From ed381227527cd0a15645d73ec906fc46d9a05320 Mon Sep 17 00:00:00 2001
From: Alexey Khit <alexey.khit@gmail.com>
Date: Tue, 25 Jul 2023 18:05:29 +0300
Subject: [PATCH] Code refactoring

---
 pkg/shell/shell.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkg/shell/shell.go b/pkg/shell/shell.go
index 719c0e68..d24b880a 100644
--- a/pkg/shell/shell.go
+++ b/pkg/shell/shell.go
@@ -44,6 +44,7 @@ func QuoteSplit(s string) []string {
 	return a
 }
 
+// ReplaceEnvVars - support format ${CAMERA_PASSWORD} and ${RTSP_USER:admin}
 func ReplaceEnvVars(text string) string {
 	re := regexp.MustCompile(`\${([^}{]+)}`)
 	return re.ReplaceAllStringFunc(text, func(match string) string {