From 51f30e487c1967919e72f6fe7fb566b19a1a6a43 Mon Sep 17 00:00:00 2001
From: depsterr <depsterr@protonmail.com>
Date: Sat, 19 Aug 2023 16:58:57 +0200
Subject: [PATCH] added desktop (computational)

---
 computational/configuration.nix          | 124 +++++++++++++++++++++++
 computational/hardware-configuration.nix |  42 ++++++++
 flake.nix                                |  20 ++++
 3 files changed, 186 insertions(+)
 create mode 100644 computational/configuration.nix
 create mode 100644 computational/hardware-configuration.nix

diff --git a/computational/configuration.nix b/computational/configuration.nix
new file mode 100644
index 0000000..1e20cfd
--- /dev/null
+++ b/computational/configuration.nix
@@ -0,0 +1,124 @@
+{ config, pkgs, ... }:
+{
+
+  # [HARDWARE]
+  imports =
+    [ # Include the results of the hardware scan.
+      ./hardware-configuration.nix
+    ];
+  hardware.opengl = {
+    enable = true;
+    driSupport = true;
+    driSupport32Bit = true;
+  };
+
+  # [BOOT]
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+
+  # [NETWORKING]
+  networking.hostName = "computational";
+  networking.networkmanager.enable = true;  # Easiest to use and most distros use this by default.
+
+
+  # [NFS]
+  fileSystems."/home/rachel/music" = {
+    device = "rachel.cafe:/srv/music";
+    fsType = "nfs";
+    options = [ "x-systemd.automount" "noauto" "x-systemd.idle-timeout=60" ];
+  };
+
+  # [LOCALE]
+  time.timeZone = "Europe/Stockholm";
+  i18n.defaultLocale = "en_GB.UTF-8";
+  i18n.supportedLocales = [ "sv_SE.UTF-8/UTF-8" "en_GB.UTF-8/UTF-8" ];
+
+  # [NIX]
+  nix = {
+    settings = {
+      bash-prompt = "\\033[1m\\u\\033[0m@\\033[1m\\h\\033[0m: \\w\\n❄\\040";
+      experimental-features = [ "nix-command" "flakes" ];
+      auto-optimise-store = true;
+    };
+    gc = {
+      automatic = true;
+      dates = "monthly";
+      options = "--delete-older-than 30d";
+    };
+  };
+
+  nixpkgs.config.allowUnfree = true;
+
+  # [DESKTOP / XORG / WAYLAND]
+  services.xserver = {
+    enable = true;
+    desktopManager.plasma5.enable = true;
+    displayManager.startx.enable = true;
+    layout = "us,se";
+    xkbOptions = "grp:alt_caps_toggle";
+  };
+
+  # [SOUND]
+  sound.enable = false;
+  services.pipewire = {
+    enable = true;
+
+    alsa = {
+      enable = true;
+      support32Bit = true;
+    };
+
+    pulse.enable = true;
+
+    wireplumber.enable = true;
+  };
+
+
+  # [PACKAGES]
+  environment.systemPackages = with pkgs; [
+    git
+    neovim
+  ];
+
+  # [SERVICES]
+  services.printing.enable = true;
+
+  # [SECURITY / FIREWALL]
+  networking.firewall.enable = true;
+  networking.firewall.allowedTCPPorts = [ ];
+  networking.firewall.allowedUDPPorts = [ ];
+  programs.gnupg.agent = {
+    enable = true;
+    pinentryFlavor = "qt";
+  };
+  security.doas = {
+    enable = true;
+    extraRules = [{
+      runAs = "root";
+      groups = [ "wheel" ];
+      noPass = false;
+      keepEnv = true;
+    }];
+  };
+
+  # [USER / HOME MANAGER]
+  users.users.rachel = {
+    isNormalUser = true;
+    extraGroups = [
+      "wheel"
+      "networkmanager"
+      "video"
+      "input"
+      "audio"
+    ];
+  };
+
+  # This value determines the NixOS release from which the default
+  # settings for stateful data, like file locations and database versions
+  # on your system were taken. It's perfectly fine and recommended to leave
+  # this value at the release version of the first install of this system.
+  # Before changing this value read the documentation for this option
+  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
+  system.stateVersion = "23.05"; # Did you read the comment?
+
+}
diff --git a/computational/hardware-configuration.nix b/computational/hardware-configuration.nix
new file mode 100644
index 0000000..a7eb4dd
--- /dev/null
+++ b/computational/hardware-configuration.nix
@@ -0,0 +1,42 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "usbhid" "usb_storage" "sd_mod" "sr_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/963c5cb4-e35d-4992-83e9-5f8724de2c88";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/5951-2630";
+      fsType = "vfat";
+    };
+
+  fileSystems."/home" =
+    { device = "/dev/disk/by-uuid/91bac28e-235d-447a-8b6e-7e8ab17b60f1";
+      fsType = "ext4";
+    };
+
+  swapDevices = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp3s0.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}
diff --git a/flake.nix b/flake.nix
index ceab166..167e6c7 100644
--- a/flake.nix
+++ b/flake.nix
@@ -28,5 +28,25 @@
         }
       ];
     };
+
+    nixosConfigurations.computational = nixpkgs.lib.nixosSystem {
+      system = "x86_64-linux";
+      modules = [
+        {
+          nix.registry.nixpkgs.flake = nixpkgs;
+          system.configurationRevision = nixpkgs.lib.mkIf (self ? rev) self.rev;
+        }
+        ./computational/configuration.nix
+        home-manager.nixosModules.home-manager
+        {
+          home-manager = {
+            useGlobalPkgs = true;
+            useUserPackages = true;
+            users.rachel = import ./home/rachel.nix;
+          };
+        }
+      ];
+    };
+
   };
 }