#!/bin/sh
# Copyright (c) 2014-2015 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.

export LC_ALL=C
set -e

ROOTDIR=dist
BUNDLE="${ROOTDIR}/BitcoinCashNode-Qt.app"
CODESIGN=codesign
TEMPDIR=sign.temp
TEMPLIST="${TEMPDIR}/signatures.txt"
OUT=signature.tar.gz
OUTROOT=osx

if [ -z "$1" ]; then
  echo "usage: $0 <codesign args>"
  echo "example: $0 -s MyIdentity"
  exit 1
fi

rm -rf "${TEMPDIR}" "${TEMPLIST}"
mkdir -p "${TEMPDIR}"

${CODESIGN} -f --file-list ${TEMPLIST} "$@" "${BUNDLE}"

grep -Fv CodeResources < "${TEMPLIST}" | while read -r i; do
  TARGETFILE="${BUNDLE}/$(echo "${i}" | sed "s|.*${BUNDLE}/||")"
  SIZE=$(pagestuff "$i" -p | tail -2 | grep size | sed 's/[^0-9]*//g')
  OFFSET=$(pagestuff "$i" -p | tail -2 | grep offset | sed 's/[^0-9]*//g')
  SIGNFILE="${TEMPDIR}/${OUTROOT}/${TARGETFILE}.sign"
  DIRNAME="$(dirname "${SIGNFILE}")"
  mkdir -p "${DIRNAME}"
  echo "Adding detached signature for: ${TARGETFILE}. Size: ${SIZE}. Offset: ${OFFSET}"
  dd if="$i" of="${SIGNFILE}" bs=1 skip="${OFFSET}" count="${SIZE}" 2>/dev/null
done

grep -F CodeResources < "${TEMPLIST}" | while read -r i; do
  TARGETFILE="${BUNDLE}/$(echo "${i}" | sed "s|.*${BUNDLE}/||")"
  RESOURCE="${TEMPDIR}/${OUTROOT}/${TARGETFILE}"
  DIRNAME="$(dirname "${RESOURCE}")"
  mkdir -p "${DIRNAME}"
  echo "Adding resource for: \"${TARGETFILE}\""
  cp "${i}" "${RESOURCE}"
done

rm ${TEMPLIST}

tar -C "${TEMPDIR}" -czf "${OUT}" .
rm -rf "${TEMPDIR}"
echo "Created ${OUT}"
