From d286ae810d70518bd0ef914947f3a6d258b8eab3 Mon Sep 17 00:00:00 2001
From: Pepe Iborra <pepeiborra@gmail.com>
Date: Sun, 26 Jul 2020 15:35:50 +0100
Subject: [PATCH] avoid hard-coding the default compiler

---
 shell.nix | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/shell.nix b/shell.nix
index 1888767ea2..819e7ff9d8 100644
--- a/shell.nix
+++ b/shell.nix
@@ -10,8 +10,9 @@
  }:
 with nixpkgs;
 
-let haskellPackagesForProject = p:
-        if compiler == "default" || compiler == "ghc883"
+let defaultCompiler = "ghc" + lib.replaceStrings ["."] [""] haskellPackages.ghc.version;
+    haskellPackagesForProject = p:
+        if compiler == "default" || compiler == defaultCompiler
             then haskellPackages.ghcWithPackages p
             # for all other compilers there is no Nix cache so dont bother building deps with NIx
             else haskell.packages.${compiler}.ghcWithPackages [];