rename scope to prevent name collision

app/controllers/public/projects_controller.rb

@@ -6,7 +6,7 @@ class Public::ProjectsController < ApplicationController
   layout 'public'
 
   def index
-    @projects = Project.public
+    @projects = Project.public_only
     @projects = @projects.includes(:namespace).order("namespaces.path, projects.name ASC").page(params[:page]).per(20)
   end
 end

app/models/project.rb

@@ -91,7 +91,7 @@ class Project < ActiveRecord::Base
   scope :sorted_by_activity, ->() { order("(SELECT max(events.created_at) FROM events WHERE events.project_id = projects.id) DESC") }
   scope :personal, ->(user) { where(namespace_id: user.namespace_id) }
   scope :joined, ->(user) { where("namespace_id != ?", user.namespace_id) }
-  scope :public, -> { where(public: true) }
+  scope :public_only, -> { where(public: true) }
 
   class << self
     def abandoned