add scraping the torrent topics rss files

internal/flag.go

@@ -0,0 +1,55 @@
+package scraper
+
+import (
+	"flag"
+	"fmt"
+	"log"
+	"runtime"
+
+	"github.com/spf13/pflag"
+	"github.com/spf13/viper"
+)
+
+const usage = `Music Database (MDB) server/cli craftware'
+
+Usage:
+	mdb [command] -c [config-file-path]
+
+Commands:
+	-help,		-h  Print this message
+	-version	-v  Print version.
+	-config		-c  Set configuration file without extension. It is %s by default.
+	-section	-s  Select section e.g.: rutracker, bandcamp etc.
+
+The Go runtime version: %s
+Report bugs to https://git.amok.space/yevhen/resource-scraper/issues`
+
+const (
+	maxPasswordLength = 20
+	version           = "0.1"
+	defaultConfigPath = "./config/default"
+)
+
+func ParseFlags() {
+	flag.Bool("h", false, "")
+	flag.Bool("help", false, "")
+	flag.Bool("v", false, "")
+	flag.Bool("version", false, "")
+	flag.Bool("debug", false, "")
+	flag.String("config-file", defaultConfigPath, "config file location used for the program")
+	flag.String("scope", "", "")
+
+	pflag.CommandLine.AddGoFlagSet(flag.CommandLine)
+	pflag.Parse()
+	err := viper.BindPFlags(pflag.CommandLine)
+	if err != nil {
+		log.Fatalf("[ERR] Failed to bind flags to config: %s", err)
+	}
+
+	if viper.GetBool("h") || viper.GetBool("help") {
+		msg := fmt.Sprintf(usage, defaultConfigPath, runtime.Version())
+		fmt.Println(msg)
+	} else if viper.GetBool("v") || viper.GetBool("version") {
+		fmt.Println("MDB version", version)
+	}
+}