Helper script for patching SpigotMC

patch_spigot.sh

#!/bin/sh

cd `dirname $0`

patcher='SpigotPatcher-1.0.jar'
source='spigot-1649.jar'
md5='f2edc09c45b1f80237602dc0d1b05969'
suffix='.bps'; # not actually used.

patch="$1"
target="${patch%.bps}.jar"

[ -f "$patcher" ] || {
  echo 'Download the Spigot patcher'
  echo 'http://www.spigotmc.org/spigot-updates/SpigotPatcher-1.0.jar'
  exit 1
}

[ -f "$source" ] || {
  echo 'Aquire the last Spigot release (#1649). I can'"'"'t help you any further.'
  exit 2
}

echo "$md5  $source" | md5sum --check --quiet || exit 1

[ "$patch" ] || {
  echo "Must supply binary patch (spigot.bps)"
  exit 1
}

[ -f "$patch" ] || {
  echo "No such file: $patch"
  exit 1
}

[ "$patch" = "${patch%.bps}.bps" ]  || {
  echo "Are you sure $patch is a binary patch? (.bps)"
  exit 1
}

[ ! -f "$target" ] || {
  echo "Already built: $target ($(cat $target|md5sum|awk '{print $1}'))"
  exit 0
}

java -jar "$patcher" "$source" $1 ${1%.bps}.jar 

Put this in the same directory as SpigotPatcher-1.0.jar, spigot-1649.jar, and the spigot.bps.

Prerequisites: java installed, md5sum available.