pass debug through a var

Author: goneri

build.sh

@@ -3,6 +3,7 @@
 version=$1
 repo=$2
 ref=$3
+debug=$4
 if [ -z "$version" ]; then
     version="12.1"
 fi
@@ -12,6 +13,9 @@ fi
 if [ -z "${ref}" ]; then
     ref="master"
 fi
+if [ -z "${debug}" ]; then
+    debug=""
+fi
 set -eux