From f404a2920724376dd0533acb44219788aa4fdc86 Mon Sep 17 00:00:00 2001
From: Jean-Baptiste Giraudeau <jb@giraudeau.info>
Date: Wed, 18 Jan 2023 11:40:14 +0100
Subject: [PATCH] fix index-state and version of tools to avoid rebuilds and
 compile errors

---
 nix/pkgs.nix | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/nix/pkgs.nix b/nix/pkgs.nix
index d8fb33173f6..0a5eb75b507 100644
--- a/nix/pkgs.nix
+++ b/nix/pkgs.nix
@@ -9,29 +9,26 @@ final: prev: with final; {
       cardanoNodeProject.hsPkgs))
     (name: lib.attrNames cardanoNodeProject.pkg-set.options.packages.value.${name}.components.exes);
 
-  cabal = haskell-nix.tool compiler-nix-name "cabal" {
-    version = "latest";
-    inherit (cardanoNodeProject) index-state;
-  };
+  cabal = haskell-nix.cabal-install.${compiler-nix-name};
 
   hlint = haskell-nix.tool compiler-nix-name "hlint" {
     version = "3.2.7";
-    inherit (cardanoNodeProject) index-state;
+    index-state = "2022-09-27T00:00:00Z";
   };
 
   ghcid = haskell-nix.tool compiler-nix-name "ghcid" {
     version = "0.8.7";
-    inherit (cardanoNodeProject) index-state;
+    index-state = "2022-09-27T00:00:00Z";
   };
 
   haskell-language-server = haskell-nix.tool compiler-nix-name "haskell-language-server" {
-    version = "latest";
-    inherit (cardanoNodeProject) index-state;
+    version = "1.8.0.0";
+    index-state = "2022-09-27T00:00:00Z";
   };
 
   haskellBuildUtils = prev.haskellBuildUtils.override {
     inherit compiler-nix-name;
-    inherit (cardanoNodeProject) index-state;
+    index-state = "2022-09-27T00:00:00Z";
   };
 
   cardanolib-py = callPackage ./cardanolib-py { };