From 3bc649b5b9b7d2e0164a07817e5940c25fd2770a Mon Sep 17 00:00:00 2001
From: Mohammad Rafiq <rafiq@rrv.sh>
Date: Mon, 7 Jul 2025 09:58:25 +0800
Subject: [PATCH 1/2] refactor: rename modules/flake to flake-parts, hosts to
 configurations

---
 nix/{modules/hosts.nix => configurations.nix}     | 0
 nix/{modules/flake => flake-parts}/files.nix      | 0
 nix/{modules/flake => flake-parts}/git-hooks.nix  | 0
 nix/{modules/flake => flake-parts}/make-shell.nix | 0
 nix/{modules/flake => flake-parts}/modules.nix    | 0
 nix/{modules/flake => flake-parts}/text.nix       | 0
 6 files changed, 0 insertions(+), 0 deletions(-)
 rename nix/{modules/hosts.nix => configurations.nix} (100%)
 rename nix/{modules/flake => flake-parts}/files.nix (100%)
 rename nix/{modules/flake => flake-parts}/git-hooks.nix (100%)
 rename nix/{modules/flake => flake-parts}/make-shell.nix (100%)
 rename nix/{modules/flake => flake-parts}/modules.nix (100%)
 rename nix/{modules/flake => flake-parts}/text.nix (100%)

diff --git a/nix/modules/hosts.nix b/nix/configurations.nix
similarity index 100%
rename from nix/modules/hosts.nix
rename to nix/configurations.nix
diff --git a/nix/modules/flake/files.nix b/nix/flake-parts/files.nix
similarity index 100%
rename from nix/modules/flake/files.nix
rename to nix/flake-parts/files.nix
diff --git a/nix/modules/flake/git-hooks.nix b/nix/flake-parts/git-hooks.nix
similarity index 100%
rename from nix/modules/flake/git-hooks.nix
rename to nix/flake-parts/git-hooks.nix
diff --git a/nix/modules/flake/make-shell.nix b/nix/flake-parts/make-shell.nix
similarity index 100%
rename from nix/modules/flake/make-shell.nix
rename to nix/flake-parts/make-shell.nix
diff --git a/nix/modules/flake/modules.nix b/nix/flake-parts/modules.nix
similarity index 100%
rename from nix/modules/flake/modules.nix
rename to nix/flake-parts/modules.nix
diff --git a/nix/modules/flake/text.nix b/nix/flake-parts/text.nix
similarity index 100%
rename from nix/modules/flake/text.nix
rename to nix/flake-parts/text.nix

From 53b88094328d0062db49c4d64a6c0b92f8f135ae Mon Sep 17 00:00:00 2001
From: Mohammad Rafiq <rafiq@rrv.sh>
Date: Mon, 7 Jul 2025 10:38:17 +0800
Subject: [PATCH 2/2] feat(nixos): add platform module for different
 architectures

---
 nix/manifest.nix                 |  1 -
 nix/modules/machine/platform.nix | 14 ++++++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)
 create mode 100644 nix/modules/machine/platform.nix

diff --git a/nix/manifest.nix b/nix/manifest.nix
index cd305e2..f87deed 100644
--- a/nix/manifest.nix
+++ b/nix/manifest.nix
@@ -6,7 +6,6 @@ let
         device = "/dev/sda1";
         fsType = "ext4";
       };
-      nixpkgs.hostPlatform = "x86_64-linux";
       boot.loader.systemd-boot.enable = true;
       networking = { inherit hostName; };
     };
diff --git a/nix/modules/machine/platform.nix b/nix/modules/machine/platform.nix
new file mode 100644
index 0000000..ae8ab61
--- /dev/null
+++ b/nix/modules/machine/platform.nix
@@ -0,0 +1,14 @@
+{ config, ... }:
+{
+  flake.modules.nixos.default =
+    { hostName, ... }:
+    let
+      inherit (config.flake.manifest.hosts.nixos.${hostName}.machine) platform;
+      arch = if platform == "amd" || platform == "intel" then "x86_64" else "aarch64";
+    in
+    {
+      hardware.cpu.${platform}.updateMicrocode = true;
+      boot.kernelModules = [ "kvm-${platform}" ];
+      nixpkgs.hostPlatform = "${arch}-linux";
+    };
+}