chore: move everything out from src

config/moduleConfiguration.go

@@ -0,0 +1,101 @@
+package config
+
+import (
+	"alma/helpers"
+	"cmp"
+	"encoding/json"
+	"io"
+	"os"
+	"slices"
+)
+
+type ModuleConfiguration struct {
+	Target        string            `json:"target"`
+	Links         map[string]string `json:"links"`
+	Exclude       []string          `json:"exclude"`
+	ExcludeReadme bool              `json:"excludeReadme"`
+	Install       string            `json:"install"`
+	Configure     string            `json:"configure"`
+}
+
+func LoadModuleConfiguration(moduleConfigPath string) *ModuleConfiguration {
+	jsonFile, err := os.Open(moduleConfigPath)
+
+	if err != nil {
+		return nil
+	}
+
+	defer jsonFile.Close()
+
+	byteValue, _ := io.ReadAll(jsonFile)
+	var moduleConfigurationRoot map[string]*ModuleConfiguration
+	err = json.Unmarshal(byteValue, &moduleConfigurationRoot)
+	if err != nil {
+		return nil
+	}
+
+	platformKeys := make([]string, 0, len(moduleConfigurationRoot))
+
+	for key := range moduleConfigurationRoot {
+		if key != "default" && helpers.IsOnPlatform(key) {
+			platformKeys = append(platformKeys, key)
+		}
+	}
+
+	slices.SortFunc(platformKeys, func(i, j string) int {
+		return cmp.Compare(i, j)
+	})
+
+	var moduleConfiguration *ModuleConfiguration
+	if moduleConfigurationRoot["default"] != nil {
+		moduleConfiguration = moduleConfigurationRoot["default"]
+	}
+
+	for _, platformKey := range platformKeys {
+		moduleConfiguration.Merge(moduleConfigurationRoot[platformKey])
+	}
+
+	return moduleConfiguration
+}
+
+func (moduleConfig *ModuleConfiguration) Merge(mergeConfig *ModuleConfiguration) {
+	// Merge links
+	mergedLinks := make(map[string]string, len(moduleConfig.Links)+len(mergeConfig.Links))
+	for key, value := range moduleConfig.Links {
+		mergedLinks[key] = value
+	}
+
+	for key, value := range mergeConfig.Links {
+		mergedLinks[key] = value
+	}
+
+	moduleConfig.Links = mergedLinks
+
+	// Merge excludes
+	mergedExcludes := make([]string, len(moduleConfig.Exclude)+len(mergeConfig.Exclude))
+	excludeIndex := 0
+	for _, value := range moduleConfig.Exclude {
+		mergedExcludes[excludeIndex] = value
+		excludeIndex++
+	}
+
+	for _, value := range mergeConfig.Links {
+		mergedExcludes[excludeIndex] = value
+		excludeIndex++
+	}
+
+	moduleConfig.Exclude = mergedExcludes
+
+	// Simple properties
+	if mergeConfig.Target != "" {
+		moduleConfig.Target = mergeConfig.Target
+	}
+	if mergeConfig.Install != "" {
+		moduleConfig.Install = mergeConfig.Install
+	}
+	if mergeConfig.Configure != "" {
+		moduleConfig.Configure = mergeConfig.Configure
+	}
+
+	moduleConfig.ExcludeReadme = moduleConfig.ExcludeReadme || mergeConfig.ExcludeReadme
+}