.travis.yml

language: nix
nix: 2.3.1

before_install:
  # Add my Nix cache (https://jmackie.cachix.org)
- sudo mkdir -p /etc/nix
- echo "binary-caches = https://cache.nixos.org https://jmackie.cachix.org" | sudo tee -a /etc/nix/nix.conf
- echo "binary-cache-public-keys = cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= jmackie.cachix.org-1:A3aexXezmMsIDaz+X3XTvPdMIpQB3Xv/mKSGGyGQNvk=" | sudo tee -a /etc/nix/nix.conf

script:
  # NOTE: $CACHIX_* variables are only defined on master
  # so we don't push branch builds to the cache.
  #
  # For cachix install instructions see https://github.com/cachix/cachix#installation
  - |
    if [ -n "$CACHIX_SIGNING_KEY" ] && [ -n "$CACHIX_AUTH_TOKEN" ]; then
      nix-env -iA cachix -f https://cachix.org/api/v1/install
      cachix authtoken "$CACHIX_AUTH_TOKEN"
      cachix use jmackie
      cachix push --watch-store jmackie &
    fi

  - nix-build
  - sleep 10 # allow cachix to finish uploading

# See https://github.com/entropia/tip-toi-reveng/blob/master/.travis.yml