nix-daemon: allow setting builders to "" by any user (untrusted)

(cherry picked from commit a94a2eb1cb1c81e90a7529be5fecac27899a3442)

1 files changed, 2 insertions, 1 deletions

diff --git a/src/nix-daemon/nix-daemon.cc b/src/nix-daemon/nix-daemon.cc
index 644fa6681de3..615c1f5dc065 100644
--- a/src/nix-daemon/nix-daemon.cc
+++ b/src/nix-daemon/nix-daemon.cc
@@ -557,7 +557,8 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
                     ;
                 else if (trusted
                     || name == settings.buildTimeout.name
-                    || name == "connect-timeout")
+                    || name == "connect-timeout"
+                    || (name == "builders" && value == ""))
                     settings.set(name, value);
                 else if (setSubstituters(settings.substituters))
                     ;