From 947c25330f3df0192d129974b85ab8675503fe91 Mon Sep 17 00:00:00 2001
From: ItsDrike <itsdrike@protonmail.com>
Date: Thu, 21 Mar 2024 23:08:56 +0100
Subject: [PATCH] Add binary cache support

---
 system/default.nix                  |  2 +-
 system/nix/cachix.nix               | 25 +++++++++++++++++++++++++
 system/{nix.nix => nix/default.nix} | 10 ++++++++--
 3 files changed, 34 insertions(+), 3 deletions(-)
 create mode 100644 system/nix/cachix.nix
 rename system/{nix.nix => nix/default.nix} (92%)

diff --git a/system/default.nix b/system/default.nix
index d589af8..f3cd87d 100644
--- a/system/default.nix
+++ b/system/default.nix
@@ -4,8 +4,8 @@ _: {
     ./boot
     ./services
     ./programs
+    ./nix
     ./system.nix
-    ./nix.nix
     ./network.nix
     ./localisation.nix
   ];
diff --git a/system/nix/cachix.nix b/system/nix/cachix.nix
new file mode 100644
index 0000000..89f170c
--- /dev/null
+++ b/system/nix/cachix.nix
@@ -0,0 +1,25 @@
+_: {
+  nix.settings = {
+    # Set up various binary cache providers, compiling everything is too slow and annoying
+    # these will be used on all machines, but there's really no reason not to include all
+    # providers, even if we won't pull some of the packages these cache
+    substituters = [
+      "https://cache.nixos.org"
+      "https://nix-community.cachix.org" # nix-community flake
+      "https://nixpkgs-unfree.cachix.org" # unfree-package cache
+      "https://numtide.cachix.org" # another unfree package cache
+      "https://nixpkgs-wayland.cachix.org" # automated builds of *some* wayland packages
+      "https://hyprland.cachix.org" # hyprland
+      "https://ags.cachix.org" # ags
+    ];
+    trusted-public-keys = [
+      "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="
+      "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
+      "nixpkgs-unfree.cachix.org-1:hqvoInulhbV4nJ9yJOEr+4wxhDV4xq2d1DK7S6Nj6rs="
+      "numtide.cachix.org-1:2ps1kLBUWjxIneOy1Ik6cQjb41X0iXVXeHigGmycPPE="
+      "nixpkgs-wayland.cachix.org-1:3lwxaILxMRkVhehr5StQprHdEo4IrE8sRho9R9HOLYA="
+      "hyprland.cachix.org-1:a7pgxzMz7+chwVL3/pzj6jIBMioiJM7ypFP8PwtkuGc="
+      "ags.cachix.org-1:naAvMrz0CuYqeyGNyLgE010iUiuf/qx6kYrUv3NwAJ8="
+    ];
+  };
+}
diff --git a/system/nix.nix b/system/nix/default.nix
similarity index 92%
rename from system/nix.nix
rename to system/nix/default.nix
index 461d636..f57603c 100644
--- a/system/nix.nix
+++ b/system/nix/default.nix
@@ -1,5 +1,10 @@
-{pkgs, ...}:
+{ pkgs, ... }:
 {
+
+  imports = [
+    ./cachix.nix
+  ];
+
   system.autoUpgrade.enable = false;
 
   nix = {
@@ -37,5 +42,6 @@
   nixpkgs.config.allowUnfree = true;
 
   # Git is needed for flakes
-  environment.systemPackages = [pkgs.git];
+  environment.systemPackages = [ pkgs.git ];
 }
+