From 8ec3faac522b9538dc7a1b339ec1156b92ddf43e Mon Sep 17 00:00:00 2001
From: "(cdep)illabout" <cdep.illabout@gmail.com>
Date: Mon, 21 Jun 2021 13:33:24 +0900
Subject: [PATCH] spago: patch for newer versions library

---
 .../haskell-modules/configuration-nix.nix            | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/haskell-modules/configuration-nix.nix b/pkgs/development/haskell-modules/configuration-nix.nix
index d01203e5ea36..0e364a546faa 100644
--- a/pkgs/development/haskell-modules/configuration-nix.nix
+++ b/pkgs/development/haskell-modules/configuration-nix.nix
@@ -577,7 +577,17 @@ self: super: builtins.intersectAttrs super {
         sha256 = "1hjdprm990vyxz86fgq14ajn0lkams7i00h8k2i2g1a0hjdwppq6";
       };
 
-      spagoWithOverrides = super.spago.override {
+      spagoWithPatches = appendPatch super.spago (
+        # Spago needs a small patch to work with versions-5.0.0:
+        # https://github.com/purescript/spago/pull/798
+        # This can probably be removed with >spago-0.20.3.
+        pkgs.fetchpatch {
+          url = "https://github.com/purescript/spago/commit/dd4bf4413d9675c1c8065d24d0ed7b345c7fa5dd.patch";
+          sha256 = "1i1r3f4n9mlkckx15bfrdy5m7gjf0zx7ycwyqra6qn34zpcbzpmf";
+        }
+      );
+
+      spagoWithOverrides = spagoWithPatches.override {
         # spago has not yet been updated for the latest dhall.
         dhall = self.dhall_1_38_1;
       };