From bc2dcee3a131084ce99b6069b5202ef0e5af1b2b Mon Sep 17 00:00:00 2001
From: Jean-Paul Calderone <exarkun@twistedmatrix.com>
Date: Wed, 7 Jul 2021 13:48:07 -0400
Subject: [PATCH] try with the Haskell.nix-recommended shell.nix
---
shell.nix | 15 +++++++++------
1 file changed, 9 insertions(+), 6 deletions(-)
diff --git a/shell.nix b/shell.nix
index b474e00..72dc0e0 100644
--- a/shell.nix
+++ b/shell.nix
@@ -1,6 +1,9 @@
-{ pkgs ? import <nixpkgs> { } }:
-pkgs.mkShell {
- buildInputs = [
- pkgs.stack
- ];
-}
+# shell.nix
+let
+ project = import ./default.nix;
+in
+ project.shellFor {
+ # Prevents cabal from choosing alternate plans, so that
+ # *all* dependencies are provided by Nix.
+ exactDeps = true;
+ }
--
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