Fix deploy, yo.

config/deploy.rb

@@ -41,7 +41,7 @@ set :rollbar_env, Proc.new { fetch :stage }
 set :rollbar_role, Proc.new { :app }
 
 # Create JS i18n files after precompiling assets
-after 'assets:precompile', 'i18n:js_assets'
+after 'deploy:assets:precompile', 'deploy:i18n_assets'
 
 # Restart the app server after successful deploy
 after 'deploy:cleanup', 'deploy:restart'

lib/capistrano/tasks/i18n.rake

@@ -1,5 +1,5 @@
-namespace :i18n do
-  task :js_assets do
+namespace :deploy do
+  task :i18n_js do
     within release_path do
       with rails_env: fetch(:rails_env), rails_groups: fetch(:rails_assets_groups) do
         execute :rake, "i18n:js:export"