#!/bin/bash

# Creates a patch for upgrading the given old drupal revision to the given new one
OLDDRUPAL='drupal-7.38'
NEWDRUPAL='drupal-7.39'
echo Downloading source files for old version $OLDDRUPAL and new version $NEWDRUPAL
wget http://ftp.drupal.org/files/projects/$OLDDRUPAL.tar.gz
wget http://ftp.drupal.org/files/projects/$NEWDRUPAL.tar.gz
echo Extractin files
tar xzf $OLDDRUPAL.tar.gz
tar xzf $NEWDRUPAL.tar.gz
RESULTFILE=patch_${OLDDRUPAL}_to_${NEWDRUPAL}
echo Creating diff $RESULTFILE
diff -Naur $OLDDRUPAL $NEWDRUPAL > $RESULTFILE