trusted users + restructure folders
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home/modules/emacs.nix
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127
home/modules/emacs.nix
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# https://nixos.org/manual/nixos/stable/index.html#sec-writing-modules
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# This is a function with arguments
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{ config, lib, mylib, pkgs, ... }:
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# We add stuff from lib to our namespace (mkOption...)
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with lib;
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with mylib.modules;
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let
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# This is the current state of the option that this module defines
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# We use it to determine if the config should be changed below
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cfg = config.modules.emacs;
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in {
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imports = [ ];
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# Options is a vector of options this module defines
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# This module defines only the "emacs" option and suboptions "enable" and "doom"
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options.modules.emacs = {
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enable = mkEnableOpt "Emacs module";
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nativeComp = mkBoolOpt false "Use Emacs 28.x branch with native comp support";
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pgtkNativeComp = mkBoolOpt false "Use Emacs 29.x branch with native comp and pure gtk support";
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doom = {
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enable = mkEnableOpt "Doom Emacs framework";
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autoSync = mkBoolOpt false "Sync Doom Emacs on nixos-rebuild";
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autoUpgrade = mkBoolOpt false "Upgrade Doom Emacs on nixos-rebuild";
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};
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};
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# Config is the merged set of all module configurations
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# Here we define what happens to the config if the module is active (but only if the module is active)
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# Since this module is for HomeManager, config is not the system config
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# Attribute sets like config can be defined multiple times (every module defines a different config), on
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# building the config they are merged
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# Because config depends on itself recursively (through cfg) we use mkIf instead of the normal if...then...else,
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# as it delays the evaluation (the if is moved inside the assignments inside the set)
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# mkIf can only be used in the config section (like mkMerge, mkForce and co)
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config = mkIf cfg.enable {
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assertions = [
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(mkIf cfg.nativeComp {
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assertion = !cfg.pgtkNativeComp;
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message = "Can't enable both nativeComp and pgtkNativeComp!";
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})
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(mkIf cfg.pgtkNativeComp {
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assertion = !cfg.nativeComp;
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message = "Can't enable both nativeComp and pgtkNativeComp!";
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})
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];
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# What home packages should be enabled
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home.packages = with pkgs; builtins.concatLists [
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(optionals cfg.nativeComp [ ((emacsPackagesFor emacsNativeComp).emacsWithPackages (epkgs: [ epkgs.vterm ])) ])
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(optionals cfg.pgtkNativeComp [ ((emacsPackagesFor emacsPgtkNativeComp).emacsWithPackages (epkgs: [ epkgs.vterm ])) ])
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# TODO: Check what hlissner has enabled
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(optionals cfg.doom.enable [
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emacs-all-the-icons-fonts
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(ripgrep.override { withPCRE2 = true; })
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fd
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zstd
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sqlite # Org roam
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inkscape # Org latex preview
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graphviz # Org graphviz support
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gnuplot # Org gnuplot support
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pandoc # Org export formats
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maim
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bashInteractive # For keychain
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# withPackages expects a function that gets all the packages as argument and returns a list with the packages we want
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(python310.withPackages (ppkgs: [ ppkgs.pygments ])) # Latex minted
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# nixfmt # This belongs in specific flake.nix
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# shellcheck # This belongs in specific flake.nix
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# TODO: Use LaTeX module instead
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texlive.combined.scheme-medium
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])
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];
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home.sessionPath = mkIf cfg.doom.enable [ "${config.home.homeDirectory}/.emacs.d/bin" ];
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# Note: Don't do it this way as the config becomes immutable
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# We tell HomeManager where the config files belong
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# home.file.".config/doom" = {
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# # With onChange you even could rebuild doom emacs when rebuilding HomeManager but I don't want this to become too slow
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# recursive = true; # is a directory
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# source = ../../config/doom;
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# };
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home.activation = mkMerge [
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# The parantheses around mkIf are needed for precedence in this case
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(mkIf cfg.doom.enable {
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# If doom is enabled we want to clone the framework
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# The activation script is being run when home-manager rebuilds
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# Because we write to the filesystem, this script has to be run after HomeManager's writeBoundary
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installDoomEmacs = hm.dag.entryAfter [ "writeBoundary" ] ''
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if [ ! -d "${config.home.homeDirectory}/.emacs.d" ]; then
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git clone --depth=1 --single-branch "https://github.com/doomemacs/doomemacs" "${config.home.homeDirectory}/.emacs.d"
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fi
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'';
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# With this approach we keep the config mutable as it is not copied and linked from store
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linkDoomConfig = hm.dag.entryAfter [ "writeBoundary" "installDoomEmacs" ]
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(mkLink "${config.home.homeDirectory}/NixFlake/config/doom" "${config.home.homeDirectory}/.config/doom");
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})
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(mkElse cfg.doom.enable {
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unlinkDoomConfig = hm.dag.entryAfter [ "writeBoundary" "installDoomEmacs" ]
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(mkUnlink "${config.home.homeDirectory}/.config/doom");
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})
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(mkIf (cfg.doom.enable && cfg.doom.autoSync) {
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syncDoomEmacs = hm.dag.entryAfter [ "writeBoundary" "linkDoomConfig" ] ''
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${config.home.homeDirectory}/.emacs.d/bin/doom sync
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'';
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})
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(mkIf (cfg.doom.enable && cfg.doom.autoUpgrade) {
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upgradeDoomEmacs = hm.dag.entryAfter [ "writeBoundary" "linkDoomConfig" ] ''
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${config.home.homeDirectory}/.emacs.d/bin/doom upgrade -!
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'';
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})
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];
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};
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}
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