$ git clone -n https://gitee.com/wenyuzifang/at-spi2-core.git /var/lib/mock/dist-an23-build-465941-73955/root/chroot_tmpdir/scmroot/at-spi2-core
Cloning into '/var/lib/mock/dist-an23-build-465941-73955/root/chroot_tmpdir/scmroot/at-spi2-core'...
$ git fetch origin f89db1ca17628a6d54caee5a36b8506c073b097e:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/at-spi2-core
 * [new ref]         f89db1ca17628a6d54caee5a36b8506c073b097e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f89db1c Update code from upstream