From 5e834968b21847381a95992df1816d75429cf5c4 Mon Sep 17 00:00:00 2001
From: Jakob Unterwurzacher <jakobunt@gmail.com>
Date: Sat, 15 Nov 2014 13:27:28 +0100
Subject: [PATCH] Handle ENCFS6_CONFIG set to non-existing file

This used to give the confusing error

	Found config file %s, but failed to load - exiting
---
 encfs/FileUtils.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/encfs/FileUtils.cpp b/encfs/FileUtils.cpp
index ef9c85e..c3538e0 100644
--- a/encfs/FileUtils.cpp
+++ b/encfs/FileUtils.cpp
@@ -363,7 +363,13 @@ ConfigType readConfig(const string &rootDir,
     // allow environment variable to override default config path
     if (nm->environmentOverride != NULL) {
       char *envFile = getenv(nm->environmentOverride);
-      if (envFile != NULL) return readConfig_load(nm, envFile, config);
+      if (envFile != NULL) {
+        if (! fileExists(envFile)) {
+          rError("fatal: config file specified by environment does not exist: %s", envFile);
+          exit(1);
+        }
+        return readConfig_load(nm, envFile, config);
+      }
     }
     // the standard place to look is in the root directory
     string path = rootDir + nm->fileName;