From d4b81d128f5e9525bd29b4771ac566e00cc831d4 Mon Sep 17 00:00:00 2001
From: Caroline Larimore <caroline@larimo.re>
Date: Sat, 8 Feb 2025 14:09:56 -0800
Subject: migration: configure home impermanence from system

---
 snowfall/modules/home/impermanence/default.nix     | 29 ++++++++++------------
 .../modules/nixos/system/impermanence/default.nix  | 22 +++++++++++++++-
 snowfall/systems/x86_64-linux/c-pc/default.nix     |  1 +
 3 files changed, 35 insertions(+), 17 deletions(-)

(limited to 'snowfall')

diff --git a/snowfall/modules/home/impermanence/default.nix b/snowfall/modules/home/impermanence/default.nix
index c1d1a2d..f132a6a 100644
--- a/snowfall/modules/home/impermanence/default.nix
+++ b/snowfall/modules/home/impermanence/default.nix
@@ -1,8 +1,9 @@
-{ options, config, lib, namespace, inputs, host, ... }:
+{ options, config, osConfig, lib, namespace, inputs, host, ... }:
 
 with lib; with lib.${namespace}; let
-  cfg = config.${namespace}.impermanence;
-  hosts = [ "c-pc" ];
+  cfg = config.${namespace}.impermanence // {
+    inherit (osConfig.${namespace}.system.impermanence.home) enable location secure;
+  };
 in {
   imports = [
     inputs.impermanence.nixosModules.home-manager.impermanence
@@ -14,22 +15,18 @@ in {
       default = true;
     };
 
-    location = mkOption {
-      type = str;
-      default = "/persist/home";
-    };
-
-    secure = {
-      location = mkOption {
-        type = str;
-        default = "/persist/secure/home";
-      };
-    };
+    enable = mkOption { type = uniq bool; };
+    location = mkOption { type = uniq str; };
+    secure.location = mkOption { type = uniq str; };
   };
 
   config = {
+    ${namespace}.impermanence = {
+      inherit (cfg) enable location secure;
+    };
+
     home.persistence.${cfg.location} = {
-      enable = builtins.elem host hosts;
+      enable = cfg.enable;
       allowOther = true;
 
       directories = mkIf cfg.skeleton [
@@ -44,7 +41,7 @@ in {
     };
 
     home.persistence.${cfg.secure.location} = {
-      enable = builtins.elem host hosts;
+      enable = cfg.enable;
       allowOther = false;
     };
   };
diff --git a/snowfall/modules/nixos/system/impermanence/default.nix b/snowfall/modules/nixos/system/impermanence/default.nix
index c7c86d8..b82579b 100644
--- a/snowfall/modules/nixos/system/impermanence/default.nix
+++ b/snowfall/modules/nixos/system/impermanence/default.nix
@@ -5,12 +5,32 @@ with lib; with lib.${namespace}; let
 in {
   options.${namespace}.system.impermanence = with types; {
     enable = mkEnableOption "root impermanence";
+
+    location = mkOption {
+      type = str;
+      default = "/persist/system";
+    };
+
+    #TODO: multi-user support
+    home = {
+      enable = mkEnableOption "home impermanence";
+
+      location = mkOption {
+        type = str;
+        default = "/persist/home";
+      };
+
+      secure.location = mkOption {
+        type = str;
+        default = "/persist/secure/home";
+      };
+    };
   };
 
   config = mkIf cfg.enable {
     programs.fuse.userAllowOther = true;
 
-    environment.persistence."/persist/system" = {
+    environment.persistence.${cfg.location} = {
       hideMounts = true;
 
       directories = [
diff --git a/snowfall/systems/x86_64-linux/c-pc/default.nix b/snowfall/systems/x86_64-linux/c-pc/default.nix
index 5b98fc1..012b661 100644
--- a/snowfall/systems/x86_64-linux/c-pc/default.nix
+++ b/snowfall/systems/x86_64-linux/c-pc/default.nix
@@ -12,6 +12,7 @@ with lib; with lib.${namespace}; {
       id = "23ce94ff";
       
       impermanence.enable = true;
+      impermanence.home.enable = true;
 
       fonts.nerdfonts = true;
       fonts.extra = with pkgs; [
-- 
cgit v1.2.3