$ git clone -n https://gitee.com/wenyuzifang/at-spi2-core.git /var/lib/mock/dist-an23-build-465966-73955/root/chroot_tmpdir/scmroot/at-spi2-core
Cloning into '/var/lib/mock/dist-an23-build-465966-73955/root/chroot_tmpdir/scmroot/at-spi2-core'...
$ git fetch origin 89cc406687126ed243697d82bb080dc38e43edc9:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/at-spi2-core
 * [new ref]         89cc406687126ed243697d82bb080dc38e43edc9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 89cc406 Update code from upstream