$ git clone -n https://gitee.com/malachite/qemu /var/lib/mock/dist-ocs23-riscv-base-build-327345-34612/root/chroot_tmpdir/scmroot/qemu
Cloning into '/var/lib/mock/dist-ocs23-riscv-base-build-327345-34612/root/chroot_tmpdir/scmroot/qemu'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/malachite/qemu
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5642dc5 update qemu.spec.