Add support for GitHub API tokens when fetching releases

Looks for GITHUB_USER and GITHUB_TOKEN env vars

(cherry picked from commit cab1beb)

Author: taylortom

lib/installHelpers.js

@@ -361,13 +361,19 @@ function checkLatestAdaptRepoVersion(repoName, versionLimit, callback) {
   var nextPage = `https://api.github.com/repos/${DEFAULT_GITHUB_ORG}/${repoName}/releases`;
 
   var _getReleases = function(done) {
-    request({
+    const opts = {
       headers: {
         'User-Agent': DEFAULT_USER_AGENT
       },
       uri: nextPage,
       method: 'GET'
-    }, done);
+    };
+    const { GITHUB_USER, GITHUB_TOKEN } = process.env;
+    if(GITHUB_USER && GITHUB_TOKEN) {
+      const authHash = Buffer.from(`${GITHUB_USER}:${GITHUB_TOKEN}`).toString('base64');
+      opts.headers.Authorization = `Basic ${authHash}`;
+    }
+    request(opts, done);
   };
   var _requestHandler = function(error, response, body) {
     if(response) {