common: add zsh + oh-my-zsh + powerlevel10k for darman

common.nix

@@ -7,6 +7,7 @@
     isNormalUser = true;
     description = "darman";
     extraGroups = [ "wheel" "networkmanager" ];
+    shell = pkgs.zsh;
     openssh.authorizedKeys.keys = [
       "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGZpkPVhzi1zG5JI9hWyUgdyvNIQbp4ts4jw3idpMhhN erik@laptop"
     ];
@@ -47,7 +48,20 @@
     options = "--delete-older-than 30d";
   };
 
-  environment.systemPackages = with pkgs; [ vim git htop tmux curl wget ];
+  environment.systemPackages = with pkgs; [ vim git htop tmux curl wget zsh-powerlevel10k ];
+
+  # ---- zsh / oh-my-zsh / powerlevel10k ----
+  programs.zsh = {
+    enable = true;
+    ohMyZsh = {
+      enable = true;
+      theme = "robbyrussell"; # prompt itself replaced by p10k below
+    };
+    interactiveShellInit = ''
+      source ${pkgs.zsh-powerlevel10k}/share/zsh-powerlevel10k/powerlevel10k.zsh-theme
+      source ${./dotfiles/p10k.zsh}
+    '';
+  };
 
   # ---- Locale / firewall base ----
   time.timeZone = "Europe/Berlin";