resign .ipa with new distribution certificate

Assumptions:

1. ipa filename is app.ipa
2. app is called MyApp
3. new provisioning profile resides at: ~/Downloads/AdHoc.mobileprovision
4. distribution certificate name is Company Certificate
5. may not need resource-rules parameter
6. provisioning profile is either for Adhoc, or Enterprise distribution Commands:

unzip app.ipa

rm -rf Payload/MyApp.app/_CodeSignature/

cp ~/Downloads/AdHoc.mobileprovision Payload/MyApp.app/embedded.mobileprovision

codesign -f -s "iPhone Distribution: Company Certificate" --resource-rules Payload/MyApp.app/ResourceRules.plist Payload/MyApp.app

zip -qr app-resigned.ipa Payload/