Give the worker process a title

Closes #242

Author: jonleighton

lib/spring/application.rb

@@ -150,6 +150,7 @@ def serve(client)
         trap("TERM", "DEFAULT")
 
         ARGV.replace(args)
+        $0 = command.process_title
 
         # Delete all env vars which are unchanged from before spring started
         original_env.each { |k, v| ENV.delete k if ENV[k] == v }

lib/spring/command_wrapper.rb

@@ -37,11 +37,14 @@ def call
       if command.respond_to?(:call)
         command.call
       else
-        $0 = exec
         load exec
       end
     end
 
+    def process_title
+      ["spring", name, *ARGV].join(" ")
+    end
+
     def gem_name
       if command.respond_to?(:gem_name)
         command.gem_name