refactor: support different pc/laptop configs

home/modules/fish.nix

@@ -0,0 +1,27 @@
+{ config, lib, pkgs, ... }:
+
+{
+  programs.fish = {
+    enable = true;
+    shellInit = "set fish_greeting";
+    shellAliases = {
+      # Replace ls with exa
+      ls = "exa -al --color=always --group-directories-first --icons"; # preferred listing
+      la = "exa -a --color=always --group-directories-first --icons";  # all files and dirs
+      ll = "exa -l --color=always --group-directories-first --icons";  # long format
+      lt = "exa -aT --color=always --group-directories-first --icons"; # tree listing
+      "l." = "exa -a | rg '^\.'";                                      # show only dotfiles
+
+      # Replace cat with bat
+      cat = "bat";
+    };
+    # alias for nix shell with flake packages
+    functions.add.body = ''
+      set -x packages 'nixpkgs#'$argv
+      nix shell $packages
+    '';
+    interactiveShellInit = ''
+      fastfetch
+    '';
+  };
+}