From eca5f967cd56d7287e29a57f1c8c119e64b73e5d Mon Sep 17 00:00:00 2001
From: Aguirre Matteo <aguirre-matteo@proton.me>
Date: Sat, 29 Nov 2025 09:29:38 -0300
Subject: [PATCH] ludusavi: use config.xdg.stateHome instead of $XDG_STATE_HOME

---
 modules/services/ludusavi.nix | 30 ++++++++++++++++++++++++++++--
 1 file changed, 28 insertions(+), 2 deletions(-)

diff --git a/modules/services/ludusavi.nix b/modules/services/ludusavi.nix
index c301b82bf..ab5602dce 100644
--- a/modules/services/ludusavi.nix
+++ b/modules/services/ludusavi.nix
@@ -49,9 +49,17 @@ in
       default = {
         manifest.url = "https://raw.githubusercontent.com/mtkennerly/ludusavi-manifest/master/data/manifest.yaml";
         roots = [ ];
-        backup.path = "$XDG_STATE_HOME/backups/ludusavi";
-        restore.path = "$XDG_STATE_HOME/backups/ludusavi";
+        backup.path = "${config.xdg.stateHome}/backups/ludusavi";
+        restore.path = "${config.xdg.stateHome}/backups/ludusavi";
       };
+      defaultText = ''
+        {
+          manifest.url = "https://raw.githubusercontent.com/mtkennerly/ludusavi-manifest/master/data/manifest.yaml";
+          roots = [ ];
+          backup.path = "$XDG_STATE_HOME/backups/ludusavi";
+          restore.path = "$XDG_STATE_HOME/backups/ludusavi";
+        }
+      '';
       example = {
         language = "en-US";
         theme = "light";
@@ -94,6 +102,24 @@ in
         Service = {
           Type = "oneshot";
           ExecStart = "${lib.getExe cfg.package} backup --force";
+          ExecStartPre = "${pkgs.writeShellScript "ludusavi-migrate-backup" ''
+            old_base_dir="${config.home.homeDirectory}/\$XDG_STATE_HOME"
+            old_dir="$old_base_dir/backups/ludusavi"
+            new_base_dir="${config.xdg.stateHome}/backups"
+            new_dir="$new_base_dir/ludusavi"
+
+            if [[ -d "$old_base_dir" ]]; then
+              echo "Migrating old Ludusavi's backup... (See home-manager/#8234)"
+              if [[ ! -d "$new_base_dir" ]]; then
+                mkdir -p "$new_base_dir"
+              fi
+
+              mv "$old_dir" "$new_dir"
+              rmdir "$old_base_dir/backups"
+              rmdir "$old_base_dir"
+              echo "Migration completed successfully."
+            fi
+          ''}";
         }
         // lib.optionalAttrs cfg.backupNotification {
           ExecStartPost = "${lib.getExe pkgs.libnotify} 'Ludusavi' 'Backup completed' -i com.mtkennerly.ludusavi -a 'Ludusavi'";