$ git clone -n https://gitee.com/sys0613/qemu-kvm.git /var/lib/mock/dist-an23-build-275444-64294/root/chroot_tmpdir/scmroot/qemu-kvm
Cloning into '/var/lib/mock/dist-an23-build-275444-64294/root/chroot_tmpdir/scmroot/qemu-kvm'...
$ git fetch origin 46035a804d76aeabf22a7f4d289036eb38b17b1c:KOJI_FETCH_HEAD
From https://gitee.com/sys0613/qemu-kvm
 * [new ref]         46035a804d76aeabf22a7f4d289036eb38b17b1c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 46035a8 rebuild with device-mapper-multipath update