#!/usr/bin/env bash

DRUPAL_DIR=drupal-8.2.x-2333243

# Download drupal and cd into the directory
drush dl drupal-8.2.x --drupal-project-rename="$DRUPAL_DIR"> /dev/null 2>&1

# Change into the Drupal directory.
cd "$DRUPAL_DIR"

# Download the Roboto.woff2 font file and place in themes/junk/fonts.
curl https://fonts.gstatic.com/s/roboto/v15/CWB0XYA8bzo0kSThX0UTuA.woff2 --create-dirs -o themes/junk/fonts/Roboto.woff2 > /dev/null 2>&1

# Create repo and perform initial commit.
git init -q && git add -A && git commit -q -m "Initial commit."

# Append 10 null btyes to Roboto.woff2.
truncate -s +10 themes/junk/fonts/Roboto.woff2

# Commit the change.
git add -A && git commit -q -m "Added 10 bytes to the end of Roboto.woff2"

# Create the diff.
clear
echo -e "\n------------------------------------------------------------"
git diff HEAD^ HEAD
echo -e "------------------------------------------------------------\n"
echo -e "This diff is incorrect. Roboto.woff2 is a binary file.\n"

# Update the .gitattributes file to categorize additional font files.
echo -e "Now modifying .gitattributes to categorize *.woff2 as binary..."
echo "*.woff2   -text diff" >> .gitattributes

# Create the diff.
echo -e "\n------------------------------------------------------------"
git diff HEAD^ HEAD
echo -e "------------------------------------------------------------\n"
echo -e "This diff is correct.\n"