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https://github.com/ilyakooo0/haskell.nix.git
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da44734265
This was a nice idea, but in practice it did not work unless you were explicitly extracting just `config`, `overlays` and `system` (see #542). ``` ~/iohk/haskell.nix$ nix-build -E 'import <nixpkgs> (import ./.)' error: anonymous function at /nix/store/f7mwvx7gl8lwjiqmpv60xapc3crvc474-nixpkgs-20.03pre194824.1f56d679f40/nixpkgs/pkgs/top-level/default.nix:20:1 called with unexpected argument '__functor', at /nix/store/f7mwvx7gl8lwjiqmpv60xapc3crvc474-nixpkgs-20.03pre194824.1f56d679f40/nixpkgs/pkgs/top-level/impure.nix:84:1 ``` This change will replace #542 errors with #709 errors.
34 lines
973 B
Nix
34 lines
973 B
Nix
{ checkMaterialization ? false # Allows us to easily switch on materialization checking
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, defaultCompilerNixName ? null # Quick way to override the default compiler e.g. "ghc883"
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, system ? builtins.currentSystem
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, sourcesOverride ? {}
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, ... }@args: rec {
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sources = (import ./nix/sources.nix) // sourcesOverride;
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config = import ./config.nix;
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overlays = [ allOverlays.combined ] ++ (
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if checkMaterialization == true
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then [(
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final: prev: {
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haskell-nix = prev.haskell-nix // {
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checkMaterialization = true;
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};
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}
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)]
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else []
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) ++ (
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if defaultCompilerNixName != null
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then [(
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final: prev: {
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haskell-nix = prev.haskell-nix // {
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inherit defaultCompilerNixName;
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};
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}
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)]
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else []
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);
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allOverlays = import ./overlays args;
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nixpkgsArgs = { inherit config overlays system; };
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pkgs = import sources.nixpkgs-default nixpkgsArgs;
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}
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