$ git clone -n https://gitee.com/fundawang/unbound.git /var/lib/mock/dist-an23-build-353974-71027/root/chroot_tmpdir/scmroot/unbound
Cloning into '/var/lib/mock/dist-an23-build-353974-71027/root/chroot_tmpdir/scmroot/unbound'...
$ git fetch origin fdfbdcc945d84ba9fe0a475c3e6c0a88591d36a7:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/unbound
 * [new ref]         fdfbdcc945d84ba9fe0a475c3e6c0a88591d36a7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fdfbdcc try force