From 133fa31b2662d3d43db31df67196ecd7d33bdcf2 Mon Sep 17 00:00:00 2001
From: Charlie Root <charlie@charlieroot.dev>
Date: Tue, 29 Oct 2024 17:27:04 +0100
Subject: [PATCH] nix/module.nix: switch to lix module from nixpkgs

Avoid builing lix every update this way.
---
 flake.lock                    | 90 +++++++++++++++++++++++++++++++++--
 flake.nix                     |  6 +++
 modules/system/nix/module.nix |  2 +
 3 files changed, 95 insertions(+), 3 deletions(-)

diff --git a/flake.lock b/flake.lock
index de0e2f8..047ef5f 100644
--- a/flake.lock
+++ b/flake.lock
@@ -269,6 +269,39 @@
         "type": "github"
       }
     },
+    "flake-utils_4": {
+      "inputs": {
+        "systems": "systems_5"
+      },
+      "locked": {
+        "lastModified": 1710146030,
+        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "flakey-profile": {
+      "locked": {
+        "lastModified": 1712898590,
+        "narHash": "sha256-FhGIEU93VHAChKEXx905TSiPZKga69bWl1VB37FK//I=",
+        "owner": "lf-",
+        "repo": "flakey-profile",
+        "rev": "243c903fd8eadc0f63d205665a92d4df91d42d9d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "lf-",
+        "repo": "flakey-profile",
+        "type": "github"
+      }
+    },
     "gitignore": {
       "inputs": {
         "nixpkgs": [
@@ -605,6 +638,41 @@
         "type": "github"
       }
     },
+    "lix": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1723503926,
+        "narHash": "sha256-Rosl9iA9MybF5Bud4BTAQ9adbY81aGmPfV8dDBGl34s=",
+        "rev": "bcaeb6388b8916ac6d1736e3aa2b13313e6a6bd2",
+        "type": "tarball",
+        "url": "https://git.lix.systems/api/v1/repos/lix-project/lix/archive/bcaeb6388b8916ac6d1736e3aa2b13313e6a6bd2.tar.gz?rev=bcaeb6388b8916ac6d1736e3aa2b13313e6a6bd2"
+      },
+      "original": {
+        "type": "tarball",
+        "url": "https://git.lix.systems/lix-project/lix/archive/2.91.0.tar.gz"
+      }
+    },
+    "lix-module": {
+      "inputs": {
+        "flake-utils": "flake-utils_3",
+        "flakey-profile": "flakey-profile",
+        "lix": "lix",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1723510904,
+        "narHash": "sha256-zNW/rqNJwhq2lYmQf19wJerRuNimjhxHKmzrWWFJYts=",
+        "rev": "622a2253a071a1fb97a4d3c8103a91114acc1140",
+        "type": "tarball",
+        "url": "https://git.lix.systems/api/v1/repos/lix-project/nixos-module/archive/622a2253a071a1fb97a4d3c8103a91114acc1140.tar.gz?rev=622a2253a071a1fb97a4d3c8103a91114acc1140"
+      },
+      "original": {
+        "type": "tarball",
+        "url": "https://git.lix.systems/lix-project/nixos-module/archive/2.91.0.tar.gz"
+      }
+    },
     "mnw": {
       "locked": {
         "lastModified": 1726188505,
@@ -645,7 +713,7 @@
     "neovim-flake": {
       "inputs": {
         "flake-parts": "flake-parts_2",
-        "flake-utils": "flake-utils_3",
+        "flake-utils": "flake-utils_4",
         "mnw": "mnw",
         "nil": "nil",
         "nixpkgs": [
@@ -754,7 +822,7 @@
         "plugin-vim-vsnip": "plugin-vim-vsnip",
         "plugin-which-key": "plugin-which-key",
         "rnix-lsp": "rnix-lsp",
-        "systems": "systems_5"
+        "systems": "systems_6"
       },
       "locked": {
         "lastModified": 1728378979,
@@ -2730,6 +2798,7 @@
         "hyprland-plugins": "hyprland-plugins",
         "hyprsplit": "hyprsplit",
         "impermanence": "impermanence",
+        "lix-module": "lix-module",
         "neovim-flake": "neovim-flake",
         "nixpkgs": "nixpkgs_4",
         "nixpkgs-stable": "nixpkgs-stable_3",
@@ -2799,7 +2868,7 @@
           "nixpkgs"
         ],
         "searx-randomizer": "searx-randomizer",
-        "systems": "systems_6"
+        "systems": "systems_7"
       },
       "locked": {
         "lastModified": 1730097974,
@@ -2956,6 +3025,21 @@
       }
     },
     "systems_6": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
+    "systems_7": {
       "locked": {
         "lastModified": 1689347949,
         "narHash": "sha256-12tWmuL2zgBgZkdoB6qXZsgJEH9LR3oUgpaQq2RbI80=",
diff --git a/flake.nix b/flake.nix
index 3dd363f..6abd150 100644
--- a/flake.nix
+++ b/flake.nix
@@ -17,6 +17,12 @@
 
     nixpkgs-stable.url = "github:NixOS/nixpkgs/nixos-24.05";
 
+    # Lix, a faster nix fork.
+    lix-module = {
+      url = "https://git.lix.systems/lix-project/nixos-module/archive/2.91.0.tar.gz";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+
     home-manager = {
       url = "github:nix-community/home-manager";
       inputs.nixpkgs.follows = "nixpkgs";
diff --git a/modules/system/nix/module.nix b/modules/system/nix/module.nix
index 4ab8328..95176d1 100644
--- a/modules/system/nix/module.nix
+++ b/modules/system/nix/module.nix
@@ -11,6 +11,8 @@ in {
   imports = [
     ./documentation.nix # nixos documentation
     ./nixpkgs.nix # global nixpkgs configuration
+
+    inputs.lix-module.nixosModules.lixFromNixpkgs
   ];
 
   nix = {