Merge pull request #51 from IntractableQuery/master

Protect remote server from pushing

README.markdown

@@ -43,6 +43,9 @@ Add to config/deploy.rb:
 
     # if you want to work on a specific local environment (default = ENV['RAILS_ENV'] || 'development')
     set :locals_rails_env, "production"
+
+    # if you are highly paranoid and want to prevent any push operation to the server
+    set :disallow_pushing, true
 ```
 
 Add to .gitignore

lib/capistrano-db-tasks/dbtasks.rb

@@ -8,11 +8,18 @@
 set :assets_dir, 'system' unless fetch(:assets_dir)
 set :local_assets_dir, 'public' unless fetch(:local_assets_dir)
 set :skip_data_sync_confirm, (ENV['SKIP_DATA_SYNC_CONFIRM'].to_s.downcase == 'true')
+set :disallow_pushing, false unless fetch(:disallow_pushing)
+
+namespace :capistrano_db_tasks do
+  task :check_can_push do
+    raise "pushing is disabled, set disallow_pushing to false to carry out this operation" if fetch(:disallow_pushing)
+  end
+end
 
 namespace :db do
   namespace :remote do
     desc 'Synchronize your remote database using local database data'
-    task :sync do
+    task :sync => 'capistrano_db_tasks:check_can_push' do
       on roles(:db) do
         if fetch(:skip_data_sync_confirm) || Util.prompt('Are you sure you want to REPLACE THE REMOTE DATABASE with local database')
           Database.local_to_remote(self)
@@ -43,7 +50,7 @@
 namespace :assets do
   namespace :remote do
     desc 'Synchronize your remote assets using local assets'
-    task :sync do
+    task :sync => 'capistrano_db_tasks:check_can_push' do
       on roles(:app) do
         puts "Assets directories: #{fetch(:assets_dir)}"
         if fetch(:skip_data_sync_confirm) || Util.prompt("Are you sure you want to erase your server assets with local assets")
@@ -75,7 +82,7 @@
 namespace :app do
   namespace :remote do
     desc 'Synchronize your remote assets AND database using local assets and database'
-    task :sync do
+    task :sync => 'capistrano_db_tasks:check_can_push' do
       if fetch(:skip_data_sync_confirm) || Util.prompt("Are you sure you want to REPLACE THE REMOTE DATABASE AND your remote assets with local database and assets(#{fetch(:assets_dir)})")
         on roles(:db) do
           Database.local_to_remote(self)
@@ -110,4 +117,4 @@
 
   desc 'Synchronize your remote assets AND database using local assets and database'
   task :push => "app:remote:sync"
-end
+end