language: minimal

# broken:
#   - PKG=electrs STABLE=0

install:
    # Retry installing nix due to nondeterministic error
    #   Fatal error: glibc detected an invalid stdio handle
    # see:
    #   https://github.com/nh2/static-haskell-nix/pull/27#issuecomment-502652181
    #   https://github.com/nixos/nix/issues/2733
  - (for i in {1..5}; do bash <(curl https://nixos.org/nix/install) && exit 0; done; exit 1)
  - . /home/travis/.nix-profile/etc/profile.d/nix.sh
  - nix-env -iA cachix -f https://cachix.org/api/v1/install
  - cachix use nix-bitcoin
  - if [[ $STABLE == 1 ]]; then export NIX_PATH="nixpkgs=$(nix eval --raw -f pkgs/nixpkgs-pinned.nix nixpkgs)"; fi
  - if [[ $STABLE == 0 ]]; then export NIX_PATH="nixpkgs=$(nix eval --raw -f pkgs/nixpkgs-pinned.nix nixpkgs-unstable)"; fi
  - VER="$(nix eval nixpkgs.lib.version)"
env:
  matrix:
  - PKG=nodeinfo STABLE=1
  - PKG=hwi STABLE=1
  - PKG=lightning-charge STABLE=1
  - PKG=lightning-charge STABLE=0
  - PKG=nanopos STABLE=1
  - PKG=nanopos STABLE=0
  - PKG=spark-wallet STABLE=1
  - PKG=elementsd STABLE=1
  - PKG=elementsd STABLE=0
  - PKG=electrs STABLE=1
  - PKG=liquid-swap STABLE=1
script:
  - printf '%s (%s)\n' "$NIX_PATH" "$VER"
  - nix-build -A $PKG