Replace outdated cap-deploy-tagger with native task

lib/capistrano/tasks/new_artrails_capistrano.rake

@@ -69,6 +69,8 @@ namespace :load do
     set :proxy_port, nil # e.g. '3128'
 
     set :app_address, nil
+
+    set :skip_deploy_tagging, true
   end
 end
 
@@ -161,6 +163,23 @@ namespace :maintenance do
 end
 
 namespace :deploy do
+  desc "Tag deployed release"
+  task :tag do
+    run_locally do
+      if ENV['SKIP_DEPLOY_TAGGING'] || fetch(:skip_deploy_tagging, false)
+        info "Skipped deploy tagging"
+      else
+        tag_name = "#{fetch(:deploy_tag, "deployed")}_#{fetch(:stage)}"
+        latest_revision = fetch(:current_revision)
+        unless fetch(:sshkit_backend) ==  SSHKit::Backend::Printer # unless --dry-run flag present
+          execute :git, "tag -f #{tag_name} #{latest_revision}"
+          execute :git, "push -f --tags"
+        end
+        info "Tagged #{latest_revision} with #{tag_name}"
+      end
+    end
+  end
+
   task :front do
     on roles :app, exclude: :no_release do
       puts '[FRONT] updating local cache'
@@ -814,3 +833,4 @@ after "deploy:symlink:release",   "artrails:symlink:log"
 after "maintenance:on", "deploy:isItWorking:deactivate"
 after "maintenance:off", "deploy:isItWorking:activate"
 after "maintenance:off", "artrails:check_is_it_working"
+after "deploy:cleanup", "deploy:tag"

new_artrails_capistrano.gemspec

@@ -45,8 +45,6 @@ Gem::Specification.new do |spec|
   spec.add_dependency 'rack', '>= 1.6', '< 2'
   spec.add_dependency 'turnout', '>=  2.2', '< 3'
 
-  spec.add_dependency 'cap-deploy-tagger', '>= 0.2', '< 1'
-
   # http://yehudakatz.com/2010/12/16/clarifying-the-roles-of-the-gemspec-and-gemfile/
   spec.add_development_dependency 'bundler', '~> 1.10'
   spec.add_development_dependency 'rake', '~> 10.0'