default.nix


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{ sources ? import ./nix/sources.nix
, pkgs ? import sources.nixpkgs {
    overlays = [
      (self: super: {
        apaperless = pkgs.writers.writeDashBin "apaperless" ''
          set -efu
          exec cabal run apaperless -- "$@"
        '';
      })
    ];
  }
}:
let
  haskellPackages = pkgs.haskellPackages.override {
    overrides = self: super: {
      apaperless = super.callCabal2nix "apaperless" ./. { };
    };
  };
in
rec {
  inherit (haskellPackages) apaperless;
  shell = haskellPackages.shellFor {
    packages = _: [ apaperless ];
    buildInputs = [
      haskellPackages.cabal-install
      haskellPackages.hlint
      haskellPackages.ormolu
      haskellPackages.pointfree
      pkgs.apaperless
      pkgs.ghcid
      pkgs.haskell-language-server
      pkgs.niv
      pkgs.tesseract
      pkgs.pdfsandwich
      pkgs.unpaper
    ];
    withHoogle = true;
    withHaddock = true;
    shellHook = ''
      HISTFILE=${pkgs.lib.escapeShellArg ./.}/.history; export HISTFILE
    '';
  };
}