$ git clone -n https://gitee.com/src-opencloudos-rpms/qemu.git /var/lib/mock/dist-oc9-build-49412-14595/root/chroot_tmpdir/scmroot/qemu
Cloning into '/var/lib/mock/dist-oc9-build-49412-14595/root/chroot_tmpdir/scmroot/qemu'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/qemu
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9c43bd4 import qemu-6.2.0-8.tl4