Add zsh back, remove nushell

system/home/desktop.nix

@@ -21,7 +21,7 @@
     alacritty = {
       enable = true;
       settings = {
-        shell = "${config.programs.nushell.package}/bin/nu";
+        shell = "${config.programs.zsh.package}/bin/zsh";
         window = {
           dynamic_title = true;
           padding = {

system/home/plasma/konsole.nix

@@ -8,7 +8,7 @@
     profiles.onelight = {
       name = "One-Light";
       colorScheme = "onelight";
-      command = "${config.programs.nushell.package}/bin/nu";
+      command = "${config.programs.zsh.package}/bin/zsh";
       font = {
         inherit (config.stylix.fonts.monospace) name;
         size = config.stylix.fonts.sizes.terminal;

system/home/shell/default.nix

@@ -22,7 +22,6 @@
     fd.enable = true;
     jq.enable = true;
     nix-index.enable = true;
-    nushell.enable = true;
     ripgrep.enable = true;
     bat = {
       enable = true;
@@ -97,5 +96,36 @@
         copy_on_select = true;
       };
     };
+    zsh = {
+      enable = true;
+      enableCompletion = true;
+      autocd = true;
+      autosuggestion.enable = true;
+      defaultKeymap = "emacs";
+      syntaxHighlighting = {
+        enable = true;
+        highlighters = [
+          "brackets"
+          "cursor"
+        ];
+      };
+      historySubstringSearch.enable = true;
+      history = {
+        extended = true;
+        share = true;
+        ignoreDups = true;
+        ignoreAllDups = true;
+        ignoreSpace = true;
+        expireDuplicatesFirst = true;
+      };
+      initExtra = ''
+        ## completion config and styling
+        zstyle ':completion:*' matcher-list 'm:{a-z}={A-Za-z}'
+        zstyle ':completion:*' menu 'select=long-list'
+
+        ## transient prompt
+        source ${./transient.zsh}
+      '';
+    };
   };
 }

system/home/shell/starship.nix

@@ -143,8 +143,8 @@
         disabled = false;
         format = "using [$indicator]($style)";
         bash_indicator = "  ";
+        zsh_indicator = "󰰶  ";
         fish_indicator = "󰈺  ";
-        nu_indicator = "ν ";
         powershell_indicator = "  ";
         cmd_indicator = "  ";
         unknown_indicator = "  ";

system/home/shell/transient.zsh

@@ -0,0 +1,31 @@
+#!/usr/bin/env zsh
+
+zle-line-init() {
+    emulate -L zsh
+
+    [[ $CONTEXT == start ]] || return 0
+
+    while true; do
+        zle .recursive-edit
+        local -i ret=$?
+        [[ $ret == 0 && $KEYS == $'\4' ]] || break
+        [[ -o ignore_eof ]] || exit 0
+    done
+
+    local saved_prompt=$PROMPT
+    local saved_rprompt=$RPROMPT
+    PROMPT='󰁔 '
+    RPROMPT=''
+    zle .reset-prompt
+    PROMPT=$saved_prompt
+    RPROMPT=$saved_rprompt
+
+    if ((ret)); then
+        zle .send-break
+    else
+        zle .accept-line
+    fi
+    return ret
+}
+
+zle -N zle-line-init