gcc.md

❯ gcc -v
Using built-in specs.
COLLECT_GCC=/nix/store/yvzq185jfr4vj74a9h4ap4dj4nnqbx7l-gcc-8.3.0/bin/gcc
COLLECT_LTO_WRAPPER=/nix/store/yvzq185jfr4vj74a9h4ap4dj4nnqbx7l-gcc-8.3.0/libexec/gcc/x86_64-unknown-linux-gnu/8.3.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: 
Thread model: posix
gcc version 8.3.0 (GCC) 

shell.nix

let
  pkgs = import ./nix/nixpkgs.nix;

  inherit (pkgs)
    stdenv
    ;

  rust = (
    pkgs.rustChannelOf {
      date = "2019-11-01";
      channel = "nightly";
    }
  ).rust.override {
    extensions = [
      "clippy-preview"
      "rls-preview"
      "rustfmt-preview"
      "rust-analysis"
      "rust-std"
      "rust-src"
    ];
  };
in
stdenv.mkDerivation {
  name = "kitchenaid-rs";
  buildInputs = with pkgs; [
    diesel-cli
    openssl
    pkgconfig
    postgresql_11
    sqlite
    gcc9
    rust
  ];

  shellHook = ''
    export PATH=$PWD/target/debug:$PATH
    export PGDATA=$PWD/.tmp/database/
  '';
}