee.com/liujie-answer/linux-firmware_oc8-0825
 * [new branch]      oc8        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5d2f700 Linkdata: sxe2: Fold sxe2-firmware into the main linux-firmware package