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Diffstat (limited to 'guides/source/command_line.md')
| -rw-r--r-- | guides/source/command_line.md | 46 |
1 files changed, 36 insertions, 10 deletions
diff --git a/guides/source/command_line.md b/guides/source/command_line.md index 0091271363..60d0de17bc 100644 --- a/guides/source/command_line.md +++ b/guides/source/command_line.md @@ -92,6 +92,28 @@ $ rails new commandsapp Rails will set you up with what seems like a huge amount of stuff for such a tiny command! You've got the entire Rails directory structure now with all the code you need to run our simple application right out of the box. +If you wish to skip some files or components from being generated, you can append the following arguments to your `rails new` command: + +| Argument | Description | +| ----------------------- | ----------------------------------------------------------- | +| `--skip-gemfile` | Don't create a Gemfile | +| `--skip-git` | Skip .gitignore file | +| `--skip-keeps` | Skip source control .keep files | +| `--skip-action-mailer` | Skip Action Mailer files | +| `--skip-action-text` | Skip Action Text gem | +| `--skip-active-record` | Skip Active Record files | +| `--skip-active-storage` | Skip Active Storage files | +| `--skip-puma` | Skip Puma related files | +| `--skip-action-cable` | Skip Action Cable files | +| `--skip-sprockets` | Skip Sprockets files | +| `--skip-spring` | Don't install Spring application preloader | +| `--skip-listen` | Don't generate configuration that depends on the listen gem | +| `--skip-javascript` | Skip JavaScript files | +| `--skip-turbolinks` | Skip turbolinks gem | +| `--skip-test` | Skip test files | +| `--skip-system-test` | Skip system test files | +| `--skip-bootsnap` | Skip bootsnap gem | + ### `rails server` The `rails server` command launches a web server named Puma which comes bundled with Rails. You'll use this any time you want to access your application through a web browser. @@ -238,14 +260,17 @@ Usage: ... -Active Record options: - [--migration] # Indicates when to generate migration - # Default: true +ActiveRecord options: + [--migration], [--no-migration] # Indicates when to generate migration + # Default: true ... Description: - Create rails files for model generator. + Stubs out a new model. Pass the model name, either CamelCased or + under_scored, and an optional list of attribute pairs as arguments. + +... ``` NOTE: For a list of available field types for the `type` parameter, refer to the [API documentation](https://api.rubyonrails.org/classes/ActiveRecord/ConnectionAdapters/SchemaStatements.html#method-i-add_column) for the add_column method for the `SchemaStatements` module. The `index` parameter generates a corresponding index for the column. @@ -257,7 +282,7 @@ We will set up a simple resource called "HighScore" that will keep track of our ```bash $ rails generate scaffold HighScore game:string score:integer invoke active_record - create db/migrate/20130717151933_create_high_scores.rb + create db/migrate/20190416145729_create_high_scores.rb create app/models/high_score.rb invoke test_unit create test/models/high_score_test.rb @@ -275,20 +300,19 @@ $ rails generate scaffold HighScore game:string score:integer create app/views/high_scores/_form.html.erb invoke test_unit create test/controllers/high_scores_controller_test.rb + create test/system/high_scores_test.rb invoke helper create app/helpers/high_scores_helper.rb + invoke test_unit invoke jbuilder create app/views/high_scores/index.json.jbuilder create app/views/high_scores/show.json.jbuilder - invoke test_unit - create test/system/high_scores_test.rb + create app/views/high_scores/_high_score.json.jbuilder invoke assets - invoke coffee - create app/assets/javascripts/high_scores.coffee invoke scss create app/assets/stylesheets/high_scores.scss invoke scss - identical app/assets/stylesheets/scaffolds.scss + create app/assets/stylesheets/scaffolds.scss ``` The generator checks that there exist the directories for models, controllers, helpers, layouts, functional and unit tests, stylesheets, creates the views, controller, model and database migration for HighScore (creating the `high_scores` table and fields), takes care of the route for the **resource**, and new tests for everything. @@ -577,6 +601,8 @@ The `tmp:` namespaced commands will help you clear and create the `Rails.root/tm ### Miscellaneous +* `rails initializers` prints out all defined initializers in the order they are invoked by Rails. +* `rails middleware` lists Rack middleware stack enabled for your app. * `rails stats` is great for looking at statistics on your code, displaying things like KLOCs (thousands of lines of code) and your code to test ratio. * `rails secret` will give you a pseudo-random key to use for your session secret. * `rails time:zones:all` lists all the timezones Rails knows about. |