From f888a1c70aaa168e5956f911fd34b7a0a9bc8614 Mon Sep 17 00:00:00 2001
From: Sebastien Douheret <sebastien.douheret@iot.bzh>
Date: Thu, 7 Dec 2017 15:59:39 +0100
Subject: [PATCH] Support ~ or $VAR for --config option value

---
 main.go | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/main.go b/main.go
index c8effe6..ad237af 100644
--- a/main.go
+++ b/main.go
@@ -232,11 +232,16 @@ func main() {
 	// Load config file if requested
 	if confFile != "" {
 		earlyPrintf("confFile detected: %v", confFile)
+		confFile, err := common.ResolveEnvVar(confFile)
+		if err != nil {
+			exitError(1, "Error while resolving confFile: %v", err)
+		}
+		earlyPrintf("Resolved confFile: %v", confFile)
 		if !common.Exists(confFile) {
 			exitError(1, "Error env config file not found")
 		}
 		// Load config file variables that will overwrite env variables
-		err := godotenv.Overload(confFile)
+		err = godotenv.Overload(confFile)
 		if err != nil {
 			exitError(1, "Error loading env config file "+confFile)
 		}
-- 
2.16.6