feat!: force to use the bin dir as the data dir (close #2108)

- move default log path to `data/log/log.log`
- replace `--conf` with `--data`

cmd/flags/config.go

@@ -1,8 +1,9 @@
 package flags
 
 var (
-	Config   string // config file
+	DataDir     string
 	Debug       bool
 	NoPrefix    bool
 	Dev         bool
+	ForceBinDir bool
 )

cmd/root.go

@@ -24,8 +24,9 @@ func Execute() {
 }
 
 func init() {
-	rootCmd.PersistentFlags().StringVar(&flags.Config, "conf", "data/config.json", "config file")
+	rootCmd.PersistentFlags().StringVar(&flags.DataDir, "data", "data", "config file")
 	rootCmd.PersistentFlags().BoolVar(&flags.Debug, "debug", false, "start with debug mode")
 	rootCmd.PersistentFlags().BoolVar(&flags.NoPrefix, "no-prefix", false, "disable env prefix")
 	rootCmd.PersistentFlags().BoolVar(&flags.Dev, "dev", false, "start with dev mode")
+	rootCmd.PersistentFlags().BoolVar(&flags.ForceBinDir, "force-bin-dir", false, "Force to use the directory where the binary file is located as data directory")
 }

internal/bootstrap/config.go

@@ -12,19 +12,28 @@ import (
 )
 
 func InitConfig() {
-	log.Infof("reading config file: %s", flags.Config)
-	if !utils.Exists(flags.Config) {
+	if flags.ForceBinDir {
+		ex, err := os.Executable()
+		if err != nil {
+			utils.Log.Fatal(err)
+		}
+		exPath := filepath.Dir(ex)
+		flags.DataDir = filepath.Join(exPath, "data")
+	}
+	configPath := filepath.Join(flags.DataDir, "config.json")
+	log.Infof("reading config file: %s", configPath)
+	if !utils.Exists(configPath) {
 		log.Infof("config file not exists, creating default config file")
-		_, err := utils.CreateNestedFile(flags.Config)
+		_, err := utils.CreateNestedFile(configPath)
 		if err != nil {
 			log.Fatalf("failed to create config file: %+v", err)
 		}
 		conf.Conf = conf.DefaultConfig()
-		if !utils.WriteJsonToFile(flags.Config, conf.Conf) {
+		if !utils.WriteJsonToFile(configPath, conf.Conf) {
 			log.Fatalf("failed to create default config file")
 		}
 	} else {
-		configBytes, err := os.ReadFile(flags.Config)
+		configBytes, err := os.ReadFile(configPath)
 		if err != nil {
 			log.Fatalf("reading config file error: %+v", err)
 		}
@@ -38,7 +47,7 @@ func InitConfig() {
 		if err != nil {
 			log.Fatalf("marshal config error: %+v", err)
 		}
-		err = os.WriteFile(flags.Config, confBody, 0777)
+		err = os.WriteFile(configPath, confBody, 0777)
 		if err != nil {
 			log.Fatalf("update config struct error: %+v", err)
 		}

internal/conf/config.go

@@ -1,6 +1,9 @@
 package conf
 
 import (
+	"path/filepath"
+
+	"github.com/alist-org/alist/v3/cmd/flags"
 	"github.com/alist-org/alist/v3/pkg/utils/random"
 )
 
@@ -46,21 +49,24 @@ type Config struct {
 }
 
 func DefaultConfig() *Config {
+	tempDir := filepath.Join(flags.DataDir, "temp")
+	logPath := filepath.Join(flags.DataDir, "log/log.log")
+	dbPath := filepath.Join(flags.DataDir, "data.db")
 	return &Config{
 		Address:        "0.0.0.0",
 		Port:           5244,
 		JwtSecret:      random.String(16),
 		TokenExpiresIn: 48,
-		TempDir:        "data/temp",
+		TempDir:        tempDir,
 		Database: Database{
 			Type:        "sqlite3",
 			Port:        0,
 			TablePrefix: "x_",
-			DBFile:      "data/data.db",
+			DBFile:      dbPath,
 		},
 		Log: LogConfig{
 			Enable:     true,
-			Name:       "log/log.log",
+			Name:       logPath,
 			MaxSize:    10,
 			MaxBackups: 5,
 			MaxAge:     28,