release.js

var child_process = require('child_process')
var inquirer = require('inquirer')
var semver = require('semver')
var fs = require('fs')

var pkg = require('./package.json')
var bower = require('./bower.json')

console.log('')
console.log('Wellcome to Kefir release utility!')
console.log('----------------------------------------------------------------')
console.log('')

var questions = [
  {
    type: 'list',
    name: 'version',
    message: 'Which version will it be? (current is ' + pkg.version + ')',
    choices: [
      semver.inc(pkg.version, 'patch'),
      semver.inc(pkg.version, 'minor'),
      semver.inc(pkg.version, 'major'),
      semver.inc(pkg.version, 'premajor', 'rc'),
    ],
  },
  {
    type: 'list',
    name: 'dryRun',
    message: 'Do you want to release, or just see what would happen if you do?',
    choices: ['Just see', 'Release!'],
  },
]

inquirer.prompt(questions).then(function(answers) {
  var newVerison = answers.version
  var dryRun = answers.dryRun === 'Just see'

  bower.version = pkg.version = newVerison

  console.log('')
  if (dryRun) {
    console.log('Ok, here is what would happen:')
  } else {
    console.log('Doing actual release:')
  }
  console.log('')

  run('npm test', dryRun) &&
    bumpVersion('package.json', pkg, dryRun) &&
    bumpVersion('bower.json', bower, dryRun) &&
    run('npm run build', dryRun) &&
    run('git add .', dryRun) &&
    run('git add -f dist', dryRun) &&
    run('git add -f index.html', dryRun) &&
    run('git commit -m "' + newVerison + '"', dryRun) &&
    run('git push', dryRun) &&
    run('git tag -a ' + newVerison + ' -m "v' + newVerison + '"', dryRun) &&
    run('git push origin --tags', dryRun) &&
    run('npm publish', dryRun) &&
    run('git rm -r dist', dryRun) &&
    run('git rm index.html', dryRun) &&
    run('git commit -m "cleanup repository after release"', dryRun) &&
    run('git push', dryRun)
})

function bumpVersion(fileName, obj, dry) {
  console.log('Bumping version in `' + fileName + '` to ' + obj.version)
  if (!dry) {
    try {
      fs.writeFileSync(fileName, JSON.stringify(obj, null, '  ') + '\n')
      console.log('... ok')
    } catch (e) {
      console.error(e)
      return false
    }
  }
  return true
}

function run(cmd, dry) {
  console.log('Running `' + cmd + '`')
  if (!dry) {
    var proc = child_process.spawnSync(cmd, {
      stdio: 'inherit',
      shell: true,
    })
    if (proc.status === 0) {
      console.log('... ok')
    } else {
      console.error('... fail!')
      return false
    }
  }
  return true
}