From 9c67ad09c761e8b9000f4d1625b288510023f19d Mon Sep 17 00:00:00 2001
From: Hamish Mackenzie <Hamish.K.Mackenzie@gmail.com>
Date: Thu, 22 Jun 2023 15:12:11 +1200
Subject: [PATCH 1/2] Workaround for --override-input CHaP

This helps haskell.nix find the package source correctly.
---
 flake.nix | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/flake.nix b/flake.nix
index a9c487c211..ae6c8f0ba9 100644
--- a/flake.nix
+++ b/flake.nix
@@ -66,7 +66,13 @@
           inputMap = {
             "https://input-output-hk.github.io/cardano-haskell-packages" = inputs.CHaP;
           };
-
+          # Also currently needed to make `nix flake lock --update-input CHaP` work.
+          cabalProjectLocal = ''
+            repository cardano-haskell-packages-local
+              url: file:${inputs.CHaP}
+              secure: True
+            active-repositories: hackage.haskell.org, cardano-haskell-packages-local
+          '';
           # tools we want in our shell, from hackage
           shell.tools =
             {

From 2c29490383e1784a1bb5539f6fc82b1b51c2ce80 Mon Sep 17 00:00:00 2001
From: Samuel Leathers <samuel.leathers@iohk.io>
Date: Thu, 22 Jun 2023 15:32:36 -0400
Subject: [PATCH 2/2] flake: expose project

---
 flake.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/flake.nix b/flake.nix
index ae6c8f0ba9..c6987f54d5 100644
--- a/flake.nix
+++ b/flake.nix
@@ -123,6 +123,7 @@
           );
       in
         nixpkgs.lib.recursiveUpdate flake rec {
+          project = cabalProject;
           # add a required job, that's basically all hydraJobs.
           hydraJobs =
             nixpkgs.callPackages inputs.iohkNix.utils.ciJobsAggregates