$ git clone -n https://gitee.com/yan1hcdc/qemu.git /var/lib/mock/dist-an23.3-build-433065-73067/root/chroot_tmpdir/scmroot/qemu
Cloning into '/var/lib/mock/dist-an23.3-build-433065-73067/root/chroot_tmpdir/scmroot/qemu'...
$ git fetch origin 5af493a6de6a788fbe521c6d6eeac9f97ea0d5ff:KOJI_FETCH_HEAD
From https://gitee.com/yan1hcdc/qemu
 * [new ref]         5af493a6de6a788fbe521c6d6eeac9f97ea0d5ff -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5af493a add support for RISC-V build