From 6075aec39ab2500a37ecdbdd9023ade8750d7985 Mon Sep 17 00:00:00 2001
From: "Mohamed C." <mohamed@chrayed.de>
Date: Fri, 16 Aug 2024 22:25:25 +0200
Subject: [PATCH] flake experiments, add steamdeck hosts file

---
 flake.nix                   | 107 +++++++++++++++---------------------
 hosts/steamdeck/default.nix |  24 ++++++++
 2 files changed, 67 insertions(+), 64 deletions(-)

diff --git a/flake.nix b/flake.nix
index 8bed5b4..a15cdb8 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,6 +1,6 @@
 {
   description = "Moe.OS";
-  # Define Inputs
+
   inputs = {
     nixpkgs.url = "nixpkgs/nixos-unstable";
     home-manager = {
@@ -14,21 +14,13 @@
       inputs.home-manager.follows = "home-manager";
     };
   };
-  # Define Outputs, import Modules
-  outputs =
-    {
-      nixpkgs,
-      home-manager,
-      jovian,
-      plasma-manager,
-      ...
-    }:
+
+  outputs = { nixpkgs, home-manager, jovian, plasma-manager, ... }:
     let
-      # Define system globally since I have no aarch devices
       system = "x86_64-linux";
       pkgs = import nixpkgs { inherit system; };
       lib = nixpkgs.lib;
-      # NixOS Modules for all hosts
+
       systemModules = [
         home-manager.nixosModules.home-manager
         ./modules/system/apps-shell
@@ -43,31 +35,22 @@
         ./modules/system/upgrades
         ./modules/system/users
       ];
-      # Home Manager Modules for all hosts
+
       userModules = [
         ./modules/user/git
         ./modules/user/homeversion
       ];
-    in
-    {
+    in {
       nixosConfigurations = {
-        # Workstation config
-        # user and hostName variable inside hostConfig so we can call it in other modules
-        workstation =
-          let
-            user = "mo";
-            hostName = "workstation";
-          in
+        workstation = let
+          user = "mo";
+          hostName = "workstation";
+        in
           lib.nixosSystem {
+            inherit system;
             specialArgs = {
-              inherit systemModules;
-              inherit userModules;
-              inherit system;
-              inherit user;
-              inherit hostName;
+              inherit systemModules userModules user hostName;
             };
-            system = system;
-            # Device specific NixOS Modules
             modules = systemModules ++ [
               jovian.nixosModules.jovian
               ./hosts/${hostName}
@@ -80,52 +63,48 @@
               ./modules/system/plasma
               ./modules/system/steam
               {
-                # Device specific Home Manager Modules
                 home-manager.users.${user}.imports = userModules ++ [
                   ./modules/user/plasma
                 ];
-                # Issue with Plasma Manager, has to be imported in a special way
                 home-manager.sharedModules = [ plasma-manager.homeManagerModules.plasma-manager ];
               }
             ];
           };
-      };
-      # Steamdeck config
-      # user and hostName variable inside hostConfig so we can call it in other modules
-      steamdeck =
-        let
+
+        steamdeck = let
           user = "deck";
           hostName = "steamdeck";
         in
-        lib.nixosSystem {
-          specialArgs = {
-            inherit systemModules;
-            inherit userModules;
+          lib.nixosSystem {
             inherit system;
-            inherit user;
-            inherit hostName;
+            specialArgs = {
+              inherit systemModules userModules user hostName;
+            };
+            modules = systemModules ++ [
+              jovian.nixosModules.jovian
+              ./hosts/${hostName}
+              ./modules/system/apps-misc
+              ./modules/system/browser
+              ./modules/system/controller
+              ./modules/system/jovian-${hostName}
+              ./modules/system/lact
+              ./modules/system/plasma
+              ./modules/system/steam
+              {
+                home-manager.users.${user}.imports = userModules ++ [
+                  ./modules/user/plasma
+                ];
+                home-manager.sharedModules = [ plasma-manager.homeManagerModules.plasma-manager ];
+              }
+            ] ++ lib.optional (!lib.hasAttr "system.build.isoImage" pkgs.nixos) [
+              {
+                # Define ISO only if it hasn't been defined yet
+                system.build.isoImage = pkgs.nixos.install {
+                  modules = [ ./hosts/${hostName} ];
+                };
+              }
+            ];
           };
-          system = system;
-          # Device specific NixOS Modules
-          modules = systemModules ++ [
-            jovian.nixosModules.jovian
-            ./hosts/${hostName}
-            ./modules/system/apps-misc
-            ./modules/system/browser
-            ./modules/system/controller
-            ./modules/system/jovian-${hostName}
-            ./modules/system/lact
-            ./modules/system/plasma
-            ./modules/system/steam
-            {
-              # Device specific Home Manager Modules
-              home-manager.users.${user}.imports = userModules ++ [
-                ./modules/user/plasma
-              ];
-              # Issue with Plasma Manager, has to be imported in a special way
-              home-manager.sharedModules = [ plasma-manager.homeManagerModules.plasma-manager ];
-            }
-          ];
-        };
+      };
     };
 }
diff --git a/hosts/steamdeck/default.nix b/hosts/steamdeck/default.nix
index e69de29..2440752 100644
--- a/hosts/steamdeck/default.nix
+++ b/hosts/steamdeck/default.nix
@@ -0,0 +1,24 @@
+{ ... }:
+{
+  boot.initrd.availableKernelModules = [ "nvme" "xhci_pci" "ahci" "usbhid" "usb_storage" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+
+    fileSystems."/" =
+    { device = "/dev/disk/by-partlabel/root";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-partlabel/EFI";
+      fsType = "vfat";
+      options = [ "fmask=0022" "dmask=0022" ];
+    };
+
+  swapDevices = [ {
+    device = "/var/lib/swapfile";
+    size = 16*1024;
+  }];
+}