$ git clone -n https://gitee.com/fundawang/qemu.git /var/lib/mock/dist-an23-build-351474-70864/root/chroot_tmpdir/scmroot/qemu
Cloning into '/var/lib/mock/dist-an23-build-351474-70864/root/chroot_tmpdir/scmroot/qemu'...
$ git fetch origin edd94bf653606d85b7462d7795fdb633396d1536:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/qemu
 * [new ref]         edd94bf653606d85b7462d7795fdb633396d1536 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at edd94bf 7.2.9