text: #!/usr/bin/env node
  const request = require('request-promise')
  const VERSION = require('../dist/chrome/manifest.json').version
  
  start().catch(console.error)
  
  async function start () {
  
    console.log('VERSION', VERSION)
    const GITHUB_COMMENT_TOKEN = process.env.GITHUB_COMMENT_TOKEN
    const CIRCLE_PULL_REQUEST = process.env.CIRCLE_PULL_REQUEST
    console.log('CIRCLE_PULL_REQUEST', CIRCLE_PULL_REQUEST)
    const CIRCLE_SHA1 = process.env.CIRCLE_SHA1
    console.log('CIRCLE_SHA1', CIRCLE_SHA1)
    const CIRCLE_BUILD_NUM = process.env.CIRCLE_BUILD_NUM
    console.log('CIRCLE_BUILD_NUM', CIRCLE_BUILD_NUM)
  
    if (!CIRCLE_PULL_REQUEST) {
      console.warn(`No pull request detected for commit "${CIRCLE_SHA1}"`)
      return
    }
  
    const CIRCLE_PR_NUMBER = CIRCLE_PULL_REQUEST.split('/').pop()
    const SHORT_SHA1 = CIRCLE_SHA1.slice(0, 7)
    const BUILD_LINK_BASE = `https://${CIRCLE_BUILD_NUM}-42009758-gh.circle-artifacts.com/0`
  
    const MASCARA = `${BUILD_LINK_BASE}/builds/mascara/home.html`
    const CHROME = `${BUILD_LINK_BASE}/builds/metamask-chrome-${VERSION}.zip`
    const FIREFOX = `${BUILD_LINK_BASE}/builds/metamask-firefox-${VERSION}.zip`
    const EDGE = `${BUILD_LINK_BASE}/builds/metamask-edge-${VERSION}.zip`
    const OPERA = `${BUILD_LINK_BASE}/builds/metamask-opera-${VERSION}.zip`
    const WALKTHROUGH = `${BUILD_LINK_BASE}/test-artifacts/screens/walkthrough%20%28en%29.gif`
  
    const commentBody = `
    <details>
      <summary>
        Builds ready [${SHORT_SHA1}]:
        <a href="${MASCARA}">mascara</a>,
        <a href="${CHROME}">chrome</a>,
        <a href="${FIREFOX}">firefox</a>,
        <a href="${EDGE}">edge</a>,
        <a href="${OPERA}">opera</a>
      </summary>
      <image src="${WALKTHROUGH}">
    </details>
    `
  
    const JSON_PAYLOAD = JSON.stringify({ body: commentBody })
    const POST_COMMENT_URI = `https://api.github.com/repos/metamask/metamask-extension/issues/${CIRCLE_PR_NUMBER}/comments`
    console.log(`Announcement:\n${commentBody}`)
    console.log(`Posting to: ${POST_COMMENT_URI}`)
  
    await request({
        method: 'POST',
        uri: POST_COMMENT_URI,
        body: JSON_PAYLOAD,
        headers: {
          'User-Agent': 'metamaskbot',
          'Authorization': `token ${GITHUB_COMMENT_TOKEN}`,
        },
    })
  
  }
  