Fixes as per review

Author: basdelfos

gulpfile.js

@@ -11,6 +11,7 @@ const del = require('del');
 const NwBuilder = require('nw-builder');
 const makensis = require('makensis');
 const deb = require('gulp-debian');
+const buildRpm = require('rpm-builder')
 const commandExistsSync = require('command-exists').sync;
 
 const gulp = require('gulp');
@@ -584,6 +585,29 @@ function release_osx64() {
     );
 }
 
+function getLinuxPackageArch(type, arch) {
+    var packArch;
+
+    switch (arch) {
+    case 'linux32':
+        packArch = 'i386';
+        break;
+    case 'linux64':
+        if (type == 'rpm') {
+            packArch = 'x86_64';
+        } else {
+            packArch = 'amd64';
+        }
+        break;
+    default:
+        console.error("Package error, arch: " + arch);
+        process.exit(1);
+        break;
+    }
+
+    return packArch;
+}
+
 // Create the dir directory, with write permissions
 function createDirIfNotExists(dir) {
     fs.mkdir(dir, '0775', function(err) {

package.json

@@ -22,9 +22,7 @@
   },
   "author": "The Betaflight open source project.",
   "license": "GPL-3.0",
-  "dependencies": {
-    "gulp-appdmg": "^1.0.3"
-  },
+  "dependencies": {},
   "devDependencies": {
     "command-exists": "^1.2.2",
     "del": "^3.0.0",