diff --git a/cleanup.sh b/cleanup.sh
new file mode 100644
index 0000000..dab7d43
--- /dev/null
+++ b/cleanup.sh
@@ -0,0 +1,3 @@
+nix-env --delete-generations old
+nix-store --gc
+# nix-collect-garbage -d    
\ No newline at end of file
diff --git a/hero_shell.sh b/hero_shell.sh
index 09c2e42..22c8ca0 100755
--- a/hero_shell.sh
+++ b/hero_shell.sh
@@ -102,4 +102,5 @@ cd ${BASE}
 
 nuscript_get
 
-nu --config nuscripts/config/config.nu --env-config nuscripts/config/env.nu -e 'source nuscripts/load.nu; $env.PATH = (paths_nix)'
\ No newline at end of file
+nu --config nuscripts/config/config.nu --env-config nuscripts/config/env.nu \
+    -e 'source nuscripts/load.nu; $env.PATH = (paths_nix); herotools install_crystal; herotools install_hero'
\ No newline at end of file
diff --git a/shell.nix b/shell.nix
index 30f6647..8f31119 100644
--- a/shell.nix
+++ b/shell.nix
@@ -1,32 +1,35 @@
-let
-  nixpkgs = fetchTarball "https://github.com/NixOS/nixpkgs/tarball/nixos-23.11";
-  pkgs = import nixpkgs { config = {}; overlays = []; };
-in
-
-pkgs.mkShell {
-  packages = with pkgs; [
-    git
-    nushellFull
-    mc
-    jq
-    # libtorrent-rasterbar
-    # python311Packages.libtorrent-rasterbar
-    python311Full
-    python311Packages.ipython
-    python311Packages.ipdb
-    python311Packages.rq
-    rsync
-    rustc
-    go
-    duf
-    gdu
-    vscode-with-extensions
-    vscode-extensions.thenuprojectcontributors.vscode-nushell-lang
-
-  ];
-  # shellHook = ''
-  #   echo "Nix shell environment is ready."
-  #   hero_shell.sh
-  # '';  
-}
-
+let
+  nixpkgs = fetchTarball "https://github.com/NixOS/nixpkgs/tarball/nixos-23.11";
+  pkgs = import nixpkgs { config = {}; overlays = []; };
+in
+
+pkgs.mkShell {
+  packages = with pkgs; [
+    git
+    nushellFull
+    mc
+    jq
+    # libtorrent-rasterbar
+    # python311Packages.libtorrent-rasterbar
+    python311Full
+    python311Packages.ipython
+    python311Packages.ipdb
+    python311Packages.rq
+    rsync
+    rustc
+    go
+    duf
+    gdu
+
+  ];
+  
+  # BIN_MC = "${pkgs.mc}/bin";
+
+  shellHook = ''
+    cd $BASE
+    git status
+    echo $BASE
+    $BASE/hero_shell.sh
+  '';
+}
+
diff --git a/start.sh b/start.sh
index 041c0c7..6f8cf8e 100755
--- a/start.sh
+++ b/start.sh
@@ -1,9 +1,11 @@
 #!/usr/bin/env bash
 set -e
 
-MYDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
-cd "$MYDIR"
-
+export BASE="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
+cd "$BASE"
 export NIXPKGS_ALLOW_UNFREE=1
+
+code $BASE/code
+
 nix-shell