pharext\Packager::loadSource PHP Method

    private function loadSource()
    {
        if ($this->args["source"]) {
            $source = $this->localize($this->args["source"]);
            if ($this->args["pecl"]) {
                $this->source = new SourceDir\Pecl($source);
            } elseif ($this->args["git"]) {
                $this->source = new SourceDir\Git($source);
            } elseif (is_file("{$source}/pharext_package.php")) {
                $this->source = (include "{$source}/pharext_package.php");
            } else {
                $this->source = new SourceDir\Basic($source);
            }
            if (!$this->source instanceof SourceDir) {
                throw new Exception("Unknown source dir {$source}");
            }
            foreach ($this->source->getPackageInfo() as $key => $val) {
                /* do not override command line arguments */
                if (!isset($this->args->{$key})) {
                    $this->args->{$key} = $val;
                }
            }
        }
    }