From 73fed621b9db5488cc6de5d035e6c090c43a7c50 Mon Sep 17 00:00:00 2001
From: windwp <windwp@users.noreply.github.com>
Date: Thu, 5 May 2022 09:22:57 +0700
Subject: [PATCH] feat: allow use system enviroment variables

---
 config.go      | 4 ++++
 config_test.go | 4 +++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/config.go b/config.go
index 560300e..5fa45b9 100644
--- a/config.go
+++ b/config.go
@@ -67,6 +67,10 @@ func ParseConfig(data string, settings map[string]string) (Config, error) {
 			return val
 		}
 
+		if val, ok := os.LookupEnv(v); ok {
+			return val
+		}
+
 		return v
 	})
 
diff --git a/config_test.go b/config_test.go
index af5af61..2af7e5f 100644
--- a/config_test.go
+++ b/config_test.go
@@ -1,6 +1,7 @@
 package main
 
 import (
+	"os"
 	"reflect"
 	"testing"
 )
@@ -15,6 +16,7 @@ windows:
     panes:
       - commands:
         - echo 2
+        - echo ${HOME}
         type: horizontal`
 
 	config, err := ParseConfig(yaml, map[string]string{
@@ -33,7 +35,7 @@ windows:
 				Panes: []Pane{
 					{
 						Type:     "horizontal",
-						Commands: []string{"echo 2"},
+						Commands: []string{"echo 2", "echo " + os.Getenv("HOME")},
 					},
 				},
 			},