init: Check if dir is empty part I

main.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"io/ioutil"
 	"flag"
 	"fmt"
 	"os"
@@ -151,6 +152,17 @@ func readPassword() string {
 	return string(p)
 }
 
+func dirEmpty(dir string) {
+	entries, err := ioutil.ReadDir(dir)
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(ERREXIT_CIPHERDIR)
+	}
+	for _, e := range(entries) {
+		fmt.Println(e.Name())
+	}
+}
+
 func cluefsFrontend(key []byte, cipherdir string, mountpoint string) {
 	cfs, err := cluefs_frontend.NewFS(key, cipherdir, USE_OPENSSL)
 	if err != nil {