Merge user dependencies with Electron dependencies (#98)

Author: fcastilloec

package.json

@@ -34,7 +34,7 @@
   },
   "dependencies": {
     "debug": "^3.1.0",
-    "electron-installer-common": "^0.1.0",
+    "electron-installer-common": "^0.2.0",
     "fs-extra": "^5.0.0",
     "lodash": "^4.17.4",
     "nodeify": "^1.0.1",

src/installer.js

@@ -3,6 +3,7 @@
 const _ = require('lodash')
 const common = require('electron-installer-common')
 const debug = require('debug')
+const dependencies = require('electron-installer-common/src/dependencies')
 const fs = require('fs-extra')
 const nodeify = require('nodeify')
 const path = require('path')
@@ -78,7 +79,10 @@ function getOptions (data, defaults) {
 
   // Wrap the extended description to avoid rpmlint warning about
   // `description-line-too-long`.
-  options.productDescription = wrap(options.productDescription, {width: 80, indent: ''})
+  options.productDescription = wrap(options.productDescription, { width: 80, indent: '' })
+
+  // Merges user and default dependencies
+  options.requires = dependencies.mergeUserSpecified(data, 'requires', defaults)
 
   // Scan if there are any installation scripts and adds them to the options
   return generateScripts(options)