{ nixpkgs, stableNixpkgs }:
{
  # Inherit the packages from nixos-unstable that should be available inside
  # of the repo. They become available under `pkgs.third_party.<name>`
  inherit (nixpkgs)
    age
    autoconf
    autoreconfHook
    avrdude
    avrlibc
    bashInteractive
    bat
    buildBazelPackage
    buildFHSUserEnv
    buildGoModule
    buildGoPackage
    buildPackages
    buildRustCrate
    buildkite-agent
    busybox
    bzip2
    c-ares
    cacert
    cachix
    cairo
    cargo
    cgit
    clang_11
    cmake
    coreutils
    cudatoolkit
    darwin
    dfu-programmer
    dfu-util
    diffutils
    docker-compose
    dockerTools
    emacs26
    emacs26-nox
    emacsPackages
    emacsPackagesGen
    execline
    fd
    fetchFromGitHub
    fetchgit
    fetchurl
    fetchzip
    fira
    fira-code
    fira-mono
    flamegraph
    fontconfig
    freetype
    gettext
    glibc
    gmock
    gnutar
    google-cloud-sdk
    graphviz
    gzip
    haskell
    iana-etc
    imagemagickBig
    installShellFiles
    jdk
    jdk11
    jdk11_headless
    jetbrains-mono
    jq
    kontemplate
    lib
    libredirect
    linuxPackages
    luajit
    lutris
    makeFontsConf
    makeWrapper
    mdbook
    meson
    mime-types
    mkShell
    moreutils
    nano
    nginx
    ninja
    nix
    openssh
    openssl
    overrideCC
    pandoc
    parallel
    pkgconfig
    pkgsCross
    postgresql
    pounce
    pulseaudio
    python3
    python3Packages
    quassel
    remarshal
    rink
    ripgrep
    rsync
    runCommand
    runCommandLocal
    runCommandNoCC
    rustPlatform
    rustc
    s6-portable-utils
    sbcl
    shellcheck
    sqlite
    stdenvNoCC
    stern
    symlinkJoin
    systemd
    tdlib
    teensy-loader-cli
    terraform_0_12
    texlive
    thttpd
    tree
    tree-sitter
    unzip
    which
    writers
    writeShellScript
    writeShellScriptBin
    writeText
    xorg
    xz
    zlib
    zstd;

  # Inherit packages from the stable channel for things that are
  # broken on unstable
  inherit (stableNixpkgs)
    awscli # TODO(grfn): Move back to unstable once it is fixed
    ;

  # Required by //third_party/nix
  inherit (nixpkgs)
    aws-sdk-cpp
    bison
    boehmgc
    boost # urgh
    brotli
    busybox-sandbox-shell
    curl
    docbook5
    docbook_xsl_ns
    editline
    flex
    libseccomp
    libsodium
    libxml2
    libxslt
    mercurial
    perl
    perlPackages
    utillinuxMinimal;

  haskellPackages = (nixpkgs.haskellPackages.override {
    overrides = (import ./haskell_overlay { pkgs = nixpkgs; });
  });

  gradle_6 = (nixpkgs.gradleGen.override {
    java = nixpkgs.jdk11;
    jdk = nixpkgs.jdk11;
  }).gradleGen rec {
    name = "gradle-6.5.1";
    nativeVersion = "0.22-milestone-3";

    src = builtins.fetchurl {
      url = "https://services.gradle.org/distributions/${name}-bin.zip";
      sha256 = "0jmmipjh4fbsn92zpifa5cqg5ws2a4ha0s4jzqhrg4zs542x79sh";
    };
  };
}