From e917557f2a5404f69aad0fad623effe92db5ed88 Mon Sep 17 00:00:00 2001
From: Christopher Roy Bratusek <nano@tuxfamily.org>
Date: Thu, 20 Jun 2013 21:31:41 +0200
Subject: [PATCH] common.sh: prevent re-download if RIIVOLUTION_ZIP already
 exists

---
 script.d/common.sh | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/script.d/common.sh b/script.d/common.sh
index 9c964e4..da27c0d 100644
--- a/script.d/common.sh
+++ b/script.d/common.sh
@@ -75,8 +75,12 @@ check_input_image () {
 check_riivolution_patch () {
 
 	if [[ ${DOWNLOAD} ]]; then
-		wget ${DOWNLOAD_LINK} -O ${RIIVOLUTION_ZIP}
-		unzip ${RIIVOLUTION_ZIP} >/dev/null
+		if [[ ! -f ${RIIVOLUTION_ZIP} ]]; then
+			wget ${DOWNLOAD_LINK} -O ${RIIVOLUTION_ZIP}
+		fi
+		if [[ ! -d "${RIIVOLUTION_DIR}" ]]; then
+			unzip ${RIIVOLUTION_ZIP} >/dev/null
+		fi
 	elif [[ -f ${RIIVOLUTION_ZIP} && ! -d "${RIIVOLUTION_DIR}" ]]; then
 		unzip ${RIIVOLUTION_ZIP} >/dev/null
 	elif [[ ! -d "${RIIVOLUTION_DIR}" ]]; then