Method diff

plugins/subversion/3rdparty/kdevsvncpp/client_diff.cpp:79–161

  }

  std::string
  Client::diff(const Path & tmpPath, const Path & path,
               const Revision & revision1, const Revision & revision2,
               const bool recurse, const bool ignoreAncestry,
               const bool noDiffDeleted)
  {
    Pool pool;
    svn_error_t * error;
    apr_status_t status;
    apr_file_t * outfile = nullptr;
    const char * outfileName = nullptr;
    apr_file_t * errfile = nullptr;
    const char * errfileName = nullptr;
    apr_array_header_t * options;
    svn_stringbuf_t * stringbuf;

    // svn_client_diff needs an options array, even if it is empty
    options = apr_array_make(pool, 0, 0);

    // svn_client_diff needs a temporary file to write diff output to
    error = svn_io_open_unique_file(&outfile, &outfileName,
                                    tmpPath.c_str(), ".tmp",
                                    false, pool);

    if (error != nullptr)
    {
      diffCleanup(outfile, outfileName, errfile, errfileName, pool);
      throw ClientException(error);
    }

    // and another one to write errors to
    error = svn_io_open_unique_file(&errfile, &errfileName,
                                    tmpPath.c_str(), ".tmp",
                                    false, pool);

    if (error != nullptr)
    {
      diffCleanup(outfile, outfileName, errfile, errfileName, pool);
      throw ClientException(error);
    }

    // run diff
    error = svn_client_diff(options,
                            path.c_str(), revision1.revision(),
                            path.c_str(), revision2.revision(),
                            recurse, ignoreAncestry, noDiffDeleted,
                            outfile, errfile,
                            *m_context,
                            pool);

    if (error != nullptr)
    {
      diffCleanup(outfile, outfileName, errfile, errfileName, pool);
      throw ClientException(error);
    }

    // then we reopen outfile for reading
    status = apr_file_close(outfile);