From 928ffc96e6d5ce29ce36235e6ac7bd3f52697269 Mon Sep 17 00:00:00 2001
From: Brian Gough <bjg@network-theory.co.uk>
Date: Thu, 11 Aug 2016 09:32:47 +0100
Subject: [PATCH] read wordcount output asynchronously

---
 app/coffee/CompileManager.coffee | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/app/coffee/CompileManager.coffee b/app/coffee/CompileManager.coffee
index 39cff29..e3a218b 100644
--- a/app/coffee/CompileManager.coffee
+++ b/app/coffee/CompileManager.coffee
@@ -233,12 +233,11 @@ module.exports = CompileManager =
 
 		CommandRunner.run compileName, command, directory, image, timeout, {}, (error) ->
 			return callback(error) if error?
-			try
-				stdout = fs.readFileSync(directory + "/" + file_name + ".wc", "utf-8")
-			catch err
-				logger.err err:err, command:command, directory:directory, project_id:project_id, user_id:user_id, "error reading word count output"
-				return callback(err)
-			callback null, CompileManager._parseWordcountFromOutput(stdout)
+			fs.readFile directory + "/" + file_name + ".wc", "utf-8", (err, stdout) ->
+				if err?
+					logger.err err:err, command:command, directory:directory, project_id:project_id, user_id:user_id, "error reading word count output"
+					return callback(err)
+				callback null, CompileManager._parseWordcountFromOutput(stdout)
 
 	_parseWordcountFromOutput: (output) ->
 		results = {