Internet Computer development environment with dfx and mops

default.nix

with import <nixpkgs> {}; with builtins; let
  dfx-env = import (fetchTarball https://github.com/ninegua/ic-nix/releases/latest/download/dfx-env.tar.gz) {};
  mops-nix = https://raw.githubusercontent.com/nomeata/ic-certification/3f51849073d19d2ab46aaff3c4985bf8c60196a1;
  nodeEnv = import (fetchurl "${mops-nix}/mops.nix/node-env.nix") {
    nodejs = nodejs-14_x;
    inherit (pkgs) stdenv lib python2 runCommand writeTextFile writeShellScript;
    inherit pkgs;
    libtool = if pkgs.stdenv.isDarwin then pkgs.darwin.cctools else null;
  };
  mops = (import (fetchurl "${mops-nix}/mops.nix/node-packages.nix") {
    inherit (pkgs) fetchurl nix-gitignore stdenv lib fetchgit;
    inherit nodeEnv;
  }).ic-mops;
in dfx-env.overrideAttrs (old: {
  nativeBuildInputs = old.nativeBuildInputs ++ [
    mops wasmtime gnumake
    coreutils cacert gnupg openssh
    less which tree ripgrep gitMinimal
  ];
})

Just a mix of https://github.com/ninegua/ic-nix and https://github.com/nomeata/ic-certification/blob/main/mops.nix/default.nix for convenient:

nix-shell --pure https://codeload.github.com/gist/c247945f8ef2db0aefc7b393596b4de3/zip/9924660b704f0b42bc6eb192fb1f41b464dd44e8

For direnv integration with the code editor of your choice:

nix profile install nixpkgs#direnv
nix profile install nixpkgs#nix-direnv
echo 'source $HOME/.nix-profile/share/nix-direnv/direnvrc' > ~/.config/direnv/direnvrc
cat >> ~/.config/nix/nix.conf <<EOF
keep-derivations = true
keep-outputs = true
EOF
echo 'use nix --pure --keep DIRENV_DUMP_FILE_PATH https://codeload.github.com/gist/c247945f8ef2db0aefc7b393596b4de3/zip/2b7a7c36d0321373afa93b7ce21b4687e4754791
' > ./.envrc
direnv allow