pre-commit hook to find `TODO` comments + simple check for code folder vs test folder changes.

pre-commit

#!/bin/sh

# Check for "TODO" in staged files
TODO_FOUND=$(git diff --cached --name-only --diff-filter=AM | grep -E '\.(cpp|c|cc|h|hpp)$' | xargs -r grep -l 'TODO')

if [ ! -z "$TODO_FOUND" ]; then
    echo "Warning: TODO found in the following files:"
    echo "$TODO_FOUND"
    echo "Consider addressing the TODOs or creating tickets for them before committing."
    # Uncomment the next line to block the commit until TODOs are addressed
    # exit 1
fi

# Get list of changed C++ source files
CPP_CHANGES=$(git diff --cached --name-only --diff-filter=AM | grep -E '\.cpp$')

# Placeholder for test directory path
TEST_DIR="tests/"

# Check for changes in test files
TEST_CHANGES=$(git diff --cached --name-only --diff-filter=AM | grep -E "^$TEST_DIR")

if [ ! -z "$CPP_CHANGES" ] && [ -z "$TEST_CHANGES" ]; then
  echo "Warning: C++ source files have changed, but no changes detected in unit tests."
  echo "Ensure new functionalities have corresponding unit tests."
  # Uncomment the next line to block the commit
  # exit 1
fi

exit 0