[CAD-2169] add second nix build wth testing-mode flag

default.nix

@@ -28,15 +28,17 @@ let
   };
 
   packages = {
-    inherit haskellPackages scripts smash-exe;
+    inherit haskellPackages scripts smash-exe smash-exe-testing;
     inherit (haskellPackages.smash.identifier) version;
 
     # `tests` are the test suites which have been built.
     tests = collectComponents' "tests" haskellPackages;
 
     libs = collectComponents' "library" haskellPackages;
 
-    exes = collectComponents' "exes" haskellPackages;
+    exes = lib.recursiveUpdate (collectComponents' "exes" haskellPackages) {
+      smash = { inherit smash-exe-testing; };
+    };
 
     checks = recurseIntoAttrs {
       # `checks.tests` collect results of executing the tests:

nix/haskell.nix

@@ -7,26 +7,24 @@
 , buildPackages
 , config ? {}
 # GHC attribute name
-, compiler ? config.haskellNix.compiler or "ghc865"
+, compiler
+# Source root directory
+, src
 # Enable profiling
 , profiling ? config.haskellNix.profiling or false
+, projectPackagesNames
+# Disable basic auth by default:
+, flags ? [ "disable-basic-auth" ]
 }:
 let
 
-  src = haskell-nix.haskellLib.cleanGit {
-      name = "smash-src";
-      src = ../.;
-  };
-
-  projectPackages = lib.attrNames (haskell-nix.haskellLib.selectProjectPackages
-    (haskell-nix.cabalProject { inherit src; }));
-
   # This creates the Haskell package set.
   # https://input-output-hk.github.io/haskell.nix/user-guide/projects/
   pkgSet = haskell-nix.cabalProject {
     inherit src;
     compiler-nix-name = compiler;
     modules = [
+
       # Allow reinstallation of Win32
       { nonReinstallablePkgs =
         [ "rts" "ghc-heap" "ghc-prim" "integer-gmp" "integer-simple" "base"
@@ -44,12 +42,14 @@ let
         ];
       }
       {
-        # Disable basic auth:
-        packages.smash.flags.disable-basic-auth = true;
+        # Set flags
+        packages = lib.genAttrs projectPackagesNames (_: {
+          flags = lib.genAttrs flags (_: true);
+        });
       }
       # TODO: Compile all local packages with -Werror:
       #{
-      #  packages = lib.genAttrs projectPackages
+      #  packages = lib.genAttrs projectPackagesNames
       #    (name: { configureFlags = [ "--ghc-option=-Werror" ]; });
       #}
     ];

nix/pkgs.nix

@@ -2,13 +2,30 @@
 pkgs: _: with pkgs;
   let
     compiler = config.haskellNix.compiler or "ghc865";
+    src = haskell-nix.haskellLib.cleanGit {
+      name = "smash-src";
+      src = ../.;
+    };
+    projectPackagesNames = lib.attrNames (haskell-nix.haskellLib.selectProjectPackages
+      (haskell-nix.cabalProject { inherit src; compiler-nix-name = compiler; }));
   in {
+
+    inherit projectPackagesNames;
+
+
     smashHaskellPackages = callPackage ./haskell.nix {
-      inherit compiler;
+      inherit compiler src projectPackagesNames;
+    };
+
+    smashTestingHaskellPackages = callPackage ./haskell.nix {
+      inherit compiler src projectPackagesNames;
+      flags = [ "testing-mode" ];
     };
 
   # Grab the executable component of our package.
   inherit (smashHaskellPackages.smash.components.exes)
       smash-exe;
 
+  smash-exe-testing = smashTestingHaskellPackages.smash.components.exes.smash-exe;
+
 }

shell.nix

@@ -13,7 +13,7 @@ let
   shell = smashHaskellPackages.shellFor {
     name = "cabal-dev-shell";
 
-    packages = ps: lib.attrValues (haskell-nix.haskellLib.selectProjectPackages ps);
+    packages = ps: attrValues (lib.getAttrs projectPackagesNames ps);
 
     # These programs will be available inside the nix-shell.
     buildInputs = with haskellPackages; [