From 958063f086e1bfd7d75208dae9339acec33b1942 Mon Sep 17 00:00:00 2001
From: Alex Auvolat <alex@adnab.me>
Date: Thu, 20 Jul 2023 12:08:08 +0200
Subject: kusanagi with non-persistent home

---
 nixos/common.nix   |  3 ++-
 nixos/icewm.nix    |  1 -
 nixos/kusanagi.nix | 26 +++++++++++++++++---------
 3 files changed, 19 insertions(+), 11 deletions(-)

(limited to 'nixos')

diff --git a/nixos/common.nix b/nixos/common.nix
index 5a653a6..a3397c1 100644
--- a/nixos/common.nix
+++ b/nixos/common.nix
@@ -12,7 +12,7 @@ in
   ];
 
   boot.supportedFilesystems = [ "ntfs" ];
-  boot.cleanTmpDir = true;
+  boot.tmp.cleanOnBoot = true;
 
   time.timeZone = "Europe/Paris";
 
@@ -191,6 +191,7 @@ in
     inkscape
     krita
     mupdf
+    llpp
     xournalpp
     pdfarranger
     nextcloud-client
diff --git a/nixos/icewm.nix b/nixos/icewm.nix
index 3e8d81f..cf02cc1 100644
--- a/nixos/icewm.nix
+++ b/nixos/icewm.nix
@@ -12,7 +12,6 @@
 
     dmenu
     feh
-    mupdf
     acpi
     netsurf.browser
     midori
diff --git a/nixos/kusanagi.nix b/nixos/kusanagi.nix
index 52ba1eb..cf5450c 100644
--- a/nixos/kusanagi.nix
+++ b/nixos/kusanagi.nix
@@ -3,12 +3,16 @@
 # to /etc/nixos/configuration.nix instead.
 { config, lib, pkgs, modulesPath, ... }:
 
+let
+    home-manager = builtins.fetchTarball "https://github.com/nix-community/home-manager/archive/release-23.05.tar.gz";
+in
 {
   imports =
     [
       (modulesPath + "/installer/scan/not-detected.nix")
       ./common.nix
       ./icewm.nix
+      (import "${home-manager}/nixos")
     ];
 
   networking.hostName = "kusanagi";
@@ -37,7 +41,7 @@
       fsType = "vfat";
     };
 
-  fileSystems."/home" =
+  fileSystems."/Z" =
     { device = "kusanagi/nixos/home";
       fsType = "zfs";
       neededForBoot = true; # because contains password files used below
@@ -80,19 +84,23 @@
       options = [ "bind" ];
     };
 
-  # .cache as tmpfs
-  fileSystems."/home/lx/.cache" = {
-    device = "none";
-    fsType = "tmpfs";
-    options = [ "defaults" "size=4G" "mode=755" "uid=1000" ];
-  };
-
   # ---- immutable user config for tmpfs root ----
 
   users.mutableUsers = false;
-  users.users.lx.passwordFile = "/home/lx/.password";
+  users.users.lx.passwordFile = "/Z/lx/.password";
   users.users.lx.uid = 1000;
 
+  # ---- no persistent home, use home manager to set everything up ----
+
+  # nur has to be imported twice, otherwise doesn't work
+  nixpkgs.config.packageOverrides = pkgs: {
+    nur = import (builtins.fetchTarball
+      "https://github.com/nix-community/NUR/archive/master.tar.gz") {
+        inherit pkgs;
+      };
+  };
+  home-manager.users.lx = import ../nixpkgs/kusanagi.nix { inherit pkgs; };
+
   # ----
 
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
-- 
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