$ git clone -n https://gitee.com/fundawang/unbound.git /var/lib/mock/dist-an23-build-353982-71027/root/chroot_tmpdir/scmroot/unbound
Cloning into '/var/lib/mock/dist-an23-build-353982-71027/root/chroot_tmpdir/scmroot/unbound'...
$ git fetch origin fc8573f545708d468d5fa346c3ee43a7391eb898:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/unbound
 * [new ref]         fc8573f545708d468d5fa346c3ee43a7391eb898 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fc8573f 1.19.1