From 25938251de2f5c83abece47d92460a0d7dafd9e3 Mon Sep 17 00:00:00 2001
From: Tobias Pflug <tobias.pflug@gmail.com>
Date: Wed, 14 Apr 2021 09:12:13 +0200
Subject: [PATCH] Build deployments on linux only

Evaluate deployments to {} (empty attribute set) for darwin since our
release.nix doesn't filter this out and hydra fails to evaluate this on
darin (cannot build nixos machines on darwin of course).
---
 default.nix                  | 3 ---
 deployment/morph/default.nix | 5 +++--
 2 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/default.nix b/default.nix
index dee1f229004..314f962922b 100644
--- a/default.nix
+++ b/default.nix
@@ -91,9 +91,6 @@ rec {
 
   docs = import ./nix/docs.nix { inherit pkgs plutus; };
 
-  # Note: nix-build is not eager enough in evaluating `nix-build -A deployment` so 
-  # you need to specify a specific host. On hydra `pkgs.recurseIntoAttrs` solves
-  # this problem
   deployment = pkgs.recurseIntoAttrs (pkgs.callPackage ./deployment/morph {
     plutus = {
       plutus-docs = docs;
diff --git a/deployment/morph/default.nix b/deployment/morph/default.nix
index a23d42cb1a0..414bf1baf81 100644
--- a/deployment/morph/default.nix
+++ b/deployment/morph/default.nix
@@ -30,8 +30,9 @@ let
   # in a `pkgs.nixos` call to build the machine outside of morph.
   mkMachine = pkgs.callPackage ./mk-machine.nix { inherit plutus tfinfo; extraImports = [ fakeDeploymentOption ]; };
   buildMachine = { config, name }: (pkgs.nixos (mkMachine { inherit config name; })).toplevel;
+  linuxOnly = x: if pkgs.stdenv.isDarwin then { } else x;
 in
-import ./machines.nix {
+linuxOnly (import ./machines.nix {
   inherit pkgs tfinfo;
   mkMachine = buildMachine;
-}
+})