$ git clone -n https://gitee.com/wenyuzifang/libatomic_ops.git /var/lib/mock/dist-an23-build-449948-73445/root/chroot_tmpdir/scmroot/libatomic_ops
Cloning into '/var/lib/mock/dist-an23-build-449948-73445/root/chroot_tmpdir/scmroot/libatomic_ops'...
$ git fetch origin 4cdbcb5b5da59502c3109cd7348469d6324edcf4:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/libatomic_ops
 * [new ref]         4cdbcb5b5da59502c3109cd7348469d6324edcf4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4cdbcb5 Update code from upstream