$ git clone -n https://gitee.com/wenyuzifang/rpm-ostree.git /var/lib/mock/dist-an23-build-464294-73881/root/chroot_tmpdir/scmroot/rpm-ostree
Cloning into '/var/lib/mock/dist-an23-build-464294-73881/root/chroot_tmpdir/scmroot/rpm-ostree'...
$ git fetch origin 01b4af21e67fdfb447b93a42b75fac29c9180cf8:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/rpm-ostree
 * [new ref]         01b4af21e67fdfb447b93a42b75fac29c9180cf8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 01b4af2 Update code from upstream