zsh: Added any-nix-shell. Removed bashrc handling

roles/home/zsh.nix

@@ -1,19 +1,8 @@
 { config, pkgs, lib, ... }:
 
-let
-  inherit (pkgs.lib) optionalString;
-
-  # not having the attribute users means
-  # we cannot change the default shell (e.g. this is not a NixOS host)
-  exec_zsh = ''
-#    if [ -f "$HOME/.bashrc" ]; then
-#      . "$HOME/.bashrc"
-#    fi
-
-    exec ${pkgs.zsh}/bin/zsh
-  '';
-in
 {
+  home.packages = with pkgs; [ any-nix-shell ];
+
   programs.zsh = {
     enable = true;
 
@@ -22,9 +11,9 @@ in
       plugins = [ "git" "sudo" "docker" "docker-compose" "adb" "systemd" ];
       theme = "bira";
     };
-  };
 
-  home.file.".bashrc".text = ''
-    ${optionalString (!builtins.hasAttr "users" config) "${exec_zsh}"}
+    initExtra = ''
+      any-nix-shell zsh --info-right | source /dev/stdin
     '';
+  };
 }