text: import { nvmTestVersions, Hooks } from 'nvm-test'
  import log from 'npmlog'
  import nodeVersions from './node-versions'
  
  export const command = 'travis'
  export const desc = 'Test using Node versions from Travis file'
  export const handler = (argv) => {
    // get options from argv
    const { install, test, dryRun, logLevel } = argv
  
    // set log heading & level
    log.heading = 'nvm-test travis'
    log.level = logLevel
  
    // get Node versions from Travis file
    log.info('config', 'Get Node versions from Travis file')
    let versions
    try {
      versions = nodeVersions()
    } catch (e) {
      log.error('config', e.toString())
      return e.code || 1
    }
  
    // define hooks
    const pre = (versions, { install, test, dryRun }) => {
      // info the versions
      log.info('nvm-test-versions', 'versions', versions.join(', '))
      // verbose the options
      log.verbose('nvm-test-versions', 'options', { install, test, dryRun })
    }
    const error = (code) => {
      log.error('nvm-test-versions', 'error code %s', code)
    }
    const nvmTestVersionHooks = new Hooks({
      pre: (version) => {
        // info the version
        log.info('nvm-test-version', 'version', version)
      },
      error: (code, version) => {
        log.verbose('nvm-test-version', 'error code %s for version', code, version)
      }
    })
    const hooks = new Hooks({
      pre,
      error,
      nvmTestVersionHooks
    })
  
    // nvm-test versions
    return nvmTestVersions(versions, { install, test, dryRun }, hooks)
  }
  