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electrum/contrib/osx/compare_dmg
SomberNight bc672fd2f4 mac build: compare_dmg: "hdiutil attach" to different paths
was experiencing some weird race, maybe hdiutil attach/detach is not blocking?
2025-06-12 13:09:26 +00:00

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#!/usr/bin/env bash
set -e
if [ $(uname) != "Darwin" ]; then
echo "This script needs to be run on macOS."
exit 1
fi
UNSIGNED_DMG="$1"
RELEASE_DMG="$2"
CONTRIB_OSX="$(dirname "$(grealpath "$0")")"
PROJECT_ROOT="$CONTRIB_OSX/../.."
WORKSPACE="/tmp/electrum_compare_dmg"
WS_VOL1="$WORKSPACE/vol1"
WS_VOL2="$WORKSPACE/vol2"
if [ -z "$UNSIGNED_DMG" ]; then
echo "usage: $0 <unsigned dmg> <release dmg>"
exit 1
fi
if [ -z "$RELEASE_DMG" ]; then
echo "usage: $0 <unsigned dmg> <release dmg>"
exit 1
fi
UNSIGNED_DMG=$(grealpath "$UNSIGNED_DMG")
RELEASE_DMG=$(grealpath "$RELEASE_DMG")
cd "$PROJECT_ROOT"
rm -rf "$WORKSPACE"
mkdir -p "$WORKSPACE" "$WS_VOL1" "$WS_VOL2"
DMG_UNSIGNED_UNPACKED="$WORKSPACE/dmg1"
DMG_RELEASE_UNPACKED="$WORKSPACE/dmg2"
hdiutil attach -mountroot "$WS_VOL1" "$UNSIGNED_DMG"
cp -r "$WS_VOL1"/Electrum "$DMG_UNSIGNED_UNPACKED"
hdiutil detach "$WS_VOL1"/Electrum
hdiutil attach -mountroot "$WS_VOL2" "$RELEASE_DMG"
cp -r "$WS_VOL2"/Electrum "$DMG_RELEASE_UNPACKED"
hdiutil detach "$WS_VOL2"/Electrum
# copy signatures from RELEASE_DMG to UNSIGNED_DMG
echo "Extracting signatures from release app..."
QUIET="1" "$CONTRIB_OSX/extract_sigs.sh" "$DMG_RELEASE_UNPACKED"/Electrum.app
echo "Applying extracted signatures to unsigned app..."
QUIET="1" "$CONTRIB_OSX/apply_sigs.sh" "$DMG_UNSIGNED_UNPACKED"/Electrum.app mac_extracted_sigs.tar.gz
rm mac_extracted_sigs.tar.gz
rm -rf "$DMG_UNSIGNED_UNPACKED"
set -x
diff=$(diff -qr "$WORKSPACE/signed_app" "$DMG_RELEASE_UNPACKED") || diff="diff errored"
set +x
echo $diff
if [ "$diff" ]; then
echo "DMGs do *not* match."
echo "failure"
exit 1
else
echo "DMGs match."
echo "success"
exit 0
fi