Keep the Project Attributes When Fastlane Writes the Project

[PSchmiedmayer]

♻️ Current situation & Problem

Fastlane opens and saves the Xcode project to set the bundle identifier and the build number, using a project parser that drops attributes it does not know. It does not know two attributes this project relies on, and reports both while deploying:

Xcodeproj doesn't know about the following attributes {"traits" => ["ResearchKit", "Textual", "default"]} for the 'XCRemoteSwiftPackageReference' isa.
Xcodeproj doesn't know about the following attributes {"dstSubfolder" => "Product"} for the 'PBXCopyFilesBuildPhase' isa.

Opening and saving the project with that parser, with no other change, removes the traits entry and all four dstSubfolder entries. The traits select the package products this app builds against, and the destinations are the ones that embed the watch app and the foundation extensions, so a deployment archives from a project that differs from the one in the repository.

No related issue was identified.

⚙️ Release Notes

• Declare the two attributes so the project survives being written by Fastlane unchanged. The deployment lane is otherwise untouched, and the file can be deleted once the parser knows the attributes itself.

📚 Documentation

fastlane/xcodeproj_patch.rb records why it exists and when it can be removed.

✅ Testing

• Opening and saving this project through the parser Fastlane uses was confirmed to remove the traits entry and all four dstSubfolder entries, and to keep every one of them byte for byte with this change in place
• reuse lint, and the Fastfile and the patch parse

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• I agree to follow the Code of Conduct and Contributing Guidelines.

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Configuration used: Organization UI

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Run ID: 743e8147-cad8-467a-a586-e468323c6675

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