Update dhall-haskell, enable tests for Hydra

.gitmodules

@@ -1,3 +0,0 @@
-[submodule "dhall-haskell"]
-	path = dhall-haskell
-	url = https://github.com/ehmry/dhall-haskell.git

default.nix

@@ -16,9 +16,7 @@ let
   toolchainOverlay = import ./toolchain-overlay;
   # Overlay of toolchain patches
 
-  nixpkgs' = import ./nixpkgs.nix;
-
-in { nixpkgs ? nixpkgs', dhall-haskell ? ./dhall-haskell.nix }:
+in { nixpkgs ? import ./nixpkgs.nix }:
 
 import nixpkgs {
   # Evaluate an overlayed Nixpkgs for a Genode target
@@ -28,5 +26,5 @@ import nixpkgs {
     isGenode = true;
     imports = [ ./platform.nix ];
   };
-  overlays = [ (toolchainOverlay dhall-haskell) pkgOverlay ];
+  overlays = [ toolchainOverlay pkgOverlay ];
 }

dhall-haskell

@@ -1 +0,0 @@
-Subproject commit 7b36df7725a5ed40ef7bd803bb0d3eabbbbde74a

dhall-haskell.nix

@@ -0,0 +1,2 @@
+let dhall-haskell = import <dhall-haskell>;
+in { linux-dhall = dhall-haskell.dhall; }

dhallPinnedNixpkgs.nix

@@ -0,0 +1,67 @@
+let
+  fetchNixpkgs =
+    { rev # The Git revision of nixpkgs to fetch
+    , owner ? "NixOS" # Owner of the Github repository
+    , sha256 # The SHA256 hash of the unpacked archive
+    , system ? builtins.currentSystem # This is overridable if necessary
+    }:
+
+    if (0 <= builtins.compareVersions builtins.nixVersion "1.12")
+
+    # In Nix 1.12, we can just give a `sha256` to `builtins.fetchTarball`.
+    then
+      (builtins.fetchTarball {
+        url = "https://github.com/${owner}/nixpkgs/archive/${rev}.tar.gz";
+        inherit sha256;
+      })
+
+      # This hack should at least work for Nix 1.11
+    else
+      ((rec {
+        tarball = import <nix/fetchurl.nix> {
+          url = "https://github.com/${owner}/nixpkgs/archive/${rev}.tar.gz";
+          sha256 = null;
+        };
+
+        builtin-paths = import <nix/config.nix>;
+
+        script = builtins.toFile "nixpkgs-unpacker" ''
+          "$coreutils/mkdir" "$out"
+          cd "$out"
+          "$gzip" --decompress < "$tarball" | "$tar" -x --strip-components=1
+        '';
+
+        nixpkgs = builtins.derivation ({
+          name = "nixpkgs-${builtins.substring 0 6 rev}";
+
+          builder = builtins.storePath builtin-paths.shell;
+
+          args = [ script ];
+
+          inherit tarball system;
+
+          tar = builtins.storePath builtin-paths.tar;
+          gzip = builtins.storePath builtin-paths.gzip;
+          coreutils = builtins.storePath builtin-paths.coreutils;
+        } // (if null == sha256 then
+          { }
+        else {
+          outputHashMode = "recursive";
+          outputHashAlgo = "sha256";
+          outputHash = sha256;
+        }));
+      }).nixpkgs);
+in {
+
+  nixpkgs = fetchNixpkgs {
+    rev = "1d4de0d552ae9aa66a5b8dee5fb0650a4372d148";
+    sha256 = "0xpqc1fhkvvv5dv1zmas2j1q27mi7j7dgyjcdh82mlgl1q63i660";
+  };
+
+  nixpkgsStaticLinux = fetchNixpkgs {
+    owner = "nh2";
+    rev = "925aac04f4ca58aceb83beef18cb7dae0715421b";
+    sha256 = "1zr8lscjl2a5cz61f0ibyx55a94v8yyp6sjzjl2gkqjrjbg99abx";
+  };
+
+}

release.nix

@@ -2,16 +2,30 @@
 #
 # SPDX-License-Identifier: LicenseRef-Hippocratic-1.1
 
-{ genodepkgs ? builtins.fetchGit ./., nixpkgs ? <nixpkgs>
-, dhall-haskell ? ./dhall-haskell.nix }:
+let dhallPinned = import ./dhallPinnedNixpkgs.nix; in
 
-let pkgs = import ./default.nix { inherit nixpkgs; };
+{ genodepkgs ? ./default.nix
+, nixpkgs ? import ./nixpkgs.nix
+, dhall-haskell ? <dhall-haskell>
+, dhallNixpkgs ? dhallPinned.nixpkgs
+, dhallNixpkgsStaticLinux ? dhallPinned.nixpkgsStaticLinux
+}:
+
+let
+  pkgs = import genodepkgs { inherit nixpkgs; };
+  dhall-haskell' = import (dhall-haskell + "/release.nix") {
+    nixpkgs = dhallNixpkgs;
+    nixpkgsStaticLinux = dhallNixpkgsStaticLinux;
+  };
 in {
   build.x86_64 = {
     inherit (pkgs) nova stdenv solo5;
     genode = removeAttrs pkgs.genode [ "override" "overrideDerivation" ];
   };
 
-  # tests.x86_64 = import ./tests { inherit pkgs; };
-    # Disable tests because of Dhall issues
+  tests = import ./tests {
+    inherit nixpkgs;
+    genodepkgs = pkgs;
+    dhall-haskell = dhall-haskell';
+  };
 }

tests/default.nix

@@ -11,18 +11,24 @@ let
     solo5 = call ./solo5.nix { };
     solo5-ping = call ./solo5-ping.nix { };
   };
-  nixpkgs' = import ./../nixpkgs.nix;
-in { nixpkgs ? nixpkgs' }:
+in
+
+{ genodepkgs ? import ./../default.nix { }
+, nixpkgs ? import ./../nixpkgs.nix
+, dhall-haskell
+}:
 
 let
-  hostPkgs = import nixpkgs { };
-  testPkgs = import ./.. { inherit nixpkgs; };
+  hostPkgs = import nixpkgs {
+    overlays = [ (self: super: { dhall = dhall-haskell.linux-dhall; }) ];
+  };
+  testPkgs = genodepkgs;
 
   lib = hostPkgs.lib // {
 
     renderDhallInit = path: args:
       hostPkgs.runCommand "init.xml" {
-        buildInputs = [ testPkgs.buildPackages.linux-dhall ];
+        buildInputs = [ hostPkgs.dhall ];
         initConfig = path;
         initArgs = args;
         DHALL_PRELUDE = "${testPkgs.dhallPackages.prelude}/package.dhall";
@@ -36,8 +42,10 @@ let
   };
 
 in {
-  linux = tests
-    (import ./driver-linux.nix { inherit testPkgs hostPkgs lib; }).callTest;
-  nova = tests
-    (import ./driver-nova.nix { inherit testPkgs hostPkgs lib; }).callTest;
+  x86_64 = {
+    linux = tests
+      (import ./driver-linux.nix { inherit testPkgs hostPkgs lib; }).callTest;
+    nova = tests
+      (import ./driver-nova.nix { inherit testPkgs hostPkgs lib; }).callTest;
+  };
 }

toolchain-overlay/default.nix

@@ -2,8 +2,6 @@
 #
 # SPDX-License-Identifier: LicenseRef-Hippocratic-1.1
 
-dhall-haskell:
-
 self: super:
 
 let
@@ -35,8 +33,6 @@ in {
       null;
   });
 
-  inherit (import dhall-haskell) linux-dhall;
-
   genodeHeaders = self.callPackage ./headers { };
 
   inherit genodelibc;