Dedigest assets after deploy

config/deploy.rb

@@ -55,9 +55,10 @@ namespace :deploy do
   after :restart, :clear_cache do
     on roles(:web), in: :groups, limit: 3, wait: 10 do
       # Here we can do anything such as:
-      # within release_path do
+       within release_path do
-      #   execute :rake, 'cache:clear'
+         #execute :rake, 'cache:clear', as: 'www-data'
-      # end
+         execute :rake, 'dedigest_assets', as: 'www-data'
+       end
     end
   end
 

lib/capistrano/tasks/dedigest_assets.rake

@@ -0,0 +1,8 @@
+task dedigest_assets: :environment do
+  extensions = %w[jpg png js css gif]
+  Dir.glob(Rails.root.join('public/assets/**', "*.{#{extensions.join(',')}}")).each do |asset_path|
+   next unless asset_path =~ /-[a-f0-9]{32}\.(#{extensions.join('|')})\Z/
+   dedigest_path = asset_path.sub(/-[a-f0-9]{32}/, '')
+   `cp '#{asset_path}' '#{dedigest_path}' 2>/dev/null`
+  end
+end