Reorganize repository

2021-07-10 09:03:38 +02:00 · 2021-07-10 09:03:38 +02:00 · 0fc6c32a47
commit 0fc6c32a47
parent da1824edb6
124 changed files with 16295 additions and 1229 deletions
--- a/modules/base/nix/default.nix
+++ b/modules/base/nix/default.nix
@ -0,0 +1,113 @@
+{ config, lib, pkgs, ... }:
+let
+  baseDirenv = {
+    programs.direnv = {
+      enable = true;
+      enableZshIntegration = true;
+      nix-direnv = {
+        enable = true;
+        enableFlakes = true;
+      };
+    };
+  };
+  baseNixIndex = {
+    home.packages = with pkgs; [ nix-index ];
+    programs.zsh.initExtra = ''
+      source ${pkgs.nix-index}/etc/profile.d/command-not-found.sh
+    '';
+    systemd.user = {
+      services.nix-index = {
+        Unit = {
+          Description = "Service to run nix-index";
+        };
+        Service = {
+          Type = "oneshot";
+          ExecStart = "${pkgs.nix-index}/bin/nix-index";
+        };
+      };
+      timers.nix-index = {
+        Unit = {
+          Description = "Timer that starts nix-index every two hours";
+          PartOf = [ "nix-index.service" ];
+        };
+        Timer = {
+          OnCalendar = "00/2:30";
+        };
+        Install = {
+          WantedBy = [ "default.target" ];
+        };
+      };
+    };
+  };
+in
+{
+  options.chvp.base.nix = {
+    enableDirenv = lib.mkOption {
+      default = true;
+      example = false;
+    };
+    unfreePackages = lib.mkOption {
+      default = [ ];
+      example = [ "teams" ];
+    };
+    # Note that this is only enabled for charlotte, until https://github.com/bennofs/nix-index/issues/143 is resolved.
+    enableNixIndex = lib.mkOption {
+      default = true;
+      example = false;
+    };
+  };
+
+  config = {
+    chvp.base = {
+      emacs.extraConfig = [
+        ''
+          ;; Nix syntax support
+          (use-package nix-mode :mode "\\.nix\\'")
+        ''
+      ] ++ lib.optional config.chvp.base.nix.enableDirenv ''
+        ;; Direnv integration in emacs.
+        (use-package direnv :config (direnv-mode))
+      '';
+      zfs = {
+        homeLinks =
+          (lib.optional config.chvp.base.nix.enableDirenv { path = ".local/share/direnv"; type = "cache"; }) ++
+          (lib.optional config.chvp.base.nix.enableNixIndex { path = ".cache/nix-index"; type = "cache"; });
+        systemLinks =
+          (lib.optional config.chvp.base.nix.enableDirenv { path = "/root/.local/share/direnv"; type = "cache"; });
+      };
+    };
+
+    nix = {
+      gc = {
+        automatic = true;
+        dates = "hourly";
+        options = "--delete-older-than 7d";
+      };
+      optimise = {
+        automatic = true;
+        dates = [ "hourly" ];
+      };
+      trustedUsers = [ "@wheel" ];
+      extraOptions = ''
+        substituters = https://cache.nixos.org https://nix-community.cachix.org
+        trusted-public-keys = cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs=
+      '' + (lib.optionalString config.chvp.base.nix.enableDirenv ''
+        keep-outputs = true
+        keep-derivations = true
+      '');
+    };
+
+    nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) config.chvp.base.nix.unfreePackages;
+    nixpkgs.overlays = [
+      (self: super: {
+        nix = super.nixUnstable;
+      })
+    ];
+
+    home-manager.users.charlotte = { ... }:
+      lib.recursiveUpdate
+        (lib.optionalAttrs config.chvp.base.nix.enableDirenv baseDirenv)
+        (lib.optionalAttrs config.chvp.base.nix.enableNixIndex baseNixIndex);
+    home-manager.users.root = { ... }: lib.optionalAttrs config.chvp.base.nix.enableDirenv baseDirenv;
+  };
+}