Mailspring/app/build/tasks/create-mac-zip.js

/* eslint prefer-template: 0 */
/* eslint global-require: 0 */
/* eslint quote-props: 0 */
const path = require('path');

module.exports = grunt => {
  const { spawn } = grunt.config('taskHelpers');

  grunt.registerTask('create-mac-zip', 'Zip up Mailspring', function pack() {
    const done = this.async();
    const zipPath = path.join(grunt.config('outputDir'), 'Mailspring.zip');

    if (grunt.file.exists(zipPath)) {
      grunt.file.delete(zipPath, { force: true });
    }

    const orig = process.cwd();
    process.chdir(path.join(grunt.config('outputDir'), 'Mailspring-darwin-x64'));

    spawn(
      {
        cmd: 'zip',
        args: ['-9', '-y', '-r', '-9', '-X', zipPath, 'Mailspring.app'],
      },
      error => {
        process.chdir(orig);

        if (error) {
          done(error);
          return;
        }

        grunt.log.writeln(`>> Created ${zipPath}`);
        done(null);
      }
    );
  });
};