nixpkgs/pkgs/development/haskell-modules/default.nix
Jan Malakhovski d8487667cf haskell-packages: bring hoogle to the masses by imlementing ghcWithHoogle
Replace `ghcWithPackages` to `ghcWithHoogle` in your config and enjoy.
2015-08-18 19:56:16 +00:00

81 lines
2.6 KiB
Nix

{ pkgs, stdenv, ghc
, packageSetConfig ? (self: super: {})
, overrides ? (self: super: {})
}:
let
fix = f: let x = f x // { __unfix__ = f; }; in x;
extend = rattrs: f: self: let super = rattrs self; in super // f self super;
haskellPackages = self:
let
mkDerivation = pkgs.callPackage ./generic-builder.nix {
inherit stdenv;
inherit (pkgs) fetchurl pkgconfig glibcLocales coreutils gnugrep gnused;
inherit (self) ghc jailbreak-cabal;
hscolour = overrideCabal self.hscolour (drv: {
isLibrary = false;
doHaddock = false;
hyperlinkSource = false; # Avoid depending on hscolour for this build.
postFixup = "rm -rf $out/lib $out/share $out/nix-support";
});
cpphs = overrideCabal (self.cpphs.overrideScope (self: super: {
mkDerivation = drv: super.mkDerivation (drv // {
enableSharedExecutables = false;
enableSharedLibraries = false;
doHaddock = false;
useCpphs = false;
});
})) (drv: {
isLibrary = false;
postFixup = "rm -rf $out/lib $out/share $out/nix-support";
});
};
overrideCabal = drv: f: drv.override (args: args // {
mkDerivation = drv: args.mkDerivation (drv // f drv);
});
callPackageWithScope = scope: drv: args: (stdenv.lib.callPackageWith scope drv args) // {
overrideScope = f: callPackageWithScope (mkScope (fix (extend scope.__unfix__ f))) drv args;
};
mkScope = scope: pkgs // pkgs.xlibs // pkgs.gnome // scope;
defaultScope = mkScope self;
callPackage = drv: args: callPackageWithScope defaultScope drv args;
withPackages = packages: callPackage ./with-packages-wrapper.nix {
inherit (self) llvmPackages;
haskellPackages = self;
inherit packages;
};
in
import ./hackage-packages.nix { inherit pkgs stdenv callPackage; } self // {
inherit mkDerivation callPackage;
ghcWithPackages = selectFrom: withPackages (selectFrom self);
ghcWithHoogle = selectFrom:
let
packages = selectFrom self;
hoogle = callPackage ./hoogle.nix { inherit packages; };
in withPackages (packages ++ [ hoogle ]);
ghc = ghc // {
withPackages = self.ghcWithPackages;
withHoogle = self.ghcWithHoogle;
};
};
commonConfiguration = import ./configuration-common.nix { inherit pkgs; };
in
fix (extend (extend (extend haskellPackages commonConfiguration) packageSetConfig) overrides)