From 15d854664a1265f209ff5f11ff86f0046ccff6d5 Mon Sep 17 00:00:00 2001
From: aschwinn <al.schwinn@gsi.de>
Date: Fri, 5 May 2017 16:55:18 +0200
Subject: [PATCH] download snap7 archive only, if not already available
---
snap7/build.sh | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/snap7/build.sh b/snap7/build.sh
index fe8ea20..4fb7c06 100755
--- a/snap7/build.sh
+++ b/snap7/build.sh
@@ -4,9 +4,13 @@ set -e
SNAP7_VERSION=1.4.0
SNAP7_FOLDER=snap7-full-${SNAP7_VERSION}
-rm -rf snap7-full*
-wget http://downloads.sourceforge.net/project/snap7/${SNAP7_VERSION}/${SNAP7_FOLDER}.tar.gz
-tar -vxzf ${SNAP7_FOLDER}.tar.gz
-mv ${SNAP7_FOLDER} snap7-full
+archiveFile=${SNAP7_FOLDER}.tar.gz
+if [ ! -f "$archiveFile" ]
+then
+ rm -rf snap7-full*
+ wget http://downloads.sourceforge.net/project/snap7/${SNAP7_VERSION}/${archiveFile}
+ tar -vxzf ${archiveFile}
+ mv ${SNAP7_FOLDER} snap7-full
+fi
cd snap7-full/build/unix
make -f x86_64_linux.mk
--
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