flake/nixos/shell.nix

{ config, pkgs, ... }: {
  #TODO: Submit a PR to nixpkgs to add xonsh support to the Starship module
  # After that, we can remove this import and the disabledModules line
  disabledModules = [ "programs/starship.nix" ];
  imports = [ /bulk/home/cswimr/Projects/nixpkgs/nixos/modules/programs/starship.nix ];

  # starship - a customizable prompt for any shell
  programs.starship = {
    enable = true;
    # custom settings
    settings = {
      format =
        "[](bg:#1e1e2e fg:#a6e3a1)$username$hostname[](fg:#a6e3a1 bg:#89b4fa)$directory[](fg:#89b4fa bg:#cba6f7)$direnv[](fg:#cba6f7 bg:#f9e2af)$git_branch$git_status[](fg:#f9e2af bg:#1e1e2e)$character";
      username = {
        show_always = true;
        format = "[ $user@]($style)";
        style_user = "fg:#313244 bg:#a6e3a1";
        style_root = "fg:#313244 bg:#a6e3a1";
      };
      hostname = {
        ssh_only = false;
        format = "[$hostname $ssh_symbol]($style)";
        style = "fg:#313244 bg:#a6e3a1";
      };
      directory = {
        format = "[ $path ]($style)";
        style = "fg:#313244 bg:#89b4fa";
      };
      git_branch = {
        format = "[ $symbol$branch(:$remote_branch) ]($style)";
        symbol = "  ";
        style = "fg:#313244 bg:#f9e2af";
      };
      direnv = {
        symbol = "󱄅 ";
        format = "[ $symbol$loaded/$allowed ]($style)";
        disabled = false;
        style = "fg:#313244 bg:#cba6f7";
      };
      git_status = {
        format = "[$all_status]($style)";
        style = "fg:#313244 bg:#f9e2af";
      };
      git_metrics = {
        format = "([+$added]($added_style))[]($added_style)";
        added_style = "fg:#313244 bg:#f9e2af";
        deleted_style = "fg:bright-red bg:235";
        disabled = false;
      };
      hg_branch = {
        format = "[ $symbol$branch ]($style)";
        symbol = " ";
      };
      cmd_duration = {
        format = "[  $duration ]($style)";
        style = "fg:bright-white bg:18";
      };
      character = {
        success_symbol = "[ ](#a6e3a1) ";
        error_symbol = "[ ✗](#f38ba8) ";
      };
      add_newline = false;
    };
  };

  # enable bash completions
  # even though we don't use bash as our shell, xonsh uses bash completion scripts
  programs.bash.completion.enable = true;

  users.defaultUserShell = pkgs.xonsh;
  programs.xonsh = let bashcfg = config.programs.bash;
  in {
    enable = true;
    config = ''
      $BASH_COMPLETIONS = ('${bashcfg.completion.package}/etc/profile.d/bash_completion.sh')
      #execx($(starship init xonsh))
      #xontrib load cd
      xontrib load direnv
      xontrib load sh
    '';
    package = pkgs.xonsh.override {
      extraPackages = ps: [
        # (ps.buildPythonPackage rec {
        #   name = "xontrib-cd";
        #   version = "0.3.1";

        #   src = pkgs.fetchFromGitHub {
        #     owner = "eugenesvk";
        #     repo = name;
        #     rev = version;
        #     sha256 = "XxSxjyCg7PeX1v3e2KKicvAPmNeq+qVqbW4fXTwAiic=";
        #   };

        #   meta = {
        #     homepage = "https://github.com/eugenesvk/xontrib-cd";
        #     description =
        #       "`cd` to any path without escaping in xonsh shell: `cd ~/[te] st`";
        #     license = pkgs.lib.licenses.mit;
        #     maintainers = [ "cswimr" ];
        #   };
        # })
        (ps.buildPythonPackage rec {
          name = "xonsh-direnv";
          version = "1.6.5";

          src = pkgs.fetchFromGitHub {
            owner = "74th";
            repo = name;
            rev = version;
            sha256 = "huBJ7WknVCk+WgZaXHlL+Y1sqsn6TYqMP29/fsUPSyU=";
          };

          meta = {
            homepage = "https://github.com/74th/xonsh-direnv";
            description = "xonsh extension for using direnv";
            license = pkgs.lib.licenses.mit;
            maintainers = [ "cswimr" ];
          };
        })
        (ps.buildPythonPackage rec {
          name = "xontrib-sh";
          version = "0.3.1";

          src = pkgs.fetchFromGitHub {
            owner = "anki-code";
            repo = name;
            rev = version;
            sha256 = "KL/AxcsvjxqxvjDlf1axitgME3T+iyuW6OFb1foRzN8=";
          };

          meta = {
            homepage = "https://github.com/anki-code/xontrib-sh";
            description =
              "Paste and run commands from bash, zsh, fish, tcsh in xonsh shell.";
            license = pkgs.lib.licenses.mit;
            maintainers = [ "cswimr" ];
          };
        })
      ];
    };
  };
}