switch to viper for configuration and use cobra for cli

cmd/root.go

@@ -0,0 +1,36 @@
+package cmd
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/drakkan/sftpgo/utils"
+	"github.com/spf13/cobra"
+)
+
+const (
+	logSender = "cmd"
+)
+
+var (
+	rootCmd = &cobra.Command{
+		Use:   "sftpgo",
+		Short: "Full featured and highly configurable SFTP server",
+	}
+)
+
+func init() {
+	rootCmd.Flags().BoolP("version", "v", false, "")
+	rootCmd.Version = utils.GetAppVersion()
+	rootCmd.SetVersionTemplate(`{{printf "SFTPGo version "}}{{printf "%s" .Version}}
+`)
+}
+
+// Execute adds all child commands to the root command and sets flags appropriately.
+// This is called by main.main(). It only needs to happen once to the rootCmd.
+func Execute() {
+	if err := rootCmd.Execute(); err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+}