writes backend without addons to zip, backend and frontend together still not working

app.js

@@ -87,6 +87,7 @@
 
 
 		function backendClean(){
+			console.log('in backendClean');
 			return new Promise((resolve,reject)=>{
 				exec('cd explorviz-ui-backend/plugins/net/explorviz/ && rm -rf plugins/*', (error, stdout,stderr)=>{
 					if (error) {
@@ -104,7 +105,7 @@
 		}
 
 		function backendPull(){
-
+			console.log('in backendPull');
 			return new Promise((resolve, reject)=> {
 
 				exec('cd ' + fileName + ' git pull ', (error, stdout, stderr) => {
@@ -124,7 +125,9 @@
 			
 		}
 
+
 		function backendInstallAddons(){
+			console.log('in backendInstallAddons');
 			return new Promise((resolve, reject)=>{
 				checkedPlugins = checkedFiles.filter(function(file){
 					return /\bexplorviz-backend-plugin-\w*/.exec(file);
@@ -133,7 +136,7 @@
 				if(checkedPlugins.length !== 0 ){
 
 					checkedPlugins.forEach((pluginName) => {
-						exec('git clone ' + downloadFiles[pluginName] + ' && cp -R '+ pluginName + '/ '+' explorviz-ui-backend/plugins/net/explorviz/plugins/', (error, stdout, stderr) => { //'cd explorviz-ui-backend/plugins/net/explorviz/plugins/ ' + 
+						exec('git clone ' + downloadFiles[pluginName] + ' && cd '+ pluginName +  ' && cp -R ' + ' . '+' ../explorviz-ui-backend/plugins/net/explorviz/plugins/ ', (error, stdout, stderr) => { //'cd explorviz-ui-backend/plugins/net/explorviz/plugins/ ' + 
 							
 							if (error) {
 								reject(error);
@@ -158,6 +161,7 @@
 		}
 
 		function backendBuild(){
+			console.log('in backendBuild');
 			return new Promise((resolve,reject)=>{
 				exec('cd '+ fileName + ' && mvn compile war:war ', (error,stdout,stderr)=> {
 					if (error) {
@@ -188,6 +192,7 @@
 
 		}
 		promiseArray.push(backendAll());
+		console.log('promiseArray:', promiseArray);
 		finalizeZip();
 		
 	} 
@@ -310,33 +315,47 @@ function streamFilesToZip(){
 	console.log('in streamFilesToZip');
 
 	return new Promise((resolve,reject)=> {
-		
+		console.log('promiseArray:', promiseArray);
 		Promise.all(promiseArray).then(files => {
 			console.log('in Promise.all');
 			let finishedArray=[];
 			files.forEach(file => {
 				if (file.zipFileName === 'backend.war'){
-// console.log('backendStream:');
-//              backendStream = fs.createReadStream(file.path);
-//              console.log('zip.file:');
-//             zip.file(file.zipFileName, backendStream);
-//             console.log('backend done:');
-// finishedArray.push('backend done');
-const backendStream = fs.readFileSync(file.path, "base64", function(error, data){
-  if(error){
-    console.log('error:', error)
+					console.log('in backend.war');
+
+					fs.readFileAsync = function(filePath){
+						return new Promise(function (resolve, reject) {
+							fs.readFile(filePath, function(err, data) {
+								if (err) {
+									reject(err);
+								} else {
+									resolve(data);
 								}
+
+							});
 						});
-          //console.log('backendStream:', backendStream);
-          const backendReadStream = fs.createReadStream(backendStream);
+					}
 
-          zip.file(file.zipFileName, backendReadStream);
-          finishedArray.push('backend finished');
-          if(finishedArray.length === files.length){
+					function addBackendToZip(data){
+						return new Promise(function(resolve,reject){
+							zip.file(file.zipFileName, data);
 							resolve();
+						})
 					}
 
 
+					backendContent = fs.readFileAsync(file.path);
+					backendContent.then(function(data){
+						addBackendToZip(data).then(function(){
+							resolve(finishedArray.push('backend finished'));
+						})
+
+					})
+
+					if(finishedArray.length === files.length){
+						resolve();
+					}
+
 
 
 				}
@@ -347,7 +366,6 @@ const backendStream = fs.readFileSync(file.path, "base64", function(error, data)
 					}).on('data', function(data){
 						for (let i=0; i<data.length; i++) {
 							const frontendReadStream = fs.createReadStream(data[i]);
-          console.log('data[i]:', data[i]);
 							zip.file(data[i], frontendReadStream);
 						}
 
@@ -357,6 +375,7 @@ const backendStream = fs.readFileSync(file.path, "base64", function(error, data)
 							resolve();
 						}
 					})
+					console.log('frontendStream:', frontendStream);
 
 				}