restic: Rename option resticBackups to restic.backups

modules/system/services/restic/restore.nix

@@ -0,0 +1,57 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+let
+  backupsWithRestoreCommand =
+    config.custom.services.restic.backups
+    |> lib.filterAttrs (_: value: value.enable)
+    |> lib.filterAttrs (_: value: value.restoreCommand.enable);
+in
+{
+  options.custom.services.restic.backups = lib.mkOption {
+    type = lib.types.attrsOf (
+      lib.types.submodule {
+        options.restoreCommand = {
+          enable = lib.mkEnableOption "" // {
+            default = true;
+          };
+          preRestore = lib.mkOption {
+            type = lib.types.str;
+            default = "";
+          };
+          postRestore = lib.mkOption {
+            type = lib.types.str;
+            default = "";
+          };
+        };
+      }
+    );
+  };
+
+  config = {
+    environment.systemPackages =
+      backupsWithRestoreCommand
+      |> lib.mapAttrsToList (
+        name: value:
+        pkgs.writeShellApplication {
+          name = "restic-restore-${name}";
+          text =
+            let
+              inherit (value) conflictingService;
+              inherit (value.restoreCommand) preRestore postRestore;
+              hasconflictingService = conflictingService != null;
+            in
+            ''
+              ${lib.optionalString hasconflictingService "systemctl stop ${conflictingService}"}
+              ${preRestore}
+              restic-${name} restore latest --target /
+              ${postRestore}
+              ${lib.optionalString hasconflictingService "systemctl start ${conflictingService}"}
+            '';
+        }
+      );
+  };
+}