pre-commit

#!/bin/bash
# pre-commit hook - Validates critical files before commit
#
# Install: cp scripts/git-hooks/pre-commit .git/hooks/pre-commit && chmod +x .git/hooks/pre-commit
# Or run: make install-hooks

set -e

# Check if go.mod module path is being changed
if git diff --cached --name-only | grep -q "^go.mod$"; then
    # Get the module path from staged go.mod
    staged_module=$(git show :go.mod | grep "^module " | awk '{print $2}')

    # Verify it's still shells
    if [[ "$staged_module" != "github.com/CodeMonkeyCybersecurity/shells" ]]; then
        echo ""
        echo "ERROR: Module path change detected!"
        echo ""
        echo "  Current: $staged_module"
        echo "  Expected: github.com/CodeMonkeyCybersecurity/shells"
        echo ""
        echo "The project module path must remain 'github.com/CodeMonkeyCybersecurity/shells'."
        echo "If you need to change this, get explicit owner approval first."
        echo ""
        exit 1
    fi
fi

# Run gofmt on staged Go files
staged_go_files=$(git diff --cached --name-only --diff-filter=ACM | grep '\.go$' || true)
if [[ -n "$staged_go_files" ]]; then
    unformatted=$(gofmt -l $staged_go_files 2>/dev/null || true)
    if [[ -n "$unformatted" ]]; then
        echo ""
        echo "WARNING: Some Go files are not formatted:"
        echo "$unformatted"
        echo ""
        echo "Run 'gofmt -w' on these files or 'make fmt'"
        echo ""
        # Warning only, don't block
    fi
fi

exit 0