1 files changed, 11 insertions, 1 deletions
diff --git a/Swift/Packaging/Source/package.sh b/Swift/Packaging/Source/package.sh
index 4d229a6..f54170b 100755
--- a/Swift/Packaging/Source/package.sh
+++ b/Swift/Packaging/Source/package.sh
@@ -1,32 +1,42 @@
 #!/bin/sh
 
 ## For a Swiften-only tarball, try
 ## EXCLUDE_FOLDERS="Swift Sluift Swiftob Limber Slimber" ./package.sh
 
 export PYTHONPATH=../../../BuildTools/SCons
 VERSION=`../../../BuildTools/GetBuildVersion.py swift`
 DIRNAME=swift-$VERSION
 
 if [ -z "$VERSION" ]; then
 	echo "Unable to determine version"
 	exit -1
 fi
 
+if [ "`uname -s`" = "Darwin" ]; then
+	TAR=gtar
+	if ! $TAR --version >/dev/null 2>&1; then
+		echo "Unable to find GNU tar (coulnd't find $TAR)"
+		exit 1
+	fi
+else
+	TAR=tar
+fi
+
 echo "Cleaning up old sources ..."
 rm -rf swift-*
 
 echo "Checking out a fresh copy ..."
 rm -rf $DIRNAME
 git clone ../../../.git $DIRNAME
 echo "$VERSION" > $DIRNAME/VERSION.swift
 rm -rf $DIRNAME/.git
 
 echo "Excluding folders based on environment variable EXCLUDE_FOLDERS='$EXCLUDE_FOLDERS'"
 for FOLDER in $EXCLUDE_FOLDERS;
 do
   echo "Excluding $FOLDER"
   rm -rf $DIRNAME/$FOLDER
 done
 
 echo "Creating tarball ..."
-tar czf $DIRNAME.tar.gz $DIRNAME
+$TAR -czf $DIRNAME.tar.gz --owner=swift --group=swift $DIRNAME