From 412b2983eddf027eaa443d7925da2a9e394f07ab Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Emil=20K=C3=B8hler=20Warmdahl?= <ekw@concordium.com>
Date: Tue, 5 Nov 2024 11:13:45 +0100
Subject: [PATCH] Add constraints to cabal install

---
 scripts/ghc-alpine-build.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/ghc-alpine-build.sh b/scripts/ghc-alpine-build.sh
index 847806b8..2201b6ce 100644
--- a/scripts/ghc-alpine-build.sh
+++ b/scripts/ghc-alpine-build.sh
@@ -5,7 +5,7 @@ set -ex
 . "$HOME/.ghcup/env"
 
 cd ghc/
-cabal install happy alex --install-method=copy
+cabal install happy alex --install-method=copy --constraint 'happy =< 1.20'
 cp ~/.cabal/bin/* /usr/bin
 
 # Build GHC