From 607fdb6ee49525f1c3949228c5f9ff35c534db10 Mon Sep 17 00:00:00 2001
From: Alejandro Mery <amery@jpi.io>
Date: Sat, 26 Jun 2021 18:59:50 +0100
Subject: [PATCH] envexp: add top-level Expand() using Getenv

Signed-off-by: Alejandro Mery <amery@jpi.io>
---
 envexp/global.go | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 envexp/global.go

diff --git a/envexp/global.go b/envexp/global.go
new file mode 100644
index 0000000..f5ce294
--- /dev/null
+++ b/envexp/global.go
@@ -0,0 +1,14 @@
+package envexp
+
+import (
+	"os"
+)
+
+var envExpander = &expander{
+	get: os.Getenv,
+}
+
+// Expand uses os.GetEnv() to expand a given string
+func Expand(s string) string {
+	return envExpander.Expand(s)
+}