Script to complete a basic check of the fastlane devices.txt file format, where it must use tabs.

lint-devices-file.sh

#!/usr/bin/env bash
#
# lint-devices-file

# Usage example: ./scripts/ios/lint-devices-file fastlane/devices.txt

FILE=$1
TAB_COUNT=$(grep "$(printf '\t')" $FILE | wc -l)
NEW_LINE_COUNT=$(grep "$(printf '\n')" $FILE | wc -l)

if [ $TAB_COUNT -eq $NEW_LINE_COUNT ]; then
    echo "✅ $FILE format is correct 🎉"
    exit 0
else
    echo "⛔️ $FILE is missing a TAB between device id and device name"
    exit 1
fi