From b1c8ee6f6e82e534285ab4996b57a5043ab7d9bd Mon Sep 17 00:00:00 2001
From: Adam Gundry <adam@well-typed.com>
Date: Thu, 13 Jun 2024 02:52:12 +0100
Subject: [PATCH] solver: Prevent ghc-internal from being reinstalled (see
 #10087) (#10093)

GHC 9.10 ships with a new wired-in package, ghc-internal, which cannot
be reinstalled. This commit prevents cabal-install from attempting it.

Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
---
 cabal-install/src/Distribution/Client/Dependency.hs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cabal-install/src/Distribution/Client/Dependency.hs b/cabal-install/src/Distribution/Client/Dependency.hs
index 66a0a103c23..3f6a7fea32a 100644
--- a/cabal-install/src/Distribution/Client/Dependency.hs
+++ b/cabal-install/src/Distribution/Client/Dependency.hs
@@ -463,6 +463,7 @@ nonReinstallablePackages :: [PackageName]
 nonReinstallablePackages =
   [ mkPackageName "base"
   , mkPackageName "ghc-bignum"
+  , mkPackageName "ghc-internal"
   , mkPackageName "ghc-prim"
   , mkPackageName "ghc"
   , mkPackageName "integer-gmp"