make pumactl restart start puma if not running

lib/puma/control_cli.rb

@@ -173,8 +173,13 @@ module Puma
       begin
         Process.getpgid pid
       rescue SystemCallError
+        if @options[:command] == "restart"
+          @options.delete(:command)
+          start
+        else
           raise "No pid '#{pid}' found"
         end
+      end
 
       case @options[:command]
       when "restart"
@@ -202,20 +207,7 @@ module Puma
     end
 
     def run
-      if @options[:command] == "start"
-        require 'puma/cli'
-
-        run_args = @argv
-        if path = @options[:status_path]
-          run_args = ["-S", path] + run_args
-        end
-
-        events = Puma::Events.new @stdout, @stderr
-
-        cli = Puma::CLI.new run_args, events
-        cli.run
-        return
-      end
+      start if @options[:command] == "start"
 
       prepare_configuration
 
@@ -229,5 +221,21 @@ module Puma
       message e.message
       exit 1
     end
+
+  private
+    def start
+      require 'puma/cli'
+
+      run_args = @argv
+      if path = @options[:status_path]
+        run_args = ["-S", path] + run_args
+      end
+
+      events = Puma::Events.new @stdout, @stderr
+
+      cli = Puma::CLI.new run_args, events
+      cli.run
+      return
+    end
   end
 end