$ git clone -n https://gitee.com/lzq11122/arm-trusted-firmware.git /var/lib/mock/dist-an23-build-451143-73471/root/chroot_tmpdir/scmroot/arm-trusted-firmware
Cloning into '/var/lib/mock/dist-an23-build-451143-73471/root/chroot_tmpdir/scmroot/arm-trusted-firmware'...
$ git fetch origin 634893e6cfd0428b119e18cd3c066996624a1065:KOJI_FETCH_HEAD
From https://gitee.com/lzq11122/arm-trusted-firmware
 * [new ref]         634893e6cfd0428b119e18cd3c066996624a1065 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 634893e .