$ npx egg-boilerplate-legacy --package=egg-boilerplate-empty showcase

$ npx egg-boilerplate-legacy --help

  --verbose       run at verbose mode, will print debug log                                                    [boolean]
  --baseDir       directory of application, default to `process.cwd()`                                          [string]
  --npm           npm cli, tnpm/cnpm/npm, will auto guess                                                       [string]
  --registry, -r  npm registry, support china/npm/custom, default to auto detect                                [string]
  --force, -f     force to override directory                                                                  [boolean]
  --package       boilerplate name                                                                              [string]
  --template      boilerplate package name                                                                      [string]