From 434e6b2a9f9e7f3f37ca110d6ccde82a2f8331e7 Mon Sep 17 00:00:00 2001
From: deva <hi@dessa.dev>
Date: Sat, 6 Jul 2024 09:40:47 -0400
Subject: [PATCH] virtualisation, nix-index, and nvidia

---
 os/configuration.nix     | 57 +++++++++++++++++++++++++++++++++++++++-
 os/shell/prompt-zen.toml |  2 +-
 os/shell/zsh.nix         |  2 +-
 os/users.nix             |  1 +
 os/util/user.nix         | 10 +++----
 5 files changed, 64 insertions(+), 8 deletions(-)

diff --git a/os/configuration.nix b/os/configuration.nix
index 8fb13ae..422f08a 100644
--- a/os/configuration.nix
+++ b/os/configuration.nix
@@ -19,9 +19,10 @@
 
   virtualisation.docker = {
     enable = true;
-    enableNvidia = builtins.any (driver: driver == "nvidia") config.services.xserver.videoDrivers;
   };
 
+  virtualisation.containers.cdi.dynamic.nvidia.enable = builtins.any (driver: driver == "nvidia") config.services.xserver.videoDrivers;
+
   virtualisation.vmware.host.enable = true;
 
   programs.seahorse.enable = true;
@@ -37,8 +38,13 @@
   environment.systemPackages = with pkgs; [
     neovim
     firefox
+    #jmtpfs
   ];
 
+  services.gvfs.enable = true;
+
+  programs.adb.enable = true;
+
   nix = let
     flakeInputs = lib.filterAttrs (_: lib.isType "flake") inputs;
   in {
@@ -196,4 +202,53 @@
       (pkgs.nerdfonts.override {fonts = ["NerdFontsSymbolsOnly"];})
     ];
   };
+
+  #nvidia
+  hardware.opengl = {
+    enable = true;
+    driSupport32Bit = true;
+  };
+
+  services.xserver.videoDrivers = ["nvidia"];
+
+  hardware.nvidia = {
+    # Modesetting is required.
+    modesetting.enable = true;
+
+    # Nvidia power management. Experimental, and can cause sleep/suspend to fail.
+    # Enable this if you have graphical corruption issues or application crashes after waking
+    # up from sleep. This fixes it by saving the entire VRAM memory to /tmp/ instead
+    # of just the bare essentials.
+    powerManagement.enable = false;
+
+    # Fine-grained power management. Turns off GPU when not in use.
+    # Experimental and only works on modern Nvidia GPUs (Turing or newer).
+    powerManagement.finegrained = false;
+
+    # Use the NVidia open source kernel module (not to be confused with the
+    # independent third-party "nouveau" open source driver).
+    # Support is limited to the Turing and later architectures. Full list of
+    # supported GPUs is at:
+    # https://github.com/NVIDIA/open-gpu-kernel-modules#compatible-gpus
+    # Only available from driver 515.43.04+
+    # Currently alpha-quality/buggy, so false is currently the recommended setting.
+    open = false;
+
+    # Enable the Nvidia settings menu,
+    # accessible via `nvidia-settings`.
+    nvidiaSettings = true;
+
+    # Optionally, you may need to select the appropriate driver version for your specific GPU.
+    package = config.boot.kernelPackages.nvidiaPackages.stable;
+
+    prime = {
+      intelBusId = "PCI:0:2:0";
+      nvidiaBusId = "PCI:1:0:0";
+
+      offload = {
+        enable = true;
+        enableOffloadCmd = true;
+      };
+    };
+  };
 }
diff --git a/os/shell/prompt-zen.toml b/os/shell/prompt-zen.toml
index 6c890ea..a28fb6e 100755
--- a/os/shell/prompt-zen.toml
+++ b/os/shell/prompt-zen.toml
@@ -51,7 +51,7 @@ console_title_template = '{{if .Root}}(Admin){{end}} {{ .PWD }}'
       "{{if gt .Code 0}}red{{end}}"
     ]
     background = 'transparent'
-    template = '{{if eq .UserName "root" }}#{{else}}~{{end}}'
+    template = '{{if eq .UserName "root" }}#{{else}}🞂{{end}}'
 
 [transient_prompt]
   foreground_templates = [
diff --git a/os/shell/zsh.nix b/os/shell/zsh.nix
index b5ac256..5644231 100644
--- a/os/shell/zsh.nix
+++ b/os/shell/zsh.nix
@@ -6,7 +6,7 @@
   programs.bat.enable = true;
   programs.eza.enable = true;
   programs.man.enable = true;
-  programs.nix-index.enableZshIntegration = false;
+  programs.nix-index.enableZshIntegration = true;
   home.packages = [
     pkgs.unstable.steam-run
   ];
diff --git a/os/users.nix b/os/users.nix
index ef69d90..b1cc813 100644
--- a/os/users.nix
+++ b/os/users.nix
@@ -22,6 +22,7 @@
       blockbench
       blender
       prismlauncher
+      steam
     ];
   };
   user.root = {
diff --git a/os/util/user.nix b/os/util/user.nix
index a72e2ca..fc03972 100644
--- a/os/util/user.nix
+++ b/os/util/user.nix
@@ -183,8 +183,8 @@ in {
     home-manager.users = lib.mkIf (config.user != null) (lib.attrsets.mapAttrs (name: userConfig: {
         imports =
           [
-	  inputs.nix-index-db.hmModules.nix-index
-	  ]
+            inputs.nix-index-db.hmModules.nix-index
+          ]
           ++ (
             if name != "root"
             then [
@@ -303,9 +303,9 @@ in {
         };
         programs.home-manager.enable = true;
         programs.git.enable = true;
-	programs.nix-index.enable = true;
-	programs.nix-index.symlinkToCacheHome = true;
-	programs.nix-index-database.comma.enable = true;
+        programs.nix-index.enable = true;
+        programs.nix-index.symlinkToCacheHome = true;
+        programs.nix-index-database.comma.enable = true;
         systemd.user.startServices = "sd-switch";
       })
       config.user);