From 44f757f535e114d923f6d877a168e607af4832d2 Mon Sep 17 00:00:00 2001
From: Giulio De Pasquale <git@depasquale.giugl.io>
Date: Tue, 10 Dec 2024 23:58:47 +0000
Subject: [PATCH] feat(cachix): add cachix configuration files and update
 host.nix

- Added `cachix.nix` for configuring Cachix substituters
- Added `cachix/nix-community.nix` for Nix Community Cachix settings
- Updated `lib/host.nix` to include `pkgs.nixosModules.cachixConfig` in the list of NixOS modules
---
 cachix.nix               | 13 +++++++++++++
 cachix/nix-community.nix | 13 +++++++++++++
 lib/host.nix             |  1 +
 3 files changed, 27 insertions(+)
 create mode 100644 cachix.nix
 create mode 100644 cachix/nix-community.nix

diff --git a/cachix.nix b/cachix.nix
new file mode 100644
index 0000000..ecd2d39
--- /dev/null
+++ b/cachix.nix
@@ -0,0 +1,13 @@
+
+# WARN: this file will get overwritten by $ cachix use <name>
+{ pkgs, lib, ... }:
+
+let
+  folder = ./cachix;
+  toImport = name: value: folder + ("/" + name);
+  filterCaches = key: value: value == "regular" && lib.hasSuffix ".nix" key;
+  imports = lib.mapAttrsToList toImport (lib.filterAttrs filterCaches (builtins.readDir folder));
+in {
+  inherit imports;
+  nix.settings.substituters = ["https://cache.nixos.org/"];
+}
diff --git a/cachix/nix-community.nix b/cachix/nix-community.nix
new file mode 100644
index 0000000..7fc4c65
--- /dev/null
+++ b/cachix/nix-community.nix
@@ -0,0 +1,13 @@
+
+{
+  nix = {
+    settings = {
+      substituters = [
+        "https://nix-community.cachix.org"
+      ];
+      trusted-public-keys = [
+        "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
+      ];
+    };
+  };
+}
diff --git a/lib/host.nix b/lib/host.nix
index 1a51b5b..2aaebfd 100644
--- a/lib/host.nix
+++ b/lib/host.nix
@@ -42,6 +42,7 @@
 
         home-manager.nixosModules.home-manager
         ../hosts/${name}/default.nix
+        pkgs.nixosModules.cachixConfig
       ];
     };
 }