From d7de341d5cc9687a46ab3ffa1a08e0c0a488ef6d Mon Sep 17 00:00:00 2001
From: Martin Ayotte <martinayotte@yahoo.ca>
Date: Wed, 5 Feb 2020 17:14:42 -0500
Subject: [PATCH] don't overwrite OVERLAY_PREFIX if already defined

---
 config/sources/families/sun8i.conf | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/config/sources/families/sun8i.conf b/config/sources/families/sun8i.conf
index a06e305861..992489746e 100644
--- a/config/sources/families/sun8i.conf
+++ b/config/sources/families/sun8i.conf
@@ -1,5 +1,8 @@
 source "${BASH_SOURCE%/*}/include/sunxi_common.inc"
-OVERLAY_PREFIX='sun8i-h3'
+
+if [[ -z ${OVERLAY_PREFIX} ]]; then
+	OVERLAY_PREFIX='sun8i-h3'
+fi
 
 [[ -z $CPUMIN ]] && CPUMIN=480000
 [[ -z $CPUMAX ]] && CPUMAX=1400000