build_mac.sh

#!/usr/bin/env bash
# Build PortusSIM.app (and a .dmg) on macOS.
# Run this ON A MAC — PyInstaller cannot cross-compile.
set -euo pipefail
cd "$(dirname "$0")"

echo "==> PortusSIM macOS build"

# 1. Fresh virtual environment (keeps the build clean & reproducible)
python3 -m venv .build-venv
source .build-venv/bin/activate
pip install --upgrade pip wheel >/dev/null
pip install -r requirements.txt pyinstaller pillow pyobjc-framework-Cocoa >/dev/null

# 2. (Optional but recommended) regenerate a native, fully-conformant .icns
if command -v iconutil >/dev/null 2>&1; then
  echo "==> Building native .icns with iconutil"
  ICONSET="assets/logo/PortusSIM.iconset"
  rm -rf "$ICONSET"; mkdir -p "$ICONSET"
  cp assets/logo/portussim_mark_16.png   "$ICONSET/icon_16x16.png"
  cp assets/logo/portussim_mark_32.png   "$ICONSET/icon_16x16@2x.png"
  cp assets/logo/portussim_mark_32.png   "$ICONSET/icon_32x32.png"
  cp assets/logo/portussim_mark_64.png   "$ICONSET/icon_32x32@2x.png"
  cp assets/logo/portussim_mark_128.png  "$ICONSET/icon_128x128.png"
  cp assets/logo/portussim_mark_256.png  "$ICONSET/icon_128x128@2x.png"
  cp assets/logo/portussim_mark_256.png  "$ICONSET/icon_256x256.png"
  cp assets/logo/portussim_mark_512.png  "$ICONSET/icon_256x256@2x.png"
  cp assets/logo/portussim_mark_512.png  "$ICONSET/icon_512x512.png"
  iconutil -c icns "$ICONSET" -o assets/logo/PortusSIM.icns
  rm -rf "$ICONSET"
else
  echo "==> iconutil not found; using Pillow-generated .icns"
  python make_icons.py
fi

# 3. Build
rm -rf build dist
pyinstaller PortusSIM.spec --noconfirm

echo "==> Built dist/PortusSIM.app"

# 4. Package into a .dmg for distribution
DMG="dist/PortusSIM-1.0.0.dmg"
rm -f "$DMG"
hdiutil create -volname "PortusSIM 1.0.0" \
  -srcfolder "dist/PortusSIM.app" \
  -ov -format UDZO "$DMG"

echo ""
echo "==> DONE"
echo "    App:  dist/PortusSIM.app"
echo "    DMG:  $DMG  (this is what you send people)"
echo ""
echo "NOTE: This build is UNSIGNED. On first launch, users must right-click"
echo "      the app → Open (or System Settings → Privacy → Open Anyway),"
echo "      because it is not notarized by Apple. See SHIPPING.md."