From 3a9f55d51f05a86966db8bcc38ec16be20d83d35 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=86gir=20=C3=96rn=20S=C3=ADmonarson?= <agirorn@gmail.com>
Date: Wed, 22 Feb 2017 11:43:12 +0000
Subject: [PATCH] Set proper exit code when  cpplint.py detects lint errors.

This will allow users to run node-cpplint in shell scripts and not force
them to use grunt-cpplint when that is not necessary.

node-cpplint src/** || echo "The C++ lint failed with exit code $?"
---
 lib/runner.js | 7 ++++++-
 package.json  | 5 +++--
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/lib/runner.js b/lib/runner.js
index 2e25e0c..c24cada 100644
--- a/lib/runner.js
+++ b/lib/runner.js
@@ -22,11 +22,16 @@ function runner(options, next) {
 
     /*jslint unparam:true*/
     exec(args.join(' ').trim(), function (err, stdout, stderr) {
-
       return parseOutput(stderr, next);
+    }).on('exit', function (exitCode) {
+      process.exitCode = exitCode;
     });
     /*jslint unparam:false*/
   });
 }
 
+process.on('exit', function () {
+  process.exit(process.exitCode);
+});
+
 module.exports = runner;
diff --git a/package.json b/package.json
index 3717259..13f1c26 100644
--- a/package.json
+++ b/package.json
@@ -33,8 +33,9 @@
   },
   "devDependencies": {
     "grunt": "~0.4.1",
+    "grunt-cli": "^1.2.0",
     "grunt-jslint": "~1.1.12",
-    "vows": "~0.7.0",
-    "grunt-vows": "~0.4.0"
+    "grunt-vows": "~0.4.0",
+    "vows": "~0.7.0"
   }
 }