cli.js

// Generated by LiveScript 1.3.1
async(function*(){
  var log;
  log = yield tailLastBuild(jobName, argv.follow);
  switch (false) {
  case !(log instanceof Just):
    log.value.pipe(process.stdout).on('end', process.exit);
    break;
  default:
    console.log('no such build');
  }
})();

cli.ls

  do async ->*
    log = yield tail-last-build job-name, argv.follow

    switch
    | log instanceof Just
      log.value
        .pipe process.stdout
        .on \end process.exit
    | otherwise
      console.log 'no such build'