$ git clone -n https://gitee.com/rabbitali/at-spi2-core.git /var/lib/mock/dist-an23-build-466587-73981/root/chroot_tmpdir/scmroot/at-spi2-core
Cloning into '/var/lib/mock/dist-an23-build-466587-73981/root/chroot_tmpdir/scmroot/at-spi2-core'...
$ git fetch origin 87ddfaf96d7444dd2549fb2021cf30b298b10c20:KOJI_FETCH_HEAD
From https://gitee.com/rabbitali/at-spi2-core
 * [new ref]         87ddfaf96d7444dd2549fb2021cf30b298b10c20 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 87ddfaf Update code from upstream