Method removeLine

programs/git-import/git-import.cpp:667–675

    }

    void removeLine(uint32_t num)
    {
//        std::cerr << "Removing line " << num << ", current_idx: " << current_idx << "\n";

        walk(num);

        if (current_idx == num && it != lines.end())
            it = lines.erase(it);
    }
};

/// All files with their blame info. When file is renamed, we also rename it in snapshot.