$ git clone -n https://gitee.com/pang-qing/linux-firmware.git /var/lib/mock/dist-an7_9-updates-build-395704-72063/root/chroot_tmpdir/scmroot/linux-firmware
Cloning into '/var/lib/mock/dist-an7_9-updates-build-395704-72063/root/chroot_tmpdir/scmroot/linux-firmware'...
$ git fetch origin 64579806033b4904ed25a58875b747db13f05685:KOJI_FETCH_HEAD
From https://gitee.com/pang-qing/linux-firmware
 * [new ref]         64579806033b4904ed25a58875b747db13f05685 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6457980 CVE-2023-31315