$ git clone -n https://gitee.com/wency_cn/at-spi2-core_1770915255.git /var/lib/mock/dist-an23-build-514246-75110/root/chroot_tmpdir/scmroot/at-spi2-core_1770915255
Cloning into '/var/lib/mock/dist-an23-build-514246-75110/root/chroot_tmpdir/scmroot/at-spi2-core_1770915255'...
$ git fetch origin c12d229c050436dd37414792bfb1cb6cf0cdb9db:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/at-spi2-core_1770915255
 * [new ref]         c12d229c050436dd37414792bfb1cb6cf0cdb9db -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c12d229 Update code from upstream