add shell

shell.nix

@@ -0,0 +1,29 @@
+let
+  nixpkgs = fetchTarball "https://github.com/NixOS/nixpkgs/tarball/nixos-24.05";
+  pkgs = import nixpkgs { config = { }; overlays = [ ]; };
+in
+
+pkgs.mkShellNoCC {
+  packages = with pkgs; [
+    cowsay
+    lolcat
+    bitwarden
+    bitwarden-cli
+    sops
+  ];
+
+  GREETING = "Hello, Nix!";
+
+  shellHook = ''
+    echo $GREETING | cowsay | lolcat
+    bw config server https://vault.subsonics.nl
+    echo "please enter bitwarden email"
+    read BW_USER
+    echo "please enter bitwarden password"
+    read -s BW_PASSWORD
+    bw login $BW_USER $BW_PASSWORD
+    BW_SESSION="$(bw unlock $BW_PASSWORD --raw)"
+    mkdir -p ~/.config/sops/age
+    bw get attachment keys.txt --itemid ee6a90b0-4120-46f7-a1c6-9648316e43d5 --output ~/.config/sops/age/keys.txt
+  '';
+}