Improve optional stuff, add preserve flag

core/mod.go

@@ -16,11 +16,16 @@ type Mod struct {
 	Name     string      `toml:"name"`
 	FileName string      `toml:"filename"`
 	Side     string      `toml:"side,omitempty"`
-	Optional bool        `toml:"optional,omitempty"`
 	Download ModDownload `toml:"download"`
 	// Update is a map of map of stuff, so you can store arbitrary values on string keys to define updating
 	Update     map[string]map[string]interface{} `toml:"update"`
 	updateData map[string]interface{}
+
+	Option *struct {
+		Optional    bool   `toml:"optional"`
+		Description string `toml:"description,omitempty"`
+		Default     bool   `toml:"default,omitempty"`
+	} `toml:"option,omitempty"`
 }
 
 // ModDownload specifies how to download the mod file
@@ -95,4 +100,4 @@ func (m Mod) GetParsedUpdateData(updaterName string) (interface{}, bool) {
 // GetFilePath is a clumsy hack that I made because Mod already stores it's path anyway
 func (m Mod) GetFilePath() string {
 	return m.metaFile
-}
+}