$ git clone -n https://gitee.com/wency_cn/oniguruma.git /var/lib/mock/dist-an23-build-490927-74530/root/chroot_tmpdir/scmroot/oniguruma
Cloning into '/var/lib/mock/dist-an23-build-490927-74530/root/chroot_tmpdir/scmroot/oniguruma'...
$ git fetch origin 42e2def3f16d6dafcc26caaf4632ac2945a7c15e:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/oniguruma
 * [new ref]         42e2def3f16d6dafcc26caaf4632ac2945a7c15e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 42e2def Update code from upstream