let
moz_overlay = import (builtins.fetchTarball https://github.com/mozilla/nixpkgs-mozilla/archive/master.tar.gz);
nixpkgs = import <nixpkgs> { overlays = [ moz_overlay ]; };
in
with nixpkgs; stdenv.mkDerivation {
name = "moz_overlay_shell";
buildInputs = [
nixpkgs.latest.rustChannels.stable.rust
rustfmt
];
shellHook = ''
alias help="
echo 'cargo new _'
echo 'cargo build'
echo 'cargo check'
echo 'cargo run'
echo 'cargo build --release'
";
'';
}