# Defines an overlay for overriding Haskell packages, for example to # avoid breakage currently present in nixpkgs or to modify package # versions. { lib, ... }: self: super: # overlay parameters for the nixpkgs overlay let haskellLib = self.haskell.lib.compose; in { haskellPackages = super.haskellPackages.override { overrides = hsSelf: hsSuper: { ihp-hsx = lib.pipe hsSuper.ihp-hsx [ (haskellLib.overrideSrc { version = "1.1.0"; src = "${self.fetchFromGitHub { owner = "digitallyinduced"; repo = "ihp"; rev = "b5d47963c998ccd779aa5c3d46484338fd621f0d"; sha256 = "sha256-M22W8VX4sRaeU2yVraR0S2t2VOwWGmoteD/M8TahdoE="; }}/ihp-hsx"; }) haskellLib.doJailbreak ]; pa-prelude = hsSelf.callPackage ./extra-pkgs/pa-prelude.nix { }; pa-error-tree = hsSelf.callPackage ./extra-pkgs/pa-error-tree-0.1.0.0.nix { }; pa-field-parser = hsSelf.callPackage ./extra-pkgs/pa-field-parser.nix { }; pa-label = hsSelf.callPackage ./extra-pkgs/pa-label.nix { }; pa-pretty = hsSelf.callPackage ./extra-pkgs/pa-pretty-0.1.1.0.nix { }; pa-json = hsSelf.callPackage ./extra-pkgs/pa-json.nix { }; pa-run-command = hsSelf.callPackage ./extra-pkgs/pa-run-command-0.1.0.0.nix { }; }; }; haskell = lib.recursiveUpdate super.haskell { packages.ghc8107 = super.haskell.packages.ghc8107.override { overrides = hsSelf: hsSuper: { # TODO(sterni): TODO(grfn): patch xanthous to work with random-fu 0.3.*, # so we can use GHC 9.0.2 and benefit from upstream binary cache. random-fu = hsSelf.callPackage ./extra-pkgs/random-fu-0.2.nix { }; rvar = hsSelf.callPackage ./extra-pkgs/rvar-0.2.nix { }; # TODO(grfn): port to brick 1.4 (EventM gains an additional type argument in 1.0) brick = hsSelf.callPackage ./extra-pkgs/brick-0.73.nix { }; }; }; }; }