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electrum/contrib/osx/extract_sigs.sh

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#!/bin/sh
# Copyright (c) 2014-2019 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
#
# This script is based on https://github.com/bitcoin/bitcoin/blob/194b9b8792d9b0798fdb570b79fa51f1d1f5ebaf/contrib/macdeploy/detached-sig-create.sh
export LC_ALL=C
set -e
if [ $(uname) != "Darwin" ]; then
echo "This script needs to be run on macOS."
exit 1
fi
TEMPDIR="/tmp/electrum_compare_dmg/sigs.temp"
OUT=mac_extracted_sigs.tar.gz
OUTROOT=.
if [ -z "$1" ]; then
echo "usage: $0 <path to .app>"
exit 1
fi
BUNDLE="$1"
BUNDLE_BASENAME=$(basename "$BUNDLE")
rm -rf ${TEMPDIR}
mkdir -p ${TEMPDIR}
MAYBE_SIGNED_FILES=$(
find "$BUNDLE/Contents/MacOS/" -type f;
find "$BUNDLE/Contents/Frameworks/" -type f;
find "$BUNDLE/Contents/Resources/" -type f
)
echo "${MAYBE_SIGNED_FILES}" | while read i; do
# skip files where pagestuff errors; these probably do not need signing:
pagestuff "$i" -p 1>/dev/null 2>/dev/null || continue
TARGETFILE="${BUNDLE_BASENAME}/$(echo "${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}"
if [ -z ${QUIET} ]; then
echo "Adding detached signature for: ${TARGETFILE}. Size: ${SIZE}. Offset: ${OFFSET}"
fi
dd if="$i" of="${SIGNFILE}" bs=1 skip=${OFFSET} count=${SIZE} 2>/dev/null
done
# note: "$BUNDLE/Contents/CodeResources" is the "notarization staple id"
FILES_TO_COPY=$(cat << EOF
$BUNDLE/Contents/_CodeSignature/CodeResources
$([ "${IS_NOTARIZED:-true}" != "false" ] && echo "$BUNDLE/Contents/CodeResources")
EOF
)
echo "${FILES_TO_COPY}" | while read i; do
TARGETFILE="${BUNDLE_BASENAME}/$(echo "${i}" | sed "s|.*${BUNDLE}/||")"
RESOURCE="${TEMPDIR}/${OUTROOT}/${TARGETFILE}"
DIRNAME="$(dirname "${RESOURCE}")"
mkdir -p "${DIRNAME}"
if [ -z ${QUIET} ]; then
echo "Adding resource for: \"${TARGETFILE}\""
fi
cp "${i}" "${RESOURCE}"
done
tar -C "${TEMPDIR}" -czf "${OUT}" .
rm -rf "${TEMPDIR}"
echo "Created ${OUT}"