lfs_diff_unity.sh

#!/bin/bash
DIFFCOMMAND=diff
MTEXTPIPECOMMAND="grep 'mText:' | perl -Xpne 's/\\\\u([0-9a-fA-F]{4})/chr(hex("'$1'"))/eg'"


if [ $# -lt 1 ] ; then
  echo "usage: $0 [--mtext] [rev1] [rev2] filename"
  exit 1
fi

if [ $1 = '--mtext' ] ; then
  if [ $# -eq 1 ] ; then 
    echo "usage: $0 [--mtext] [rev1] [rev2] filename"
    exit 1
  fi 

  after_diff=$MTEXTPIPECOMMAND
  shift
else
  after_diff='cat'
fi

  

if [ $# -eq 1 ] ; then
  $DIFFCOMMAND <(git show HEAD:"${@:1}" | git lfs smudge) "${@:1}" | eval $after_diff
elif [ $# -eq 2 ] ; then
  $DIFFCOMMAND <(git show $1:"${@:2}" | git lfs smudge) "${@:2}" | eval $after_diff
else
  $DIFFCOMMAND <(git show $1:"${@:3}" | git lfs smudge) <(git show $2:"${@:3}" | git lfs smudge) | eval $after_diff
fi