From dc2cfa2fdb9e9b7125a57b3ba5ae0fec338895ac Mon Sep 17 00:00:00 2001
From: Sebastien Bourdeauducq <sb@m-labs.hk>
Date: Mon, 6 Jul 2020 12:36:56 +0800
Subject: [PATCH] nixops: enable network.enableRollback

This avoids rebuilding everything if GC has been run between deploys.
https://github.com/NixOS/nixops/issues/272
---
 nixops/nixops.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/nixops/nixops.nix b/nixops/nixops.nix
index cd648586..79270137 100644
--- a/nixops/nixops.nix
+++ b/nixops/nixops.nix
@@ -1,4 +1,6 @@
 {
+  network.enableRollback = true;
+
   rpi-1 = import ./rpi.nix { host = "rpi-1"; rpi4 = false; };
   rpi-2 = import ./rpi.nix { host = "rpi-2"; rpi4 = false; };
   rpi-3 = import ./rpi.nix { host = "rpi-3"; rpi4 = true; };