Xcode Build

# List schemes in a workspace
xcodebuild -workspace /path/to/App.xcworkspace -list

# List schemes in a project
xcodebuild -project /path/to/App.xcodeproj -list

# Show build settings
xcodebuild -workspace /path/to/App.xcworkspace -scheme AppScheme -showBuildSettings

# List all simulators
xcrun simctl list devices

# List as JSON (better for parsing)
xcrun simctl list devices --json

# List only available simulators
xcrun simctl list devices available

# Get simulator UUID first
UDID=$(xcrun simctl list devices --json | jq -r '.devices | .[].[] | select(.name=="iPhone 16 Pro") | .udid' | head -1)

# Build
xcodebuild \
  -workspace /path/to/App.xcworkspace \
  -scheme AppScheme \
  -destination "platform=iOS Simulator,id=$UDID" \
  -configuration Debug \
  -derivedDataPath /tmp/build \
  build

# Find the built .app
APP_PATH=$(find /tmp/build -name "*.app" -type d | head -1)

# Install on simulator
xcrun simctl install $UDID "$APP_PATH"

# Launch app
xcrun simctl launch $UDID com.your.bundleid

xcrun simctl io $UDID screenshot /tmp/screenshot.png

# 1. Boot simulator
xcrun simctl boot $UDID 2>/dev/null || true

# 2. Build
xcodebuild -workspace App.xcworkspace -scheme App \
  -destination "platform=iOS Simulator,id=$UDID" \
  -derivedDataPath /tmp/build build

# 3. Find and install app
APP=$(find /tmp/build -name "*.app" -type d | head -1)
xcrun simctl install $UDID "$APP"

# 4. Launch with console output
xcrun simctl launch --console $UDID com.bundle.id

# Stream app logs (run in background)
/usr/bin/log stream \
  --predicate 'processImagePath CONTAINS[cd] "AppName"' \
  --style json &
LOG_PID=$!

# ... interact with app ...

# Stop logging
kill $LOG_PID

# Unit tests
xcodebuild -workspace App.xcworkspace -scheme App \
  -destination "platform=iOS Simulator,id=$UDID" \
  test

# Specific test class
xcodebuild -workspace App.xcworkspace -scheme App \
  -destination "platform=iOS Simulator,id=$UDID" \
  -only-testing "AppTests/MyTestClass" \
  test

// In a UI test file
func testLogin() {
    let app = XCUIApplication()
    app.launch()

    // Type in text field
    app.textFields["email"].tap()
    app.textFields["email"].typeText("user@example.com")

    // Tap button
    app.buttons["Login"].tap()

    // Verify result
    XCTAssertTrue(app.staticTexts["Welcome"].exists)
}

xcodebuild -workspace App.xcworkspace -scheme AppUITests \
  -destination "platform=iOS Simulator,id=$UDID" \
  test

# Set up session variables
export XCODE_WORKSPACE="/path/to/App.xcworkspace"
export XCODE_SCHEME="App"
export SIM_UDID="DD5E339B-468E-43C7-B219-54112C9D3250"
export APP_BUNDLE_ID="com.your.app"

# Use in commands
xcodebuild -workspace "$XCODE_WORKSPACE" -scheme "$XCODE_SCHEME" ...
xcrun simctl launch "$SIM_UDID" "$APP_BUNDLE_ID"

# Check available destinations
xcodebuild -workspace App.xcworkspace -scheme App -showDestinations

# Use exact destination string from output

# Check if already booted
xcrun simctl list devices | grep Booted

# Force shutdown and reboot
xcrun simctl shutdown $UDID
xcrun simctl boot $UDID

# Check derived data path you specified
ls -la /tmp/build/Build/Products/Debug-iphonesimulator/

# Or use default derived data
ls ~/Library/Developer/Xcode/DerivedData/