@@ -1,36 +0,0 @@
1−let
2− nixpkgsSrc = builtins.fetchTarball {
3− url = "https://github.com/nixos/nixpkgs/archive/76f2e271a2ef.tar.gz";
4− sha256 = "1r4da3kyghqq7vzya5yb295jpnha1fgp755bi6wda4fmhyaynnsp";
5− };
6− gitignoreSrc = builtins.fetchTarball {
7− url = "https://github.com/hercules-ci/gitignore/archive/c4662e6.tar.gz";
8− sha256 = "1npnx0h6bd0d7ql93ka7azhj40zgjp815fw2r6smg8ch9p7mzdlx";
9− };
10− inherit (import gitignoreSrc { inherit (pkgs); }) gitignoreSource;
11−in {
12− compiler ? "default",
13− pkgs ? import nixpkgsSrc {},
14−}:
15− let
16− haskellPackages =
17− if compiler == "default"
18− then pkgs.haskellPackages
19− else pkgs.haskell.packages.${compiler};
20− projectDrv =
21− haskellPackages.override {
22− overrides = self: super: with pkgs.haskell.lib; {
23− jrec = self.callCabal2nix "jrec" (gitignoreSource ./.) {};
24− # https://github.com/lspitzner/data-tree-print/pull/2
25− data-tree-print = doJailbreak super.data-tree-print;
26− };
27− };
28− projectShell =
29− projectDrv.shellFor {
30− packages = p: [ p.jrec ];
31− buildInputs = with projectDrv; [
32− cabal-install
33− ];
34− };
35− in
36− if pkgs.lib.inNixShell then projectShell else projectDrv.jrec