Merge pull request #9096 from NixOS/dont-rebuild-twice-on-ci

 Don't run the tests that require building if we're not building

(cherry picked from commit 8cfa582f436db8066eff74cb084990367e014ce6)
Change-Id: I6085ca6107349669407340d7a5e52639a2febc90

1 files changed, 6 insertions, 1 deletions

diff --git a/flake.nix b/flake.nix
index ac1d0606a..1d03f1a1f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -253,6 +253,7 @@
       testNixVersions = pkgs: client: daemon: with commonDeps { inherit pkgs; }; with pkgs.lib; pkgs.stdenv.mkDerivation {
         NIX_DAEMON_PACKAGE = daemon;
         NIX_CLIENT_PACKAGE = client;
+        HAVE_LOCAL_NIX_BUILD = false;
         name =
           "nix-tests"
           + optionalString
@@ -272,9 +273,13 @@
         enableParallelBuilding = true;
 
         configureFlags = testConfigureFlags; # otherwise configure fails
-        dontBuild = true;
         doInstallCheck = true;
 
+        buildPhase = ''
+          # Remove the source files to make sure that we're not accidentally rebuilding Nix
+          rm src/**/*.cc
+        '';
+
         installPhase = ''
           mkdir -p $out
         '';