From be54cb5a31e149706b05e4a6abcf13b2ae4eda6c Mon Sep 17 00:00:00 2001
From: derped <derped@ophanim.de>
Date: Sun, 12 Jan 2025 13:07:30 +0100
Subject: [PATCH] impermanence: link home profile during system activation

---
 services/impermanence.nix | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/services/impermanence.nix b/services/impermanence.nix
index 2d33846..45a4b43 100644
--- a/services/impermanence.nix
+++ b/services/impermanence.nix
@@ -64,4 +64,19 @@ in
       ];
     users = listToAttrs (map persistUser config.machine.administrators);
   };
+
+  # link current home manager profile if it exists
+  # impermanence mounts come after system activation during boot
+  # we check the persistent location and link to the expected mount point
+  system.activationScripts.profile-init.text = concatStrings (
+    map (
+      user:
+      with user; # bash
+      ''
+        if [[ -d /persist/home/${name}/.local/state/nix/profiles/profile ]]; then
+          ln -sfn /home/${name}/.local/state/nix/profiles/profile /home/${name}/.nix-profile
+        fi
+      ''
+    ) config.machine.administrators
+  );
 }