refactor asset with embed tool

cmd/gonicscan/main.go

@@ -0,0 +1,48 @@
+package main
+
+import (
+	"flag"
+	"log"
+	"os"
+
+	"github.com/jinzhu/gorm"
+	_ "github.com/jinzhu/gorm/dialects/sqlite"
+	"github.com/peterbourgon/ff"
+
+	"github.com/sentriz/gonic/scanner"
+)
+
+const (
+	programName = "gonicscan"
+)
+
+func main() {
+	set := flag.NewFlagSet(programName, flag.ExitOnError)
+	musicPath := set.String(
+		"music-path", "",
+		"path to music")
+	dbPath := set.String(
+		"db-path", "gonic.db",
+		"path to database (optional)")
+	if err := ff.Parse(set, os.Args[1:]); err != nil {
+		log.Fatalf("error parsing args: %v\n", err)
+	}
+	if _, err := os.Stat(*musicPath); os.IsNotExist(err) {
+		log.Fatal("please provide a valid music directory")
+	}
+	db, err := gorm.Open("sqlite3", *dbPath)
+	if err != nil {
+		log.Fatalf("error opening database: %v\n", err)
+	}
+	db.SetLogger(log.New(os.Stdout, "gorm ", 0))
+	s := scanner.New(
+		db,
+		*musicPath,
+	)
+	if err := s.MigrateDB(); err != nil {
+		log.Fatalf("error migrating: %v\n", err)
+	}
+	if err := s.Start(); err != nil {
+		log.Fatalf("error starting scanner: %v\n", err)
+	}
+}