nixos-configuration/nixos/modules/shell.nix

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

let
  aliasDrag = pkgs.writeScriptBin "drag" ''
    ${pkgs.ripdrag}/bin/ripdrag -Axd $@
  '';
in
{
  imports = [
    ./unstable-packages.nix
  ];

  config = {
    environment.systemPackages = ( with pkgs; [
      aliasDrag
      ranger-git
      ripgrep
      (kitty.overrideAttrs (superAttrs: {
        patches = superAttrs.patches or [] ++ [
          (fetchpatch {
            url = "https://github.com/AmirulAndalib/kitty/commit/61fd8c4003b361503160424cbed1960153f40290.patch";
            excludes = lib.map lib.escapeRegex [
              "docs/changelog.rst"
            ];
            hash = "sha256-TqO/pLRkxN+Mz4nfNfTntGpPoy6OgbtAGmdohG/1BFs=";
          })
        ];
      }))
      zoxide
    ]) ++ [
      (
        pkgs.writeScriptBin "nix-convert-hash" ''
          ${lib.getExe' config.nix.package "nix"} --extra-experimental-features "nix-command" hash convert "$@"
        ''
      )
    ];

    programs.bash.shellInit = ''
      HISTCONTROL=ignoreboth
    '';

    programs.bash.interactiveShellInit = lib.mkMerge [
      ''
        HISTCONTROL=ignoreboth
        if test -n "$KITTY_INSTALLATION_DIR"; then
          export KITTY_SHELL_INTEGRATION="enabled,no-sudo"
          source "$KITTY_INSTALLATION_DIR/shell-integration/bash/kitty.bash"
        fi
        alias bye=exit
      ''
      (lib.mkAfter ''
        eval "''$(${lib.getExe pkgs.zoxide} init bash)"
      '')
    ];

    environment.etc."xdg/kitty/kitty.conf".text = ''
      font_family MesloLGS Nerd Font
      font_size 10.0
      scrollback_lines 10000
      window_border_width 0.5
      window_padding_width 3
      ${if config.services.xserver.desktopManager.gnome.enable then "hide_window_decorations yes" else ""}
      background_opacity 0.8
      dynamic_background_opacity yes

      map kitty_mod+alt+c copy_ansi_to_clipboard
    '';

    environment.etc."ranger/rc.conf".text = ''
      eval import os; fm.set_option_from_string("preview_images", "true") if "KITTY_INSTALLATION_DIR" in os.environ else None;
      eval import os; fm.set_option_from_string("preview_images_method", "kitty") if "KITTY_INSTALLATION_DIR" in os.environ else None;
      set vcs_aware true
      set show_hidden true

      alias drag shell ${pkgs.ripdrag}/bin/ripdrag -Axd %p &
      map <C-d> drag
    '';

    environment.etc."ranger/plugins/zoxide.py".source = pkgs.fetchFromGitHub {
      owner = "jchook";
      repo = "ranger-zoxide";
      rev = "281828de060299f73fe0b02fcabf4f2f2bd78ab3";
      hash = "sha256-JEuyYSVa1NS3aftezEJx/k19lwwzf7XhqBCL0jH6VT4=";
    } + /__init__.py;

    programs.direnv.enable = true;

    programs.neovim = {
      enable = true;
      viAlias = true;
      vimAlias = true;
      configure = {
        customRC = ''
          set number
          set hlsearch
          set incsearch
          set tabstop=4
          set softtabstop=4
          set shiftwidth=4
          set expandtab
          set autoindent
          set updatetime=500
          colorscheme vim

          syntax on
          set encoding=utf-8
          set wildmode=longest,list,full
          set listchars=space:·,tab:┄┄»
          set indentkeys-=0#

          " rainbow-delimeters-nvim
          let g:rainbow_delimiters = {
            \ 'strategy': {
              \ ${"''"}: rainbow_delimiters#strategy.global,
            \ },
          \ }

          " vim-gitguter
          set signcolumn=yes
          highlight SignColumn NONE
          highlight GitGutterAdd ctermfg=2 guifg=#2ea043
          highlight GitGutterChange ctermfg=4 guifg=#0078d4
          highlight GitGutterDelete ctermfg=1 guifg=#f85149

          lua require('guess-indent').setup {}
        '';
        packages.myVimPackage = with pkgs.vimPlugins; {
          start = [
            guess-indent-nvim
            vim-visual-multi
            autoclose-nvim
            rainbow-delimiters-nvim
            vimagit
            vim-gitgutter
          ];
        };
      };
    };

    environment.variables = lib.mkIf config.programs.neovim.enable rec {
      EDITOR = "/run/current-system/sw/bin/nvim";
      VISUAL = EDITOR;
    };

    programs.starship = {
      enable = true;
      settings = {
        format = lib.concatStrings [
          "$all"
          "\${custom.sshAuthSocket}"
          "$line_break"
          "\${custom.ranger}"
          "$jobs"
          "$battery"
          "$time"
          "$status"
          "$os"
          "$container"
          "$shell"
          "$character"
        ];
        directory = {
          truncation_length = 5;
          truncation_symbol = "…/";
        };
        hostname = {
          ssh_only = false;
        };
        username = {
          show_always = true;
        };
        status.disabled = false;
        custom.ranger = {
          when = "test $RANGER_LEVEL";
          command = "echo \"✦\"";
          style = "bold 208";
        };
        custom.sshAuthSocket = {
          when = "test -S \"$SSH_AUTH_SOCK\"";
          command = "echo -e \"SSH Auth Agent\"";
          style = "124";
          format = "with [$output]($style) ";
        };
      };
    };
  };
}