hueman/__grunt-tasks-config__/potomo.js

module.exports = {
  theme : {
    options: {
      poDel: false
    },
    files: [{
      expand: true,
      cwd: '<%= paths.lang %>',
      src: ['*.po'],
      dest: '<%= paths.lang %>',
      ext: '.mo',
      nonull: true
    }]
  }
}