add mgconf

parse/mgconf.go

@@ -0,0 +1,46 @@
+package parse
+
+import (
+	"encoding/json"
+	"os"
+	"path/filepath"
+)
+
+type MGConfig struct {
+	Repos   []Repo
+	Aliases map[string]string
+}
+
+func (m MGConfig) GetRepoPaths() []string {
+	paths := []string{}
+	for _, r := range m.Repos {
+		paths = append(paths, r.Path)
+	}
+	return paths
+}
+
+func LoadMGConfig() (MGConfig, error) {
+	var config MGConfig
+	mgConf := os.Getenv("MGCONFIG")
+	if mgConf == "" {
+		confDir := os.Getenv("XDG_CONFIG_HOME")
+		if confDir == "" {
+			home, err := os.UserHomeDir()
+			if err != nil {
+				return MGConfig{}, err
+			}
+			confDir = filepath.Join(home, ".config")
+			if _, err := os.Stat(confDir); err != nil {
+				return MGConfig{}, err
+			}
+		}
+		mgConf = filepath.Join(confDir, "mgconfig")
+	}
+	file, err := os.ReadFile(mgConf)
+	if err != nil {
+		return MGConfig{}, err
+	}
+	err = json.Unmarshal(file, &config)
+
+	return config, err
+}