dev_server_runner.rb in shakapacker-7.2.0

- old
+ new

@@ -46,11 +46,11 @@
           $stdout.puts "The following CLI switches are not supported by Shakapacker: #{unsupported_switches.join(' ')}. Please edit your command and try again."
           exit!
         end
 
         if @argv.include?("--https") && !@https
-          $stdout.puts "Please set https: true in shakapacker.yml to use the --https command line flag."
+          $stdout.puts "--https requires that 'server' in shakapacker.yml is set to 'https'"
           exit!
         end
       end
 
       def detect_port!
@@ -84,10 +84,13 @@
         end
 
         cmd += ["--config", @webpack_config]
         cmd += ["--progress", "--color"] if @pretty
 
-        cmd += ["--hot"] if @hot
+        # Default behavior of webpack-dev-server is @hot = true
+        cmd += ["--hot", "only"] if @hot == "only"
+        cmd += ["--no-hot"] if !@hot
+
         cmd += @argv
 
         Dir.chdir(@app_path) do
           Kernel.exec env, *cmd
         end