Agent skill

beta

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Install this agent skill to your Project

npx add-skill https://github.com/greenstevester/fastlane-skill/tree/main/skills/beta

SKILL.md

TestFlight Beta Release

Build and upload the iOS app to TestFlight for beta testing.

Pre-flight Checks

  • Fastlane installed: !fastlane --version 2>/dev/null | grep "fastlane " | head -1 || echo "✗ Not installed - run: brew install fastlane"
  • Fastfile exists: !ls fastlane/Fastfile 2>/dev/null && echo "✓ Found" || echo "✗ Not found - run /setup-fastlane first"
  • App-specific password: ![ -n "$FASTLANE_APPLE_APPLICATION_SPECIFIC_PASSWORD" ] && echo "✓ Set" || echo "⚠️ Not set - export FASTLANE_APPLE_APPLICATION_SPECIFIC_PASSWORD='xxxx-xxxx-xxxx-xxxx'"

Arguments: ${ARGUMENTS:-none}

What This Does

  1. Syncs certificates via Match (appstore type)
  2. Increments build number (unless --skip-build-increment)
  3. Builds release archive with gym
  4. Uploads to TestFlight via pilot
  5. Optionally distributes to external testers (if --external)

Commands

Standard Beta (Internal Testers)

bash
cd project/product/swiftui-ios-app  # or your fastlane directory
fastlane beta

Skip Build Number Increment

bash
fastlane beta skip_build_increment:true

External Testers (with changelog)

bash
fastlane beta_external changelog:"Bug fixes and performance improvements"

Troubleshooting

"No value found for 'username'"

Set your Apple ID in fastlane/Appfile:

ruby
apple_id("your@email.com")

"Please sign in with an app-specific password"

  1. Go to https://account.apple.com → Sign-In & Security → App-Specific Passwords
  2. Generate a password named "Fastlane"
  3. Export it:
bash
export FASTLANE_APPLE_APPLICATION_SPECIFIC_PASSWORD='xxxx-xxxx-xxxx-xxxx'

rsync error during export

If you see --extended-attributes: unknown option, Homebrew rsync conflicts with Xcode:

bash
brew uninstall rsync  # Use system rsync

After Upload

  • Build will appear in TestFlight within 1-5 minutes
  • Internal testers are notified automatically
  • External testers require beta_external lane or manual distribution in App Store Connect

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