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25 lines
893 B
Nix
25 lines
893 B
Nix
{ rev ? "c542baa0c894796c92a8173dead027f3b952c22e"
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, pkgs ?
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if ((rev == "") || (rev == "default") || (rev == "local"))
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then import <nixpkgs> {}
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# Do not guard with hash, so the project is able to use current channels (rolling `rev`) of Nixpkgs
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else import (builtins.fetchTarball "https://github.com/NixOS/nixpkgs/archive/${rev}.tar.gz") {}
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// {
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# Try to build dependencies even if they are marked broken.
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config.allowBroken = true;
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}
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}: let
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overlay = import ./overlay.nix pkgs pkgs.haskell.lib;
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overrideHaskellPackages = orig: {
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buildHaskellPackages =
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orig.buildHaskellPackages.override overrideHaskellPackages;
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overrides = if orig ? overrides
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then pkgs.lib.composeExtensions orig.overrides overlay
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else overlay;
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};
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in {
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haskellPackages =
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pkgs.haskellPackages.override overrideHaskellPackages;
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inherit pkgs;
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}
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