From b9809328e8257f35177b33ab71f8e5a990ff265f Mon Sep 17 00:00:00 2001
From: Julian Ospald <hasufell@posteo.de>
Date: Sat, 30 Mar 2024 14:24:45 +0800
Subject: [PATCH] Make sure GHC prerelease pipeline works

---
 .github/workflows/install-bindist.sh | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/install-bindist.sh b/.github/workflows/install-bindist.sh
index 2268ea3..a6c3f1f 100755
--- a/.github/workflows/install-bindist.sh
+++ b/.github/workflows/install-bindist.sh
@@ -111,12 +111,21 @@ case $TOOL in
 		ghc --info
 		ghc -prof main.hs
 		[[ $(./main +RTS -s) -eq 2 ]]
-		ghcup_fun install cabal recommended
+		ghcup install cabal recommended
 		cabal --version
 		cabal update
-		cabal install --lib --package-env=. clock
-        # https://github.com/haskell/ghcup-hs/issues/966
-		cabal install --lib --package-env=. hashable
+		case "${CHANNEL}" in
+			Prerelease|prereleasee)
+				cabal install --lib --package-env=. --allow-newer clock
+				# https://github.com/haskell/ghcup-hs/issues/966
+				cabal install --lib --package-env=. --allow-newer --constraint='filepath <1.5' hashable
+				;;
+			*)
+				cabal install --lib --package-env=. clock
+				# https://github.com/haskell/ghcup-hs/issues/966
+				cabal install --lib --package-env=. hashable
+				;;
+		esac
 		case "$(uname -s)" in
 			MSYS_*|MINGW*)
 				;;