From 33e8afa0e09c182b602d6588329eb7c2f01b2189 Mon Sep 17 00:00:00 2001
From: Andrew Bauer <knnniggett@users.sourceforge.net>
Date: Fri, 17 Feb 2017 13:25:17 -0600
Subject: [PATCH] only patch packpack if it is not already patched

---
 utils/packpack/startpackpack.sh | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/utils/packpack/startpackpack.sh b/utils/packpack/startpackpack.sh
index fc0bbb586..117f1c1a9 100755
--- a/utils/packpack/startpackpack.sh
+++ b/utils/packpack/startpackpack.sh
@@ -87,7 +87,10 @@ elif [ "${OS}" == "debian" ] || [ "${OS}" == "ubuntu" ]; then
     echo "Begin Debian build..."
 
     # patch packpack to remove "debian" from the source tarball filename
-    patch -p1 < utils/packpack/deb.mk.patch
+    patch --dry-run --silent -f -p1 < utils/packpack/deb.mk.patch 2>/dev/null
+    if [ $? -eq 0 ]; then
+        patch -p1 < utils/packpack/deb.mk.patch
+    fi
 
     # Uncompress the Crud tarball and move it into place
     if [ -e "web/api/app/Plugin/Crud/LICENSE.txt" ]; then