src/commands/maintenance/index.js
'use strict'
let cli = require('heroku-cli-util')
let co = require('co')
function * run (context, heroku) {
let app = yield heroku.get(`/apps/${context.app}`)
cli.log(app.maintenance ? 'on' : 'off')
}
module.exports = {
topic: 'maintenance',
description: 'display the current maintenance status of app',
needsApp: true,
needsAuth: true,
run: cli.command(co.wrap(run))
}