Fix potential Execution After Redirect bugs.

Execution After Redirect (EAR) happens when redirect in a controller is
triggered but there still is code that is executed in the action.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@5611 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/application_controller.rb

@@ -275,6 +275,7 @@ class ApplicationController < ActionController::Base
       end
     end
     redirect_to default
+    false
   end
   
   def render_403(options={})

app/controllers/custom_fields_controller.rb

@@ -38,9 +38,10 @@ class CustomFieldsController < ApplicationController
       flash[:notice] = l(:notice_successful_create)
       call_hook(:controller_custom_fields_new_after_save, :params => params, :custom_field => @custom_field)
       redirect_to :action => 'index', :tab => @custom_field.class.name
-    end
+    else
       @trackers = Tracker.find(:all, :order => 'position')
     end
+  end
 
   def edit
     @custom_field = CustomField.find(params[:id])
@@ -48,9 +49,10 @@ class CustomFieldsController < ApplicationController
       flash[:notice] = l(:notice_successful_update)
       call_hook(:controller_custom_fields_edit_after_save, :params => params, :custom_field => @custom_field)
       redirect_to :action => 'index', :tab => @custom_field.class.name
-    end
+    else
       @trackers = Tracker.find(:all, :order => 'position')
     end
+  end
   
   def destroy
     @custom_field = CustomField.find(params[:id]).destroy

app/controllers/enumerations_controller.rb

@@ -75,10 +75,12 @@ class EnumerationsController < ApplicationController
       # No associated objects
       @enumeration.destroy
       redirect_to :action => 'index'
+      return
     elsif params[:reassign_to_id]
       if reassign_to = @enumeration.class.find_by_id(params[:reassign_to_id])
         @enumeration.destroy(reassign_to)
         redirect_to :action => 'index'
+        return
       end
     end
     @enumerations = @enumeration.class.find(:all) - [@enumeration]

app/controllers/issue_categories_controller.rb

@@ -65,10 +65,12 @@ class IssueCategoriesController < ApplicationController
       # No issue assigned to this category
       @category.destroy
       redirect_to :controller => 'projects', :action => 'settings', :id => @project, :tab => 'categories'
+      return
     elsif params[:todo]
       reassign_to = @project.issue_categories.find_by_id(params[:reassign_to_id]) if params[:todo] == 'reassign'
       @category.destroy(reassign_to)
       redirect_to :controller => 'projects', :action => 'settings', :id => @project, :tab => 'categories'
+      return
     end
     @categories = @project.issue_categories - [@category]
   end

app/controllers/roles_controller.rb

@@ -38,19 +38,21 @@ class RolesController < ApplicationController
       end
       flash[:notice] = l(:notice_successful_create)
       redirect_to :action => 'index'
-    end
+    else
       @permissions = @role.setable_permissions
       @roles = Role.find :all, :order => 'builtin, position'
     end
+  end
 
   def edit
     @role = Role.find(params[:id])
     if request.post? and @role.update_attributes(params[:role])
       flash[:notice] = l(:notice_successful_update)
       redirect_to :action => 'index'
-    end
+    else
       @permissions = @role.setable_permissions  
     end
+  end
 
   def destroy
     @role = Role.find(params[:id])

app/controllers/settings_controller.rb

@@ -36,8 +36,7 @@ class SettingsController < ApplicationController
       end
       flash[:notice] = l(:notice_successful_update)
       redirect_to :action => 'edit', :tab => params[:tab]
-      return
-    end
+    else
       @options = {}
       @options[:user_format] = User::USER_FORMATS.keys.collect {|f| [User.current.name(f), f.to_s] }
       @deliveries = ActionMailer::Base.perform_deliveries
@@ -47,6 +46,7 @@ class SettingsController < ApplicationController
     
       Redmine::Themes.rescan
     end
+  end
 
   def plugin
     @plugin = Redmine::Plugin.find(params[:id])
@@ -54,9 +54,10 @@ class SettingsController < ApplicationController
       Setting["plugin_#{@plugin.id}"] = params[:settings]
       flash[:notice] = l(:notice_successful_update)
       redirect_to :action => 'plugin', :id => @plugin.id
-    end
+    else
       @partial = @plugin.settings[:partial]
       @settings = Setting["plugin_#{@plugin.id}"]
+    end
   rescue Redmine::PluginNotFound
     render_404
   end