Use legacyPackages; and update nixpkgs

This commit is contained in:
Sridhar Ratnakumar 2022-03-17 10:16:54 -04:00
parent 86787f812a
commit 881ad2913c
2 changed files with 9 additions and 8 deletions

8
flake.lock generated
View file

@ -33,17 +33,17 @@
}, },
"nixpkgs": { "nixpkgs": {
"locked": { "locked": {
"lastModified": 1645013224, "lastModified": 1647350163,
"narHash": "sha256-b7OEC8vwzJv3rsz9pwnTX2LQDkeOWz2DbKypkVvNHXc=", "narHash": "sha256-OcMI+PFEHTONthXuEQNddt16Ml7qGvanL3x8QOl2Aao=",
"owner": "nixos", "owner": "nixos",
"repo": "nixpkgs", "repo": "nixpkgs",
"rev": "b66b39216b1fef2d8c33cc7a5c72d8da80b79970", "rev": "3eb07eeafb52bcbf02ce800f032f18d666a9498d",
"type": "github" "type": "github"
}, },
"original": { "original": {
"owner": "nixos", "owner": "nixos",
"repo": "nixpkgs", "repo": "nixpkgs",
"rev": "b66b39216b1fef2d8c33cc7a5c72d8da80b79970", "rev": "3eb07eeafb52bcbf02ce800f032f18d666a9498d",
"type": "github" "type": "github"
} }
}, },

View file

@ -1,7 +1,7 @@
{ {
description = "haskell-template's description"; description = "haskell-template's description";
inputs = { inputs = {
nixpkgs.url = "github:nixos/nixpkgs/b66b39216b1fef2d8c33cc7a5c72d8da80b79970"; nixpkgs.url = "github:nixos/nixpkgs/3eb07eeafb52bcbf02ce800f032f18d666a9498d";
flake-utils.url = "github:numtide/flake-utils"; flake-utils.url = "github:numtide/flake-utils";
flake-utils.inputs.nixpkgs.follows = "nixpkgs"; flake-utils.inputs.nixpkgs.follows = "nixpkgs";
flake-compat.url = "github:edolstra/flake-compat"; flake-compat.url = "github:edolstra/flake-compat";
@ -11,12 +11,13 @@
outputs = inputs@{ self, nixpkgs, flake-utils, ... }: outputs = inputs@{ self, nixpkgs, flake-utils, ... }:
flake-utils.lib.eachDefaultSystem (system: flake-utils.lib.eachDefaultSystem (system:
let let
overlays = [ ]; # Because: https://zimbatm.com/notes/1000-instances-of-nixpkgs
pkgs = pkgs = nixpkgs.legacyPackages.${system};
import nixpkgs { inherit system overlays; config.allowBroken = true; };
# Change GHC version here. To get the appropriate value, run: # Change GHC version here. To get the appropriate value, run:
# nix-env -f "<nixpkgs>" -qaP -A haskell.compiler # nix-env -f "<nixpkgs>" -qaP -A haskell.compiler
hp = pkgs.haskellPackages; # pkgs.haskell.packages.ghc921; hp = pkgs.haskellPackages; # pkgs.haskell.packages.ghc921;
project = returnShellEnv: project = returnShellEnv:
hp.developPackage { hp.developPackage {
inherit returnShellEnv; inherit returnShellEnv;