Build ARM64 iPhone IPA for signing with Sideloadly

tools/package_ipa.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+set -euo pipefail
+cd "$(dirname "$0")/.."
+mkdir -p build
+xcodebuild archive \
+  -project MusicBridge.xcodeproj \
+  -scheme MusicBridge \
+  -configuration Release \
+  -destination 'generic/platform=iOS' \
+  -derivedDataPath build/DeviceDerivedData \
+  -archivePath build/MusicBridge-iPhone.xcarchive \
+  ARCHS=arm64 \
+  CODE_SIGNING_ALLOWED=NO \
+  CODE_SIGNING_REQUIRED=NO \
+  | tee build/device-build.log
+
+# A device archive packaged for re-signing by Sideloadly on the user's PC.
+# This is not an App Store export and contains no Apple credentials or provisioning profile.
+package_dir=$(mktemp -d "${TMPDIR:-/tmp}/musicbridge-ipa.XXXXXX")
+trap 'rm -rf -- "$package_dir"' EXIT
+mkdir -p "$package_dir/Payload"
+ditto build/MusicBridge-iPhone.xcarchive/Products/Applications/MusicBridge.app "$package_dir/Payload/MusicBridge.app"
+ditto -c -k --keepParent "$package_dir/Payload" build/MusicBridge-iPhone.ipa
+python3 tools/verify_ipa.py build/MusicBridge-iPhone.ipa