feat(3p/nix): Add build for VM for testing tvix r/1465

Add an expression, based on the nixos qemu virtualisation framework, for
a basic system whose nix is tvix, to be used for testing tvix

Change-Id: I3c7422bb10d3ce05a3094671cb770f1f745d814c
Reviewed-on: https://cl.tvl.fyi/c/depot/+/1423
Reviewed-by: tazjin <mail@tazj.in>
Reviewed-by: Alyssa Ross <hi@alyssa.is>
Tested-by: BuildkiteCI

1 files changed, 1 insertions, 0 deletions

diff --git a/ci-builds.nix b/ci-builds.nix
index 921b6f335f98..d4ea63d99ea2 100644
--- a/ci-builds.nix
+++ b/ci-builds.nix
@@ -63,6 +63,7 @@ in lib.fix (self: {
     git
     grpc
     nix
+    nix.test-vm
     openldap
     rapidcheck
   ] ++ builtins.attrValues lisp;