Use GHC 8.10.7 for basic M1 support

Author: Damien Biasotto

default.nix

@@ -1,2 +1,2 @@
-{ pkgs ? import (fetchTarball "https://github.com/NixOS/nixpkgs/archive/7e9b0dff974c89e070da1ad85713ff3c20b0ca97.tar.gz") {}, compiler ? "ghc8104" }:
+{ pkgs ? import (fetchTarball "https://github.com/NixOS/nixpkgs/archive/5c37ad87222cfc1ec36d6cd1364514a9efc2f7f2.tar.gz") {}, compiler ? "ghc8107" }:
 pkgs.pkgs.haskell.packages.${compiler}.callPackage ./haskellings.nix { }

haskellings.nix

@@ -4,7 +4,7 @@
 }:
 mkDerivation {
   pname = "haskellings";
-  version = "0.9.0.0";
+  version = "0.9.1.0";
   src = ./.;
   isLibrary = true;
   isExecutable = true;

package.yaml

@@ -1,5 +1,5 @@
 name:                haskellings
-version:             0.9.0.0
+version:             0.9.1.0
 github:              "MondayMorningHaskell/haskellings"
 license:             BSD3
 author:              "James Bowen"

shell.nix

@@ -1,14 +1,14 @@
-{ pkgs ? import (fetchTarball "https://github.com/NixOS/nixpkgs/archive/7e9b0dff974c89e070da1ad85713ff3c20b0ca97.tar.gz") {}, compiler ? "ghc8104" }:
+{ pkgs ? import (fetchTarball "https://github.com/NixOS/nixpkgs/archive/5c37ad87222cfc1ec36d6cd1364514a9efc2f7f2.tar.gz") {}, compiler ? "ghc8107" }:
 
 pkgs.mkShell {
-  buildInputs = with pkgs; [ 
-    haskell.compiler.ghc8104
+  buildInputs = with pkgs; [
+    haskell.compiler.ghc8107
     which
     (import ./default.nix { inherit pkgs compiler; })
   ];
 
   shellHook = ''
     __GHCPATH=$(echo $(which ghc))
-    echo "ghc_path: $__GHCPATH" > config.yaml 
+    echo "ghc_path: $__GHCPATH" > config.yaml
   '';
 }

src/Haskellings/Constants.hs

@@ -36,16 +36,16 @@ import           System.Environment
 -- | The GHC version currently used by Haskellings. We use this
 --   to locate the appropriate GHC executable.
 ghcVersion :: String
-ghcVersion = "ghc-8.10.4"
+ghcVersion = "ghc-8.10.7"
 
 -- | The version number, isolated from any prefix. Also helps in
 --   finding certain directories.
 ghcVersionNumber :: String
-ghcVersionNumber = "8.10.4"
+ghcVersionNumber = "8.10.7"
 
 -- | The current Haskellings program version.
 haskellingsVersion :: String
-haskellingsVersion = "0.9.0.0"
+haskellingsVersion = "0.9.1.0"
 
 -- | The project root directory name. We need to find the project root
 --   in order to locate the exercises.