3 files changed, 8 insertions, 1 deletions
diff --git a/railties/lib/rails/commands/server.rb b/railties/lib/rails/commands/server.rb
index c2434d62e2..7418dff18b 100644
--- a/railties/lib/rails/commands/server.rb
+++ b/railties/lib/rails/commands/server.rb
@@ -94,7 +94,8 @@ module Rails
         environment:        (ENV['RAILS_ENV'] || ENV['RACK_ENV'] || "development").dup,
         daemonize:          false,
         caching:            nil,
-        pid:                Options::DEFAULT_PID_PATH
+        pid:                Options::DEFAULT_PID_PATH,
+        restart_cmd:        restart_command
       })
     end
 
@@ -130,5 +131,9 @@ module Rails
           Rails.logger.extend(ActiveSupport::Logger.broadcast(console))
         end
       end
+
+      def restart_command
+        "bin/rails server #{ARGV.join(' ')}"
+      end
   end
 end
diff --git a/railties/lib/rails/dev_caching.rb b/railties/lib/rails/dev_caching.rb
index 4760010851..3c20164f0f 100644
--- a/railties/lib/rails/dev_caching.rb
+++ b/railties/lib/rails/dev_caching.rb
@@ -15,6 +15,7 @@ module Rails
         end
 
         FileUtils.touch 'tmp/restart.txt'
+        FileUtils.rm_f('tmp/pids/server.pid')
       end
 
       def enable_by_argument(caching)
diff --git a/railties/lib/rails/tasks/restart.rake b/railties/lib/rails/tasks/restart.rake
index f36c86d81b..7e15bb55a1 100644
--- a/railties/lib/rails/tasks/restart.rake
+++ b/railties/lib/rails/tasks/restart.rake
@@ -2,4 +2,5 @@ desc "Restart app by touching tmp/restart.txt"
 task :restart do
   FileUtils.mkdir_p('tmp')
   FileUtils.touch('tmp/restart.txt')
+  FileUtils.rm_f('tmp/pids/server.pid')
 end