Create local store functions

cmd/root.go

@@ -2,6 +2,7 @@ package cmd
 
 import (
 	"fmt"
+	"github.com/packwiz/packwiz/core"
 	"os"
 	"path/filepath"
 
@@ -40,12 +41,12 @@ func init() {
 	rootCmd.PersistentFlags().StringVar(&modsFolder, "mods-folder", "mods", "The default folder to store mod metadata files in")
 	_ = viper.BindPFlag("mods-folder", rootCmd.PersistentFlags().Lookup("mods-folder"))
 
-	file, err := os.UserConfigDir()
+	file, err := core.GetPackwizLocalStore()
 	if err != nil {
 		fmt.Println(err)
 		os.Exit(1)
 	}
-	file = filepath.Join(file, "packwiz", ".packwiz.toml")
+	file = filepath.Join(file, ".packwiz.toml")
 	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "The config file to use (default \""+file+"\")")
 }
 
@@ -55,13 +56,13 @@ func initConfig() {
 		// Use config file from the flag.
 		viper.SetConfigFile(cfgFile)
 	} else {
-		dir, err := os.UserConfigDir()
+		dir, err := core.GetPackwizLocalStore()
 		if err != nil {
 			fmt.Println(err)
 			os.Exit(1)
 		}
 
-		viper.AddConfigPath(filepath.Join(dir, "packwiz"))
+		viper.AddConfigPath(dir)
 		viper.SetConfigName(".packwiz")
 	}
 

core/storeutil.go

@@ -0,0 +1,46 @@
+package core
+
+import (
+	"os"
+	"path/filepath"
+	"runtime"
+)
+
+func GetPackwizLocalStore() (string, error) {
+	if //goland:noinspection GoBoolExpressions
+	runtime.GOOS == "linux" {
+		// Prefer $XDG_DATA_HOME over $XDG_CACHE_HOME
+		dataHome := os.Getenv("XDG_DATA_HOME")
+		if dataHome != "" {
+			return filepath.Join(dataHome, "packwiz"), nil
+		}
+	}
+	userConfigDir, err := os.UserConfigDir()
+	if err != nil {
+		return "", err
+	}
+	return filepath.Join(userConfigDir, "packwiz"), nil
+}
+
+func GetPackwizInstallBinPath() (string, error) {
+	localStore, err := GetPackwizLocalStore()
+	if err != nil {
+		return "", err
+	}
+	return filepath.Join(localStore, "bin"), nil
+}
+
+func GetPackwizInstallBinFile() (string, error) {
+	binPath, err := GetPackwizInstallBinPath()
+	if err != nil {
+		return "", err
+	}
+	var exeName string
+	if //goland:noinspection GoBoolExpressions
+	runtime.GOOS == "windows" {
+		exeName = "packwiz.exe"
+	} else {
+		exeName = "packwiz"
+	}
+	return filepath.Join(binPath, exeName), nil
+}