dotfiles/modules/cli/fish.nix

{ config, lib, pkgs, inputs, ... }:

{
  users.users.moritz.shell = pkgs.fish;
  # needed for nix completions
  programs.fish.enable = true;
  home-manager.users.moritz = {
    programs = {
      fish = {
        enable = true;
        shellAbbrs = {
          us = "systemctl --user";
          rs = "doas systemctl";

          ga = "git add";
          gb = "git branch";
          gc = "git commit";
          gco = "git checkout";
          gd = "git diff";
          gds = "git diff --staged";
          gp = "git push";
          gs = "git status";
        };
        shellAliases = {
          du = "dust";
          ls = "exa -lh --icons --git";
          cat = "bat";
          feh = "feh --auto-zoom --scale-down";
          grep = "rg";

          ssh = "TERM=xterm-color command ssh";

          nix-switch = "doas nixos-rebuild switch --flake ~/.dotfiles";
          nix-boot = "doas nixos-rebuild boot --flake ~/.dotfiles";
          nix-lock =
            "doas nixos-rebuild dry-activate --flake ~/.dotfiles --recreate-lock-file";
        };
        shellInit = ''
          fzf_configure_bindings --git_log=\cg

          # Vi Mode
          fish_vi_key_bindings

          # Emulates vim's cursor shape behavior
          # Set the normal and visual mode cursors to a block
          set fish_cursor_default block
          # Set the insert mode cursor to a line
          set fish_cursor_insert line
          # Set the replace mode cursor to an underscore
          set fish_cursor_replace_one underscore
          # The following variable can be used to configure cursor shape in
          # visual mode, but due to fish_cursor_default, is redundant here
          set fish_cursor_visual block

          # Variables
          set -x EDITOR TERM=kitty-direct emacsclient -t  # HACK to fix 24bit color support with kitty
        '';
        functions = {
          gi = ''
            set url https://www.gitignore.io/api
            if test (count $argv) -ne 1
              set list (curl -sL $url/list | string split ",")
              set choice (string split " " $list | fzf -m --preview "curl -sL $url/{}" | string join ",")
            else
              set choice $argv[1]
            end
            curl -sL $url/$choice > .gitignore
          '';
          fish_greeting = "";
          cheat = "cht.sh $argv | bat -p";
        };
        plugins = [{
          name = "dracula";
          src = inputs.dracula-fish;
        }];
      };
    };
    home.packages = with pkgs.fishPlugins; [ fzf-fish pisces ];
  };
}