first try

lib/rails-recipes.rb

@@ -0,0 +1,3 @@
+require 'capistrano'
+dir = File.dirname(__FILE__)
+require File.join(dir, 'rails-recipes', 'console')

lib/rails-recipes/console.rb

@@ -0,0 +1,51 @@
+unless Capistrano::Configuration.respond_to?(:instance)
+  abort "rails-recipes requires Capistrano 2"
+end
+
+Capistrano::Configuration.instance(:must_exist).load do
+  namespace :rails do
+    desc "script/console on a remote server"
+    task :console do
+      rails_env = fetch(:rails_env, "production")
+      server = find_servers(:roles => [:app]).first
+      run_with_tty server, %W( script/console #{rails_env} )
+    end
+
+    desc "script/dbconsole on a remote server"
+    task :dbconsole do 
+      rails_env = fetch(:rails_env, "production")
+      server = find_servers(:roles => [:app]).first
+      run_with_tty server, %W( script/dbconsole #{rails_env} )
+    end
+
+    set :rake_cmd do
+      rails_env = fetch(:rails_env, "production")
+      "cd #{current_path} && rake RAILS_ENV=#{rails_env}"
+    end
+
+    # FIXME run on only one server?
+    desc "task=command runs rake 'command' on application servers"
+    task :rake, :roles => [:app] do
+      if ENV['task']
+        run "#{rake_cmd} #{ENV['task']}"
+      else
+        # FIXME use logger instead of warn?
+        warn "USAGE: cap rails:rake task=..."
+      end
+    end
+
+    def run_with_tty server, cmd
+      # looks like total pizdets
+      command = []
+      command += %W( ssh -t #{gateway} -l #{self[:gateway_user] || self[:user]} ) if self[:gateway]
+      command += %W( ssh -t )
+      command += %W( -p #{server.port}) if server.port
+      command += %W( -l #{user} #{server.host} )
+      command += %W( cd #{current_path} )
+      # have to escape this once if running via double ssh
+      command += [self[:gateway] ? '\&\&' : '&&']
+      command += Array(cmd)
+      system *command
+    end
+  end
+end