Revert "let's try nushell"

This reverts commit 68d99c3696.

share/common.nix

@@ -332,7 +332,6 @@ in
     pkgs.kdePackages.neochat
     nixos-install-tools
     nmap
-    nushell
     nvme-cli
     procmail
     okteta
@@ -499,8 +498,12 @@ in
     enableMail = false;
   };
 
-  # add nushell and zsh to allowed shells
-  environment.shells = with pkgs; [ nushell zsh ];
+  # use ZSH per default
+  programs.zsh.enable = true;
+  environment.shells = with pkgs; [ zsh ];
+
+  # needed for the ZSH completion
+  environment.pathsToLink = [ "/share/zsh" ];
 
   # use micro as default terminal editor
   environment.variables.EDITOR = "micro";

share/home.nix

@@ -2,19 +2,31 @@
   # initial version
   home.stateVersion = "22.11";
 
-  # my nushell config
-  programs.nushell = {
-    # we use nushell
+  # ZSH with good config
+  programs.zsh = {
+    # ZSH on
     enable = true;
 
-    # shell config
-    extraConfig = ''
-       $env.config = {
-        table: {
-        mode: none
-    }
-       }
-       '';
+    # we want completion
+    enableCompletion = true;
+
+    # we want suggestions of already typed stuff
+    autosuggestion.enable = true;
+
+    # we want nice command highlighting
+    syntaxHighlighting.enable = true;
+
+    # better history
+    history = {
+      # save timestamps
+      extended = true;
+
+      # kill dupes over full history
+      ignoreAllDups = true;
+
+      # don't share history between sessions
+      share = false;
+    };
 
     # aliases
     shellAliases = {
@@ -42,14 +54,14 @@
       neko = "ssh neko.fritz.box";
       nekoroot = "ssh root@neko.fritz.box";
     };
-   };
+  };
 
   # nice prompt
   # https://starship.rs/config/
   # https://draculatheme.com/starship
   programs.starship = {
     enable = true;
-    enableNushellIntegration = true;
+    enableZshIntegration = true;
     settings = {
       command_timeout = 10000;
       aws.style = "bold #ffb86c";
@@ -76,20 +88,37 @@
   # nice cd
   programs.zoxide = {
     enable = true;
-    enableNushellIntegration = true;
+    enableZshIntegration = true;
     options = [ "--cmd" "cd" ];
   };
 
+  # integrate fuzzy search
+  programs.fzf = {
+    enable = true;
+    enableZshIntegration = true;
+  };
+
   # better completion
   programs.carapace = {
     enable = true;
-    enableNushellIntegration = true;
+    enableZshIntegration = true;
   };
 
   # better ls, adds la and Co. aliases, too
   programs.eza = {
     enable = true;
-    enableNushellIntegration = true;
+    enableZshIntegration = true;
+  };
+
+  # tmux replacement
+  programs.zellij = {
+    enable = true;
+    enableZshIntegration = true;
+    settings = {
+      theme = "catppuccin-mocha";
+      pane_frames = false;
+      on_force_close = "quit";
+    };
   };
 
   # better cat

share/users.nix

@@ -14,8 +14,8 @@ in
     # all users and passwords are defined here
     mutableUsers = false;
 
-    # default shell is nushell
-    defaultUserShell = pkgs.nushell;
+    # default shell is ZSH
+    defaultUserShell = pkgs.zsh;
 
     #
     # administrator