nixos-config/config/apps/bash/nxinit.sh

# shellcheck disable=SC2148
function nxinit() {
  set -u

  if [ ! -f ".envrc" ]; then
    cat >.envrc <<EOL
        use flake
EOL
  else
    echo ".envrc already exists, ignoring..."
  fi

  if [ ! -f "flake.nix" ]; then
    cat >flake.nix <<EOL
        {
  description = "Flake based shell for the current project";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
    flake-utils.url = "github:numtide/flake-utils";
  };

  outputs = { self, nixpkgs, flake-utils, ... }:
    flake-utils.lib.eachDefaultSystem (system:
      let
        pkgs = import nixpkgs {
          inherit system;
          overlays = [
            # your overlays here
          ];
        };
      in
      {
        devShells.default = pkgs.mkShell {
          buildInputs = with pkgs; [
            # your packages here
          ];
        };
      });
}
EOL
  else
    echo "flake.nix already exists, ignoring..."
  fi

  if ! grep -q .direnv .gitignore; then
    echo ".direnv" >>.gitignore
  fi
}