From 68f4c70b7ff37ba8f8e533d01602a9dcd53f687e Mon Sep 17 00:00:00 2001
From: Mateusz Galazyn <mateusz.galazyn@iohk.io>
Date: Tue, 7 Jan 2025 09:06:17 +0100
Subject: [PATCH] Hacky fix: restrict data-default < 0.8

---
 cabal.project                          | 2 --
 cardano-cli/cardano-cli.cabal          | 1 +
 cardano-cli/src/Cardano/CLI/Orphans.hs | 3 +++
 3 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/cabal.project b/cabal.project
index b9b1fe9574..f6d0209cf4 100644
--- a/cabal.project
+++ b/cabal.project
@@ -38,8 +38,6 @@ if os(windows)
 
 constraints: any.text source
 
-constraints: data-default < 0.8
-
 -- Depending on C++ for just so slightly faster utf8 parsing is a bit annoying
 -- especially as it brings in all kinds of complications for GHC.
 package text
diff --git a/cardano-cli/cardano-cli.cabal b/cardano-cli/cardano-cli.cabal
index d70597a13b..35ff1320bb 100644
--- a/cardano-cli/cardano-cli.cabal
+++ b/cardano-cli/cardano-cli.cabal
@@ -222,6 +222,7 @@ library
     containers,
     contra-tracer,
     cryptonite,
+    data-default <0.8,
     deepseq,
     directory,
     exceptions,
diff --git a/cardano-cli/src/Cardano/CLI/Orphans.hs b/cardano-cli/src/Cardano/CLI/Orphans.hs
index 3f831a55af..91ebaea020 100644
--- a/cardano-cli/src/Cardano/CLI/Orphans.hs
+++ b/cardano-cli/src/Cardano/CLI/Orphans.hs
@@ -14,6 +14,9 @@ import qualified Cardano.Api.Ledger as L
 import           Cardano.Api.Shelley (scriptDataToJsonDetailedSchema)
 
 import           Data.Aeson
+import           Data.Default ()
+
+-- FIXME remove Data.Default () import. This is only to force usage of data-default < 0.8 and to work around unused pacakge warning.
 
 -- TODO upstream this orphaned instance to the ledger
 instance (L.EraTxOut ledgerera, L.EraGov ledgerera) => ToJSON (L.NewEpochState ledgerera) where