From b23b370052efe85a0235a8865fc7613cdc1942d3 Mon Sep 17 00:00:00 2001
From: Alex Tunstall <alex@tunstall.xyz>
Date: Thu, 9 Apr 2026 17:13:35 +0100
Subject: [PATCH] top-level/release-haskell.nix: test GHC boot pkgs

Test the GHC boot packages that are known to work with MicroHs and mark
those that don't work as broken.
---
 .../haskell-modules/configuration-microhs.nix | 12 ++---
 pkgs/top-level/release-haskell.nix            | 45 ++++++++++++++++---
 2 files changed, 45 insertions(+), 12 deletions(-)

diff --git a/pkgs/development/haskell-modules/configuration-microhs.nix b/pkgs/development/haskell-modules/configuration-microhs.nix
index bdf91c6423ed..afeb84ac4217 100644
--- a/pkgs/development/haskell-modules/configuration-microhs.nix
+++ b/pkgs/development/haskell-modules/configuration-microhs.nix
@@ -33,7 +33,7 @@ self: super: {
   };
 
   # hackage-packages does not include GHC core libraries
-  binary = self.binary_0_8_9_3;
+  binary = markBroken self.binary_0_8_9_3;
   Cabal = self.Cabal_3_16_1_0;
   Cabal-syntax = self.Cabal-syntax_3_16_1_0;
   containers = self.containers_0_8;
@@ -49,13 +49,13 @@ self: super: {
   ghc-prim = null;
   ghci = null;
   haskeline = self.haskeline_0_8_4_1;
-  hpc = self.hpc_0_7_0_2;
-  integer-gmp = self.integer-gmp_1_1;
+  hpc = markBroken self.hpc_0_7_0_2;
+  integer-gmp = markBroken self.integer-gmp_1_1;
   libiserv = null;
   mtl = self.mtl_2_3_2;
   os-string = self.os-string_2_0_10;
   parsec = self.parsec_3_1_18_0;
-  pretty = self.pretty_1_1_3_6;
+  pretty = markBroken self.pretty_1_1_3_6;
   rts = null;
   semaphore-compat = null;
   stm = null;
@@ -64,8 +64,8 @@ self: super: {
   terminfo = self.terminfo_0_4_1_7;
   time = self.time_1_15;
   transformers = self.transformers_0_6_3_0;
-  unix = self.unix_2_8_8_0;
-  xhtml = self.xhtml_3000_4_0_0;
+  unix = markBroken self.unix_2_8_8_0;
+  xhtml = markBroken self.xhtml_3000_4_0_0;
 
   # MicroHs replacements for widely used libraries
   array = self.array-mhs;
diff --git a/pkgs/top-level/release-haskell.nix b/pkgs/top-level/release-haskell.nix
index fab634c34802..94d921fe217f 100644
--- a/pkgs/top-level/release-haskell.nix
+++ b/pkgs/top-level/release-haskell.nix
@@ -575,17 +575,50 @@ let
         compilerNames.ghc9123
       ] released;
 
-      # MicroHs
-      array = [
-        compilerNames.microhs
-      ];
+      # MicroHs core packages
       ghc-compat = [
         compilerNames.microhs
       ];
-      hscolour = [
+      MicroCabal = [
         compilerNames.microhs
       ];
-      MicroCabal = [
+
+      # MicroHs-specific replacement packages
+      array = [
+        compilerNames.microhs
+      ];
+
+      # GHC boot packages known to be compatible with MicroHs
+      containers = [
+        compilerNames.microhs
+      ];
+      exceptions = [
+        compilerNames.microhs
+      ];
+      filepath = [
+        compilerNames.microhs
+      ];
+      mtl = [
+        compilerNames.microhs
+      ];
+      os-string = [
+        compilerNames.microhs
+      ];
+      parsec = [
+        compilerNames.microhs
+      ];
+      terminfo = [
+        compilerNames.microhs
+      ];
+      time = [
+        compilerNames.microhs
+      ];
+      transformers = [
+        compilerNames.microhs
+      ];
+
+      # MicroHs upstream tested
+      hscolour = [
         compilerNames.microhs
       ];
       random = [