$ git clone -n https://gitee.com/src-opencloudos-rpms/unbound.git /var/lib/mock/dist-oc9-build-245812-83380/root/chroot_tmpdir/scmroot/unbound
Cloning into '/var/lib/mock/dist-oc9-build-245812-83380/root/chroot_tmpdir/scmroot/unbound'...
$ git fetch origin f45c7fdd18a64c02192b39ec06b478aaf77f0653:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/unbound
 * [new ref]         f45c7fdd18a64c02192b39ec06b478aaf77f0653 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f45c7fd import unbound-1.17.1-14.tl4