John Ogle
4fe531f87f
Implement pre-built Doom Emacs packages for the live USB image, eliminating the need to run `doom sync` after first boot. Changes: - Add nix-doom-emacs-unstraightened flake input - Add homeModule to all three module sets (nixos, unstable, darwin) - Add `prebuiltDoom` option to emacs role (default: false) - Enable prebuiltDoom for live-usb configuration - Pin custom packages in packages.el for deterministic builds: - claude-code-ide, gptel-tool-library, beads When prebuiltDoom=true, all Doom packages are compiled at nix build time using emacs-overlay. The doom configuration is stored in the nix store (read-only), and no `doom sync` is required at runtime. This is ideal for: - Live USB images - Immutable/reproducible systems - Offline deployments Closes: nixos-configs-1wd
113 lines
3.2 KiB
Nix
113 lines
3.2 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.home.roles.emacs;
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doomEmacs = pkgs.fetchFromGitHub {
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owner = "doomemacs";
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repo = "doomemacs";
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rev = "38d94da67dc84897a4318714dcc48494c016d8c4";
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sha256 = "sha256-Uc6qONH3jjUVDgW+pPBCGC7mh88ZY05u1y37fQrsxq0=";
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};
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# Shared emacs packages
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emacsPackages = epkgs: [
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epkgs.vterm
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epkgs.treesit-grammars.with-all-grammars
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];
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# Default emacs configuration with vterm support
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defaultEmacsPackage =
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if pkgs.stdenv.isDarwin
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then pkgs.emacs-macport.pkgs.withPackages emacsPackages
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else pkgs.emacs.pkgs.withPackages emacsPackages;
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# Path to doom config directory (relative to this file)
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doomConfigDir = ./doom;
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in
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{
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options.home.roles.emacs = {
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enable = mkEnableOption "Doom Emacs with vterm and tree-sitter support";
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prebuiltDoom = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Use nix-doom-emacs-unstraightened to pre-build all Doom packages at
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nix build time. This eliminates the need to run `doom sync` after
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first boot, making it ideal for live USB images or immutable systems.
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When enabled, the doom configuration is read-only (stored in nix store).
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'';
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};
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};
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config = mkIf cfg.enable (mkMerge [
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# Common configuration for both modes
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{
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home.packages = [
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pkgs.emacs-all-the-icons-fonts
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pkgs.fira-code
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pkgs.fontconfig
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pkgs.graphviz
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pkgs.isort
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pkgs.nerd-fonts.fira-code
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pkgs.nerd-fonts.droid-sans-mono
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pkgs.nil # nix lsp language server
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pkgs.nixfmt-rfc-style
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(pkgs.ripgrep.override {withPCRE2 = true;})
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pkgs.pipenv
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pkgs.poetry
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pkgs.python3
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];
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fonts.fontconfig.enable = true;
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}
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# Standard Doom Emacs mode (requires doom sync at runtime)
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(mkIf (!cfg.prebuiltDoom) {
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programs.emacs = {
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enable = true;
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package = defaultEmacsPackage;
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};
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# Mount emacs and tree-sitter grammars from nix store
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home.file = {
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"${config.xdg.configHome}/emacs".source = doomEmacs;
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};
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home.sessionPath = [
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"${config.xdg.configHome}/emacs/bin"
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];
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home.sessionVariables = {
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DOOMDIR = "${config.xdg.configHome}/doom";
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DOOMLOCALDIR = "${config.xdg.dataHome}/doom";
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};
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# TODO: Use mkOutOfStoreSymlink instead?
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home.activation.doomConfig = lib.hm.dag.entryAfter ["writeBoundary"] ''
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# Always remove and recreate the symlink to ensure it points to the source directory
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rm -rf "${config.xdg.configHome}/doom"
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ln -sf "${config.home.homeDirectory}/nixos-configs/home/roles/emacs/doom" "${config.xdg.configHome}/doom"
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'';
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})
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# Pre-built Doom Emacs mode (no doom sync needed - ideal for live USB)
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(mkIf cfg.prebuiltDoom {
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programs.doom-emacs = {
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enable = true;
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doomDir = doomConfigDir;
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doomLocalDir = "${config.xdg.dataHome}/doom";
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# Add extra packages that aren't part of Doom but needed for our config
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extraPackages = epkgs: [
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epkgs.vterm
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epkgs.treesit-grammars.with-all-grammars
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];
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};
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})
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]);
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}
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