From 8e9d72982af59e273581135d67b9bf3b444bb4a7 Mon Sep 17 00:00:00 2001
From: Sandro Santilli <strk@keybit.net>
Date: Wed, 7 May 2014 11:03:25 +0200
Subject: [PATCH] Refuse to start if log_filename points to a non-existing
 directory

Closes #189
---
 app.js | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/app.js b/app.js
index d3836580..4792334d 100755
--- a/app.js
+++ b/app.js
@@ -7,6 +7,10 @@
  * environments: [development, production]
  */
 
+var path = require('path'),
+    fs = require('fs')
+;
+
 
 if ( process.argv[2] ) ENV = process.argv[2];
 else if ( process.env['NODE_ENV'] ) ENV = process.env['NODE_ENV'];
@@ -33,6 +37,13 @@ log4js_config = {
 };
 
 if ( global.environment.log_filename ) {
+  var logdir = path.dirname(global.environment.log_filename);
+  // See cwd inlog4js.configure call below
+  logdir = path.resolve(__dirname, logdir);
+  if ( ! fs.existsSync(logdir) ) {
+    console.error("Log filename directory does not exist: " + logdir);
+    process.exit(1);
+  }
   console.log("Logs will be written to " + global.environment.log_filename);
   log4js_config.appenders.push(
     { type: "file", filename: global.environment.log_filename }