How to Add Xcode Bot Integration Number Into Build Script

You actually don't even need agvtool to set the build number to the Xcode bot integration number. Simply set the Build number to ${XCS_INTEGRATION_NUMBER} in your project settings.

I implemented this using a Shell Script Build Phase in my Xcode project. In my case, I used the integration number to set the internal version of my built product. My script looks like this:

if [ "the$XCS_INTEGRATION_NUMBER" == "the" ]; then
    echo "Not an integration build…"
    xcrun agvtool new-version "10.13"
else
    echo "Setting integration build number: $XCS_INTEGRATION_NUMBER"
    xcrun agvtool new-version "$XCS_INTEGRATION_NUMBER"
fi

Note that XCS_INTEGRATION_NUMBER exists by default in the Xcode Server build environment. If you want to simulate an integration build (for the purposes of this script), you can simply add it to your build settings as a custom variable.