fix replit libstdc issue

fix_libstdc_issue.sh

#!/bin/bash

echo "Creating replit.nix file to fix libstdc++.so.6 issue..."

# Create replit.nix file
cat > replit.nix << 'EOF'
{ pkgs }:
pkgs.mkShell {
  buildInputs = [
    pkgs.python311Full
    pkgs.cacert
    pkgs.gcc
    pkgs.libgcc
    pkgs.stdenv.cc.cc.lib
    pkgs.postgresql
  ];
}
EOF

echo "replit.nix created successfully."

# Check if .replit file exists and modify it
if [ -f ".replit" ]; then
    echo "Commenting out [nix] section in .replit file..."
    
    # Create backup
    cp .replit .replit.backup
    
    # Comment out the nix section
    sed -i 's/^\[nix\]$/# [nix]/' .replit
    sed -i 's/^channel = "stable_24_05"$/# channel = "stable_24_05"/' .replit
    sed -i 's/^packages = \["cacert", "gcc"\]$/# packages = ["cacert", "gcc"]/' .replit
    
    echo ".replit file modified successfully (backup saved as .replit.backup)"
else
    echo "Warning: .replit file not found"
fi

echo ""
echo "Setup complete! The following changes were made:"
echo "1. Created replit.nix with required system dependencies"
echo "2. Commented out [nix] section in .replit file"
echo ""
echo "Please restart your Replit environment for changes to take effect."
echo "After restart, the libstdc++.so.6 library should be available."