$ git clone -n https://gitee.com/wenyuzifang/libatomic_ops.git /var/lib/mock/dist-an23-build-449966-73445/root/chroot_tmpdir/scmroot/libatomic_ops
Cloning into '/var/lib/mock/dist-an23-build-449966-73445/root/chroot_tmpdir/scmroot/libatomic_ops'...
$ git fetch origin f788041ebe107290c000ba2d410769473b3130d7:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/libatomic_ops
 * [new ref]         f788041ebe107290c000ba2d410769473b3130d7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f788041 Update code from upstream