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Rake to odpowiednik Uniksowego ''make''. Wykorzystywany jest do wykonywania drobnych zadań administracyjnych, koniecznych podczas pisania aplikacji opartych na bazach danych. Najczęściej wykonywanym poleceniem jest ''rake db:migrate'', ale są również i inne:

==== Wyświetlenie listy dostępnych zadań ====

<code>
chopin:demo_app sqbell$ rake -T
(in /Users/sqbell/Workspace/rails_projects/demo_app)
rake about              # List versions of all Rails frameworks and the environment
rake db:create          # Create the database from config/database.yml for the current Rails.env (use db:create:all to crea...
rake db:drop            # Drops the database for the current Rails.env (use db:drop:all to drop all databases)
rake db:fixtures:load   # Load fixtures into the current environment's database.
rake db:migrate         # Migrate the database (options: VERSION=x, VERBOSE=false).
rake db:migrate:status  # Display status of migrations
rake db:rollback        # Rolls the schema back to the previous version (specify steps w/ STEP=n).
rake db:schema:dump     # Create a db/schema.rb file that can be portably used against any DB supported by AR
rake db:schema:load     # Load a schema.rb file into the database
rake db:seed            # Load the seed data from db/seeds.rb
rake db:setup           # Create the database, load the schema, and initialize with the seed data (use db:reset to also dro...
rake db:structure:dump  # Dump the database structure to an SQL file
rake db:version         # Retrieves the current schema version number
rake doc:app            # Generate docs for the app -- also availble doc:rails, doc:guides, doc:plugins (options: TEMPLATE=...
rake log:clear          # Truncates all *.log files in log/ to zero bytes
rake middleware         # Prints out your Rack middleware stack
rake notes              # Enumerate all annotations (use notes:optimize, :fixme, :todo for focus)
rake notes:custom       # Enumerate a custom annotation, specify with ANNOTATION=CUSTOM
rake rails:template     # Applies the template supplied by LOCATION=/path/to/template
rake rails:update       # Update both configs and public/javascripts from Rails (or use just update:javascripts or update:c...
rake routes             # Print out all defined routes in match order, with names.
rake secret             # Generate a cryptographically secure secret key (this is typically used to generate a secret for c...
rake stats              # Report code statistics (KLOCs, etc) from the application
rake test               # Runs test:units, test:functionals, test:integration together (also available: test:benchmark, tes...
rake test:recent        # Run tests for {:recent=>"test:prepare"} / Test recent changes
rake test:uncommitted   # Run tests for {:uncommitted=>"test:prepare"} / Test changes since last checkin (only Subversion a...
rake time:zones:all     # Displays all time zones, also available: time:zones:us, time:zones:local -- filter with OFFSET pa...
rake tmp:clear          # Clear session, cache, and socket files from tmp/ (narrow w/ tmp:sessions:clear, tmp:cache:clear, ...
rake tmp:create         # Creates tmp directories for sessions, cache, sockets, and pids
</code>

==== Statystyki ====

<code>
chopin:demo_app sqbell$ rake stats
(in /Users/sqbell/Workspace/rails_projects/demo_app)
+----------------------+-------+-------+---------+---------+-----+-------+
| Name                 | Lines |   LOC | Classes | Methods | M/C | LOC/M |
+----------------------+-------+-------+---------+---------+-----+-------+
| Controllers          |    86 |    61 |       2 |       7 |   3 |     6 |
| Helpers              |     4 |     4 |       0 |       0 |   0 |     0 |
| Models               |     2 |     2 |       1 |       0 |   0 |     0 |
| Libraries            |     0 |     0 |       0 |       0 |   0 |     0 |
| Integration tests    |     0 |     0 |       0 |       0 |   0 |     0 |
| Functional tests     |    49 |    39 |       1 |       0 |   0 |     0 |
| Unit tests           |    12 |     9 |       2 |       0 |   0 |     0 |
+----------------------+-------+-------+---------+---------+-----+-------+
| Total                |   153 |   115 |       6 |       7 |   1 |    14 |
+----------------------+-------+-------+---------+---------+-----+-------+
  Code LOC: 67     Test LOC: 48     Code to Test Ratio: 1:0.7
</code>

==== Lista obsługiwanych ścieżek ====

<code>
chopin:demo_app sqbell$ rake routes
(in /Users/sqbell/Workspace/rails_projects/demo_app)
    users GET    /users(.:format)          {:action=>"index", :controller=>"users"}
          POST   /users(.:format)          {:action=>"create", :controller=>"users"}
 new_user GET    /users/new(.:format)      {:action=>"new", :controller=>"users"}
edit_user GET    /users/:id/edit(.:format) {:action=>"edit", :controller=>"users"}
     user GET    /users/:id(.:format)      {:action=>"show", :controller=>"users"}
          PUT    /users/:id(.:format)      {:action=>"update", :controller=>"users"}
          DELETE /users/:id(.:format)      {:action=>"destroy", :controller=>"users"}
</code>

Można też wyspecyfikować kontroler:

<code>
[sqbell@sqbell-arch AgnosticAnisotropy]$ CONTROLLER=projects rake routes
      projects GET    /projects(.:format)          projects#index
               POST   /projects(.:format)          projects#create
   new_project GET    /projects/new(.:format)      projects#new
  edit_project GET    /projects/:id/edit(.:format) projects#edit
       project GET    /projects/:id(.:format)      projects#show
               PUT    /projects/:id(.:format)      projects#update
               DELETE /projects/:id(.:format)      projects#destroy
salesforecasts        /salesforecasts(.:format)    projects#salesforecasts
 project_staff        /project_staff(.:format)     projects#project_staff
</code>
==== Wyświetlanie listy TODO i FIXME ====

<code>
dpl11122:mototop sqbell$ rake notes
app/controllers/motorbikes_controller.rb:
  * [ 39] [TODO] add price sorting logic here
  * [129] [TODO] find_or_create?

app/models/motorbike.rb:
  * [200] [FIXME] Goes through all orders - not good

</code>

==== Status migracji ====

<code>
dpl11122:mototop sqbell$ rake db:migrate:status

database: db/development.sqlite3

 Status   Migration ID    Migration Name
--------------------------------------------------
   up     20120113100001  Devise create users
   up     20120114100002  Create makes
   up     20120114100003  Create models
   up     20120114100004  Create photos
   up     20120114100005  Add attachment photo to photo
   up     20120114100006  Create motorbikes
   up     20120120172238  Create ckeditor assets
   up     20120122204039  Create messages
   up     20120123162658  Add avatar id to motorbikes
   up     20120125090620  Create categories
   up     20120125132204  Add trigger to categories
   up     20120127113059  Create statuses
   up     20120127153152  Remove counter cache from categories
   up     20120129183724  Add stuff to motorbikes
   up     20120201085224  Create versions
   up     20120201090636  Add object changes to versions
   up     20120203215231  Create message templates
   up     20120213092807  Add modals to statuses
   up     20120213140228  Add read to motorbikes
   up     20120229083441  Add status id to messages
   up     20120321143316  Add radio input to drive
   up     20120424112859  Add user created to models
   up     20120424112939  Add user created to
</code>