$ git clone -n https://gitee.com/wenyuzifang/unbound.git /var/lib/mock/dist-an23-build-444601-73188/root/chroot_tmpdir/scmroot/unbound
Cloning into '/var/lib/mock/dist-an23-build-444601-73188/root/chroot_tmpdir/scmroot/unbound'...
$ git fetch origin 3f3d981d1cdec3eb0c0d3a303d2ab60dde1e5123:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/unbound
 * [new ref]         3f3d981d1cdec3eb0c0d3a303d2ab60dde1e5123 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3f3d981 Update code from upstream