$ git clone -n https://gitee.com/fundawang/qemu-kvm.git /var/lib/mock/dist-an23-build-285664-64769/root/chroot_tmpdir/scmroot/qemu-kvm
Cloning into '/var/lib/mock/dist-an23-build-285664-64769/root/chroot_tmpdir/scmroot/qemu-kvm'...
$ git fetch origin ff7d812645ad0f9a95f3cf95e75919156856f608:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/qemu-kvm
 * [new ref]         ff7d812645ad0f9a95f3cf95e75919156856f608 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ff7d812 7.2.4