shell.nix

let
  hostPkgs = import <nixpkgs> {};
  # Look here for information about how to generate `nixpkgs-version.json`.
  #  → https://nixos.wiki/wiki/FAQ/Pinning_Nixpkgs
  pinnedVersion = hostPkgs.lib.importJSON ./.nixpkgs-version.json;
  pinnedPkgs = import (hostPkgs.fetchFromGitHub {
    owner = "NixOS";
    repo = "nixpkgs";
    inherit (pinnedVersion) rev sha256;
  }) {};

  texlive.moderncv = pinnedPkgs.callPackage ./moderncv {};
in

# This allows overriding nixpkgs by passing `--arg nixpkgs ...`
{ nixpkgs ? pinnedPkgs }:

with nixpkgs;

mkShell {
  buildInputs = [
    git
    gnumake
    tetex

    (texlive.combine {
      inherit (texlive) scheme-medium moderncv;
    })
  ];
}