Add make_orig script

This downloads and creates the .orig tar gz for debian packaging

packages/pyblkid/make_orig.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+set -e
+
+git clone https://github.com/vojtechtrefny/pyblkid opengnsys-pyblkid
+cd opengnsys-pyblkid
+version=`python3 ./setup.py --version`
+cd ..
+
+if [ -d "opengnsys-pyblkid-${version}" ] ; then
+	echo "Directory opengnsys-pyblkid-${version} already exists, won't overwrite"
+	exit 1
+else
+	rm -rf opengnsys-pyblkid/.git
+	mv opengnsys-pyblkid "opengnsys-pyblkid-${version}"
+	tar -c --xz -v -f "opengnsys-pyblkid_${version}.orig.tar.xz" "opengnsys-pyblkid-${version}"
+fi
+