$ git clone -n https://gitee.com/src-opencloudos-rpms/unbound.git /var/lib/mock/dist-oc9-build-80829-54087/root/chroot_tmpdir/scmroot/unbound
Cloning into '/var/lib/mock/dist-oc9-build-80829-54087/root/chroot_tmpdir/scmroot/unbound'...
$ git fetch origin fbce8550c4d6d57b1c9decabf4d2d1aed4e9e8f5:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/unbound
 * [new ref]         fbce8550c4d6d57b1c9decabf4d2d1aed4e9e8f5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fbce855 import unbound-1.17.1-6.tl4