nix-managed-macbook/programs/fish.nix

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

let
  username = config.home.username;
  fishPlugins = with pkgs.fishPlugins; [
    autopair-fish
    colored-man-pages
    foreign-env
    fzf-fish
    gruvbox
  ];

in
{
  programs.fish = {
    enable = true;

    plugins = builtins.map (p: {
      name = p.meta.name;
      src = p.src;
    }) fishPlugins;

    functions = {
      where = "readlink -f (which $argv)";
      ghe = "set -l dir (mktemp -d); git clone --depth 1 https://github.com/$argv $dir; cd $dir; ranger;";
      nix-roots = ''
        nix-store --gc --print-roots | grep -v lsof | grep -v libproc | grep -v "{temp:"
      '';
      nix-roots-tree = ''nix-roots | sed "s/\/nix\/store\///g" | as-tree'';
    };

    interactiveShellInit = ''
      fzf_configure_bindings --git_status=\cs --history=\cr --variables=\cv --directory=\cf --git_log=\cg

      if test -d (brew --prefix)"/share/fish/completions"
        set -p fish_complete_path (brew --prefix)/share/fish/completions
      end

      if test -d (brew --prefix)"/share/fish/vendor_completions.d"
        set -p fish_complete_path (brew --prefix)/share/fish/vendor_completions.d
      end

      fastfetch
      set -gx EDITOR micro
    '';

    shellInit = ''
      # nix
      fenv source /nix/var/nix/profiles/default/etc/profile.d/nix-daemon.sh
      fenv source /run/current-system/etc/bashrc
      fenv source /etc/profiles/per-user/${username}/etc/profile.d/hm-session-vars.sh
      fish_add_path -m ~/.local/bin ~/.cabal/bin /etc/profiles/per-user/${username}/bin
      eval "$(${osConfig.homebrew.brewPrefix}/brew shellenv)"
    '';
  };
}