get version from apk/ipa file.

local-cli/src/utils.js

@@ -4,6 +4,8 @@
 
 import * as path from 'path';
 import * as fs from 'fs';
+import ApkReader from 'node-apk-parser';
+import ipaMetadata from 'ipa-metadata';
 
 var read = require('read');
 
@@ -41,3 +43,17 @@ export function getRNVersion() {
     minor: match[2] | 0,
   };
 }
+
+export function getApkVersion(fn) {
+  const reader = ApkReader.readFile(fn);
+  const manifest = reader.readManifestSync();
+  return Promise.resolve(manifest.versionName);
+}
+
+export function getIPAVersion(fn) {
+  return new Promise((resolve, reject) => {
+    ipaMetadata(fn, (err, data) => {
+      err ? reject(err) : resolve(data);
+    });
+  });
+}

package.json

@@ -29,8 +29,10 @@
   "dependencies": {
     "cli-arguments": "^0.2.1",
     "fs-promise": "^0.4.1",
+    "ipa-metadata": "^1.4.0",
     "isomorphic-fetch": "^2.2.1",
     "mkdir-recursive": "^0.2.1",
+    "node-apk-parser": "^0.2.3",
     "node-bsdiff": "^0.1.2",
     "read": "^1.0.7",
     "yauzl": "^2.4.1",