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# File 'lib/standard/plugin/determines_class_constant.rb', line 4
def call(plugin_name, user_config)
require_plugin(user_config["require_path"])
if (constant_name = user_config["plugin_class_name"])
begin
Kernel.const_get(constant_name)
rescue
raise "Failed while configuring plugin `#{plugin_name}': no constant with name `#{constant_name}' was found"
end
else
begin
Kernel.const_get(Gem.loaded_specs[plugin_name].metadata["default_lint_roller_plugin"])
rescue LoadError, StandardError
raise " Failed loading plugin `\#{plugin_name}' because we couldn't determine\n the corresponding plugin class to instantiate.\n\n Standard plugin class names must either be:\n\n - If the plugin is a gem, defined in the gemspec as `default_lint_roller_plugin'\n\n spec.metadata[\"default_lint_roller_plugin\"] = \"MyModule::Plugin\"\n\n - Set in YAML as `plugin_class_name'; example:\n\n plugins:\n - incomplete:\n require_path: my_module/plugin\n plugin_class_name: \"MyModule::Plugin\"\n MSG\n end\n\n end\nend\n"
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