users/seth/shell/fish.nix


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{
  config,
  pkgs,
  ...
}: {
  programs.fish = {
    enable = true;
    catppuccin.enable = true;

    interactiveShellInit = ''
      set -l nixfile ${config.home.homeDirectory}/.nix-profile/etc/profile.d/nix.fish
      if test -e $nixfile
      	source $nixfile
      end

      nix-your-shell fish | source

      abbr -a !! --position anywhere --function last_history_item
    '';

    functions = {
      last_history_item.body = "echo $history[1]";
    };

    shellAbbrs = {
      nixgc = "sudo nix-collect-garbage -d && nix-collect-garbage -d";
    };

    plugins = let
      mkFishPlugins = builtins.map (plugin: {
        name = plugin;
        inherit (pkgs.fishPlugins.${plugin}) src;
      });
    in
      mkFishPlugins [
        "autopair"
      ];
  };
}