build-ios.sh

#!/usr/bin/env bash
set -euo pipefail

# Builds both outputs with one command:
# 1) unsigned IPA for local/user signing workflows
# 2) signed App Store IPA for Transporter/App Store Connect upload
# Optional local overrides can be placed in build-ios.private.env.

REPO_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
APP_NAME="Moonfin"
ARCHIVE_DIR="$REPO_ROOT/build/ios/archive"
IPA_DIR="$REPO_ROOT/build/ios/ipa"
ROOT_IPA_OUTPUT=""
ROOT_UNSIGNED_IPA_OUTPUT=""

# Optional local overrides for private values.
PRIVATE_ENV_FILE="$REPO_ROOT/build-ios.private.env"
if [ -f "$PRIVATE_ENV_FILE" ]; then
  # shellcheck disable=SC1090
  source "$PRIVATE_ENV_FILE"
fi

resolve_flutter() {
  if [ -n "${FLUTTER_BIN:-}" ] && [ -x "$FLUTTER_BIN" ]; then
    printf '%s\n' "$FLUTTER_BIN"
    return 0
  fi

  if command -v flutter >/dev/null 2>&1; then
    command -v flutter
    return 0
  fi

  local candidates=(
    "$HOME/flutter/bin/flutter"
    "$HOME/Documents/flutter/bin/flutter"
    "$HOME/snap/flutter/common/flutter/bin/flutter"
  )

  local candidate
  for candidate in "${candidates[@]}"; do
    if [ -x "$candidate" ]; then
      printf '%s\n' "$candidate"
      return 0
    fi
  done

  echo "Error: Flutter not found. Add flutter to PATH or set FLUTTER_BIN to the full flutter executable path." >&2
  exit 1
}

FLUTTER="$(resolve_flutter)"
IOS_EXPORT_METHOD="${IOS_EXPORT_METHOD:-app-store}"
IOS_EXPORT_OPTIONS_PLIST="${IOS_EXPORT_OPTIONS_PLIST:-}"

if [ "$#" -gt 0 ]; then
  echo "Error: this script no longer accepts positional arguments." >&2
  echo "Run: ./build-ios.sh" >&2
  exit 1
fi

if [ -n "$IOS_EXPORT_OPTIONS_PLIST" ] && [[ "$IOS_EXPORT_OPTIONS_PLIST" != /* ]]; then
  IOS_EXPORT_OPTIONS_PLIST="$REPO_ROOT/$IOS_EXPORT_OPTIONS_PLIST"
fi

for cmd in xcodebuild zip; do
  if ! command -v "$cmd" >/dev/null 2>&1; then
    echo "Error: required command not found: $cmd" >&2
    exit 1
  fi
done

APP_VERSION=$(grep '^version:' "$REPO_ROOT/pubspec.yaml" | sed 's/version:[[:space:]]*//' | cut -d'+' -f1 | tr -d '[:space:]')
if [ -z "$APP_VERSION" ]; then
  echo "Error: could not read version from pubspec.yaml" >&2
  exit 1
fi

ROOT_IPA_OUTPUT="$REPO_ROOT/${APP_NAME}_iOS_v${APP_VERSION}.ipa"
ROOT_UNSIGNED_IPA_OUTPUT="$REPO_ROOT/${APP_NAME}_iOS_v${APP_VERSION}_unsigned.ipa"

echo "${APP_NAME} version: ${APP_VERSION}"

cd "$REPO_ROOT"

echo "Cleaning previous Flutter outputs..."
"$FLUTTER" clean

echo "Resolving packages..."
"$FLUTTER" pub get

rm -f "$ROOT_IPA_OUTPUT"
rm -f "$ROOT_UNSIGNED_IPA_OUTPUT"
rm -f "$IPA_DIR"/*.ipa 2>/dev/null || true

echo "Building unsigned iOS archive..."
"$FLUTTER" build ipa --release --no-codesign

if [ ! -d "$ARCHIVE_DIR" ]; then
  echo "Error: expected archive directory not found: $ARCHIVE_DIR" >&2
  exit 1
fi

APP_IN_ARCHIVE="$(find "$ARCHIVE_DIR" -type d -path '*/Products/Applications/*.app' | head -n 1)"
if [ -z "$APP_IN_ARCHIVE" ]; then
  echo "Error: .app not found in archive at $ARCHIVE_DIR" >&2
  exit 1
fi

mkdir -p "$IPA_DIR"
UNSIGNED_IPA_SOURCE="$IPA_DIR/${APP_NAME}-unsigned.ipa"
rm -f "$UNSIGNED_IPA_SOURCE"

TMP_DIR="$(mktemp -d)"
trap 'rm -rf "$TMP_DIR"' EXIT
mkdir -p "$TMP_DIR/Payload"
cp -R "$APP_IN_ARCHIVE" "$TMP_DIR/Payload/"
(
  cd "$TMP_DIR"
  zip -qry "$UNSIGNED_IPA_SOURCE" Payload
)
cp "$UNSIGNED_IPA_SOURCE" "$ROOT_UNSIGNED_IPA_OUTPUT"

echo "Unsigned iOS archive created in: $ARCHIVE_DIR"
echo "Unsigned IPA created: $UNSIGNED_IPA_SOURCE"
echo "Unsigned IPA copied to root: $ROOT_UNSIGNED_IPA_OUTPUT"

if [ -n "$IOS_EXPORT_OPTIONS_PLIST" ]; then
  if [ ! -f "$IOS_EXPORT_OPTIONS_PLIST" ]; then
    echo "Error: export options plist not found: $IOS_EXPORT_OPTIONS_PLIST" >&2
    exit 1
  fi
  echo "Building signed App Store IPA with export options plist..."
  "$FLUTTER" build ipa --release --export-options-plist="$IOS_EXPORT_OPTIONS_PLIST"
else
  echo "Building signed App Store IPA with export method: $IOS_EXPORT_METHOD"
  "$FLUTTER" build ipa --release --export-method="$IOS_EXPORT_METHOD"
fi

IPA_SOURCE="$(find "$IPA_DIR" -maxdepth 1 -type f -name '*.ipa' ! -name '*-unsigned.ipa' | head -n 1)"
if [ -z "$IPA_SOURCE" ]; then
  echo "Error: IPA not found in $IPA_DIR" >&2
  exit 1
fi

cp "$IPA_SOURCE" "$ROOT_IPA_OUTPUT"

echo "IPA created: $IPA_SOURCE"
echo "IPA copied to root: $ROOT_IPA_OUTPUT"
echo "Export method: $IOS_EXPORT_METHOD"