Merge pull request rails#16285 from noinkling/password_digest_docs

Add password:digest information to scaffold generator help text

Author: rafaelfranca

railties/lib/rails/generators/rails/model/USAGE

@@ -6,6 +6,11 @@ Description:
     model's attributes. Timestamps are added by default, so you don't have to
     specify them by hand as 'created_at:datetime updated_at:datetime'.
 
+    As a special case, specifying 'password:digest' will generate a
+    password_digest field of string type, and configure your generated model and
+    tests for use with ActiveModel has_secure_password (assuming the default ORM
+    and test framework are being used).
+
     You don't have to think up every attribute up front, but it helps to
     sketch out a few so you can start working with the model immediately.
 
@@ -27,7 +32,8 @@ Available field types:
         `rails generate model post title:string body:text`
 
     will generate a title column with a varchar type and a body column with a text
-    type. You can use the following types:
+    type. If no type is specified the string type will be used by default.
+    You can use the following types:
 
         integer
         primary_key
@@ -73,6 +79,10 @@ Available field types:
         `rails generate model user username:string{30}:uniq`
         `rails generate model product supplier:references{polymorphic}:index`
 
+    If you require a `password_digest` string column for use with
+    has_secure_password, you should specify `password:digest`:
+
+        `rails generate model user password:digest`
 
 Examples:
     `rails generate model account`

railties/lib/rails/generators/rails/scaffold/USAGE

@@ -9,11 +9,16 @@ Description:
 
     Attributes are field arguments specifying the model's attributes. You can
     optionally pass the type and an index to each field. For instance:
-    "title body:text tracking_id:integer:uniq" will generate a title field of
+    'title body:text tracking_id:integer:uniq' will generate a title field of
     string type, a body with text type and a tracking_id as an integer with an
     unique index. "index" could also be given instead of "uniq" if one desires
     a non unique index.
 
+    As a special case, specifying 'password:digest' will generate a
+    password_digest field of string type, and configure your generated model,
+    controller, views, and test suite for use with ActiveModel
+    has_secure_password (assuming they are using Rails defaults).
+
     Timestamps are added by default, so you don't have to specify them by hand
     as 'created_at:datetime updated_at:datetime'.
 
@@ -33,3 +38,4 @@ Examples:
     `rails generate scaffold post`
     `rails generate scaffold post title body:text published:boolean`
     `rails generate scaffold purchase amount:decimal tracking_id:integer:uniq`
+    `rails generate scaffold user email:uniq password:digest`