immich/mobile/scripts/checkout_ios.sh

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#!/usr/bin/env bash
# Reconciles the iOS project with the current Flutter setup
#
# `flutter build ios --config-only` is relatively expensive, so we attempt to avoid running it when possible
set -euo pipefail
stamp="build/ios_checkout.stamp"
# All tracked files that can invalidate the Xcode + Flutter build state
inputs_digest() {
git ls-files -z ios pubspec.yaml pubspec.lock mise.toml mise.lock \
| xargs -0 shasum \
| shasum \
| cut -d ' ' -f 1
}
# Echoes why the iOS project needs reconciling, or returns 1 if it does not.
# The first three cases can happen with no tracked file having changed at all,
# so comparing the digest alone is not enough.
staleness() {
local flutter_root
flutter_root="$(sed -n 's/^FLUTTER_ROOT=//p' ios/Flutter/Generated.xcconfig 2>/dev/null || true)"
if [[ -z $flutter_root ]]; then
echo "misconfigured FLUTTER_ROOT"
elif [[ ! -d $flutter_root ]]; then
echo "the Flutter SDK has changed"
elif ! cmp -s ios/Podfile.lock ios/Pods/Manifest.lock; then
# This is also done by Xcode's "Check Pods Manifest.lock" build phase
echo "Cocoapods out of sync"
elif [[ ! -f $stamp ]]; then
echo "first checkout"
elif [[ $(<"$stamp") != "$(inputs_digest)" ]]; then
echo "tracked build state has changed"
else
return 1
fi
}
[[ $(uname) == Darwin ]] || exit 0
if ! reason="$(staleness)"; then
exit 0
fi
echo "Reconciling iOS project: $reason"
flutter build ios --config-only --debug
# Save tracked files manifest
mkdir -p "$(dirname "$stamp")"
inputs_digest > "$stamp"