Method initialize

src/Context.cpp:507–758

///////////////////////////////////////////////////////////////////////////

////////////////////////////////////////////////////////////////////////////////
int Context::initialize(int argc, const char** argv) {
  timer_total.start();
  int rc = 0;
  home_dir = getenv("HOME");

  std::vector<std::string> searchPaths{TASK_RCDIR};

  try {
    ////////////////////////////////////////////////////////////////////////////
    //
    // [1] Load the correct config file.
    //     - Default to ~/.taskrc (ctor).
    //     - If no ~/.taskrc, use $XDG_CONFIG_HOME/task/taskrc if exists, or
    //       ~/.config/task/taskrc if $XDG_CONFIG_HOME is unset
    //     - Allow $TASKRC override.
    //     - Allow command line override rc:<file>
    //     - Load resultant file.
    //     - Apply command line overrides to the config.
    //
    ////////////////////////////////////////////////////////////////////////////

    bool taskrc_overridden = false;

    // XDG_CONFIG_HOME doesn't count as an override (no warning header)
    if (!rc_file.exists()) {
      // Use XDG_CONFIG_HOME if defined, otherwise default to ~/.config
      std::string xdg_config_home;
      const char* env_xdg_config_home = getenv("XDG_CONFIG_HOME");

      if (env_xdg_config_home)
        xdg_config_home = format("{1}", env_xdg_config_home);
      else
        xdg_config_home = format("{1}/.config", home_dir);

      // Ensure the path does not end with '/'
      if (xdg_config_home.back() == '/') xdg_config_home.pop_back();

      // https://github.com/GothenburgBitFactory/libshared/issues/32
      std::string rcfile_path = format("{1}/task/taskrc", xdg_config_home);

      File maybe_rc_file = File(rcfile_path);
      if (maybe_rc_file.exists()) rc_file = maybe_rc_file;
    }

    char* override = getenv("TASKRC");
    if (override) {
      rc_file = File(override);
      taskrc_overridden = true;
    }

    taskrc_overridden = CLI2::getOverride(argc, argv, rc_file) || taskrc_overridden;

    // Artificial scope for timing purposes.
    {
      Timer timer;
      config.parse(configurationDefaults, 1, searchPaths);
      config.load(rc_file._data, 1, searchPaths);
      debugTiming(format("Config::load ({1})", rc_file._data), timer);