DashNix/modules/programs/starship.nix

{
  lib,
  config,
  options,
  pkgs,
  inputs,
  ...
}:
{
  options.mods = {
    starship = {
      enable = lib.mkOption {
        default = true;
        example = false;
        type = lib.types.bool;
        description = ''
          Enables starship prompt
        '';
      };
      useDefaultPrompt = lib.mkOption {
        default = true;
        example = false;
        type = lib.types.bool;
        description = ''
          Enables preconfigured prompt
        '';
      };
      customPrompt = lib.mkOption {
        default = { };
        example = { };
        type = with lib.types; attrsOf anything;
        description = ''
          Custom configuration for prompt.
          Will be merged with preconfigured prompt if that is used.
        '';
      };
    };
  };

  # environment.systemPackages needed in order to configure systemwide
  config = lib.mkIf config.mods.starship.enable (
    lib.optionalAttrs (options ? environment.systemPackages) {
      programs.starship =
        let
          base16 = pkgs.callPackage inputs.base16.lib { };
          scheme = (base16.mkSchemeAttrs config.stylix.base16Scheme);
          code_format = "[](bg:prev_bg fg:#5256c3)[ $symbol ($version)](bg:#5256c3)";
        in
        {
          enable = true;
          interactiveOnly = true;
          presets = lib.mkIf config.mods.starship.useDefaultPrompt [ "pastel-powerline" ];
          settings =
            lib.mkIf config.mods.starship.useDefaultPrompt {
              # derived from https://starship.rs/presets/pastel-powerline
              format = "$username$directory$git_branch$git_status$git_metrics[ ](bg:none fg:prev_bg)";
              right_format = "$c$elixir$elm$golang$gradle$haskell$java$julia$nodejs$nim$rust$scala$python$ocaml$opa$perl$zig$dart$dotnet$nix_shell$shell$solidity[](bg:prev_bg fg:#3465A4)$time$os";
              username = {
                show_always = false;
                style_user = "bg:#5277C3 fg:#${scheme.base05}";
                style_root = "bg:#5277C3 fg:#${scheme.base05}";
                format = "[ $user ]($style)[](bg:#3465A4 fg:#5277C3)";
                disabled = false;
              };
              os = {
                symbols = {
                  NixOS = "  ";
                };
                style = "bg:#3465A4 fg:#${scheme.base05}";
                disabled = false;
              };
              directory = {
                style = "bg:#3465A4 fg:#${scheme.base05}";
                format = "[ $path ]($style)";
                truncation_length = 3;
                truncation_symbol = "…/";
              };
              git_branch = {
                always_show_remote = true;
                symbol = "";
                style = "bg:#5256c3 fg:#${scheme.base05}";
                format = "[ ](bg:#5256c3 fg:prev_bg)[$symbol ($remote_name )$branch ]($style)";
              };
              git_status = {
                staged = "+\${count} (fg:#C4A000)";
                ahead = "⇡\${count} (fg:#C4A000)";
                diverged = "⇕⇡\${count} (fg:#C4A000)";
                behind = "⇣\${count} (fg:#C4A000)";
                stashed = " ";
                untracked = "?\${count} (fg:#C4A000)";
                modified = "!\${count} (fg:#C4A000)";
                deleted = "✘\${count} (fg:#C4A000)";
                conflicted = "=\${count} (fg:#C4A000)";
                renamed = "»\${count} (fg:#C4A000)";
                style = "bg:#5256c3 fg:fg:#C4A000";
                format = "[$all_status$ahead_behind]($style)";
              };
              git_metrics = {
                disabled = false;
                format = "([| ](bg:#5256c3)[+$added]($added_style bg:#5256c3)[ -$deleted]($deleted_style bg:#5256c3))";
              };
              c = {
                format = code_format;
              };
              elixir = {
                format = code_format;
              };
              elm = {
                format = code_format;
              };
              golang = {
                format = code_format;
              };
              gradle = {
                format = code_format;
              };
              haskell = {
                format = code_format;
              };
              java = {
                format = code_format;
              };
              julia = {
                format = code_format;
              };
              nodejs = {
                format = code_format;
              };
              nim = {
                format = code_format;
              };
              nix_shell = {
                symbol = "";
                format = code_format;
              };
              rust = {
                format = code_format;
              };
              scala = {
                format = code_format;
              };
              typst = {
                format = code_format;
              };
              python = {
                format = code_format;
              };
              ocaml = {
                format = code_format;
              };
              opa = {
                format = code_format;
              };
              perl = {
                format = code_format;
              };
              zig = {
                format = code_format;
              };
              dart = {
                format = code_format;
              };
              dotnet = {
                format = code_format;
              };
              time = {
                disabled = false;
                time_format = "%R"; # Hour:Minute Format
                style = "bg:#3465A4 fg:#${scheme.base05}";
                format = "[ $time ]($style)";
              };
            }
            // config.mods.starship.customPrompt;
        };
    }
  );
}