Call MetadataList::Save() in WriteMinimalList

Don't reimplement the same logic.

src/api/api_database.cpp

@@ -214,26 +214,15 @@ void ApiDatabase::WriteMinimalList(const std::string& outputFile, const bool ove
   if (boost::filesystem::exists(outputFile) && !overwrite)
     throw FileAccessError("Output file exists but overwrite is not set to true.");
 
-  Masterlist temp = masterlist_;
-  std::unordered_set<PluginMetadata> minimalPlugins;
-  for (const auto &plugin : temp.Plugins()) {
-    PluginMetadata p(plugin.GetName());
-    p.SetTags(plugin.GetTags());
-    p.SetDirtyInfo(plugin.GetDirtyInfo());
-    minimalPlugins.insert(p);
+  MetadataList minimalList;
+  for (const auto& plugin : masterlist_.Plugins()) {
+    PluginMetadata minimalPlugin(plugin.GetName());
+    minimalPlugin.SetTags(plugin.GetTags());
+    minimalPlugin.SetDirtyInfo(plugin.GetDirtyInfo());
+
+    minimalList.AddPlugin(minimalPlugin);
   }
 
-  YAML::Emitter yout;
-  yout.SetIndent(2);
-  yout << YAML::BeginMap
-    << YAML::Key << "plugins" << YAML::Value << minimalPlugins
-    << YAML::EndMap;
-
-  boost::filesystem::path p(outputFile);
-  boost::filesystem::ofstream out(p);
-  if (out.fail())
-    throw FileAccessError("Couldn't open output file.");
-  out << yout.c_str();
-  out.close();
+  minimalList.Save(outputFile);
 }
 }

src/api/metadata_list.cpp

@@ -69,20 +69,28 @@ void MetadataList::Load(const boost::filesystem::path& filepath) {
 
 void MetadataList::Save(const boost::filesystem::path& filepath) const {
   BOOST_LOG_TRIVIAL(trace) << "Saving metadata list to: " << filepath;
-  YAML::Emitter yout;
-  yout.SetIndent(2);
-  yout << YAML::BeginMap
-    << YAML::Key << "bash_tags" << YAML::Value << bashTags_
-    << YAML::Key << "globals" << YAML::Value << messages_
-    << YAML::Key << "plugins" << YAML::Value << Plugins()
-    << YAML::EndMap;
+  YAML::Emitter emitter;
+  emitter.SetIndent(2);
+  emitter << YAML::BeginMap;
 
-  boost::filesystem::ofstream uout(filepath);
-  if (uout.fail())
+  if (!bashTags_.empty())
+    emitter << YAML::Key << "bash_tags" << YAML::Value << bashTags_;
+
+  if (!messages_.empty())
+    emitter << YAML::Key << "globals" << YAML::Value << messages_;
+
+  auto plugins = Plugins();
+  if (!plugins.empty())
+    emitter << YAML::Key << "plugins" << YAML::Value << plugins;
+
+  emitter << YAML::EndMap;
+
+  boost::filesystem::ofstream out(filepath);
+  if (out.fail())
     throw FileAccessError("Couldn't open output file.");
 
-  uout << yout.c_str();
-  uout.close();
+  out << emitter.c_str();
+  out.close();
 }
 
 void MetadataList::Clear() {

src/tests/api/interface/database_interface_test.h

@@ -220,9 +220,7 @@ TEST_P(DatabaseInterfaceTest, writeUserMetadataShouldShouldNotWriteMasterlistMet
 
   EXPECT_NO_THROW(db_->WriteUserMetadata(minimalOutputPath_.string(), true));
 
-  std::string expectedContent = "bash_tags:\n  []\nglobals:\n  []\nplugins:\n  []";
-
-  EXPECT_EQ(expectedContent, GetFileContent(minimalOutputPath_));
+  EXPECT_EQ("{}", GetFileContent(minimalOutputPath_));
 }
 
 TEST_P(DatabaseInterfaceTest, writeUserMetadataShouldShouldWriteUserMetadata) {