$ git clone -n https://gitee.com/lzq11122/arm-trusted-firmware.git /var/lib/mock/dist-an23-build-448870-73423/root/chroot_tmpdir/scmroot/arm-trusted-firmware
Cloning into '/var/lib/mock/dist-an23-build-448870-73423/root/chroot_tmpdir/scmroot/arm-trusted-firmware'...
$ git fetch origin 68a7762a5d58d1f71018d9ff8332f30520df86c0:KOJI_FETCH_HEAD
From https://gitee.com/lzq11122/arm-trusted-firmware
 * [new ref]         68a7762a5d58d1f71018d9ff8332f30520df86c0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 68a7762 .