Halt package scripts on error.

packaging/osx/buildpackage.sh

@@ -1,5 +1,6 @@
 #!/bin/bash
 # OpenRA packaging script for macOS
+set -e
 
 command -v make >/dev/null 2>&1 || { echo >&2 "The OpenRA mod template requires make."; exit 1; }
 command -v python >/dev/null 2>&1 || { echo >&2 "The OpenRA mod template requires python."; exit 1; }

packaging/package-all.sh

@@ -1,4 +1,5 @@
 #!/bin/bash
+set -e
 
 if [ $# -ne "2" ]; then
     echo "Usage: `basename $0` version outputdir"

packaging/windows/buildpackage.sh

@@ -1,4 +1,5 @@
 #!/bin/bash
+set -e
 
 command -v curl >/dev/null 2>&1 || { echo >&2 "Windows packaging requires curl."; exit 1; }
 command -v makensis >/dev/null 2>&1 || { echo >&2 "Windows packaging requires makensis."; exit 1; }