firebase-tools/lib/prepareUpload.js

'use strict';

var fs = require('fs');
var path = require('path');
var RSVP = require('rsvp');
var tar = require('tar');
var tmp = require('tmp');

var FirebaseError = require('./error');
var fsutils = require('./fsutils');
var listFiles = require('./listFiles');

module.exports = function(options) {
  var hostingConfig = options.config.get('hosting');
  var publicDir = options.config.path(hostingConfig.public);
  var indexPath = path.join(publicDir, 'index.html');

  var tmpFile = tmp.fileSync({prefix: 'firebase-upload-', postfix: '.tar.gz'});
  var manifest = listFiles(publicDir, hostingConfig.ignore);

  return tar.c({
    gzip: true,
    file: tmpFile.name,
    cwd: publicDir,
    prefix: 'public',
    follow: true,
    noDirRecurse: true,
    portable: true
  }, manifest.slice(0)).then(function() {
    var stats = fs.statSync(tmpFile.name);
    return {
      file: tmpFile.name,
      stream: fs.createReadStream(tmpFile.name),
      manifest: manifest,
      foundIndex: fsutils.fileExistsSync(indexPath),
      size: stats.size
    };
  }).catch(function(err) {
    return RSVP.reject(new FirebaseError('There was an issue preparing Hosting files for upload.', {
      original: err,
      exit: 2
    }));
  });
};