renovate/lib/config/cli.js

const clearRequire = require('clear-require');
let commander = require('commander');
const configDefinitions = require('./definitions');

module.exports = {
  getCliName,
  getConfig,
};

function getCliName(option) {
  if (option.cli === false) {
    return '';
  }
  const nameWithHyphens = option.name.replace(/([A-Z])/g, '-$1');
  return `--${nameWithHyphens.toLowerCase()}`;
}

function getConfig(argv) {
  clearRequire('commander');
  commander = require('commander'); // eslint-disable-line
  const options = configDefinitions.getOptions();

  const config = {};

  const coersions = {
    boolean: val => (val === 'true'),
    list: val => val.split(',').map(el => el.trim()),
    string: val => val,
  };

  let program = commander.arguments('[repositories...]');

  options.forEach((option) => {
    if (option.cli !== false) {
      const param = `<${option.type}>`.replace('<boolean>', '[boolean]');
      const optionString = `${getCliName(option)} ${param}`;
      program = program.option(optionString, option.description, coersions[option.type]);
    }
  });

  /* istanbul ignore next */
  function helpConsole() {
    /* eslint-disable no-console */
    console.log('  Examples:');
    console.log('');
    console.log('    $ renovate --token abc123 singapore/lint-condo');
    console.log('    $ renovate --ignore-unstable=false --log-level verbose singapore/lint-condo');
    console.log('    $ renovate singapore/lint-condo singapore/package-test');
    /* eslint-enable no-console */
  }

  program = program
    .on('--help', helpConsole)
    .action((repositories) => {
      config.repositories = repositories;
    })
    .parse(argv);

  options.forEach((option) => {
    if (option.cli !== false) {
      if (program[option.name] !== undefined) {
        config[option.name] = program[option.name];
      }
    }
  });

  return config;
}