$ git clone -n https://gitee.com/gcdota930915/qemu.git /var/lib/mock/dist-an23-build-443997-73188/root/chroot_tmpdir/scmroot/qemu
Cloning into '/var/lib/mock/dist-an23-build-443997-73188/root/chroot_tmpdir/scmroot/qemu'...
$ git fetch origin e349ee6e38b1506899cb5850b9fbbc1a654974b5:KOJI_FETCH_HEAD
From https://gitee.com/gcdota930915/qemu
 * [new ref]         e349ee6e38b1506899cb5850b9fbbc1a654974b5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e349ee6 Add patch to fix riscv build failure