Build IPA from APP in flutter

build-ipa.sh

#!/bin/bash

# Make .app
if ! type "$PWD/.fvm/flutter_sdk/bin/flutter" > /dev/null; then
  echo '▵ Using flutter'
  flutter build ios
else
  echo '▵ Using fvm'
  fvm flutter build ios
fi

# make folder, add .app then zip it and rename it to .ipa
mkdir -p Payload
mv ./build/ios/iphoneos/Runner.app Payload
zip -r -y Payload.zip Payload/Runner.app
mv Payload.zip Payload.ipa

# the following are options, remove Payload folder
rm -Rf Payload