Mozilla PDF.js

gulpfile.js

gulp.task('baseline', function (done) {
  console.log();
  console.log('### Creating baseline environment');

  var baselineCommit = process.env['BASELINE'];
  if (!baselineCommit) {
    done(new Error('Missing baseline commit. Specify the BASELINE variable.'));
    return;
  }

  var initializeCommand = 'git fetch origin';
  if (!checkDir(BASELINE_DIR)) {
    mkdirp.sync(BASELINE_DIR);
    initializeCommand = 'git clone ../../ .';
  }

  var workingDirectory = path.resolve(process.cwd(), BASELINE_DIR);
  exec(initializeCommand, { cwd: workingDirectory, }, function (error) {
    if (error) {
      done(new Error('Baseline clone/fetch failed.'));
      return;
    }

    exec('git checkout ' + baselineCommit, { cwd: workingDirectory, },
        function (error) {
      if (error) {
        done(new Error('Baseline commit checkout failed.'));
        return;
      }

      console.log('Baseline commit "' + baselineCommit + '" checked out.');
      done();
    });
  });
});