top-level/release-haskell.nix: test writers on all platforms

Since the rust writer doesn't seem to get fixed on darwin, we'll just
wrap the haskell writer test in our own derivation (which is possible
since tests.writers exposes a bunch of internals via passthru) and
expose it via tests.haskell which are already in mergeable.

Finally a way to test the (hopefully) working haskell writer on darwin
again!

1 files changed, 1 insertions, 0 deletions

diff --git a/pkgs/test/haskell/default.nix b/pkgs/test/haskell/default.nix
index eb389f4051f..03e4f346155 100644
--- a/pkgs/test/haskell/default.nix
+++ b/pkgs/test/haskell/default.nix
@@ -4,4 +4,5 @@ lib.recurseIntoAttrs {
   shellFor = callPackage ./shellFor { };
   documentationTarball = callPackage ./documentationTarball { };
   setBuildTarget = callPackage ./setBuildTarget { };
+  writers = callPackage ./writers { };
 }