diff --git a/main.go b/main.go
index c8542c7..2857a50 100644
--- a/main.go
+++ b/main.go
@@ -2,17 +2,54 @@ package main
 
 import (
 	"flag"
+	"fmt"
 	"log"
+	"os"
 
 	_ "github.com/codingsince1985/checksum"
 )
 
 func main() {
 	var source_dir = flag.String("source_dir", "./", "Path to image folder (/srv/fwuploads-tmp/)")
+	var target_dir = flag.String("target_dir", "./", "Path to image folder in public (/srv/fwuploads/troisdorf)")
+	var branch = flag.String("branch", "", "Branch to work with")
 	flag.Parse()
-
-	err := generate_manifest(*source_dir)
+	sdir := *source_dir
+	tdir := *target_dir
+	br := *branch
+	var source_dir_branch string = sdir + br + "/"
+	var target_dir_branch string = tdir + br + "/"
+	err := generate_manifest(source_dir_branch)
 	if err != nil {
 		log.Println("Error generating Manifest file: ", err)
 	}
+	release_branch(*branch, source_dir_branch, target_dir_branch)
+}
+
+func release_branch(branch string, source_dir string, target_dir string) {
+	checkOldFolder, _ := os.ReadDir(source_dir)
+	checkNewFolder, _ := os.ReadDir(target_dir)
+	var newImages bool = false
+	if len(checkOldFolder) > 0 {
+		newImages = true
+	}
+
+	if newImages {
+		// delete old firmware files in public folder
+		for _, file := range checkNewFolder {
+			err := os.Remove(target_dir + file.Name())
+			if err != nil {
+				log.Println("error deleting file: ", err)
+			} else {
+				log.Println("removed file: ", file.Name())
+			}
+		}
+
+		//move new files to folder
+		for _, file := range checkOldFolder {
+			os.Rename(source_dir+file.Name(), target_dir+file.Name())
+			fmt.Println("moved file: ", file.Name())
+		}
+
+	}
 }