git diff output for rpg maker files using easyrpg's lcf2xml tool

.gitattributes

*.lmu diff=easyrpg

.gitconfig

[core]
	attributesfile = ~/.gitattributes

[diff "easyrpg"]
	command = git-easyrpg-diff

git-easyrpg-diff

#!/bin/bash

TEMP=$(mktemp -d -p "" easyrpg.XXXXXXXXXX)

if [ "xtrue" == "x$GIT_PAGER_IN_USE" -o "xcat" == "x$GIT_PAGER" ]; then
  DIFF=$(which colordiff || diff)
else
  DIFF="diff"
fi

echo "easyrpg-diff a/$1 b/$5"
echo "mode  $4 -> $7"
echo "index ${3:0:8} -> ${6:0:8}"

if [ -d $TEMP ]; then
  lcf2xml $2 $TEMP/old.xml
  lcf2xml $5 $TEMP/new.xml

  $DIFF $TEMP/old.xml $TEMP/new.xml
  rm -rf $TEMP
else
  echo "Unable to create temporary directory!"
  exit 1
fi