From fce61c6d35515b6f89b50f42ac2cba6b4b60159e Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Tue, 29 Oct 2013 16:11:55 +0100
Subject: [PATCH] scripts/utils.sh: add a function for setting a variable
 default

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
---
 scripts/utils.sh | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/scripts/utils.sh b/scripts/utils.sh
index 01d8ad5..a5dc782 100644
--- a/scripts/utils.sh
+++ b/scripts/utils.sh
@@ -13,6 +13,12 @@ add_default_handler() {
 	esac
 }
 
+set_default() {
+	local __s_var="$1"
+	local __s_val="$2"
+	eval "export -- \"$__s_var=\${$__s_var:-\$__s_val}\""
+}
+
 _config_add_generic() {
 	local type="$1"; shift
 
-- 
2.25.1