$ git clone -n https://gitee.com/src-opencloudos-rpms/unbound.git /var/lib/mock/dist-oc9-build-90178-58780/root/chroot_tmpdir/scmroot/unbound
Cloning into '/var/lib/mock/dist-oc9-build-90178-58780/root/chroot_tmpdir/scmroot/unbound'...
$ git fetch origin 1bb222fb910bd00d48b2e49174abbbcf1a5e4115:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/unbound
 * [new ref]         1bb222fb910bd00d48b2e49174abbbcf1a5e4115 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1bb222f import unbound-1.17.1-7.tl4