dotfiles/home.org

#+PROPERTY: header-args :mkdirp yes :noweb yes
#+PROPERTY: header-args:elisp :lexical t
* Categories
#+begin_src nix :tangle target/default.nix
  {lib, pkgs, config, ...}: let
    inherit (lib)
      mkIf
      mkMerge
    ;
    cfg = config.jfrikker;
    in {
      options.jfrikker = {
        enable = lib.mkEnableOption "Joe Frikker's configuration";
        desktop.enable = lib.mkEnableOption "Desktop (GUI) applications";
        redbook.enable = lib.mkEnableOption "Redbook-specific configuration";
        
        <<nix-options>>
      };
      
      config = mkIf cfg.enable (mkMerge [
        <<nix-configs>>
      ]);
    }
#+end_src

* Packages
:PROPERTIES:
:header-args:nix: :noweb-ref nix-configs
:END:

Home-manager "packages" are simply binaries that are placed on the path, without any attached
configuration. The code blocks in this section contain package lists that go under the packages
section above.

~SBCL~ is the current leading open-source common lisp compiler. It requires any libraries you want
to be availble to be installed using withPackages. Many lisp projects I work on have this overridden
in a ~nix~ devshell I think I'd also like to use it for scripting / exploratory development, though,
so I'm installing it globally with a useful set of libraries. I should curate this somewhat
carefully so it doesn't get carried away...

#+BEGIN_SRC nix
  {
    home.packages = with pkgs; [
      rlwrap
      ((sbcl.withPackages (ps: with ps; [
        alexandria
        cl-markup
        cl-mock
        clack
        clack-handler-woo
        dbi
        defstar
        dexador
        fare-csv
        group-by
        lack-request
        lack-response
        local-time
        log4cl
        mito
        myway
        prove
        prove-asdf
        replic
        serapeum
        shasht
        slynk
        smug
        split-sequence
        str
        sxql-composer
        trivia
        trivial-mmap
        trivial-ws
        trivial-open-browser
        trivial-timeout
        uuid
      ])).overrideAttrs (o: {
        # Work around nixpkgs' new empty-PATH-segment check in makeWrapper; the
        # lisp wrapper intentionally uses a trailing `:` (ASDF "inherit config").
        installPhase = builtins.replaceStrings
          [ "--prefix CL_SOURCE_REGISTRY :" "--prefix ASDF_OUTPUT_TRANSLATIONS :" ]
          [ "--set CL_SOURCE_REGISTRY" "--set ASDF_OUTPUT_TRANSLATIONS" ]
          o.installPhase;
      }))
    ];
  }
#+END_SRC

[[https://github.com/str4d/rage][~rage~]] is a rust implementation of [[https://pkg.go.dev/filippo.io/age][~age~]]. It implements a simple system for generating public /
private encryption keys, and encrypting / decrypting files with those keys. [[https://github.com/str4d/age-plugin-yubikey][~age-plugin-yubikey~]], as
the name implies, allows generating and storing ~age~ keys on a Yubikey. ~rage~ is required over
~age~ when using ~age.el~, because it supports ~pinentry~. That allows it to prompt for yubikey pins
using a dialog, rather than a command line prompt.

#+BEGIN_SRC nix
  {
    home.packages = with pkgs; [
      yubikey-manager
    ];
  }
#+END_SRC

~dust~, ~fd~, ~ripgrep~, and ~xh~ are rust re-implementations of a few longtime Linux command-line
tools. They boost better speed, or simply more streamlined features.

| Command   | Original |
| ~dust~    | ~du~     |
| ~fd~      | ~find~   |
| ~ripgrep~ | ~grep~   |
| ~xh~      | ~curl~   |

#+BEGIN_SRC nix
  {
    home.packages = with pkgs; [
      dust
      fd
      ripgrep
      tokei
      xh
    ];
  }
#+END_SRC

[[https://ledger-cli.org/][~ledger~]] is how I manage my budget. It's a plain-text accounting tool that's really awesome.

#+BEGIN_SRC nix
  {
    home.packages = with pkgs; [
      ledger   
    ];
  }
#+END_SRC

~nil~ is an LSP server for nix files.

#+BEGIN_SRC nix
  {
    home.packages = with pkgs; [
      nil
      nixfmt
    ];
  }
#+END_SRC

[[https://github.com/magic-wormhole/magic-wormhole][Magic Wormhole]] is a quick-and-easy way to securely transfer a file or directory between any two
computers in the world, assuming that you have an out-of-band way to communicate a passphrase
between them. Once installed, the actual command is ~wormhole~.

#+begin_src nix
  {
    home.packages = with pkgs; [
      magic-wormhole   
    ];
  }
#+end_src

These are the other programs I have installed globally. A few (like ~awscli~, ~mysql-client~, etc.)
are still Redbook-specific; ideally I'd find another way to install them.

 #+BEGIN_SRC nix
   (mkIf cfg.redbook.enable {
     home.packages = with pkgs; [
       openssh
       postgresql_15
     ];
   })
#+END_SRC

These programs require a full desktop environment:

#+BEGIN_SRC nix
  (mkIf cfg.desktop.enable {
    home.packages = with pkgs; [
      google-chrome
      nerd-fonts.jetbrains-mono
      nerd-fonts.symbols-only
      (iosevka-bin.override { variant = "Aile"; })
      (iosevka-bin.override { variant = "Etoile"; })
      (iosevka-bin.override { variant = "SGr-IosevkaTermSS14"; })
      nerd-fonts.symbols-only
      keymapp
      proton-pass
      wireshark
    ];

    fonts.fontconfig.enable = true;
  })
#+END_SRC
#+BEGIN_SRC nix
  (mkIf (cfg.redbook.enable && cfg.desktop.enable) {
    home.packages = with pkgs; [
      linear
      notion-app
      teams
    ];
  })
#+END_SRC

** Slack
#+BEGIN_SRC nix
  (mkIf (cfg.redbook.enable && cfg.desktop.enable) {
    home.packages = with pkgs; [
      (slack.overrideAttrs {
        version = "4.50.143";
        src = pkgs.fetchurl {
          url = "https://downloads.slack-edge.com/desktop-releases/mac/arm64/4.50.143/Slack-4.50.143-macOS.dmg";
          hash = "sha256-f5oYi8NPKXWpDcowFYMUjptbQs4V9hK2bm1TuaQeJn0=";
        };
      })
    ];

    programs.emacs = {
      extraPackages = epkgs: with epkgs; [
        ox-slack
        slack
      ];
      extraConfig = builtins.readFile ./slack.el;
    };
  })
#+END_SRC

#+BEGIN_SRC elisp :tangle target/slack.el
  (use-package lui
    :defer t
    :custom
    (lui-time-stamp-format "[%Y-%m-%d %H:%M]"))

  (use-package slack
    :commands slack-start
    :custom
    (slack-render-profile-images-p nil)
    (slack-buffer-function #'switch-to-buffer))
#+END_SRC

* Program Configurations
:PROPERTIES:
:header-args:nix: :noweb-ref nix-configs
:END:

This section contains applications whose config files will be generated by Home Manager. Home
Manager calls these "programs" (as opposed to "packages", which are just binaries to put on the
path).

** Simple Programs

Although Home-Manager generates config files for these programs, they don't need their own dedicated
configuration. I'm not sure what benefit there is to enabling ~jq~ as a Home Manager program, rather
than just as an available package, but there doesn't seem to be a downside.

#+BEGIN_SRC nix
  {
    programs = {
      bash.enable = true;
      gh.enable = true;
      home-manager.enable = true;
      jq.enable = true;
      lazygit.enable = true;
      zoxide.enable = true;
    };
  }
#+END_SRC

** Bat

~bat~ is a less alternative that performs syntax highlighting for a variety of languages. It also
provides syntax-highlighting versions of a few other commands. It's honestly not incredibly useful,
but still nice to have.

#+BEGIN_SRC nix
  {
    programs.bat = {
      enable = true;
      config.style = "numbers";
    };
  }
#+END_SRC

** Comma

#+BEGIN_SRC nix
  {
    programs.nix-index.enable = true;
    programs.nix-index-database.comma.enable = true;
  }
#+END_SRC

** Direnv

~direnv~ allows loading per-project paths as I navigate to their directories on the command line. I
leverage this with the emacs ~envrc~ package.

#+BEGIN_SRC nix
  {
    programs.direnv = {
      enable = true;
      nix-direnv.enable = true;
    };
  }
#+END_SRC

** Eza

~eza~ is an ~ls~ replacement that offers icons, colors, and some easier command-line options.

#+BEGIN_SRC nix
  {
    programs.eza = {
      enable = true;
      enableBashIntegration = true;
      enableZshIntegration = true;
      icons = "auto";
    };
  }
#+END_SRC

** Fzf

~fzf~ offers a variety of fuzzy finders right from the shell. I haven't been using this, so I'll
turn it off for now.

#+BEGIN_SRC nix
  {
    programs.fzf = {
      defaultCommand = "fd --type f";
      fileWidgetCommand = "fd --type f";
      fileWidgetOptions = ["--preview" "'bat --color=always --style=numbers --line-range=:500 {}'"];
      changeDirWidgetCommand = "fd --type d";
      tmux.enableShellIntegration = true;
    };
  }
#+END_SRC

** Git

We all know what ~git~ does.

#+BEGIN_SRC nix
  {
    programs.git = {
      enable = true;
      settings.user.name = "Joe Frikker";
      settings.user.email = "joe@redbookcattle.com";
      settings.github.user = "joe@redbookcattle.com";
      settings.merge.conflictstyle = "zdiff3";
    };

    programs.delta = {
      enable = true;
      enableGitIntegration = true;
    };
  }
#+END_SRC

** Helix

The best text editor ever? Heresy!

#+BEGIN_SRC nix
  {
    programs.helix = {
      enable = true;
      defaultEditor = true;

      settings.editor = {
        auto-format = false;
        auto-pairs = false;
        auto-save.after-delay.enable = true;
        auto-save.after-delay.timeout = 1000;
        cursorline = true;
        idle-timeout = 0;
        rulers = [120];
        text-width = 100;
        lsp.goto-reference-include-declaration = false;
        cursor-shape.insert = "bar";
        smart-tab.supersede-menu = true;
        whitespace.render.newline = "all";
      };

      settings.keys.normal.space = {
        space = "file_picker";
        "," = "buffer_picker";
        # b = "@:sh wezterm cli spawn --cwd . -- tig blame <C-r>%<ret>";
      };


      languages.language-server.eslint = {
        args = ["--stdio"];
        command = "vscode-eslint-language-server";
        config.nodePath = "";
        config.quiet = false;
        config.rulesCustomizations = [];
        config.run = "onType";
        config.validate = "on";
        config.codeAction.disableRuleComment.enable = true;
        config.codeAction.disableRuleComment.location = "separateLine";
        config.codeAction.showDocumentation.enable = true;
        config.problems.shortenToSingleLine = false;
      };

      languages.language-server.jdtls.config.java = {
        autobuild.enabled = true;
        completion.maxResults = 1000;
        format.settings.url = "https://raw.githubusercontent.com/google/styleguide/gh-pages/eclipse-java-google-style.xml";
      };

      languages.language-server.rust-analyzer.config.files.watcher = "client";

      languages.language = [
        {
          name = "typescript";
          language-servers = [ "typescript-language-server" "vscode-eslint-language-server" ];
          indent.tab-width = 4;
          indent.unit = "    ";
        }
        {
          name = "tsx";
          language-servers = [ "typescript-language-server" "vscode-eslint-language-server" ];
          indent.tab-width = 4;
          indent.unit = "    ";
        }
        {
          name = "java";
          indent.tab-width = 4;
          indent.unit = "    ";
        }
      ];
    };
  }
#+END_SRC

** Nh

~nh~ is an alternative frontend to home-manager and a few other nix tools that I'm trying out. It
shows what's changing when you update your config, which is nice.

#+BEGIN_SRC nix
  {
    programs.nh = {
      enable = true;
    };
  }
#+END_SRC

** Starship

~starship~ gives me a nice shell prompt, mostly showing the versions of relevant software I have
installed. It's shell-agnostic, so it works with both bash and zsh.

#+BEGIN_SRC nix
  {
    programs.starship = {
      enable = true;
      settings = {
        add_newline = false;
        container.disabled = true;
        git_branch.symbol = " ";
        git_status.ahead = "⇡\${count}";
        git_status.behind = "⇣\${count}";
        git_status.diverged = "⇕⇡\${ahead_count}⇣\${behind_count}";
        git_status.format = "([\\[\$conflicted\$staged\$ahead_behind\\]](\$style) )";
        java.symbol = " ";
        line_break.disabled = true;
        nix_shell.symbol = " ";
        nodejs.symbol = " ";
        package.disabled = true;
        palette = "catppuccin_frappe";
        python.symbol = " ";
        package.symbol = " ";
        rust.symbol = " ";
        docker_context.disabled = true;
        shell.disabled = false;
      };
    };
  }
#+END_SRC

** Tmux

I'm using ~wezterm~ instead of ~tmux~ for now, so this is disabled, but I'm keeping the config here
in case I need it later.

#+BEGIN_SRC nix
  {
    programs.tmux = {
      baseIndex = 1;
      clock24 = true;
      customPaneNavigationAndResize = true;
      historyLimit = 50000;
      enable = true;
      escapeTime = 0;
      keyMode = "vi";
      mouse = true;
      shell = pkgs.zsh + "/bin/zsh";
      shortcut = "Space";
      tmuxinator.enable = true;
      terminal = "xterm-256color";
      extraConfig = ''
  bind-key -T copy-mode-vi 'v' send -X begin-selection
  bind-key -T copy-mode-vi 'y' send -X copy-selection-and-cancel

  bind-key -T launcher g popup -h 100% -w 100% -E lazygit
  bind-key g switch-client -Tlauncher
  set -g default-command ""
      '';
    };
  }
#+END_SRC
** Wezterm
:PROPERTIES:
:header-args:lua: :noweb-ref wezterm-config
:END:

~wezterm~ is a fast terminal emulator and multiplexer. It is configured using lua. We'll define its
config in two blocks, so we can get lua syntax highlighting in org. First, the nix configuration:

#+BEGIN_SRC nix
  (mkIf cfg.desktop.enable {
    programs.wezterm = {
      enable = true;
      extraConfig = ''
        local config = {}
        config.default_prog = { '${pkgs.zsh}/bin/zsh', '-l'}
        config.font_size = ${if pkgs.stdenv.isDarwin then "13.0" else "10.0"}
        '' + builtins.readFile ./wezterm.lua;
    };
  })
#+END_SRC

Then the real lua config:

#+begin_src lua :tangle target/wezterm.lua :noweb-ref nil
  local config = {}

  <<wezterm-config>>

  return config
#+end_src

#+BEGIN_SRC lua
  config.default_prog = { '/Users/jfrikker/.nix-profile/bin/zsh', '-l' }
  config.font = wezterm.font 'Iosevka Term SS14'
  config.font_size = 13.0
  -- config.font = wezterm.font("JetBrains Mono")
  config.inactive_pane_hsb = {
    saturation = 0.5,
    brightness = 0.5,
  }
  config.pane_focus_follows_mouse = true
  config.switch_to_last_active_tab_when_closing_tab = true
  config.tab_bar_at_bottom = true
  config.use_fancy_tab_bar = false
  config.window_decorations = "RESIZE"
#+END_SRC

I use a workspace switcher plugin, bouned to ~cmd-s~, that lets me quickly switch between
per-project workspaces using a single OS window.

#+BEGIN_SRC lua
  local workspace_switcher = wezterm.plugin.require("https://github.com/MLFlexer/smart_workspace_switcher.wezterm")
  workspace_switcher.zoxide_path='~/.nix-profile/bin/zoxide'
#+END_SRC

Set up a default window layout when switching to a workspace that hasn't been opened in this session
yet. This will create three tabs, caled "edit", "run", and "term", and open helix in the first
one. I use "edit" for running the editor (obviously), "run" for building / running the application,
and "term" for miscellaneous other tasks. I sometimes split the "run" window into multiple panes if
the project requires multiple things to run simultaneously.

#+BEGIN_SRC lua
  wezterm.on('smart_workspace_switcher.workspace_switcher.created', function(window, path, workspace)
    local editor = window:active_tab()
    editor:set_title("edit")
    editor:panes()[1]:send_text("hx\n")
    local run = window:spawn_tab {}
    run:set_title "run"
    local term = window:spawn_tab {}
    term:set_title "term"
    editor:activate()
    end)

#+END_SRC

Put the current workspace name in the lower-right corner of the window. Taken from
[https://alexplescan.com/posts/2024/08/10/wezterm/].

#+BEGIN_SRC lua
  local function segments_for_right_status(window)
     return {
        window:active_workspace(),
     }
  end

  wezterm.on('update-status',
             function(window, _)
                local SOLID_LEFT_ARROW = utf8.char(0xe0b2)
                local segments = segments_for_right_status(window)
                
                local color_scheme = window:effective_config().resolved_palette
                -- Note the use of wezterm.color.parse here, this returns
                -- a Color object, which comes with functionality for lightening
                -- or darkening the colour (amongst other things).
                local bg = wezterm.color.parse(color_scheme.background)
                local fg = color_scheme.foreground

                -- Each powerline segment is going to be coloured progressively
                -- darker/lighter depending on whether we're on a dark/light colour
                -- scheme. Let's establish the "from" and "to" bounds of our gradient.
                local gradient_to, gradient_from = bg
                gradient_from = gradient_to:lighten(0.2)
                
                -- Yes, WezTerm supports creating gradients, because why not?! Although
                -- they'd usually be used for setting high fidelity gradients on your terminal's
                -- background, we'll use them here to give us a sample of the powerline segment
                -- colours we need.
                local gradient = wezterm.color.gradient(
                   {
                      orientation = 'Horizontal',
                      colors = { gradient_from, gradient_to },
                   },
                   #segments -- only gives us as many colours as we have segments.
                )

                -- We'll build up the elements to send to wezterm.format in this table.
                local elements = {}

                for i, seg in ipairs(segments) do
                   local is_first = i == 1

                   if is_first then
                      table.insert(elements, { Background = { Color = 'none' } })
                   end
                   table.insert(elements, { Foreground = { Color = gradient[i] } })
                   table.insert(elements, { Text = SOLID_LEFT_ARROW })

                   table.insert(elements, { Foreground = { Color = fg } })
                   table.insert(elements, { Background = { Color = gradient[i] } })
                   table.insert(elements, { Text = ' ' .. seg .. ' ' })
                end

                window:set_right_status(wezterm.format(elements))
  end)
#+END_SRC

Now we'll set up some keybindings:

| Key         | Action                                                              |
| s-s         | Switch Workspace                                                    |
| s--         | Vertical Split                                                      |
| s-\         | Horizontal split                                                    |
| s-hjkl      | Switch to the pane in that direction                                |
| s-g         | Launch ~lazygit~ in a new tab. The tab closes when ~lazygit~ exits. |
| s-z         | Toggle full-screen zoom for the active pane.                        |
| s-t         | Launch a terminal in a new tab.                                     |
| s-d         | Close the current tab (with confirmation).                          |
| s-123456789 | Switch to the tab with the corresponding number.                    |

#+BEGIN_SRC lua
  config.leader = { key = ' ', mods = 'CTRL', timeout_milliseconds = 10000 }
  config.keys = {
    {
  key = "s",
  mods = "CMD",
  action = workspace_switcher.switch_workspace(),
    },
    {
  key = "-",
  mods = "CMD",
  action = wezterm.action.SplitVertical {},
    },
    {
  key = "\\",
  mods = "CMD",
  action = wezterm.action.SplitHorizontal {},
    },
    {
  key = "h",
  mods = "CMD",
  action = wezterm.action.ActivatePaneDirection "Left",
    },
    {
  key = "j",
  mods = "CMD",
  action = wezterm.action.ActivatePaneDirection "Down",
    },
    {
  key = "k",
  mods = "CMD",
  action = wezterm.action.ActivatePaneDirection "Up",
    },
    {
  key = "l",
  mods = "CMD",
  action = wezterm.action.ActivatePaneDirection "Right",
    },
    {
  key = "g",
  mods = "CMD",
  action = wezterm.action.SpawnCommandInNewTab {
    args = { wezterm.home_dir .. "/.nix-profile/bin/zsh", "-l", "-i", "-c", "lazygit" }
  }
    },
    {
  key = "t",
  mods = "CMD",
  action = wezterm.action.SpawnCommandInNewTab {}
    },
    {
  key = 'z',
  mods = 'CMD',
  action = wezterm.action.TogglePaneZoomState,
    },
    {
  key = 'd',
  mods = 'CMD',
  action = wezterm.action.CloseCurrentTab { confirm = true },
    },
  }

  for i = 1, 9 do
    -- CTRL+ALT + number to activate that tab
    table.insert(config.keys, {
  key = tostring(i),
  mods = 'LEADER',
  action = wezterm.action.ActivateTab(i - 1),
    })
  end
#+END_SRC

** Kitty
#+BEGIN_SRC nix
  (mkIf cfg.desktop.enable {
    programs.kitty = {
      enable = true;
      font = {
        name = "Iosevka Term SS14";
        package = pkgs.iosevka-bin.override { variant = "SGr-IosevkaTermSS14"; };
        size = 13;
      };
      themeFile = "Catppuccin-Frappe";
      keybindings = {
        "ctrl+1" = "goto_tab 1";
        "ctrl+2" = "goto_tab 2";
        "ctrl+3" = "goto_tab 3";
        "ctrl+4" = "goto_tab 4";
        "ctrl+5" = "goto_tab 5";
        "ctrl+6" = "goto_tab 6";
        "ctrl+7" = "goto_tab 7";
        "ctrl+8" = "goto_tab 8";
        "ctrl+9" = "goto_tab 9";
      };
    };
  })
#+END_SRC

** Ghostty
Disabled until I can get it working on both linux and mac (if I want to).

#+BEGIN_SRC nix :noweb-ref nil
  {
    programs.ghostty = {
      enable = false;
      package = pkgs.ghostty-bin;
      settings = {
        adjust-cell-height = "15%";
        font-family = "Iosevka Term SS14";
        font-size = 13;
      };
    };
  }
#+END_SRC

** Zsh

This is my default shell for now. Unfortunately, nix requires a posix-compliant shell, so bash or
zsh it is.

#+BEGIN_SRC nix
  {
    programs.zsh = {
      enable = true;
      oh-my-zsh.enable = true;
      syntaxHighlighting.enable = true;
      autosuggestion.enable = true;
      historySubstringSearch.enable = true;
      history.share = false;
      cdpath = ["~/source"];
    };
  }
#+END_SRC

Actually, nix *really* requires ~bash~. This is a plugin that allows using zsh from nix-shell.

#+BEGIN_SRC nix
  {
    programs.zsh.plugins = [
      {
        name = "zsh-nix-shell";
        file = "nix-shell.plugin.zsh";
        src = pkgs.fetchFromGitHub {
          owner = "chisui";
          repo = "zsh-nix-shell";
          rev = "v0.7.0";
          sha256 = "149zh2rm59blr2q458a5irkfh82y3dwdich60s9670kl3cl5h2m1";
        };
      }
    ];
  }
#+END_SRC

** LLM
:PROPERTIES:
:header-args:elisp: :tangle target/emacs.el
:END:

#+BEGIN_SRC nix
  {
    programs.claude-code = {
      enable = true;
    };
    
    programs.emacs.init.usePackage = {
      claude-code = {
        enable = true;
        package = (epkgs: epkgs.trivialBuild {
          pname = "claude-code";
          version = "0.4.5";
          src = pkgs.fetchFromGitHub {
            owner = "stevemolitor";
            repo = "claude-code.el";
            rev = "03199df8b3a1e9cd4857f0851f7a912ba524aff3";
            sha256 = "sha256-5QJrWIu4EgnHcOqMwlrs2JBBx7aI9OaSJswesr6Apfk=";
          };
          packageRequires = [ epkgs.inheritenv ];
        });
        bindKeyMap."C-c c" = "claude-code-command-map";
        custom.claude-code-optimize-window-resize = false;
      };

      gptel = {
        enable = true;
        command = ["gptel"];
        bind."C-c g" = "gptel-menu";
        custom = {
          gptel-default-mode = "'org-mode";
          gptel-model = "'claude-sonnet-5";
          gptel-org-branching-context = true;
          gptel-include-reasoning = false;
        };
        config = ''
          <<emacs-gptel-config>>
        '';
      };

      gptel-agent = {
        enable = true;
        after = ["gptel"];
        config = ''
          <<emacs-gptel-agent-config>>
        '';
      };
    };
  }
#+END_SRC

#+BEGIN_SRC elisp :tangle no :noweb-ref emacs-gptel-config
  (setf (alist-get 'org-mode gptel-prompt-prefix-alist) "@user\n")
  (setf (alist-get 'org-mode gptel-response-prefix-alist) "@assistant\n")
  (gptel-make-tool
   :name "git_uncommitted_diff"
   :function (lambda ()
               (magit-git-output "diff" "HEAD"))
   :description "Return a unified diff of all uncommitted changes (staged and
  unstaged) in the current git repository, relative to HEAD. Note: this does
  not include brand-new untracked files that have never been added to the
  index."
   :args nil
   :category "git")

  (gptel-make-tool
   :name "git_head_commit_diff"
   :function (lambda ()
               (magit-git-output "show" "HEAD"))
   :description "Return the diff (including commit message) introduced by the
  HEAD commit in the current git repository, i.e. =git show HEAD=."
   :args nil
   :category "git")

  (gptel-make-tool
   :name "git_branch_diff"
   :function (lambda ()
               (let* ((upstream (magit-get-upstream-branch))
                      (merge-base (and upstream (magit-git-string "merge-base" "HEAD" upstream))))
                 (if (not merge-base)
                     "Could not determine upstream branch / merge base for the current branch."
                   (magit-git-output "diff" merge-base))))
   :description "Return a unified diff of all committed changes on the current
  branch relative to its upstream tracking branch's merge base. This shows
  everything this branch has added since it diverged from upstream."
   :args nil
   :category "git")

#+END_SRC

#+BEGIN_SRC elisp :tangle no :noweb-ref emacs-gptel-agent-config
  (require 'gptel-agent-tools-introspection)
  (gptel-agent-update)
  (gptel-make-preset 'coding
    :description "Preset for agentic coding"
    :backend "Claude"
    :model 'claude-sonnet-5
    :use-tools t
    :max-tokens 128000
    :tools '("Grep" "Read" "Glob" "Write" "Insert"
             "Edit" "Mkdir" "Diagnostics" "WebFetch" "WebSearch" "Bash" "git_uncommitted_diff" "git_head_commit_diff"
             "git_branch_diff"))
  (gptel-make-preset 'research
    :description "Preset for answering questions with web results"
    :backend "Claude"
    :model 'claude-sonnet-5
    :use-tools t
    :max-tokens 128000
    :confirm-tool-calls nil
    :tools '("WebFetch" "WebSearch"))
  (gptel-make-preset 'emacs-research
    :description "Preset for answering questions about the live emacs instance"
    :backend "Claude"
    :model 'claude-sonnet-5
    :use-tools t
    :max-tokens 128000
    :confirm-tool-calls nil
    :tools '("WebFetch" "WebSearch"
             "variable_completions" "command_completions" "function_completions"
             "variable_documentation" "function_documentation" "variable_value"
             "variable_source" "function_source" "symbol_manual_section"
             "library_source" "manual_node_contents" "manual_nodes" "manual_names"
             "features" "load_paths" "symbol_exists"))
#+END_SRC

** Age
:PROPERTIES:
:header-args:elisp: :tangle target/emacs.el
:END:

#+BEGIN_SRC nix
  {
    home.sessionVariables = {
      PINENTRY_PROGRAM = "pinentry-mac";
    };
    
    home.packages = with pkgs; [
      rage
      age-plugin-yubikey
    ];
    
    programs.emacs = {
      extraPackages = epkgs: with epkgs; [
        age
      ];
    };
  }
#+END_SRC

#+BEGIN_SRC elisp
  (use-package age
    :hook (after-init . age-file-enable)
    :custom
    (age-default-identity "~/source/dotfiles/keys/yubi1age.txt")
    (age-default-recipient "~/source/dotfiles/keys/myself.txt"))
#+END_SRC

* Emacs
:PROPERTIES:
:header-args:nix: :noweb-ref nix-configs
:header-args:elisp: :tangle target/emacs.el
:END:

Emacs is a huge portion of this configuration, so although it's a home-manager "program", I'm
breaking it out into its own top-level section. Many of the sections here have two code blocks: a
nix code block listing the emacs packages to include, and an elisp code block to configure them in
emacs.

We'll put the actual emacs configs into separate files, rather than into nix string literals. This
helps with a few places where nix's string interpolation was causing problems.

#+BEGIN_SRC nix
  (mkIf cfg.desktop.enable {
    programs.emacs = {
      enable = true;
      init.enable = true;
      extraConfig = builtins.readFile ./emacs.el;
    };
  })
#+END_SRC

** Keybindings
These keybindings are scattered throughout this file, I'm collecting them all here to make it easier
to track them.

  | Key     | Normal Key | Action                       | Mode    |
  | s-b     |            | [[id:6D1A8B35-3093-4DA6-A5AA-2A0D45112BAB][Switch project buffer]]        |         |
  | s-B     |            | [[id:6D1A8B35-3093-4DA6-A5AA-2A0D45112BAB][Switch buffer]]                |         |
  | s-f     | C-x p f    | [[id:A2F7FF5C-AFCC-44D4-9AA5-3498F6D6D5E0::workspace_keybinds][Open file in current project]] |         |
  | s-F     | C-x p p    | [[id:A2F7FF5C-AFCC-44D4-9AA5-3498F6D6D5E0::workspace_keybinds][Switch project]]               |         |
  | S-s     | C-x t RET  | [[id:A2F7FF5C-AFCC-44D4-9AA5-3498F6D6D5E0::workspace_keybinds][Switch tab]]                   |         |
  | C-c A   |            | [[id:3B0BFCDC-DFD5-42A0-97D8-3B032B128AF7][Org agenda]]                   |         |
  | C-c a   |            | [[id:5CCB676B-9FF0-47B4-8AF2-10FD3899A646][Eglot code actions]]           | prog    |
  | C-c c   |            | Claude Code                  |         |
  | C-c C   |            | [[id:3B0BFCDC-DFD5-42A0-97D8-3B032B128AF7][Org capture]]                  |         |
  | C-c D   |            | [[id:5CCB676B-9FF0-47B4-8AF2-10FD3899A646][Show flymake diagnostics]]     | prog    |
  | C-c h   |            | [[id:6D1A8B35-3093-4DA6-A5AA-2A0D45112BAB][Consult shell history]]        |         |
  | C-c i   |            | [[id:5CCB676B-9FF0-47B4-8AF2-10FD3899A646][Eglot find implementation]]    | prog    |
  | C-c l   |            | [[id:3B0BFCDC-DFD5-42A0-97D8-3B032B128AF7][Org store link]]               |         |
  | C-c n   |            | [[id:3B0BFCDC-DFD5-42A0-97D8-3B032B128AF7][Org Roam prefix]]              |         |
  | C-c r   |            | [[id:5CCB676B-9FF0-47B4-8AF2-10FD3899A646][Eglot rename]]                 | prog    |
  | C-c u   |            | [[id:5CCB676B-9FF0-47B4-8AF2-10FD3899A646][Cycle string inflection]]      | various |
  | C-c M-g |            | [[id:4F426E77-CE03-4BF8-8D1B-7791C7C02B28][Magit file dispatch]]          |         |

** Global Settings
These are just some general settings that apply everywhere. First, a few packages:

#+BEGIN_SRC nix
  {
    programs.emacs = {
      extraPackages = epkgs: with epkgs; [
        free-keys
      ];
    };

    programs.emacs.init.usePackage.emacs.enable = true;
  }
#+END_SRC

#+begin_src elisp
  (use-package emacs
    :bind (:map minibuffer-local-map
                ("M-s" . consult-history)
                ("M-r" . consult-history)))
#+end_src

Turn off some default settings that I don't find useful.

#+BEGIN_SRC elisp
  (setopt save-interprogram-paste-before-kill t)
  (setopt enable-recursive-minibuffers t)
  (setopt line-spacing 0.15)

  (setopt mouse-wheel-tilt-scroll t)
  (setq-default truncate-lines t)

  (setopt tab-bar-show nil)
#+END_SRC

Don't show the welcome screen, and keep the scratch buffer empty by default. These are not useful
after you've started emacs more than a few times.

#+begin_src elisp
  (setopt inhibit-startup-screen t)
  (setopt initial-scratch-message nil)
#+end_src

Turn off all the ugly graphical crap.

#+begin_src elisp
  (menu-bar-mode -1)
  (scroll-bar-mode -1)
  (tool-bar-mode -1)
#+end_src

I don't find emacs's backup files useful, and they seem to litter my directories. I could maybe see
a use if I wasn't using git. But, git is so easy to use, that I pretty much use it everywhere. I
don't need a poor man's local history.

Also, why do I have to set so many variables just to get emacs to stop putting extra files
everywhere?

#+begin_src nix
  {
    programs.emacs.init.usePackage.emacs.custom = {
      make-backup-files = false;
      create-lockfiles = false;
      auto-save-default = false;
    };
  }
#+end_src

Turn on ~view-mode~ automatically when the buffer is read-only. This just helps out with navigation
a bit. I almost want to open files read-only by default, just so I can use ~view-mode~ (maybe with
some other keybindings) all the time. But, I think one more invisible flag to manage is a bit much.

#+begin_src nix
  {
    programs.emacs.init.usePackage.emacs.custom.view-read-only = true;
  }
#+end_src

I don't really do anything with sentences. But, I also never put two spaces after a period. So, at
least this setting is correct.

#+begin_src nix
  {
    programs.emacs.init.usePackage.emacs.custom.sentence-end-double-space = false;
  }
#+end_src

I kill whole lines *way* more than partial lines. If the cursor is at the front of a line, this will
just kill the whole line instead of requiring two ~C-k C-k~ presses to make it happen. I'm not sure
when I'd ever want it to kill the line *without* the trailing newline, but I guess the one time ever
that I do, I'll have to press two more keys :(

#+begin_src nix
  {
    programs.emacs.init.usePackage.emacs.custom.kill-whole-line = true;
  }
#+end_src

Show column numbers in the modeline. Now that I think about it, I'm not sure why I want this. I
guess I could try turning it off someday?

#+begin_src nix
  {
    programs.emacs.init.usePackage.emacs.custom.column-number-mode = true;
  }
#+end_src

Make sure which-key mode is always on. The on-the-fly keymap help it gives is indespensable.

#+BEGIN_SRC nix
  {
    programs.emacs.init.usePackage.which-key = {
      enable = true;
      hook = ["after-init"];
    };
  }
#+END_SRC

Automatically refresh ~dired~ buffers when switching to them, instead of requiring an explicit
refresh.

#+BEGIN_SRC nix
  {
    programs.emacs.init.usePackage.dired = {
      enable = true;
      custom.dired-auto-revert-buffer = true;
    };
  }
#+END_SRC

Similarly, highlighting the line the cursor is on is really useful for figuring out where you are,
especially on monitors with a lot of vertical space.

#+BEGIN_SRC nix
  {
    programs.emacs.init.usePackage.hl-line = {
      enable = true;
      hook = ["(after-init . global-hl-line-mode)"];
    };
  }
#+END_SRC

From the docs: "If ‘complete’, TAB first tries to indent the current line, and if the line was
already indented, then try to complete the thing at point." Recommended by [[https://github.com/minad/corfu][the ~corfu~ readme]].

#+BEGIN_SRC nix
  {
    programs.emacs.init.usePackage.emacs.custom.tab-always-indent = "'complete";
  }
#+END_SRC

Set the cursor to be a bar. I'm not sure what the benefit would be of a block cursor, since the
current character isn't really "selected" like it would be in Helix. I switch this to a box when in
god mode / read-only buffers, like vim would.

#+BEGIN_SRC nix
  {
    programs.emacs.init.usePackage.emacs.config = ''
      (setq-default cursor-type 'bar)
    '';
  }
#+END_SRC

Repeat-mode takes care of eliminating some annoying duplicate keypresses. I mostly use repeat-mode
for two-character commands that need to be repeated; ~devil~ also has some single-key-with-modifier
repeats set up that only apply in that mode.

#+BEGIN_SRC nix
  {
    programs.emacs.init.usePackage.repeat = {
      enable = true;
      hook = ["after-init"];
    };
  }
#+END_SRC

  Save the minibuffer history to disk, so recently-used options show up at the top of the picker
  across restarts.

#+BEGIN_SRC nix
  {
    programs.emacs.init.usePackage.savehist = {
      enable = true;
      hook = ["after-init"];
    };
  }
#+END_SRC

Let's unbind some builtin keys that I don't use. I'm not sure if I'll replace them with anything or not, but at a minimum it'll avoid accidental keypresses and clean up which-key output.

#+begin_src elisp :tangle no
  (require 'bind-key)
  (unbind-key "C-x RET")
  (unbind-key "C-x #")
  (unbind-key "C-x 5")
  (unbind-key "C-x 6")
  (unbind-key "C-x \\")
  (unbind-key "C-x `")
  (unbind-key "C-x m")
  (unbind-key "C-x l")
  (unbind-key "C-x i")
  (unbind-key "C-x u")
  (unbind-key "C-x @")
  (unbind-key "C-x C-b")
  (unbind-key "C-x C-d")
  (unbind-key "C-x C-l")
  (unbind-key "C-x C-p")
  (unbind-key "C-x C-u")
  (unbind-key "C-x C-z")
#+end_src

The doom modeline looks nice. I'm turning off IRC notifications, because it was slow to update (and
it would update after every command, slowing down everything). I don't need the workspace name when
I have the tab bar at the top of the window. The other settings just clear up some space, and make
things look at little nicer.

#+BEGIN_SRC nix
  {
    programs.emacs.init.usePackage.doom-modeline = {
      enable = true;
      hook = ["after-init"];
      custom = {
        doom-modeline-irc = false;
        doom-modeline-workspace-name = false;
        doom-modeline-buffer-encoding = false;
        doom-modeline-buffer-file-name-style = "'relative-to-project";
      };
      config = ''
        (doom-modeline-remove-segment 'vcs 'main)
      '';
    };
  }
#+END_SRC

Ligature mode combines character sequences like <= into a single on-screen glyph. It looks kind of
cool, so I'm turning it on in prog mode. The enabled ligatures are font-specific, taken from [[https://github.com/mickeynp/ligature.el/wiki#jetbrains-mono][the
ligature wiki]].

#+BEGIN_SRC nix :noweb no
  {
    programs.emacs.init.usePackage.ligature = {
      enable = true;
      hook = ["(after-init . global-ligature-mode)"];
      config = ''
        (ligature-set-ligatures 'prog-mode 
                                '("--" "---" "==" "===" "!=" "!==" "=!="
                                  "=:=" "=/=" "<=" ">=" "&&" "&&&" "&=" "++" "+++" "***" ";;" "!!"
                                  "??" "???" "?:" "?." "?=" "<:" ":<" ":>" ">:" "<:<" "<>" "<<<" ">>>"
                                  "<<" ">>" "||" "-|" "_|_" "|-" "||-" "|=" "||=" "##" "###" "####"
                                  "#{" "#[" "]#" "#(" "#?" "#_" "#_(" "#:" "#!" "#=" "^=" "<$>" "<$"
                                  "$>" "<+>" "<+" "+>" "<*>" "<*" "*>" "</" "</>" "/>" "<!--" "<#--"
                                  "-->" "->" "->>" "<<-" "<-" "<=<" "=<<" "<<=" "<==" "<=>" "<==>"
                                  "==>" "=>" "=>>" ">=>" ">>=" ">>-" ">-" "-<" "-<<" ">->" "<-<" "<-|"
                                  "<=|" "|=>" "|->" "<->" "<~~" "<~" "<~>" "~~" "~~>" "~>" "~-" "-~"
                                  "~@" "[||]" "|]" "[|" "|}" "{|" "[<" ">]" "|>" "<|" "||>" "<||"
                                  "|||>" "<|||" "<|>" "..." ".." ".=" "..<" ".?" "::" ":::" ":=" "::="
                                  ":?" ":?>" "//" "///" "/*" "*/" "/=" "//=" "/==" "@_" "__" "???"
                                  "<:<" ";;;"))
      '';
    };
  }
#+END_SRC

Use variable-width fonts in text buffers. ~mixed-pitch-mode~ keeps most code blocks as monospace.

#+BEGIN_SRC nix
  {
    programs.emacs.init.usePackage.mixed-pitch = {
      enable = true;
      command = ["mixed-pitch-mode"];
      hook = ["text-mode"];
      init = ''
        (defun no-mixed-pitch ()
          (mixed-pitch-mode -1))

        (add-hook 'yaml-ts-mode-hook 'no-mixed-pitch)
        (add-hook 'mhtml-mode 'no-mixed-pitch)
        (add-hook 'nxml-mode 'no-mixed-pitch)
      '';
    };
  }
#+END_SRC

A basic ace-window setup. Allows switching between windows quickly (although avy can do the same...).

#+BEGIN_SRC nix
  {
    programs.emacs.init.usePackage.ace-window = {
      enable = true;
      bind = {
        "M-o" = "ace-window";
        "s-o" = "ace-window";
        "C-c o" = "ace-window";
      };
      custom = {
        aw-keys = "'(?a ?s ?d ?f ?g ?h ?j ?k ?l)";
        aw-dispatch-always = true;
      };
    };
  }
#+END_SRC

Set up a few project- / workspace-related key bindings.

#+BEGIN_SRC nix
  {
    programs.emacs.init.usePackage = {
      project = {
        enable = true;
        bind = {
          "s-f" = "project-find-file";
          "s-F" = "project-switch-project";
        };
      };

      tab-bar = {
        enable = true;
        hook = ["after-init"];
        bindLocal.tab-bar-mode-map."s-s" = "tab-bar-switch-to-tab";
      };
    };
  }
#+END_SRC

All the beeping is annoying. This flashes a huge icon over the screen, which is still annoying, but
less so?

#+BEGIN_SRC nix
  {
    programs.emacs.init.usePackage.emacs.custom.visible-bell = true;
  }
#+END_SRC

I use tabs to manage multiple "workspaces". I don't tie a project to a tab or anything; often fixing
a single bug might involve pulling in files from multiple projects. Rather, I open a file per bug /
fix / issue, and leave it open until I'm done with that issue.

~tab-bar-history-mode~ allows quickly rolling back window changes; it can be used to undo a context
change when drilling into a help page or something. I've set up repeat mode to make it easier to
move backward / forward through history.

#+BEGIN_SRC nix
  {
    programs.emacs.init.usePackage.tab-bar = {
      enable = true;
      hook = ["(after-init . tab-bar-history-mode)"];
      config = ''
        (bind-keys :repeat-map tab-bar-repeat-map
                   ("<left>" . tab-bar-history-back)
                   ("<right>" . tab-bar-history-forward))
      '';
    };
  }
#+END_SRC

Make compilation mode buffers auto-scroll to the first error:

#+BEGIN_SRC nix
  {
    programs.emacs.init.usePackage.compile.enable = true;
    programs.emacs.init.usePackage.compile.custom.compilation-scroll-output = true;
  }
#+END_SRC

#+begin_src nix
  {
    programs.emacs.init.usePackage.register = {
      enable = true;
      defer = true;
      custom.register-preview-delay = 0.5;
      config = ''
        (advice-add 'register-preview :override #'consult-register-window)
      '';      
    };
  }
#+end_src

*** Window Placement
This section contains rules about where ~display-buffer~ should place windows. I guess I'm currently
going for an IDE-style layout, with one main editor window, and auxiliary bottom and right side
windows. I place windows in the bottom or on the right mostly depending on how wide I expect their
content to be.

#+begin_src nix
  {
    programs.emacs.init.usePackage = {
      window = {
        enable = true;
        custom = {
          split-width-threshold = 200;
          split-height-threshold = false;
          display-buffer-base-action = '''((display-buffer-reuse-window
             display-buffer-reuse-mode-window
             display-buffer-use-some-window))'';
          window-persistent-parameters = '''(cl-list* '(no-delete-other-windows . writable)
                    '(no-other-window . writable)
                    window-persistent-parameters)'';
        };
        init = ''
          <<emacs-window-init>>
        '';
        config = ''
          <<emacs-window-config>>
        '';
      };

      popper = {
        enable = true;
        hook = ["after-init" "(after-init . popper-echo-mode)"];
        bind = {
          "C-q" = "popper-toggle";
          "C-;" = "popper-cycle";
        };
        custom = {
          popper-display-control = false;
          popper-reference-buffers = ''(append jf/bottom-popups jf/right-popups)'';
        };
      };
    };
  }
#+end_src

#+begin_src elisp :tangle no :noweb-ref emacs-window-init
  (defvar jf/bottom-popups
    '("\\*Flymake diagnostics .*"
      "\\*Embark Export: .*"
      "\\*Embark Collect .*"
      "\\*xref\\*"
      "\\*compilation\\*"
      "\\*pnpm:.*"
      "\\*sly-mrepl *"
      "\\*lispy-message\\*"
      "\\*occur\\*"
      ".*eshell\\*"
      "\\*SQL: .*"))

  (defvar jf/right-popups
    '("magit: *"
      "magit-log*"
      "\\*Messages\\*"
      "\\*trace-output\\*"
      "\\*EGLOT connections\\*"
      "magit-revision: .*"
      "\\*Help\\*"
      "\\*rustfmt\\*"
      "\\*slack: .*"
      "\\*forge: .*"
      "new-pullreq"
      "\\*claude:.*"
      "\\*Man .*"
      "\\*List .*"
      "\\*eldoc\\*"))
#+end_src

#+BEGIN_SRC elisp :tangle no :noweb-ref emacs-window-init
  (defun jf/window-children (window)
    (let ((result nil)
          (child (window-child window)))
      (while child
        (push child result)
        (setq child (window-next-sibling child)))
      (reverse result)))

  (defun jf/window-main-root (&optional frame)
    "Return FRAME's main (non-side) window or window subtree."
    (let* ((root (frame-root-window (or frame (selected-frame))))
           (children (jf/window-children root)))
      (if (seq-some (lambda (w) (window-parameter w 'window-side)) children)
          (seq-find (lambda (w) (not (window-parameter w 'window-side))) children)
        root)))

  (defun jf/window-leaves (window)
    "Return the live leaf windows in WINDOW's subtree."
    (if (window-live-p window)
        (list window)
      (mapcan #'jf/window-leaves (jf/window-children window))))

  (defun jf/topright-window (windows)
    "Return whichever of WINDOWS sits furthest up, then furthest right."
    (car (sort (copy-sequence windows)
               (lambda (a b)
                 (let ((top-a (nth 1 (window-edges a)))
                       (top-b (nth 1 (window-edges b))))
                   (if (= top-a top-b)
                       (> (nth 0 (window-edges a)) (nth 0 (window-edges b)))
                     (< top-a top-b)))))))

  (defun jf/display-buffer-right (buffer alist)
    "Display BUFFER on the right of the main editing area.

  Applies three rules, based on the shape of the frame's non-side windows:
  1. One window -> split it and show BUFFER in the new right window.
  2. Two windows side-by-side -> show BUFFER in the right one. If the
     right window is selected, swap the two windows first (keeping
     focus on the buffer that was active) so BUFFER doesn't evict it.
  3. Any other layout -> show BUFFER in the upper-rightmost window."
    (let ((main (jf/window-main-root)))
      (cond
       ((window-live-p main)
        (let* ((new (split-window main nil 'right))
               (width (max 1 (- (frame-width) 120)))
               (delta (window-resizable new (- width (window-width new)) t)))
          (window-resize new delta t)
          (window--display-buffer buffer new 'window alist)))
       ((and (window-left-child main)
             (= (length (jf/window-children main)) 2)
             (seq-every-p #'window-live-p (jf/window-children main)))
        (let* ((left (window-left-child main))
               (right (window-next-sibling left)))
          (when (eq (selected-window) right)
            (window-swap-states left right)
            (select-window left))
          (window--display-buffer buffer right 'reuse alist)))
       (t
        (window--display-buffer buffer (jf/topright-window (jf/window-leaves main)) 'reuse alist)))))
#+END_SRC

#+begin_src elisp :tangle no :noweb-ref emacs-window-config
  (setq display-buffer-alist
        `(((or ,@jf/bottom-popups)
          (display-buffer-in-side-window)
          (side . bottom)
          (slot . 0)
          (window-height . 0.33))
         ((or ,@jf/right-popups)
          (display-buffer-reuse-window
           display-buffer-reuse-mode-window
           jf/display-buffer-right))))
#+end_src

*** Tramp
#+begin_src nix
  {
    programs.emacs.init.usePackage.tramp = {
      enable = true;
      package = (epkgs: epkgs.tramp.overrideAttrs {
        version = "2.8.2.3";
        src = pkgs.fetchurl {
          url = "https://elpa.gnu.org/packages/tramp-2.8.2.3.tar";
          sha256 = "sha256-8Rsn29+i7LDGDKFR1Q7HTml86MRmibN409D9QaGBci0=";
        };
      });
      config = ''
        <<emacs-tramp-config>>
      '';
    };
  }
#+end_src

#+begin_src elisp :noweb no :noweb-ref emacs-tramp-config
  (with-eval-after-load 'compile
      (remove-hook 'compilation-mode-hook
                   #'tramp-compile-disable-ssh-controlmaster-options))
#+end_src

** Editing
This configuration affects general text editing, across all modes.

I find Emacs to be almost unusable on a normal keyboard unless there's some way to avoid all the
modifier keys. I tried Evil mode first. But although I love Vim, it just seemed to be hiding too
much of the Emacs native functionality. The keybindings were also much harder to configure. I tried
God mode, which has the benefit of re-using the normal Emacs keybindings and commands. It was
annoying, though, because some read-only buffers (like magit buffers) have their own "normal-mode"
commands that don't use modifiers. It felt jarring to switch to "insert mode" to use those
keys. It's also hard to repeat sequences of M-f, M-b, etc. I could have made a ton of repeat maps,
but I'm worried that having too many repeat maps will also be annoying (I'll have to explicitly
cancel them more frequently). In the end, I opted for Devil mode. It avoids modifier keys, and has
its own devil-mode-only repeat maps that don't interfere when using normal modifier key sequences.

 #+BEGIN_SRC nix
   {
     programs.emacs.init.usePackage.god-mode = {
       enable = true;
       bind."<escape>" = "(lambda () (interactive) (god-mode-all 1))";
       bindLocal.god-local-mode-map = {
         i = "(lambda () (interactive) (god-mode-all -1))";
         z = "repeat";
       };
       init = ''
         (defun my-god-mode-update-cursor-type ()
           (setq cursor-type (cond
                              ((and (featurep 'org-present) org-present-mode) nil)
                              ((or (and (featurep 'god-mode) god-local-mode) buffer-read-only) 'box)
                              (t 'bar))))
         
         (add-hook 'post-command-hook 'my-god-mode-update-cursor-type)
       '';
       config = ''
         (with-eval-after-load 'which-key
           (which-key-enable-god-mode-support))
       '';
     };
   }
#+END_SRC

Avy allows jumping to any place on the screen with just a few keystrokes. I've stolen most of these
ideas from Karthinks' article [[https://karthinks.com/software/avy-can-do-anything/][Avy can do Anything]]. I need to find more uses for this, in line with
his article.

#+BEGIN_SRC nix
  {
    programs.emacs.init.usePackage = {
      avy = {
        enable = true;
        functions = ["avy-action-oneshot"];
        init = ''
          (defun avy-goto-char-timer-embark ()
            (interactive)
            (let ((avy-action-oneshot
                   (lambda (pt)
                     (goto-char pt)
                     (embark-act))))
              (avy-goto-char-timer)))
        '';
        bind = {
          "C-j" = "avy-goto-char-timer";
          "M-j" = "avy-goto-char-timer-embark";
        };
      };

      embark = {
        enable = true;
        bind."C-." = "embark-act";
      };

      lispy.bindLocal.lispy-mode-map."C-j" = "avy-goto-char-timer";
      org.bindLocal.org-mode-map."C-j" = "avy-goto-char-timer";
    };
  }
#+END_SRC

Just "silently" wrap when searching at the bottom of a document.

#+BEGIN_SRC nix
  {
    programs.emacs.init.usePackage.isearch = {
      enable = true;
      custom.isearch-wrap-pause = "'no-ding";
    };
  }
#+END_SRC

#+BEGIN_SRC nix
  {
    programs.emacs.init.usePackage.edit-indirect = {
      enable = true;
      bind."C-x 4 n" = "edit-indirect-region";
    };
  }
#+END_SRC

Some auto-formatting stuff

#+begin_src nix
  {
    programs.emacs.init.usePackage.apheleia = {
      enable = true;
      config = ''
        (push '(prisma-format "prisma" "format" "--schema" filepath) apheleia-formatters)
      '';
    };
  }
#+end_src

** Workflow
#+BEGIN_SRC nix
  {
    programs.emacs.init.usePackage.buffer-terminator = {
      enable = true;
      hook = ["after-init"];
    };
  }
#+END_SRC

** Language Support
#+BEGIN_SRC nix
  {
    programs.emacs = {
      extraPackages = epkgs: with epkgs; [
        (treesit-grammars.with-grammars (g: [
          g.tree-sitter-bash
          g.tree-sitter-commonlisp
          g.tree-sitter-css
          g.tree-sitter-dockerfile
          g.tree-sitter-dot
          g.tree-sitter-elisp
          g.tree-sitter-graphql
          g.tree-sitter-gitcommit
          g.tree-sitter-gitignore
          g.tree-sitter-haskell
          g.tree-sitter-html
          g.tree-sitter-java
          g.tree-sitter-javascript
          g.tree-sitter-jq
          g.tree-sitter-json
          g.tree-sitter-json5
          g.tree-sitter-just
          g.tree-sitter-ledger
          g.tree-sitter-llvm
          g.tree-sitter-make
          g.tree-sitter-nix
          g.tree-sitter-org
          g.tree-sitter-prisma
          g.tree-sitter-python
          g.tree-sitter-rust
          g.tree-sitter-rust-format-args
          g.tree-sitter-sql
          g.tree-sitter-toml
          g.tree-sitter-tsx
          g.tree-sitter-typescript
          g.tree-sitter-xml
          g.tree-sitter-yaml
        ]))
      ];
    };
  }
#+END_SRC

#+BEGIN_SRC nix
  {
    programs.emacs.init.usePackage = {
      electric-pair = {
        enable = true;
        hook = [ "after-init" ];
      };

      emacs = {
        config = ''
          (setq-default indent-tabs-mode nil)
          (setq-default tab-width 4)
        '';
      };

      ediff-wind = {
        enable = true;
        custom = {
          ediff-split-window-function = "'split-window-horizontally";
        };
      };
    };
  }
  #+END_SRC

Show a vertical bar 100 characters out; ideally I don't want lines longer than this. 100 characters
is about the max you can have and still fit two files side-by-side on the screen.

#+begin_src nix
  {
    programs.emacs.init.usePackage.emacs = {
      enable = true;
      config = ''(setq-default fill-column 120)'';
    };

    programs.emacs.init.usePackage.display-fill-column-indicator = {
      enable = true;
      hook = ["prog-mode"];
    };
  }
#+end_src

I had some weird problems with jsx code where the default M-q would just do a text fill rather than
a re-indent. The solution seems to be to only do the ~syntax-ppss~ stuff if tree-sitter isn't
available? It seems to work for now anyway...

#+begin_src nix
  {
    programs.emacs.init.usePackage.prog-mode = {
      enable = true;
      defer = true;
      config = ''
        <<emacs-prog-mode-config>>
      '';
    };
  }
#+end_src

#+begin_src elisp :tangle no :noweb-ref emacs-prog-mode-config
  (defun my-prog-fill-reindent-defun (&optional argument)
    "Refill or reindent the paragraph or defun that contains point.

  If the point is in a string or a comment, fill the paragraph that
  contains point or follows point.

  Otherwise, reindent the function definition that contains point
  or follows point."
    (interactive "P")
    (save-excursion
      (let ((treesit-text-node
             (and (treesit-available-p)
                  (treesit-parser-list)
                  (treesit-node-match-p
                   (treesit-node-at (point)) 'text t))))
        (if (or treesit-text-node
                (and (not (and (treesit-available-p) (treesit-parser-list))) (nth 8 (syntax-ppss)))
                (re-search-forward "\\s-*\\s<" (line-end-position) t))
            (fill-paragraph argument (region-active-p))
          (beginning-of-defun)
          (let ((start (point)))
            (end-of-defun)
            (indent-region start (point) nil))))))

  (advice-add 'prog-fill-reindent-defun :override #'my-prog-fill-reindent-defun)
#+end_src

#+begin_src nix
  {
    programs.emacs.init.usePackage.ansi-color = {
      enable = true;
      defer = true;
      hook = ["(compilation-filter . ansi-color-compilation-filter)"];
    };
  }
#+end_src

*** Flymake
#+begin_src nix
  {
    programs.emacs.init.usePackage.flymake = {
      enable = true;
      command = ["flymake-show-project-diagnostics" "flymake-goto-next-error" "flymake-goto-prev-error"];
      bindLocal.flymake-project-diagnostics-mode-map = {
        "q" = "quit-window";
      };
    };

    programs.emacs.init.usePackage.prog-mode = {
      enable = true;
      bindLocal.prog-mode-map = {
        "C-c D" = "flymake-show-project-diagnostics";
        "M-n" = "flymake-goto-next-error";
        "M-p" = "flymake-goto-prev-error";
      };
    };
  }
#+end_src

*** Eglot
#+begin_src nix
  {
    programs.emacs.init.usePackage.eglot.enable = true;
  }
#+end_src

I don't like UI elements that insert fake text into the file. They mess up the spacing in the file, and can make everything too wide.

#+begin_src nix
  {
    programs.emacs.init.usePackage.eglot = {
      custom = {
        eglot-ignored-server-capabilities = "'(:inlayHintProvider :semanticTokensProvider)";
        eglot-code-action-indications = false;
        eglot-events-buffer-config = "'(:size 300000 :format full)";
      };
      config = "(add-hook 'eglot-managed-mode-hook (lambda () (eglot-inlay-hints-mode -1)) nil t)";
    };
  }
#+end_src

Set up a few useful eglot keys.

#+begin_src nix
  {
    programs.emacs.init.usePackage.eglot.bindLocal.eglot-mode-map = {
      "C-c a" = "eglot-code-actions";
      "C-c r" = "eglot-rename";
      "C-c i" = "eglot-find-implementation";
    };
  }
#+end_src

Eglot's yasnippet support uses the tab key, but I *also* use the tab key both for indentation, and
for completion. That makes it really annoying to use; don't use yasnippet with eglot.

#+begin_src nix
  {
    programs.emacs.init.usePackage.eglot.config = "(add-to-list 'eglot-stay-out-of 'yasnippet)";
  }
#+end_src

*** Rust
#+begin_src nix
  {
    programs.emacs.init.usePackage.rust-mode = {
      enable = true;
      mode = ["\"\\\\.rs\\\\'\""];
      custom.rust-mode-treesitter-derive = true;
    };
  }
#+end_src

*** YAML
#+begin_src nix
  {
    programs.emacs.init.usePackage.yaml-pro = {
      enable = true;
      init = ''
        <<emacs-yaml-pro-init>>
      '';
      hook = ["yaml-ts-mode"];
    };
  }
#+end_src

#+BEGIN_SRC elisp :tangle no :noweb-ref emacs-yaml-pro-init
  (defun yaml-validate ()
    (interactive)
    (compile (concat "yamllint -d '{extends: default, rules: {indentation: {indent-sequences: false}, braces: {max-spaces-inside: 1}}}' " (buffer-file-name)) t))
#+END_SRC

*** Lisp
#+begin_src nix
  {
    programs.emacs.init.usePackage.inf-lisp = {
      enable = true;
      custom.inferior-lisp-program = "\"sbcl\"";
    };

    programs.emacs.init.usePackage.sly = {
      enable = true;
      command = ["sly"];
    };

    programs.emacs.init.usePackage.sly-macrostep = {
      enable = true;
      after = ["sly"];
    };

    programs.emacs.init.usePackage.lispy = {
      enable = true;
      package = (epkgs: with epkgs;
        lispy.overrideAttrs {
          packageRequires = [
            ace-window iedit swiper zoutline hydra
          ];
          ignoreCompilationError = true;
        });
      hook = ["emacs-lisp-mode-hook" "lisp-mode-hook" "lisp-data-mode-hook"];
      bindLocal.lispy-mode-map = {
        i = "(lambda ()
               (interactive)
               (if (and (featurep 'god-mode) god-global-mode)
                   (god-mode-all -1)
                 (special-lispy-tab)))";
      };
      custom.lispy-compat = "'(god-mode edebug)";
    };
  }
#+end_src

*** Typescript
#+BEGIN_SRC nix
  {
    programs.emacs.init.usePackage = {
      typescript-ts-mode = {
        enable = true;
        mode = ["\"\\\\.ts\\\\'\"" "(\"\\\\.tsx\\\\'\" . tsx-ts-mode)"];
        bindLocal = {
          typescript-ts-mode-map = {
            "C-c '" = "my/edit-indirect-tagged-template-at-point";
          };
          tsx-ts-mode-map = {
            "C-c '" = "my/edit-indirect-tagged-template-at-point";
          };
        };
        custom.typescript-ts-mode-indent-offset = 2;
        config = ''
          <<emacs-typescript-ts-mode-config>>
        '';
      };

      prisma-ts-mode = {
        enable = true;
        mode = ["\"\\\\.prisma\\\\'\""];
      };

      eglot = {
        config = ''(add-to-list 'eglot-server-programs '((prisma-ts-mode) "prisma-language-server" "--stdio"))'';
      };

      pnpm-mode = {
        enable = true;
        command = ["pnpm-mode-pnpm-run"];
      };

      graphql-ts-mode = {
        enable = true;
        command = ["graphql-ts-mode"];
      };

      jq-mode = {
        enable = true;
        mode = ["\"\\\\.jq\\\\'\""];
        interpreter = ["jq"];
      };
    };
  }
#+END_SRC

#+BEGIN_SRC elisp :tangle no :noweb-ref emacs-typescript-ts-mode-config
  (defun my-tsx-ts-mode--indent-compatibility-b893426 ()
    "Indent rules helper, to handle different releases of tree-sitter-tsx.
  Check if a node type is available, then return the right indent rules."
    ;; handle https://github.com/tree-sitter/tree-sitter-typescript/commit/b893426b82492e59388a326b824a346d829487e8
    (condition-case nil
        (progn (treesit-query-capture 'tsx '((jsx_fragment) @capture))
               `(((match "<" "jsx_fragment") parent 0)
                 ((parent-is "jsx_fragment") parent typescript-ts-mode-indent-offset)))
      (treesit-query-error
       `(((match "<" "jsx_text") parent 0)
         ((parent-is "jsx_text") grand-parent typescript-ts-mode-indent-offset)))))
  (advice-add 'tsx-ts-mode--indent-compatibility-b893426 :override #'my-tsx-ts-mode--indent-compatibility-b893426)

  (defvar my/edit-indirect-tag-modes
    '(("graphql" . graphql-ts-mode)
      ("gql" . graphql-ts-mode)
      ("sql" . sql-mode)
      ("css" . css-mode))
    "Map of tagged-template tag names to major modes.")

  (defun my/edit-indirect--node-bounds (node)
    "Return (BEG . END) for NODE's contents, excluding delimiters."
    (cons (1+ (treesit-node-start node))
          (1- (treesit-node-end node))))

  (defun my/edit-indirect-tagged-template-at-point ()
    (interactive)
    (let* ((node (treesit-node-at (point)))
           (tmpl-node (treesit-parent-until
                       node
                       (lambda (n) (equal (treesit-node-type n) "template_string"))))
           (str-node (unless tmpl-node
                       (treesit-parent-until
                        node
                        (lambda (n) (equal (treesit-node-type n) "string")))))
           (target-node (or tmpl-node str-node)))
      (unless target-node
        (user-error "Point is not inside a string or template literal"))
      (let* ((tagged-node (and tmpl-node (treesit-node-parent tmpl-node)))
             (tag-node (and tagged-node
                            (equal (treesit-node-type tagged-node) "call_expression")
                            (treesit-node-child-by-field-name tagged-node "function")))
             (tag-name (and tag-node (treesit-node-text tag-node t)))
             (mode (cond
                    (tag-name (or (cdr (assoc tag-name my/edit-indirect-tag-modes))
                                  major-mode))
                    (t 'text-mode)))
             (bounds (my/edit-indirect--node-bounds target-node))
             (buf (edit-indirect-region (car bounds) (cdr bounds) t)))
        (with-current-buffer buf
          (funcall mode)))))
#+END_SRC

*** Java
#+BEGIN_SRC nix
  {
    programs.emacs.init.usePackage = {
      java-ts-mode = {
        enable = true;
        init = ''(push '(java-mode . java-ts-mode) major-mode-remap-alist)'';
        config = ''
          <<emacs-java-ts-mode-config>>
        '';
      };
    };
  }
#+END_SRC

#+BEGIN_SRC elisp :tangle no :noweb-ref emacs-java-ts-mode-config
  (push `((n-p-gp nil "block" "lambda_expression") parent-bol java-ts-mode-indent-offset)
        (cdar java-ts-mode--indent-rules))
  (push `((n-p-gp "}" "block" "lambda_expression") parent-bol 0)
        (cdar java-ts-mode--indent-rules))

  (add-hook 'java-mode-hook (lambda () (c-set-offset 'arglist-intro '+)))

  (defvar jf/class-name-to-file-search-path (list "src/main/java" "src/test/java"))

  (defun jf/class-name-to-file (class-name)
    (let ((root (project-root (project-current t)))
          (fragment (format "%s.java" (replace-regexp-in-string "\\." "/" class-name)))
          (result))
      (dolist (p jf/class-name-to-file-search-path result)
        (unless result
          (let ((path (format "%s/%s" p fragment)))
            (when (file-exists-p (concat root path))
              (setq result path)))))))

  (defun jf/compile-class-to-file ()
    (jf/class-name-to-file (concat (match-string 1) (match-string 2))))

                                        ;(add-to-list 'compilation-error-regexp-alist-alist
                                        ;             '(java-stack-trace .
                                        ;                                ("^[[:space:]]*at \\(\\(?:[[:lower:]]+\\.\\)+\\)[^(]+(\\([[:alnum:]]+\\)\\.java:\\([[:digit:]]+\\))"
                                        ;                                 jf/compile-class-to-file 3)))
                                        ;(add-to-list 'compilation-error-regexp-alist 'java-stack-trace)
#+END_SRC

*** Nix
#+begin_src nix
  {
    programs.emacs.init.usePackage = {
      nix-mode = {
        enable = true;
        mode = ["\"\\\\.nix\\\\'\""];
      };
      
      nix-flake = {
        enable = true;
        init = ''
          (defun project-nix-flake ()
            (interactive)
            (nix-flake (project-root (project-current t))))
          (bind-keys ("C-x p n" . project-nix-flake))
        '';
        command = [ "nix-flake" ];
      };
    };
  }
#+end_src
xs
*** SQL
#+BEGIN_SRC nix
  {
    programs.emacs.init.usePackage.sql-indent = {
      enable = true;
      hook = ["(sql-mode . sqlind-minor-mode)"];
    };
  }
#+END_SRC

*** Haskell
#+BEGIN_SRC nix
  {
    programs.emacs.init.usePackage.haskell-ts-mode = {
      enable = true;
      mode = ["\"\\\\.hs\\\\'\""];
      custom.haskell-ts-use-indent = true;
    };
  }
#+END_SRC
*** Lua
#+BEGIN_SRC nix
  {
    programs.emacs.init.usePackage.lua-mode = {
      enable = true;
      mode = ["\"\\\\.lua\\\\'\""];
    };
  }
#+END_SRC

** Envrc
#+BEGIN_SRC nix
  {
    programs.emacs.init.usePackage.envrc = {
      enable = true;
      hook = ["(after-init . envrc-global-mode)"];
      custom.envrc-show-summary-in-minibuffer = false;
    };
  }
#+END_SRC

** Magit
#+BEGIN_SRC nix
  {
    programs.emacs.init.usePackage = {
      magit = {
        enable = true;
        bind = {
          "s-g" = "magit-status";
          "C-x g" = "magit-status";
          "C-c f" = "magit-status";
        };
        custom = {
          magit-save-repository-buffers = "'dontask";
          magit-commit-show-diff = false;
        };
        config = ''
          (set-face-attribute 'git-commit-summary nil :inherit nil)
          (defun magit-fetch-all-on-load ()
            (magit-run-git-async "fetch" "--all"))
          (add-hook 'magit-status-mode-hook 'magit-fetch-all-on-load)
          (remove-hook 'magit-status-headers-hook 'magit-insert-tags-header)
        '';
      };

      forge = {
        enable = true;
        after = ["magit"];
        config = ''
        (add-hook 'forge-edit-post-hook 'forge-create-pullreq-insert-single-commit-message)
        (setopt forge-status-buffer-default-topic-filters
                (forge--topics-spec :type 'topic :active nil :state 'open :order 'newest))
        '';
      };

      diff-hl = {
        enable = true;
        hook = [
          "(after-init . global-diff-hl-mode)"
          "(magit-post-refresh . diff-hl-magit-post-refresh)"
        ];
      };

      consult-gh = {
        enable = true;
        command = ["consult-gh"];
      };

      git-timemachine = {
        enable = true;
        command = ["git-timemachine"];
      };
    };
  }
#+END_SRC

** Vertico
#+BEGIN_SRC nix
  {
    programs.emacs.init.usePackage = {
      consult = {
        enable = true;
        bind = {
          "s-b" = "consult-project-buffer";
          "C-c h" = "consult-history";
          "C-x b" = "consult-buffer";
          "s-B" = "consult-buffer";
          "C-x 4 b" = "consult-buffer-other-window";
          "C-x 5 b" = "consult-buffer-other-frame";
          "C-x r b" = "consult-bookmark";
          "C-x p b" = "consult-project-buffer";
          "M-#" = "consult-register-load";
          "M-'" = "consult-register-store";
          "C-M-#" = "consult-register";
          "M-y" = "consult-yank-pop";
          "M-g e" = "consult-compile-error";
          "M-g f" = "consult-flymake";
          "M-g g" = "consult-goto-line";
          "M-g M-g" = "consult-goto-line";
          "M-g o" = "consult-org-heading";
          "M-g m" = "consult-mark";
          "M-g k" = "consult-global-mark";
          "M-g i" = "consult-imenu";
          "M-g I" = "consult-imenu-multi";
          "M-s r" = "consult-ripgrep";
          "M-s l" = "consult-line";
          "M-s L" = "consult-line-multi";
          "M-s e" = "consult-isearch-history";
        };
        custom = {
          consult-narrow-key = ''"<"'';
        };
        config = ''
          (consult-customize
           consult-theme :preview-key '(:debounce 0.2 any)
           consult-ripgrep consult-git-grep consult-grep consult-man
           consult-bookmark consult-recent-file consult-xref
           consult-source-bookmark consult-source-file-register
           consult-source-recent-file
           consult-source-buffer
           ;; :preview-key "M-."
           consult-source-project-recent-file
           :preview-key '(:debounce 0.4 any))
        '';
      };

      consult-eglot.enable = true;

      isearch = {
        enable = true;
        bindLocal.isearch-mode-map = {
          "M-e" = "consult-isearch-history";
          "M-s e" = "consult-isearch-history";
          "M-s l" = "consult-line";
          "M-s L" = "consult-line-multi";
        };
      };

      xref = {
        enable = true;
        defer = true;
        custom = {
          xref-show-xrefs-function = "'consult-xref";
          xref-show-definitions-function = "'consult-xref";
        };
      };
      
      embark-consult = {
        enable = true;
        defer = true;
      };

      orderless = {
        enable = true;
        defer = true;
      };
      
      vertico = {
        enable = true;
        hook = ["after-init"];
        custom = {
          vertico-count = 25;
        };
      };

      minibuffer = {
        enable = true;
        custom = {
          completion-styles = "'(orderless basic)";
        };
      };
      
      marginalia = {
        enable = true;
        hook = ["after-init"];
      };
      
      corfu = {
        enable = true;
        hook = ["(after-init . global-corfu-mode)"];
        custom = {
          corfu-cycle = true;
          corfu-popupinfo-mode = false;
          corfu-quit-at-boundary = false;
          corfu-on-exact-match = "'show";
        };
      };

      cape = {
        enable = true;
        defer = true;
        init = "(add-hook 'completion-at-point-functions 'cape-file)";
      };
    };
  }
#+END_SRC

** Org
#+BEGIN_SRC nix
  {
    programs.emacs.init.usePackage = {
      org = {
        enable = true;
        bind = {
           "C-c A" = "org-agenda";
           "C-c C" = "org-capture";
           "C-c l" = "org-id-store-link";
        };
        custom = {
          org-babel-load-languages = "'((emacs-lisp . t) (sql . t))";
          org-confirm-babel-evaluate = false;
          org-link-keep-stored-after-insertion = true;
          org-capture-templates = ''
            '(("t" "Todo" entry
              (here)
              "** TODO %?\n:LOGBOOK:\n- State \"TODO\" %U\n:END:\n")
             ("w" "Work stuff")
             ("wp" "Work Project" entry
              (file+headline "~/org/todo/work.org.age" "Next Actions")
              "*** PROJ %?\n- State \"PROJ\" %U\n")
             ("wa" "Work Next Action" entry
              (file+headline "~/org/todo/work.org.age" "Next Actions")
              "*** TODO %?\n- State \"TODO\" %U\n")
             ("p" "Personal stuff")
             ("pp" "Personal Project" entry
              (file+headline "~/org/todo/personal.org.age" "Next Actions")
              "*** PROJ %?\n- State \"PROJ\" %U\n")
             ("pa" "Personal Next Action" entry
              (file+headline "~/org/todo/personal.org.age" "Next Actions")
              "*** TODO %?\n- State \"TODO\" %U\n"))
          '';
          org-agenda-files = '''("~/org/todo/work.org" "~/org/todo/personal.org.age")'';
          org-agenda-todo-ignore-scheduled = "'future";
          org-agenda-tags-todo-honor-ignore-options = true;
          org-enforce-todo-dependencies = true;
          org-agenda-dim-blocked-tasks = "'invisible";
        };
        config = ''
          (set-face-attribute 'org-level-1 nil :font "Iosevka Aile")
          (set-face-attribute 'org-level-2 nil :font "Iosevka Aile")
          (set-face-attribute 'org-level-3 nil :font "Iosevka Aile")
          (set-face-attribute 'org-level-4 nil :font "Iosevka Aile")
          (set-face-attribute 'org-level-5 nil :font "Iosevka Aile")
          (set-face-attribute 'org-level-6 nil :font "Iosevka Aile")
          (set-face-attribute 'org-level-7 nil :font "Iosevka Aile")
          (set-face-attribute 'org-level-8 nil :font "Iosevka Aile")
        '';
      };

      emacs = {
        hook = ["(org-mode . visual-line-mode)"];
      };
      
      org-modern = {
        enable = true;
        hook = ["org-mode"];
      };

      org-roam = {
        enable = true;
        defer = true;
      };

      verb = {
        enable = true;
        defer = true;
      };

      visual-fill-column = {
        enable = true;
        defer = true;
      };
    };
  }
#+END_SRC

#+BEGIN_SRC elisp :tangle nil :noweb nil
  ;; (require 'org-roam)
  ;; (bind-keys ("C-c n l" . org-roam-buffer-toggle)
  ;;            ("C-c n f" . org-roam-node-find)
  ;;            ("C-c n g" . org-roam-graph)
  ;;            ("C-c n i" . org-roam-node-insert)
  ;;            ("C-c n c" . org-roam-capture))

  ;; (setq org-roam-node-display-template (concat "${title:*} " (propertize "${tags:10}" 'face 'org-tag)))
  ;; (org-roam-db-autosync-mode)

  ;; (define-key org-mode-map (kbd "C-c C-r") verb-command-map)
#+END_SRC

*** Presentations
:PROPERTIES:
:header-args:elisp: :tangle no :noweb-ref emacs-org-present-config
:END:

~org-present~ is a cool little package. It lets you give presentations with org mode. Each top-level heading turns into
a slide. When you switch to present mode, ~org-present~ removes all other windows, narrows the buffer to only one
top-level heading at a time, and exposes keys to quickly navigate forward / backward between slides. It also exposes
entry / exit hooks. Those hooks allow you to add custom styling to present mode. For example, you could make all the
text bigger.

#+begin_src nix
  {
    programs.emacs.init.usePackage.org-present = {
      enable = true;
      command = ["org-present"];
      init = ''
        <<emacs-org-present-init>>
      '';
      config = ''
        <<emacs-org-present-config>>
      '';
    };
  }
#+end_src

Let's customize the window appearance when presenting. First, we'll make fonts larger, by multiplying them by a constant
factor. We'll use ~face-remap~ for that. When ~face-remap~ changes a face, it returns a "cookie" that can be used to
restore the face to its old size. We'll store those cookies in a buffer-local variable.

When we enter present mode, we'll enlarge the fonts.

#+begin_src elisp :noweb-ref emacs-org-present-init
  (defvar-local my/org-present-face-remapping-cookies nil)
#+end_src

#+begin_src elisp
  (add-hook 'org-present-mode-hook
            (lambda ()
              (require 'face-remap)
              (setq-local my/org-present-face-remapping-cookies nil)
              (dolist (face '((default :height 2.0)
                              (header-line :height 4.0 :background "#303446")
                              (org-document-title :height 1.75)
                              (org-code :height 2.0)
                              (org-verbatim :height 2.0)
                              (org-block :height 1.25)
                              (org-block-begin-line :height 0.7)
                              (org-level-1 :height 3.0)
                              (org-level-2 :height 3.0)
                              (org-level-3 :height 3.0)
                              (org-level-4 :height 3.0)
                              (org-level-5 :height 3.0)
                              (org-level-6 :height 3.0)
                              (org-level-7 :height 3.0)
                              (org-level-8 :height 3.0)))
                (push (apply #'face-remap-add-relative face) my/org-present-face-remapping-cookies))))
  (add-hook 'org-present-mode-quit-hook
            (lambda ()
              (dolist (cookie my/org-present-face-remapping-cookies)
                (face-remap-remove-relative cookie))))
#+end_src

Let's add some empty space at the top as a margin. This is kind of a hack, but :shrug:.

#+begin_src elisp
  (add-hook 'org-present-mode-hook
            (lambda () (setq header-line-format " ")))
  (add-hook 'org-present-mode-quit-hook
            (lambda () (setq header-line-format nil)))
#+end_src

To make this look more like a "real" presentation, we want to center the text in the window. We'll use
~visual-fill-column~ to do that. It does two things:

1. Causes text to wrap, like ~visual-line-mode~, but it wraps at the fill column instead of the edge of the window.
2. Centers the text block within the window (based on the fill column).

Let's set it up when we enter present mode:

#+begin_src elisp
  (add-hook 'org-present-mode-hook
            (lambda ()
              (visual-fill-column-mode 1)
              (setq visual-fill-column-center-text t)))
  (add-hook 'org-present-mode-quit-hook
            (lambda ()
              (visual-fill-column-mode 0)))
#+end_src

We want to display inline images, of course.

#+begin_src elisp
  (add-hook 'org-present-mode-hook
            (lambda ()
              (org-display-inline-images)))
  (add-hook 'org-present-mode-quit-hook
            (lambda ()
              (org-remove-inline-images)))
#+end_src

And finally, we want to hide the cursor when presenting.

#+begin_src elisp
  (add-hook 'org-present-mode-hook
            (lambda ()
              (org-present-hide-cursor)))
  (add-hook 'org-present-mode-quit-hook
            (lambda ()
              (org-present-show-cursor)))
#+end_src

** Terminal
#+BEGIN_SRC nix
  {
    programs.emacs.init.usePackage = {
      eat = {
        enable = true;
        command = ["eat"];
        hook = ["(eshell-load . eat-eshell-mode)"];
      };
    };
  }
#+END_SRC

** Ledger
#+BEGIN_SRC nix
  {
    programs.emacs.init.usePackage = {
      ledger-mode.enable = true;
    };
  }
#+END_SRC
* Theme
:PROPERTIES:
:header-args:nix: :noweb-ref nix-configs
:END:

I like Catppuccin Frappe as my theme. Let's use it in as many places as we can.

** Bat
#+BEGIN_SRC nix
  {
    programs.bat = {
      config.theme = "catppuccin-frappe";
      themes = {
        catppuccin-frappe = {
  	      src = pkgs.fetchFromGitHub {
  	        owner = "catppuccin";
  	        repo = "sublime-text"; # Bat uses sublime syntax for its themes
  	        rev = "3d8625d937d89869476e94bc100192aa220ce44a";
  	        sha256 = "3ABUsfJpb6RO6AiuuSL5gwDofJIwC5tlEMzBrlY9/s0=";
  	      };
  	      file = "Frappe.tmTheme";
        };
      };
    };
  }
#+END_SRC

** Helix
#+BEGIN_SRC nix
  {
    programs.helix.settings.theme = "catppuccin_frappe";
  }
#+END_SRC

** Tmux
#+BEGIN_SRC nix
  {
    programs.tmux.plugins = [
      {
        plugin = pkgs.tmuxPlugins.catppuccin;
        extraConfig = ''set -g @catppuccin_window_tabs_enabled on
  set -g @catppuccin_window_default_text "#W"
  set -g @catppuccin_window_current_text "#W"'';
      }
    ];
  }
#+END_SRC

** Lazygit
#+BEGIN_SRC nix
  {
    xdg = {
      enable = false
;
      # configFile."lazygit/config.yml" = {
      #   enable = true;
      #   source = pkgs.fetchFromGitHub
      #     {
      #       owner = "catppuccin";
      #       repo = "lazygit";
      #       rev = "b2ecb6d41b6f54a82104879573c538e8bdaeb0bf"; # Replace with the latest commit hash
      #       sha256 = "9BBmWRcjNaJE9T0RKVEJaSnkrbMom0CLYE8PzAT6yFw=";
      #     } + /themes/frappe.yml;
      # };
    };
  }
#+END_SRC

** Starship
#+BEGIN_SRC nix
  {
    programs.starship.settings = builtins.fromTOML (builtins.readFile
      (pkgs.fetchFromGitHub
        {
          owner = "catppuccin";
          repo = "starship";
          rev = "3e3e54410c3189053f4da7a7043261361a1ed1bc"; # Replace with the latest commit hash
          sha256 = "soEBVlq3ULeiZFAdQYMRFuswIIhI9bclIU8WXjxd7oY=";
        } + /palettes/frappe.toml));
  }
#+END_SRC

** Wezterm
:PROPERTIES:
:header-args:lua: :noweb-ref wezterm-config
:END:

#+BEGIN_SRC lua
  config.color_scheme = 'Catppuccin Frappe'
#+END_SRC

** Ghostty
#+BEGIN_SRC nix
  {
    programs.ghostty.settings.theme = "Catppuccin Frappe";
  }
#+END_SRC

** Emacs
#+BEGIN_SRC nix
  {
    programs.emacs = {
      extraPackages = epkgs: with epkgs; [
        catppuccin-theme
      ];
      extraConfig = ''(defvar my-base-font-size ${if pkgs.stdenv.isDarwin then "130" else "100"})
    (require 'catppuccin-theme)
    (setopt catppuccin-flavor 'frappe)
    (load-theme 'catppuccin :no-confirm)

    ;; (set-face-attribute 'default nil :font "JetBrainsMono Nerd Font" :height 130)
    ;; (set-face-attribute 'fixed-pitch nil :font "JetBrainsMono Nerd Font" :height 130)
    (set-face-attribute 'default nil :font "Iosevka Term SS14" :height my-base-font-size)
    (set-face-attribute 'fixed-pitch nil :font "Iosevka Term SS14" :height my-base-font-size)
    (set-face-attribute 'variable-pitch nil :font "Iosevka Etoile" :height my-base-font-size)
  '';
    };
  }
#+END_SRC