57 lines
1.9 KiB
Nix
57 lines
1.9 KiB
Nix
{ pkgs, stdenv, ghc
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, packageSetConfig ? (self: super: {})
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, overrides ? (self: super: {})
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, provideOldAttributeNames ? false
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}:
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with ./lib.nix;
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let
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fix = f: let x = f x // { __unfix__ = f; }; in x;
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extend = rattrs: f: self: let super = rattrs self; in super // f self super;
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haskellPackages = self:
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let
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mkDerivation = pkgs.callPackage ./generic-builder.nix {
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inherit stdenv;
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inherit (pkgs) fetchurl pkgconfig glibcLocales coreutils gnugrep gnused;
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inherit (self) ghc jailbreak-cabal;
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hscolour = overrideCabal self.hscolour (drv: {
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isLibrary = false;
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noHaddock = true;
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hyperlinkSource = false; # Avoid depending on hscolour for this build.
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postFixup = "rm -rf $out/lib $out/share $out/nix-support";
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});
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};
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overrideCabal = drv: f: drv.override (args: args // {
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mkDerivation = drv: args.mkDerivation (drv // f drv);
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});
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callPackageWithScope = scope: drv: args: (stdenv.lib.callPackageWith scope drv args) // {
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overrideScope = f: callPackageWithScope (fix (extend scope.__unfix__ f)) drv args;
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};
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defaultScope = pkgs // pkgs.xlibs // pkgs.gnome // self;
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callPackage = drv: args: callPackageWithScope defaultScope drv args;
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in
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import ./hackage-packages.nix { inherit pkgs stdenv callPackage; } self // {
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inherit mkDerivation callPackage;
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ghcWithPackages = pkgs: callPackage ./with-packages-wrapper.nix { packages = pkgs self; };
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ghc = ghc // { withPackages = self.ghcWithPackages; };
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};
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compatLayer = if provideOldAttributeNames then import ./compat-layer.nix else (self: super: {});
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commonConfiguration = import ./configuration-common.nix { inherit pkgs; };
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in
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fix (extend (extend (extend (extend haskellPackages commonConfiguration) packageSetConfig) overrides) compatLayer)
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