$ git clone -n https://gitee.com/src-opencloudos-rpms/unbound.git /var/lib/mock/dist-oc9-build-137422-79552/root/chroot_tmpdir/scmroot/unbound
Cloning into '/var/lib/mock/dist-oc9-build-137422-79552/root/chroot_tmpdir/scmroot/unbound'...
$ git fetch origin dc45431284818d7755ead87612f3b25deeda9b36:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/unbound
 * [new ref]         dc45431284818d7755ead87612f3b25deeda9b36 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dc45431 import unbound-1.17.1-10.tl4