1-watchkit-update-plists.py

import plistlib

# Read Plists
myAppInfoPlist = plistlib.readPlist(“MyApp/Info.plist”)
watchKitExtensionInfoPlist =  plistlib.readPlist(“WatchKitExtension/Info.plist”)
watchKitAppInfoPlist = plistlib.readPlist(“WatchKitApp/Info.plist”)

# Update Watch Kit Extension Plist
watchKitExtensionInfoPlist[“NSExtension”][“NSExtensionAttributes”][“WKAppBundleIdentifier”] = watchKitAppInfoPlist[“CFBundleIdentifier”]
watchKitExtensionInfoPlist[“CFBundleVersion”] = myAppInfoPlist[“CFBundleVersion”]
WatchKitExtensionInfoPlist[“CFBundleShortVersionString”] = myAppInfoPlist[“CFBundleShortVersionString”]

# Update Watch Kit App Plist
watchKitAppInfoPlist[“WKCompanionAppBundleIdentifier”] = myAppInfoPlist[“CFBundleIdentifier”]
watchKitAppInfoPlist[“CFBundleVersion”] = myAppInfoPlist[“CFBundleVersion”]
watchKitAppInfoPlist[“CFBundleShortVersionString”] = myAppInfoPlist[“CFBundleShortVersionString”]

# Save the Plists
plistlib.writePlist(myAppInfoPlist, “MyApp/Info.plist”)
plistlib.writePlist(watchKitExtensionInfoPlist, “WatchKitExtension/Info.plist”)
plistlib.writePlist(watchKitAppInfoPlist, “WatchKitApp/Info.plist”)

2-watchkit-xcode-build.sh

xcrun xcodebuild -sdk iphoneos -config "Release"

3-embed-profiles.sh

cp watchkitapp.mobileprovision MyApp.app/WatchKitExtension.appex/WatchKitApp.app/embedded.mobileprovision
cp watchkitextension.mobileprovision MyApp.app/WatchKitExtension.appex/embedded.mobileprovision
cp myapp.mobileprovision MyApp.app/embedded.mobileprovision

4-get-expanded-entitlements.sh

xcrun codesign -d --entitlements :- MyApp.app/WatchKitExtension.appex/WatchKitApp.app 2>/dev/null > watchkitapp.xcent
xcrun codesign -d --entitlements :- MyApp.app/WatchKitExtension.appex 2>/dev/null > watchkitextension.xcent
xcrun codesign -d --entitlements :- MyApp.app 2>/dev/null > myapp.xcent

5-re-sign.sh

# Order is important!!

# WatchKit App
rm -rf MyApp.app/Plugins/MyWatchKitExtension.appex/MyWatchKitApp.app/_CodeSignature
xcrun codesign -f -s "Certificate Name" -- entitlements watchkitapp.xcent MyApp.app/Plugins/MyWatchKitExtension.appex/MyWatchKitApp.app

# WatchKit Extension
rm -rf MyApp.app/Plugins/MyWatchKitExtension.appex/_CodeSignature
xcrun codesign -f -s "Certificate Name" -- entitlements watchkitextension.xcent MyApp.app/Plugins/MyWatchKitExtension.appex

# Main App
rm -rf MyApp.app/_CodeSignature
xcrun codesign -f -s "Certificate Name" -- entitlements myapp.xcent MyApp.app

6.1a-package.sh

xcrun -sdk iphoneos PackageApplication MyApp.app -o MyApp.ipa

6.1b-re-package.sh

# Extract the contents of the ipa
unzip MyApp.ipa

# Include WatchKitSupport
mkdir WatchKitSupport
cp "/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/Library/Application\ Support/WatchKit/WK" WatchKitSupport/WK

# Repackage
zip -qr MyAppWithWatchKit.ipa Payload WatchKitSupport

6.2-package.py

# https://github.com/mxpr/ios-build-utils
from utils.packager import Packager

def package():

    ipa = Packager("MyAppWithWatchKit.ipa")
    ipa.add("MyApp.app","Payload/MyApp.app")
    ipa.add("/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/Library/Application\ Support/WatchKit/WK", "WatchKitSupport/WK")
    
    ipa.package()