$ git clone -n https://gitee.com/src-opencloudos-rpms/unbound.git /var/lib/mock/dist-oc8-build-243619-83149/root/chroot_tmpdir/scmroot/unbound
Cloning into '/var/lib/mock/dist-oc8-build-243619-83149/root/chroot_tmpdir/scmroot/unbound'...
$ git fetch origin d991556423a4858509a03add2232d221a2a9f977:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/unbound
 * [new ref]         d991556423a4858509a03add2232d221a2a9f977 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d991556 import unbound-1.16.2-5.12.tl3