Wait for server running, Chrome auto-refresh

Using process spawn rather than fork to enable waiting for “Server
running” rather than sleep 5 (more reliable). Probably should have some
process recovery in case this never happens. Also added an osascript to
automatically refresh current tab in Chrome so changes will be
automatically seen.

morea-watch.rb

@@ -16,11 +16,20 @@
 end
 
 def fork_MOREA()
-  pid = fork do
-    exec "./morea-run-local.sh"
-  end
+# stdout, stderr pipes
+	rout, wout = IO.pipe
+	rerr, werr = IO.pipe
+
+	pid = Process.spawn("./morea-run-local.sh", :out => wout, :err => werr)
 	Process.detach(pid)
-	sleep 5
+
+# Wait until we see the MOREA server is running 
+	until (line=rout.gets) =~ /Server running/ 
+    	puts(line) 
+  	end
+	wout.close
+	werr.close
+
 	return pid 
 end
 
@@ -80,6 +89,8 @@ def fork_MOREA()
       puts "goodby pid #{morea_pid}, restarting MOREA"
     end
     morea_pid = fork_MOREA
+# If using Chrome, tell it to reload the page so changes can be seen
+    `osascript -e 'tell application "Google Chrome" to tell the active tab of its first window to reload'`
   end
   sleep 1
-end
+end