$ git clone -n https://gitee.com/src-opencloudos-rpms/unbound.git /var/lib/mock/dist-oc8-build-68018-46725/root/chroot_tmpdir/scmroot/unbound
Cloning into '/var/lib/mock/dist-oc8-build-68018-46725/root/chroot_tmpdir/scmroot/unbound'...
$ git fetch origin 8fed5b78204b047bfd1bb916dcf3196e79aa86bf:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/unbound
 * [new ref]         8fed5b78204b047bfd1bb916dcf3196e79aa86bf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8fed5b7 import unbound-1.16.2-5.tl3.2