Pin nixpkgs to use the same GHC (8.8.3)
commit6b88465597a6bdc0c53bcafe3ec81ce7db41c464
authorSridhar Ratnakumar <srid@srid.ca>
dateWed 29 Jul 2020, 20:48 (6 years ago)
parent6168898
default.nix+6−3
@@ -1,13 +1,16 @@
11let
2− pkgs = import <nixpkgs> { };
2+ nixpkgsRev = "0f5ce2fac0c726036ca69a5524c59a49e2973dd4";
3+ nixpkgsSha = "0nkk492aa7pr0d30vv1aw192wc16wpa1j02925pldc09s9m9i0r3";
4+ pkgs = import (builtins.fetchTarball {
5+ url = "https://github.com/nixos/nixpkgs/archive/${nixpkgsRev}.tar.gz";
6+ sha256 = nixpkgsSha;
7+ }) {};
38in
49 pkgs.haskellPackages.developPackage {
510 root = ./.;
611 modifier = drv:
712 pkgs.haskell.lib.addBuildTools drv (with pkgs.haskellPackages;
813 [ cabal-install
9− # nix-shell --run "cabal-fmt -i *.cabal"
10− cabal-fmt
1114 ghcid
1215 ]);
1316 }