title: Wercker Firebase Deployment issue
body: <p>I am trying automate Deployment to Firebase Hosting via Wercker and I am continously getting this error.</p>
  
  <p>Following this tutorial</p>
  
  <p><a href="https://medium.com/@pradeep1991singh/integrate-wercker-with-bitbucket-firebase-and-slack-7eb3bc38543d" rel="nofollow noreferrer">https://medium.com/@pradeep1991singh/integrate-wercker-with-bitbucket-firebase-and-slack-7eb3bc38543d</a></p>
  
  <h2>Stack Trace</h2>
  
  <pre><code>&gt; export WERCKER_STEP_ROOT="/pipeline/script-5ea4a2c6-b11f-4972-991a-eec61b3d43af"
  export WERCKER_STEP_ID="script-5ea4a2c6-b11f-4972-991a-eec61b3d43af"
  export WERCKER_STEP_OWNER="wercker"
  export WERCKER_STEP_NAME="script"
  export WERCKER_REPORT_NUMBERS_FILE="/report/script-5ea4a2c6-b11f-4972-991a-eec61b3d43af/numbers.ini"
  export WERCKER_REPORT_MESSAGE_FILE="/report/script-5ea4a2c6-b11f-4972-991a-eec61b3d43af/message.txt"
  export WERCKER_REPORT_ARTIFACTS_DIR="/report/script-5ea4a2c6-b11f-4972-991a-eec61b3d43af/artifacts"
  source "/pipeline/script-5ea4a2c6-b11f-4972-991a-eec61b3d43af/run.sh" &lt; /dev/null
  [2017-08-15T13:38:45.071Z] ----------------------------------------------------------------------
  [2017-08-15T13:38:45.076Z] Command:       /usr/local/bin/node /usr/local/bin/firebase deploy --project --token --debug
  [2017-08-15T13:38:45.076Z] CLI Version:   3.9.2
  [2017-08-15T13:38:45.076Z] Platform:      linux
  [2017-08-15T13:38:45.076Z] Node Version:  v7.10.1
  [2017-08-15T13:38:45.077Z] Time:          Tue Aug 15 2017 13:38:45 GMT+0000 (UTC)
  [2017-08-15T13:38:45.077Z] ----------------------------------------------------------------------
  [2017-08-15T13:38:45.091Z] &gt; command requires scopes: ["email","openid","https://www.googleapis.com/auth/cloudplatformprojects.readonly","https://www.googleapis.com/auth/firebase","https://www.googleapis.com/auth/cloud-platform"]
  [2017-08-15T13:38:45.091Z] &gt; no authorization credentials were supplied or found
  
  ⚠  Your CLI authentication needs to be updated to take advantage of new features.
  ⚠  Please run firebase login --reauth
  [2017-08-15T13:38:45.093Z] &gt; command requires scopes: ["email","openid","https://www.googleapis.com/auth/cloudplatformprojects.readonly","https://www.googleapis.com/auth/firebase"]
  [2017-08-15T13:38:45.093Z] &gt; no authorization credentials were supplied or found
  </code></pre>